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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 9144 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8465 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 7177 April 12, 2016
by Ralphxyz
USBasp Help! 3 6089 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8375 May 04, 2015
by mongo
Need to replace Wall Watt 16 5577 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5208 April 10, 2015
by Noter
My new 3D Printer 44 20787 April 07, 2015
by Rick_S
AtMega 644 2 5217 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4266 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4961 June 02, 2014
by JKITSON
Automated programming mode? 9 5251 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4811 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4851 January 28, 2014
by lailai
What kind of error is this? 4 4611 January 23, 2014
by Noter
How to double a DC voltage? 20 12102 January 12, 2014
by JKITSON
Is the code the driver? 2 4527 January 12, 2014
by Ralphxyz
Miniature headers 6 4737 January 01, 2014
by Ralphxyz
BLDC 8 4845 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5445 November 26, 2013
by Rick_S
GLCD SPI problems 14 8752 November 10, 2013
by andyi
Moving on... 7 4651 November 08, 2013
by Pr0ject
Power supply questions 4 6221 October 31, 2013
by sask55
OLED 4 4400 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16556 September 22, 2013
by sask55
Opto Interrupter once again 14 9157 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4815 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11919 September 02, 2013
by Ralphxyz
USB cable specifications 7 6478 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5353 August 27, 2013
by Affarram
XMEGA Breakout 8 5715 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4366 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 5053 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 5077 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11919 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16594 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4387 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4982 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66650 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4164 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4736 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8955 March 14, 2013
by mongo
Current vs Voltage 8 5813 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5399 March 09, 2013
by lnino
Electric current 2 4143 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 7092 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 10038 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9742 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5237 February 24, 2013
by lnino
Relay Question 27 8525 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8209 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5688 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5515 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5317 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4877 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5609 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4915 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5725 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4247 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4298 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4818 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10460 November 18, 2012
by carlhako
SPI slave clock 6 5031 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4408 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31821 October 23, 2012
by Noter
NPN circuit connection quandry 4 4982 September 24, 2012
by edb
Simple I/O circuit 4 4638 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4402 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4148 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 7005 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4633 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 7027 September 13, 2012
by dan_engbers
Electronics simulation 8 5270 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7462 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4535 August 20, 2012
by rblalock
louder sound 2 4317 August 18, 2012
by mongo
connector or cable for LCD display? 4 4528 August 13, 2012
by missle3944
Powering L.E.Ds 5 4665 August 09, 2012
by BobaMosfet
Wires in U.K 5 5134 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 5054 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 8237 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7722 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5551 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 23091 July 21, 2012
by lnino
um help 6 4114 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5165 July 18, 2012
by Ralphxyz
help me 11 5032 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4435 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5758 June 24, 2012
by Ralphxyz
HELP 3 4155 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15211 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4280 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6200 June 17, 2012
by RogerFL
Programmable current source 6 6305 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5792 June 11, 2012
by mongo
HELP 6 4494 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4920 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52831 May 24, 2012
by Ralphxyz
i need a code 8 4902 May 15, 2012
by pcbolt
Clock Accuracy 30 9598 May 14, 2012
by HexManiac
Relays and Controlling them 9 4880 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 5141 May 09, 2012
by RogerFL
Powering your NerdKit 7 4722 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4751 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 8046 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5136 April 24, 2012
by pcbolt
Programs will not run 6 4630 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5306 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4936 April 09, 2012
by Ralphxyz
Path Lights controller 2 4496 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4626 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5171 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4714 April 01, 2012
by JamesFysh
Question on LCD screen 5 4743 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4707 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 6035 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5658 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9363 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4801 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 6198 March 15, 2012
by mongo
Digital servo issues! 9 5353 March 15, 2012
by Rick_S
Brushless motor control 16 5684 March 12, 2012
by hevans
Windows not detecting device 3 4476 March 10, 2012
by hevans
Voltage throught MCU 5 4485 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20425 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 12280 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21807 March 01, 2012
by hevans
Up and running... 3 4276 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4951 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5289 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4505 February 24, 2012
by Rick_S
programming lcd trubs 7 4642 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5302 February 18, 2012
by Rick_S
Oscilloscope 15 6610 February 18, 2012
by Osarus
How far away can a LM34 be? 16 11145 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5749 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4917 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 12331 February 09, 2012
by mongo
Data transmission 3 5455 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5265 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6855 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4794 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4293 January 31, 2012
by tchilzer2
H bridge questions 6 5095 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4845 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5281 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5485 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8609 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 5148 January 15, 2012
by Rick_S
Source of power? 19 5310 January 13, 2012
by mongo
symbol defined please? 4 4933 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18375 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4849 January 06, 2012
by boxvic
Basic LED circuit properties 8 5071 January 06, 2012
by boxvic
Getting Started 3 4547 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5738 January 02, 2012
by bodangly
SMD reflow 16 5858 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4788 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5463 December 23, 2011
by BobaMosfet
Potentiometer 8 6477 December 23, 2011
by huzbum
Fun with Op-Amps 3 6689 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5760 December 19, 2011
by n1cl3
Odessy of the minds 5 4979 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4371 November 27, 2011
by sazD
Initial Load 2 5002 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5753 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6433 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 5078 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10270 November 10, 2011
by jfbrink
Servo Squitter Project 13 4845 November 09, 2011
by Heed
how do i run a program 4 4388 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4632 November 07, 2011
by Heed
Motor control question 2 4434 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10190 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4705 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4609 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 98267 October 24, 2011
by glendon
Measuring Capacitance 9 6133 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4727 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6485 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23573 October 16, 2011
by sask55
RxD / TxD Questions 10 8113 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4831 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4721 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 5006 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4498 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 14554 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6208 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24782 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13509 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4429 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 8043 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14233 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 9189 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5599 September 01, 2011
by BobaMosfet
Dim LED 3 4415 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4921 August 23, 2011
by Twarter369
Easy Transistor Question 4 5585 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7547 August 18, 2011
by Ralphxyz
Building a coil?? 12 7361 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4820 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4475 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4296 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4253 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24413 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5557 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4968 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4687 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4725 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7551 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4398 July 17, 2011
by codenamejupiterx
avr macpack 3 4757 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4765 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4872 July 13, 2011
by BobaMosfet
Battery clip wires 3 4293 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4194 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4483 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4740 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5195 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25591 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4702 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4928 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 7081 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 5019 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 5014 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4885 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5561 June 06, 2011
by mja
A couple of questions 3 4631 June 06, 2011
by Ralphxyz
How much should I strip? 3 4670 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5162 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4575 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4879 May 29, 2011
by Rick_S
Digital Input Question 4 4646 May 28, 2011
by frankdwest
PCB arrived 20 4631 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5271 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24401 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5209 May 09, 2011
by Noter
IR current 6 4922 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5693 May 04, 2011
by hariharan
Heat sensors 21 6037 May 04, 2011
by Hexorg
error 1 2 4510 May 02, 2011
by hevans
Transistor vs mosfet 13 12857 May 01, 2011
by Noter
PCB trace width calculator 3 6068 April 24, 2011
by esoderberg
OLED display 10 5790 April 23, 2011
by Rick_S
Power Supplies 17 6346 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4429 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5145 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4616 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5629 April 19, 2011
by mongo
Connecting to external control voltages 4 4570 April 19, 2011
by bretm
IR current question 7 4686 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5490 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5680 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4925 April 10, 2011
by uml_12
Basic projects 3 4594 April 09, 2011
by mongo
REFLOW oven 22 7578 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 15042 April 07, 2011
by bretm
unexpected MCU rebooting 82 9722 April 05, 2011
by sask55
REFLOW Soldering 3 5588 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4911 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7296 March 30, 2011
by bretm
Black Display on LCD 6 4863 March 28, 2011
by Druidman
32kHz clock 2 4530 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11899 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12477 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6747 March 16, 2011
by mongo
LCD problem 3 4919 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5558 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5617 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4618 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8399 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5600 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5508 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12570 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9354 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6203 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9704 February 19, 2011
by Lusitania
My first Impression 6 5049 February 16, 2011
by devinsbusiness
Understanding battery life 3 6390 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5932 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5591 February 05, 2011
by BobaMosfet
High voltage lines 26 7802 February 02, 2011
by mongo
USB 3 4576 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5660 February 02, 2011
by Jalex
Alternating LED circuit 4 5541 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6880 January 31, 2011
by il1019
Affordable oscilloscopes 43 15355 January 27, 2011
by BStory
"And"gate unfinished thought 2 4737 January 27, 2011
by Hexorg
replace MCU? 30 9892 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5325 January 25, 2011
by Ralphxyz
Multimeter! 12 7597 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6235 January 25, 2011
by Jalex
My LED Cube so far 25 11026 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 6025 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5468 January 18, 2011
by dgikuljot
Counting 5 4703 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9344 January 17, 2011
by bretm
Programming 5 5566 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5766 January 11, 2011
by Yourself
Begining 7 5853 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6215 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5538 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4871 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5413 January 06, 2011
by Mujda
Data input voltage 6 5399 January 03, 2011
by Rick_S
MOSFET Question 7 5600 December 31, 2010
by Keyster
Transistor as a switch 5 5601 December 29, 2010
by Hexorg
Resistors 5 5967 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10923 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5807 December 28, 2010
by BobaMosfet
Relay ratings 2 5107 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20509 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4956 December 17, 2010
by mongo
Power Rectifier 7 7262 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7604 December 14, 2010
by danuke
This a decent oscilloscope? 8 5360 December 14, 2010
by danuke
Do resistors in series really add up? 8 6800 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6182 December 09, 2010
by bretm
L293 H-Bridge 15 6874 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 7102 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7290 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6167 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6697 November 24, 2010
by BobaMosfet
Op-amp not working 6 6957 November 24, 2010
by BobaMosfet
Python questions 4 5912 November 21, 2010
by tkopriva
CE Amp design 5 5469 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5360 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5224 November 05, 2010
by Mujda
PC4 not working?! 8 5069 November 04, 2010
by hapshetsut
Amplifiers 4 5020 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5894 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 6001 October 04, 2010
by Scythium
radio interference from NerdKit 11 5109 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9727 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5591 September 11, 2010
by akajester
QFP and dreadboard 2 5497 September 02, 2010
by bretm
Getting power to the spinning part... 5 5326 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13315 August 30, 2010
by Ralphxyz
morse code decoder 2 5432 August 26, 2010
by jonathan_m
Connecting to Computer 3 5421 August 25, 2010
by awesome
555 astable on breadboard 12 6937 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 5050 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5539 August 19, 2010
by hevans
mosfet 3 4811 August 13, 2010
by hevans
Good material on learning electronics. 8 5821 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4702 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7480 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6663 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 10124 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 7113 July 02, 2010
by mongo
Electro Cardio Gram 4 6027 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4743 June 12, 2010
by Wobbler
Voltage Regulator 20 6501 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 6032 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6704 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6334 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5548 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4767 June 06, 2010
by Kafke
TSSOP IC! 4 5544 June 03, 2010
by mrobbins
AVcc 2 5770 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4984 May 31, 2010
by hevans
Cable Driver 2 4658 May 31, 2010
by mongo
Best 9V adapter to use 2 5090 May 28, 2010
by mongo
Unidirectional microphones 5 5324 May 27, 2010
by mongo
Servo question 3 4832 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5513 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5365 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 7026 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 12061 May 21, 2010
by hevans
Chinese Solenoid 15 5360 May 10, 2010
by treymd
avrisp mkii circuit 4 6531 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4889 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10295 May 07, 2010
by rajabalu21
Simple Power Switch 6 4974 May 05, 2010
by avicell
I can haz speed! 3 5324 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6864 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5682 April 21, 2010
by bretm
Help with choosing the right resistor 10 6773 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11607 April 15, 2010
by bretm
Resistor 4 4686 April 15, 2010
by mongo
MCU digital input pins 3 4898 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5182 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 11084 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 7117 March 28, 2010
by carlhako
Laptop ground safety question 3 5186 March 27, 2010
by ese
LM34 R-C Damper 5 6805 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5491 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4785 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6827 March 23, 2010
by ese
constant system reset 3 4699 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5475 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6565 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5783 March 17, 2010
by Frozenlock
What is -VS? 6 8887 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6597 March 04, 2010
by treymd
Using MCU to connect two wires 3 5684 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10556 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 5120 March 02, 2010
by Solorbob
Deciphering power resistors 11 5525 March 01, 2010
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Quick mosfet question -- grounding other battery? 3 4881 March 01, 2010
by nrotstan
Understanding LEDs 16 8143 March 01, 2010
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What's the part I need? 5 4996 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 12065 February 23, 2010
by rajabalu21
Too much power? 14 5754 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6411 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6373 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13968 February 18, 2010
by Rick_S
Serial port interface circuit 2 5899 February 17, 2010
by mongo
OBDII project 3 4967 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8593 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7744 February 13, 2010
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Digital pots 5 5207 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5528 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6394 January 23, 2010
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How to stop a flip flop counter from... hum.... counting? 4 7809 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7969 January 15, 2010
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Resistors and Ohms Law / Kirchoff's Laws 2 5744 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7593 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11486 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 6159 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5356 December 27, 2009
by jgauthier
Servo Signal Noise 2 4911 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8295 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11779 December 10, 2009
by georgio
Relays and transistors 12 9739 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9803 December 09, 2009
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IR Detector 7 9368 November 23, 2009
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14.7465 to 20.0000 mhz 10 5958 November 19, 2009
by mikedoug
Debug with lcd 6 5918 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5368 November 15, 2009
by tech20
Understanding output pin characteristics 4 5297 November 13, 2009
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Schematics for LED Heart Project? 12 7311 November 12, 2009
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Current draw observations - driving LEDs with PINs 6 5576 November 07, 2009
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How do you wire a transistor (2N7000 or 2N3904) 7 49562 October 30, 2009
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DIY header unit 2 5756 October 10, 2009
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Thermostat Logging 6 7420 October 09, 2009
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Understanding transistors 6 7079 October 08, 2009
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Power from USB: current limiter with an op-amp 8 11069 October 07, 2009
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Currant booster 3 4918 October 07, 2009
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Witch two wires 5 5876 September 11, 2009
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Difference between ATmega8 and ATmega168? 4 13951 August 27, 2009
by hevans
Which LED? 14 5669 August 10, 2009
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Evil battery polarity +/- understanding the basics 7 6705 August 07, 2009
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pull up, pull down resistors 7 18119 August 05, 2009
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Why do we need a resistor going from the contrast pin to the ground? 8 12166 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7959 August 05, 2009
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Power MOSFET - Understanding and headaches 4 7354 July 07, 2009
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Reset switch for circuit 3 5557 June 27, 2009
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Online circuit simulator/intuition builder 2 32219 June 16, 2009
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I don't understand the cap on the MC power supply 12 6703 June 12, 2009
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what resistors to use when connecting a new IC 5 5445 June 01, 2009
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wallwart safety? 4 5613 May 31, 2009
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Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 6071 May 31, 2009
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Dimming LCD Problem 6 5426 May 06, 2009
by paulip

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Did you know that LEDs (light emitting diodes) only conduct current in one direction, like normal diodes? Learn more...