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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8997 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8354 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 7067 April 12, 2016
by Ralphxyz
USBasp Help! 3 5973 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8255 May 04, 2015
by mongo
Need to replace Wall Watt 16 5482 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5116 April 10, 2015
by Noter
My new 3D Printer 44 20697 April 07, 2015
by Rick_S
AtMega 644 2 5141 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4190 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4877 June 02, 2014
by JKITSON
Automated programming mode? 9 5166 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4738 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4765 January 28, 2014
by lailai
What kind of error is this? 4 4553 January 23, 2014
by Noter
How to double a DC voltage? 20 11995 January 12, 2014
by JKITSON
Is the code the driver? 2 4453 January 12, 2014
by Ralphxyz
Miniature headers 6 4667 January 01, 2014
by Ralphxyz
BLDC 8 4764 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5358 November 26, 2013
by Rick_S
GLCD SPI problems 14 8625 November 10, 2013
by andyi
Moving on... 7 4554 November 08, 2013
by Pr0ject
Power supply questions 4 6135 October 31, 2013
by sask55
OLED 4 4328 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16406 September 22, 2013
by sask55
Opto Interrupter once again 14 9038 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4733 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11801 September 02, 2013
by Ralphxyz
USB cable specifications 7 6338 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5267 August 27, 2013
by Affarram
XMEGA Breakout 8 5637 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4284 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4962 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 5003 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11731 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16375 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4301 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4901 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66450 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4089 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4659 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8842 March 14, 2013
by mongo
Current vs Voltage 8 5726 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5310 March 09, 2013
by lnino
Electric current 2 4072 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 7015 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9936 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9547 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5157 February 24, 2013
by lnino
Relay Question 27 8426 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8117 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5606 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5450 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5241 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4809 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5523 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4823 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5640 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4157 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4223 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4719 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10327 November 18, 2012
by carlhako
SPI slave clock 6 4957 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4335 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31617 October 23, 2012
by Noter
NPN circuit connection quandry 4 4907 September 24, 2012
by edb
Simple I/O circuit 4 4563 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4328 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4080 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6906 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4555 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6953 September 13, 2012
by dan_engbers
Electronics simulation 8 5186 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7368 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4465 August 20, 2012
by rblalock
louder sound 2 4236 August 18, 2012
by mongo
connector or cable for LCD display? 4 4451 August 13, 2012
by missle3944
Powering L.E.Ds 5 4583 August 09, 2012
by BobaMosfet
Wires in U.K 5 5051 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4965 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 8115 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7637 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5442 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22979 July 21, 2012
by lnino
um help 6 4043 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5095 July 18, 2012
by Ralphxyz
help me 11 4964 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4366 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5678 June 24, 2012
by Ralphxyz
HELP 3 4088 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15101 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4203 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6131 June 17, 2012
by RogerFL
Programmable current source 6 6202 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5723 June 11, 2012
by mongo
HELP 6 4422 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4826 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52629 May 24, 2012
by Ralphxyz
i need a code 8 4824 May 15, 2012
by pcbolt
Clock Accuracy 30 9496 May 14, 2012
by HexManiac
Relays and Controlling them 9 4804 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 5070 May 09, 2012
by RogerFL
Powering your NerdKit 7 4644 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4677 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7940 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5061 April 24, 2012
by pcbolt
Programs will not run 6 4560 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5215 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4863 April 09, 2012
by Ralphxyz
Path Lights controller 2 4427 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4540 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5090 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4637 April 01, 2012
by JamesFysh
Question on LCD screen 5 4659 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4613 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5956 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5575 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9287 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4723 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 6053 March 15, 2012
by mongo
Digital servo issues! 9 5273 March 15, 2012
by Rick_S
Brushless motor control 16 5605 March 12, 2012
by hevans
Windows not detecting device 3 4396 March 10, 2012
by hevans
Voltage throught MCU 5 4407 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20312 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 12168 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21600 March 01, 2012
by hevans
Up and running... 3 4200 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4856 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5209 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4438 February 24, 2012
by Rick_S
programming lcd trubs 7 4549 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5224 February 18, 2012
by Rick_S
Oscilloscope 15 6512 February 18, 2012
by Osarus
How far away can a LM34 be? 16 11042 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5648 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4838 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 12151 February 09, 2012
by mongo
Data transmission 3 5385 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5194 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6776 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4699 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4223 January 31, 2012
by tchilzer2
H bridge questions 6 5022 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4771 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5189 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5397 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8527 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 5055 January 15, 2012
by Rick_S
Source of power? 19 5210 January 13, 2012
by mongo
symbol defined please? 4 4858 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18284 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4770 January 06, 2012
by boxvic
Basic LED circuit properties 8 4993 January 06, 2012
by boxvic
Getting Started 3 4464 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5657 January 02, 2012
by bodangly
SMD reflow 16 5775 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4717 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5381 December 23, 2011
by BobaMosfet
Potentiometer 8 6375 December 23, 2011
by huzbum
Fun with Op-Amps 3 6606 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5682 December 19, 2011
by n1cl3
Odessy of the minds 5 4907 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4292 November 27, 2011
by sazD
Initial Load 2 4934 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5679 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6356 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 5004 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10188 November 10, 2011
by jfbrink
Servo Squitter Project 13 4760 November 09, 2011
by Heed
how do i run a program 4 4309 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4562 November 07, 2011
by Heed
Motor control question 2 4357 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10107 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4631 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4520 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 97919 October 24, 2011
by glendon
Measuring Capacitance 9 6055 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4657 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6417 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23368 October 16, 2011
by sask55
RxD / TxD Questions 10 8006 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4749 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4638 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4929 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4426 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 14329 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6125 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24664 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13384 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4362 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7963 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14111 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 9093 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5510 September 01, 2011
by BobaMosfet
Dim LED 3 4331 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4840 August 23, 2011
by Twarter369
Easy Transistor Question 4 5496 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7457 August 18, 2011
by Ralphxyz
Building a coil?? 12 7269 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4745 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4400 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4225 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4167 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24334 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5491 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4901 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4608 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4647 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7468 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4312 July 17, 2011
by codenamejupiterx
avr macpack 3 4689 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4681 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4794 July 13, 2011
by BobaMosfet
Battery clip wires 3 4224 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4124 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4410 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4667 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5123 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25479 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4641 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4863 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6997 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4930 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4946 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4813 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5452 June 06, 2011
by mja
A couple of questions 3 4550 June 06, 2011
by Ralphxyz
How much should I strip? 3 4599 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5089 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4498 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4820 May 29, 2011
by Rick_S
Digital Input Question 4 4555 May 28, 2011
by frankdwest
PCB arrived 20 4546 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5193 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24254 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5142 May 09, 2011
by Noter
IR current 6 4844 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5579 May 04, 2011
by hariharan
Heat sensors 21 5950 May 04, 2011
by Hexorg
error 1 2 4434 May 02, 2011
by hevans
Transistor vs mosfet 13 12754 May 01, 2011
by Noter
PCB trace width calculator 3 5998 April 24, 2011
by esoderberg
OLED display 10 5720 April 23, 2011
by Rick_S
Power Supplies 17 6271 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4359 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5070 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4524 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5553 April 19, 2011
by mongo
Connecting to external control voltages 4 4488 April 19, 2011
by bretm
IR current question 7 4611 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5403 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5600 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4855 April 10, 2011
by uml_12
Basic projects 3 4533 April 09, 2011
by mongo
REFLOW oven 22 7501 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14923 April 07, 2011
by bretm
unexpected MCU rebooting 82 9599 April 05, 2011
by sask55
REFLOW Soldering 3 5507 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4831 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7185 March 30, 2011
by bretm
Black Display on LCD 6 4796 March 28, 2011
by Druidman
32kHz clock 2 4448 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11746 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12349 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6671 March 16, 2011
by mongo
LCD problem 3 4840 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5471 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5546 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4550 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8293 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5510 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5435 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12498 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9254 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6130 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9591 February 19, 2011
by Lusitania
My first Impression 6 4969 February 16, 2011
by devinsbusiness
Understanding battery life 3 6303 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5853 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5502 February 05, 2011
by BobaMosfet
High voltage lines 26 7707 February 02, 2011
by mongo
USB 3 4503 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5591 February 02, 2011
by Jalex
Alternating LED circuit 4 5461 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6806 January 31, 2011
by il1019
Affordable oscilloscopes 43 15224 January 27, 2011
by BStory
"And"gate unfinished thought 2 4663 January 27, 2011
by Hexorg
replace MCU? 30 9781 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5238 January 25, 2011
by Ralphxyz
Multimeter! 12 7521 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6166 January 25, 2011
by Jalex
My LED Cube so far 25 10947 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5951 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5388 January 18, 2011
by dgikuljot
Counting 5 4625 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9276 January 17, 2011
by bretm
Programming 5 5497 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5680 January 11, 2011
by Yourself
Begining 7 5765 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6147 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5467 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4788 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5336 January 06, 2011
by Mujda
Data input voltage 6 5328 January 03, 2011
by Rick_S
MOSFET Question 7 5497 December 31, 2010
by Keyster
Transistor as a switch 5 5522 December 29, 2010
by Hexorg
Resistors 5 5879 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10832 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5741 December 28, 2010
by BobaMosfet
Relay ratings 2 5039 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20398 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4875 December 17, 2010
by mongo
Power Rectifier 7 7181 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7513 December 14, 2010
by danuke
This a decent oscilloscope? 8 5286 December 14, 2010
by danuke
Do resistors in series really add up? 8 6712 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6109 December 09, 2010
by bretm
L293 H-Bridge 15 6799 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 7017 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7183 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6086 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6608 November 24, 2010
by BobaMosfet
Op-amp not working 6 6881 November 24, 2010
by BobaMosfet
Python questions 4 5831 November 21, 2010
by tkopriva
CE Amp design 5 5396 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5273 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5138 November 05, 2010
by Mujda
PC4 not working?! 8 4996 November 04, 2010
by hapshetsut
Amplifiers 4 4943 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5817 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5912 October 04, 2010
by Scythium
radio interference from NerdKit 11 5035 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9654 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5510 September 11, 2010
by akajester
QFP and dreadboard 2 5403 September 02, 2010
by bretm
Getting power to the spinning part... 5 5255 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13236 August 30, 2010
by Ralphxyz
morse code decoder 2 5369 August 26, 2010
by jonathan_m
Connecting to Computer 3 5350 August 25, 2010
by awesome
555 astable on breadboard 12 6864 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4976 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5472 August 19, 2010
by hevans
mosfet 3 4739 August 13, 2010
by hevans
Good material on learning electronics. 8 5748 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4623 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7374 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6569 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9990 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 7038 July 02, 2010
by mongo
Electro Cardio Gram 4 5935 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4679 June 12, 2010
by Wobbler
Voltage Regulator 20 6409 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5958 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6626 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6261 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5467 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4695 June 06, 2010
by Kafke
TSSOP IC! 4 5468 June 03, 2010
by mrobbins
AVcc 2 5694 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4914 May 31, 2010
by hevans
Cable Driver 2 4589 May 31, 2010
by mongo
Best 9V adapter to use 2 5020 May 28, 2010
by mongo
Unidirectional microphones 5 5255 May 27, 2010
by mongo
Servo question 3 4755 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5428 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5285 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6958 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11953 May 21, 2010
by hevans
Chinese Solenoid 15 5271 May 10, 2010
by treymd
avrisp mkii circuit 4 6461 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4807 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10194 May 07, 2010
by rajabalu21
Simple Power Switch 6 4894 May 05, 2010
by avicell
I can haz speed! 3 5249 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6768 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5603 April 21, 2010
by bretm
Help with choosing the right resistor 10 6693 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11476 April 15, 2010
by bretm
Resistor 4 4609 April 15, 2010
by mongo
MCU digital input pins 3 4812 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5101 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10979 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 7040 March 28, 2010
by carlhako
Laptop ground safety question 3 5112 March 27, 2010
by ese
LM34 R-C Damper 5 6712 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5414 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4717 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6731 March 23, 2010
by ese
constant system reset 3 4613 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5390 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6476 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5711 March 17, 2010
by Frozenlock
What is -VS? 6 8790 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6523 March 04, 2010
by treymd
Using MCU to connect two wires 3 5607 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10433 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 5047 March 02, 2010
by Solorbob
Deciphering power resistors 11 5438 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4811 March 01, 2010
by nrotstan
Understanding LEDs 16 8044 March 01, 2010
by michaeldallas
What's the part I need? 5 4921 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11970 February 23, 2010
by rajabalu21
Too much power? 14 5675 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6333 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6295 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13840 February 18, 2010
by Rick_S
Serial port interface circuit 2 5825 February 17, 2010
by mongo
OBDII project 3 4878 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8495 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7660 February 13, 2010
by BobaMosfet
Digital pots 5 5113 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5440 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6318 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7730 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7881 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5673 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7478 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11376 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 6069 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5267 December 27, 2009
by jgauthier
Servo Signal Noise 2 4829 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8212 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11682 December 10, 2009
by georgio
Relays and transistors 12 9656 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9715 December 09, 2009
by Rick_S
IR Detector 7 9271 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5877 November 19, 2009
by mikedoug
Debug with lcd 6 5836 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5297 November 15, 2009
by tech20
Understanding output pin characteristics 4 5214 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7228 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5499 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49387 October 30, 2009
by BobaMosfet
DIY header unit 2 5668 October 10, 2009
by rusirius
Thermostat Logging 6 7338 October 09, 2009
by luke
Understanding transistors 6 7002 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10995 October 07, 2009
by mikedoug
Currant booster 3 4823 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5799 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13865 August 27, 2009
by hevans
Which LED? 14 5576 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6616 August 07, 2009
by mongo
pull up, pull down resistors 7 18037 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 12046 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7868 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7259 July 07, 2009
by sector0
Reset switch for circuit 3 5482 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32131 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6620 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5376 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5542 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 6001 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5353 May 06, 2009
by paulip

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