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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8574 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8023 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6777 April 12, 2016
by Ralphxyz
USBasp Help! 3 5686 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 7886 May 04, 2015
by mongo
Need to replace Wall Watt 16 5194 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4865 April 10, 2015
by Noter
My new 3D Printer 44 20426 April 07, 2015
by Rick_S
AtMega 644 2 4960 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4010 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4620 June 02, 2014
by JKITSON
Automated programming mode? 9 4924 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4520 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4494 January 28, 2014
by lailai
What kind of error is this? 4 4384 January 23, 2014
by Noter
How to double a DC voltage? 20 11699 January 12, 2014
by JKITSON
Is the code the driver? 2 4195 January 12, 2014
by Ralphxyz
Miniature headers 6 4484 January 01, 2014
by Ralphxyz
BLDC 8 4523 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5077 November 26, 2013
by Rick_S
GLCD SPI problems 14 8376 November 10, 2013
by andyi
Moving on... 7 4358 November 08, 2013
by Pr0ject
Power supply questions 4 5846 October 31, 2013
by sask55
OLED 4 4093 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 15977 September 22, 2013
by sask55
Opto Interrupter once again 14 8713 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4547 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11448 September 02, 2013
by Ralphxyz
USB cable specifications 7 5928 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 4975 August 27, 2013
by Affarram
XMEGA Breakout 8 5363 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4089 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4759 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4791 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 10957 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15590 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4071 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4691 April 08, 2013
by pcbolt
Using diode to drop voltage 12 65815 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3902 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4398 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8548 March 14, 2013
by mongo
Current vs Voltage 8 5478 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5111 March 09, 2013
by lnino
Electric current 2 3891 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6833 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9500 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 8914 February 28, 2013
by BobaMosfet
Control electronic door opener 15 4931 February 24, 2013
by lnino
Relay Question 27 8174 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7837 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5366 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5276 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5007 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4622 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5219 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4566 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5433 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 3965 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4052 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4540 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 9922 November 18, 2012
by carlhako
SPI slave clock 6 4735 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4149 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 30666 October 23, 2012
by Noter
NPN circuit connection quandry 4 4717 September 24, 2012
by edb
Simple I/O circuit 4 4368 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4159 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3816 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6552 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4380 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6738 September 13, 2012
by dan_engbers
Electronics simulation 8 5023 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7118 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4282 August 20, 2012
by rblalock
louder sound 2 4055 August 18, 2012
by mongo
connector or cable for LCD display? 4 4275 August 13, 2012
by missle3944
Powering L.E.Ds 5 4395 August 09, 2012
by BobaMosfet
Wires in U.K 5 4872 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4778 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7701 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7414 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5182 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22675 July 21, 2012
by lnino
um help 6 3866 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4896 July 18, 2012
by Ralphxyz
help me 11 4755 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4162 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5430 June 24, 2012
by Ralphxyz
HELP 3 3913 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14801 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4024 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5941 June 17, 2012
by RogerFL
Programmable current source 6 5875 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5530 June 11, 2012
by mongo
HELP 6 4233 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4603 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 50267 May 24, 2012
by Ralphxyz
i need a code 8 4634 May 15, 2012
by pcbolt
Clock Accuracy 30 9278 May 14, 2012
by HexManiac
Relays and Controlling them 9 4598 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4873 May 09, 2012
by RogerFL
Powering your NerdKit 7 4450 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4480 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7669 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4902 April 24, 2012
by pcbolt
Programs will not run 6 4368 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 4989 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4672 April 09, 2012
by Ralphxyz
Path Lights controller 2 4231 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4354 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4860 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4456 April 01, 2012
by JamesFysh
Question on LCD screen 5 4463 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4406 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5687 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5325 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9025 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4538 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5683 March 15, 2012
by mongo
Digital servo issues! 9 5040 March 15, 2012
by Rick_S
Brushless motor control 16 5394 March 12, 2012
by hevans
Windows not detecting device 3 4192 March 10, 2012
by hevans
Voltage throught MCU 5 4209 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 19962 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11723 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 20831 March 01, 2012
by hevans
Up and running... 3 3995 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4660 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5014 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4234 February 24, 2012
by Rick_S
programming lcd trubs 7 4293 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5021 February 18, 2012
by Rick_S
Oscilloscope 15 6289 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10724 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5451 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4632 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11158 February 09, 2012
by mongo
Data transmission 3 5204 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 4999 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6561 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4490 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4057 January 31, 2012
by tchilzer2
H bridge questions 6 4830 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4561 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 4954 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5173 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8296 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4840 January 15, 2012
by Rick_S
Source of power? 19 4962 January 13, 2012
by mongo
symbol defined please? 4 4690 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 17841 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4577 January 06, 2012
by boxvic
Basic LED circuit properties 8 4799 January 06, 2012
by boxvic
Getting Started 3 4284 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5464 January 02, 2012
by bodangly
SMD reflow 16 5560 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4533 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5212 December 23, 2011
by BobaMosfet
Potentiometer 8 6094 December 23, 2011
by huzbum
Fun with Op-Amps 3 6372 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5442 December 19, 2011
by n1cl3
Odessy of the minds 5 4732 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4099 November 27, 2011
by sazD
Initial Load 2 4768 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5451 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6142 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4819 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 9912 November 10, 2011
by jfbrink
Servo Squitter Project 13 4556 November 09, 2011
by Heed
how do i run a program 4 4147 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4394 November 07, 2011
by Heed
Motor control question 2 4196 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9764 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4435 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4329 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 96026 October 24, 2011
by glendon
Measuring Capacitance 9 5852 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4484 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6214 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 22650 October 16, 2011
by sask55
RxD / TxD Questions 10 7612 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4564 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4458 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4733 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4260 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13441 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5912 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24306 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 12929 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4194 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7735 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13659 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8848 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5289 September 01, 2011
by BobaMosfet
Dim LED 3 4131 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4658 August 23, 2011
by Twarter369
Easy Transistor Question 4 5279 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7002 August 18, 2011
by Ralphxyz
Building a coil?? 12 7038 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4569 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4215 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4041 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 3993 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 23996 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5314 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4731 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4439 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4473 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7246 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4127 July 17, 2011
by codenamejupiterx
avr macpack 3 4509 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4470 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4557 July 13, 2011
by BobaMosfet
Battery clip wires 3 4078 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3939 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4235 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4473 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4863 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25140 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4446 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4671 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6753 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4707 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4732 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4648 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5185 June 06, 2011
by mja
A couple of questions 3 4355 June 06, 2011
by Ralphxyz
How much should I strip? 3 4423 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4906 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4287 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4625 May 29, 2011
by Rick_S
Digital Input Question 4 4370 May 28, 2011
by frankdwest
PCB arrived 20 4362 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5010 May 24, 2011
by gcharris
Calculating bypass capacitor 6 23892 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 4955 May 09, 2011
by Noter
IR current 6 4669 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5371 May 04, 2011
by hariharan
Heat sensors 21 5737 May 04, 2011
by Hexorg
error 1 2 4203 May 02, 2011
by hevans
Transistor vs mosfet 13 12442 May 01, 2011
by Noter
PCB trace width calculator 3 5820 April 24, 2011
by esoderberg
OLED display 10 5500 April 23, 2011
by Rick_S
Power Supplies 17 6072 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4190 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4904 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4327 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5358 April 19, 2011
by mongo
Connecting to external control voltages 4 4317 April 19, 2011
by bretm
IR current question 7 4426 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5215 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5387 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4682 April 10, 2011
by uml_12
Basic projects 3 4343 April 09, 2011
by mongo
REFLOW oven 22 7287 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14511 April 07, 2011
by bretm
unexpected MCU rebooting 82 9290 April 05, 2011
by sask55
REFLOW Soldering 3 5265 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4654 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 6978 March 30, 2011
by bretm
Black Display on LCD 6 4631 March 28, 2011
by Druidman
32kHz clock 2 4273 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11405 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 11843 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6457 March 16, 2011
by mongo
LCD problem 3 4678 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5256 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5377 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4383 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8014 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5299 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5255 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12302 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 8945 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5918 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9385 February 19, 2011
by Lusitania
My first Impression 6 4761 February 16, 2011
by devinsbusiness
Understanding battery life 3 6043 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5667 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5290 February 05, 2011
by BobaMosfet
High voltage lines 26 7455 February 02, 2011
by mongo
USB 3 4344 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5373 February 02, 2011
by Jalex
Alternating LED circuit 4 5281 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6603 January 31, 2011
by il1019
Affordable oscilloscopes 43 14608 January 27, 2011
by BStory
"And"gate unfinished thought 2 4463 January 27, 2011
by Hexorg
replace MCU? 30 9476 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5026 January 25, 2011
by Ralphxyz
Multimeter! 12 7314 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 5965 January 25, 2011
by Jalex
My LED Cube so far 25 10743 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5785 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5208 January 18, 2011
by dgikuljot
Counting 5 4407 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9051 January 17, 2011
by bretm
Programming 5 5264 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5489 January 11, 2011
by Yourself
Begining 7 5561 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 5943 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5291 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4593 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5133 January 06, 2011
by Mujda
Data input voltage 6 5124 January 03, 2011
by Rick_S
MOSFET Question 7 5278 December 31, 2010
by Keyster
Transistor as a switch 5 5307 December 29, 2010
by Hexorg
Resistors 5 5656 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10531 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5516 December 28, 2010
by BobaMosfet
Relay ratings 2 4855 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20134 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4697 December 17, 2010
by mongo
Power Rectifier 7 5795 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7250 December 14, 2010
by danuke
This a decent oscilloscope? 8 5083 December 14, 2010
by danuke
Do resistors in series really add up? 8 6472 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5899 December 09, 2010
by bretm
L293 H-Bridge 15 6571 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6771 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 6948 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5876 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6376 November 24, 2010
by BobaMosfet
Op-amp not working 6 6677 November 24, 2010
by BobaMosfet
Python questions 4 5653 November 21, 2010
by tkopriva
CE Amp design 5 5154 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5093 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4928 November 05, 2010
by Mujda
PC4 not working?! 8 4784 November 04, 2010
by hapshetsut
Amplifiers 4 4767 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5617 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5709 October 04, 2010
by Scythium
radio interference from NerdKit 11 4805 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9444 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5320 September 11, 2010
by akajester
QFP and dreadboard 2 5219 September 02, 2010
by bretm
Getting power to the spinning part... 5 5093 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 12969 August 30, 2010
by Ralphxyz
morse code decoder 2 5207 August 26, 2010
by jonathan_m
Connecting to Computer 3 5170 August 25, 2010
by awesome
555 astable on breadboard 12 6685 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4779 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5305 August 19, 2010
by hevans
mosfet 3 4570 August 13, 2010
by hevans
Good material on learning electronics. 8 5560 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4443 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7078 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6379 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9665 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6847 July 02, 2010
by mongo
Electro Cardio Gram 4 5691 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4507 June 12, 2010
by Wobbler
Voltage Regulator 20 6209 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5757 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6411 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6081 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5273 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4511 June 06, 2010
by Kafke
TSSOP IC! 4 5281 June 03, 2010
by mrobbins
AVcc 2 5525 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4725 May 31, 2010
by hevans
Cable Driver 2 4401 May 31, 2010
by mongo
Best 9V adapter to use 2 4842 May 28, 2010
by mongo
Unidirectional microphones 5 5075 May 27, 2010
by mongo
Servo question 3 4558 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5256 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5094 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6757 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11593 May 21, 2010
by hevans
Chinese Solenoid 15 5040 May 10, 2010
by treymd
avrisp mkii circuit 4 6296 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4625 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 9893 May 07, 2010
by rajabalu21
Simple Power Switch 6 4721 May 05, 2010
by avicell
I can haz speed! 3 5063 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6557 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5405 April 21, 2010
by bretm
Help with choosing the right resistor 10 6503 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11071 April 15, 2010
by bretm
Resistor 4 4424 April 15, 2010
by mongo
MCU digital input pins 3 4612 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4917 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10784 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6863 March 28, 2010
by carlhako
Laptop ground safety question 3 4942 March 27, 2010
by ese
LM34 R-C Damper 5 6523 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5237 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4501 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6552 March 23, 2010
by ese
constant system reset 3 4430 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5201 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6249 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5544 March 17, 2010
by Frozenlock
What is -VS? 6 8583 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6362 March 04, 2010
by treymd
Using MCU to connect two wires 3 5434 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10022 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4859 March 02, 2010
by Solorbob
Deciphering power resistors 11 5227 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4629 March 01, 2010
by nrotstan
Understanding LEDs 16 7769 March 01, 2010
by michaeldallas
What's the part I need? 5 4743 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11749 February 23, 2010
by rajabalu21
Too much power? 14 5473 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6147 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6072 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13475 February 18, 2010
by Rick_S
Serial port interface circuit 2 5637 February 17, 2010
by mongo
OBDII project 3 4711 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8232 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7421 February 13, 2010
by BobaMosfet
Digital pots 5 4946 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5245 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6084 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7478 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7649 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5519 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7218 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11016 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5840 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5096 December 27, 2009
by jgauthier
Servo Signal Noise 2 4663 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 7986 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11434 December 10, 2009
by georgio
Relays and transistors 12 9450 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9494 December 09, 2009
by Rick_S
IR Detector 7 8954 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5691 November 19, 2009
by mikedoug
Debug with lcd 6 5648 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5140 November 15, 2009
by tech20
Understanding output pin characteristics 4 5012 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 6945 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5284 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 48721 October 30, 2009
by BobaMosfet
DIY header unit 2 5503 October 10, 2009
by rusirius
Thermostat Logging 6 7119 October 09, 2009
by luke
Understanding transistors 6 6829 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10781 October 07, 2009
by mikedoug
Currant booster 3 4645 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5634 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13603 August 27, 2009
by hevans
Which LED? 14 5377 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6407 August 07, 2009
by mongo
pull up, pull down resistors 7 17810 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11718 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7653 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7048 July 07, 2009
by sector0
Reset switch for circuit 3 5310 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31935 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6420 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5195 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5325 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5829 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5157 May 06, 2009
by paulip

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