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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8818 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8213 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6940 April 12, 2016
by Ralphxyz
USBasp Help! 3 5843 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8080 May 04, 2015
by mongo
Need to replace Wall Watt 16 5340 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5001 April 10, 2015
by Noter
My new 3D Printer 44 20570 April 07, 2015
by Rick_S
AtMega 644 2 5057 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4101 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4776 June 02, 2014
by JKITSON
Automated programming mode? 9 5053 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4628 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4669 January 28, 2014
by lailai
What kind of error is this? 4 4473 January 23, 2014
by Noter
How to double a DC voltage? 20 11861 January 12, 2014
by JKITSON
Is the code the driver? 2 4352 January 12, 2014
by Ralphxyz
Miniature headers 6 4573 January 01, 2014
by Ralphxyz
BLDC 8 4657 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5253 November 26, 2013
by Rick_S
GLCD SPI problems 14 8516 November 10, 2013
by andyi
Moving on... 7 4470 November 08, 2013
by Pr0ject
Power supply questions 4 6030 October 31, 2013
by sask55
OLED 4 4228 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16226 September 22, 2013
by sask55
Opto Interrupter once again 14 8905 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4642 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11638 September 02, 2013
by Ralphxyz
USB cable specifications 7 6170 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5156 August 27, 2013
by Affarram
XMEGA Breakout 8 5517 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4195 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4864 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4911 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11276 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15887 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4187 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4801 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66195 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3993 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4549 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8717 March 14, 2013
by mongo
Current vs Voltage 8 5624 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5211 March 09, 2013
by lnino
Electric current 2 3989 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6925 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9673 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9183 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5067 February 24, 2013
by lnino
Relay Question 27 8323 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8005 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5495 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5369 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5140 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4731 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5391 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4720 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5545 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4066 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4142 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4623 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10160 November 18, 2012
by carlhako
SPI slave clock 6 4857 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4245 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31091 October 23, 2012
by Noter
NPN circuit connection quandry 4 4819 September 24, 2012
by edb
Simple I/O circuit 4 4476 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4255 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3975 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6774 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4470 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6853 September 13, 2012
by dan_engbers
Electronics simulation 8 5110 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7242 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4381 August 20, 2012
by rblalock
louder sound 2 4151 August 18, 2012
by mongo
connector or cable for LCD display? 4 4366 August 13, 2012
by missle3944
Powering L.E.Ds 5 4501 August 09, 2012
by BobaMosfet
Wires in U.K 5 4968 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4875 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7854 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7529 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5326 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22833 July 21, 2012
by lnino
um help 6 3957 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5008 July 18, 2012
by Ralphxyz
help me 11 4865 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4255 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5566 June 24, 2012
by Ralphxyz
HELP 3 4010 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14973 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4119 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6045 June 17, 2012
by RogerFL
Programmable current source 6 6076 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5633 June 11, 2012
by mongo
HELP 6 4338 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4735 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 51054 May 24, 2012
by Ralphxyz
i need a code 8 4740 May 15, 2012
by pcbolt
Clock Accuracy 30 9402 May 14, 2012
by HexManiac
Relays and Controlling them 9 4709 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4979 May 09, 2012
by RogerFL
Powering your NerdKit 7 4565 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4584 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7811 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4989 April 24, 2012
by pcbolt
Programs will not run 6 4473 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5109 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4774 April 09, 2012
by Ralphxyz
Path Lights controller 2 4347 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4461 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4992 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4554 April 01, 2012
by JamesFysh
Question on LCD screen 5 4556 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4523 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5844 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5455 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9172 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4643 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5884 March 15, 2012
by mongo
Digital servo issues! 9 5158 March 15, 2012
by Rick_S
Brushless motor control 16 5500 March 12, 2012
by hevans
Windows not detecting device 3 4296 March 10, 2012
by hevans
Voltage throught MCU 5 4307 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20182 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11917 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21182 March 01, 2012
by hevans
Up and running... 3 4104 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4767 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5121 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4348 February 24, 2012
by Rick_S
programming lcd trubs 7 4459 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5130 February 18, 2012
by Rick_S
Oscilloscope 15 6406 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10911 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5559 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4744 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11440 February 09, 2012
by mongo
Data transmission 3 5297 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5103 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6680 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4592 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4145 January 31, 2012
by tchilzer2
H bridge questions 6 4929 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4675 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5105 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5293 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8424 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4967 January 15, 2012
by Rick_S
Source of power? 19 5096 January 13, 2012
by mongo
symbol defined please? 4 4778 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18106 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4682 January 06, 2012
by boxvic
Basic LED circuit properties 8 4908 January 06, 2012
by boxvic
Getting Started 3 4375 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5570 January 02, 2012
by bodangly
SMD reflow 16 5673 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4634 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5297 December 23, 2011
by BobaMosfet
Potentiometer 8 6260 December 23, 2011
by huzbum
Fun with Op-Amps 3 6500 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5556 December 19, 2011
by n1cl3
Odessy of the minds 5 4825 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4199 November 27, 2011
by sazD
Initial Load 2 4860 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5578 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6259 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4929 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10074 November 10, 2011
by jfbrink
Servo Squitter Project 13 4668 November 09, 2011
by Heed
how do i run a program 4 4231 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4492 November 07, 2011
by Heed
Motor control question 2 4274 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9962 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4541 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4419 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 96683 October 24, 2011
by glendon
Measuring Capacitance 9 5975 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4575 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6334 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 22997 October 16, 2011
by sask55
RxD / TxD Questions 10 7802 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4657 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4556 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4847 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4351 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13808 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6029 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24494 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13188 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4287 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7860 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13944 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8970 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5412 September 01, 2011
by BobaMosfet
Dim LED 3 4239 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4759 August 23, 2011
by Twarter369
Easy Transistor Question 4 5396 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7158 August 18, 2011
by Ralphxyz
Building a coil?? 12 7168 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4661 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4310 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4145 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4082 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24201 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5412 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4816 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4533 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4579 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7355 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4235 July 17, 2011
by codenamejupiterx
avr macpack 3 4604 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4600 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4692 July 13, 2011
by BobaMosfet
Battery clip wires 3 4151 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4037 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4335 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4572 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5024 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25336 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4550 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4783 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6876 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4819 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4842 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4735 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5309 June 06, 2011
by mja
A couple of questions 3 4451 June 06, 2011
by Ralphxyz
How much should I strip? 3 4521 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5011 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4405 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4736 May 29, 2011
by Rick_S
Digital Input Question 4 4472 May 28, 2011
by frankdwest
PCB arrived 20 4463 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5101 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24105 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5053 May 09, 2011
by Noter
IR current 6 4758 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5479 May 04, 2011
by hariharan
Heat sensors 21 5848 May 04, 2011
by Hexorg
error 1 2 4358 May 02, 2011
by hevans
Transistor vs mosfet 13 12612 May 01, 2011
by Noter
PCB trace width calculator 3 5922 April 24, 2011
by esoderberg
OLED display 10 5631 April 23, 2011
by Rick_S
Power Supplies 17 6185 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4284 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4986 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4428 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5458 April 19, 2011
by mongo
Connecting to external control voltages 4 4409 April 19, 2011
by bretm
IR current question 7 4529 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5316 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5509 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4778 April 10, 2011
by uml_12
Basic projects 3 4451 April 09, 2011
by mongo
REFLOW oven 22 7408 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14724 April 07, 2011
by bretm
unexpected MCU rebooting 82 9437 April 05, 2011
by sask55
REFLOW Soldering 3 5393 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4748 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7087 March 30, 2011
by bretm
Black Display on LCD 6 4719 March 28, 2011
by Druidman
32kHz clock 2 4377 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11563 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12111 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6587 March 16, 2011
by mongo
LCD problem 3 4765 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5378 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5462 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4472 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8173 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5410 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5356 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12404 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9132 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6038 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9485 February 19, 2011
by Lusitania
My first Impression 6 4873 February 16, 2011
by devinsbusiness
Understanding battery life 3 6175 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5777 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5409 February 05, 2011
by BobaMosfet
High voltage lines 26 7581 February 02, 2011
by mongo
USB 3 4426 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5499 February 02, 2011
by Jalex
Alternating LED circuit 4 5379 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6711 January 31, 2011
by il1019
Affordable oscilloscopes 43 14933 January 27, 2011
by BStory
"And"gate unfinished thought 2 4575 January 27, 2011
by Hexorg
replace MCU? 30 9655 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5140 January 25, 2011
by Ralphxyz
Multimeter! 12 7424 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6075 January 25, 2011
by Jalex
My LED Cube so far 25 10852 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5865 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5307 January 18, 2011
by dgikuljot
Counting 5 4519 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9170 January 17, 2011
by bretm
Programming 5 5396 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5588 January 11, 2011
by Yourself
Begining 7 5668 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6056 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5388 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4697 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5229 January 06, 2011
by Mujda
Data input voltage 6 5234 January 03, 2011
by Rick_S
MOSFET Question 7 5384 December 31, 2010
by Keyster
Transistor as a switch 5 5431 December 29, 2010
by Hexorg
Resistors 5 5785 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10717 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5641 December 28, 2010
by BobaMosfet
Relay ratings 2 4951 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20286 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4788 December 17, 2010
by mongo
Power Rectifier 7 7079 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7418 December 14, 2010
by danuke
This a decent oscilloscope? 8 5194 December 14, 2010
by danuke
Do resistors in series really add up? 8 6614 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6016 December 09, 2010
by bretm
L293 H-Bridge 15 6706 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6916 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7083 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5994 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6515 November 24, 2010
by BobaMosfet
Op-amp not working 6 6786 November 24, 2010
by BobaMosfet
Python questions 4 5740 November 21, 2010
by tkopriva
CE Amp design 5 5291 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5195 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5053 November 05, 2010
by Mujda
PC4 not working?! 8 4907 November 04, 2010
by hapshetsut
Amplifiers 4 4863 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5722 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5809 October 04, 2010
by Scythium
radio interference from NerdKit 11 4944 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9569 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5416 September 11, 2010
by akajester
QFP and dreadboard 2 5321 September 02, 2010
by bretm
Getting power to the spinning part... 5 5181 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13126 August 30, 2010
by Ralphxyz
morse code decoder 2 5294 August 26, 2010
by jonathan_m
Connecting to Computer 3 5279 August 25, 2010
by awesome
555 astable on breadboard 12 6788 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4900 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5398 August 19, 2010
by hevans
mosfet 3 4658 August 13, 2010
by hevans
Good material on learning electronics. 8 5658 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4543 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7240 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6478 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9861 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6954 July 02, 2010
by mongo
Electro Cardio Gram 4 5828 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4601 June 12, 2010
by Wobbler
Voltage Regulator 20 6325 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5875 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6537 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6195 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5384 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4611 June 06, 2010
by Kafke
TSSOP IC! 4 5389 June 03, 2010
by mrobbins
AVcc 2 5619 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4819 May 31, 2010
by hevans
Cable Driver 2 4499 May 31, 2010
by mongo
Best 9V adapter to use 2 4935 May 28, 2010
by mongo
Unidirectional microphones 5 5185 May 27, 2010
by mongo
Servo question 3 4657 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5349 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5204 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6879 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11823 May 21, 2010
by hevans
Chinese Solenoid 15 5179 May 10, 2010
by treymd
avrisp mkii circuit 4 6385 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4724 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10056 May 07, 2010
by rajabalu21
Simple Power Switch 6 4817 May 05, 2010
by avicell
I can haz speed! 3 5166 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6666 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5506 April 21, 2010
by bretm
Help with choosing the right resistor 10 6608 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11355 April 15, 2010
by bretm
Resistor 4 4521 April 15, 2010
by mongo
MCU digital input pins 3 4723 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5007 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10896 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6966 March 28, 2010
by carlhako
Laptop ground safety question 3 5045 March 27, 2010
by ese
LM34 R-C Damper 5 6620 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5339 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4646 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6654 March 23, 2010
by ese
constant system reset 3 4537 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5304 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6383 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5634 March 17, 2010
by Frozenlock
What is -VS? 6 8695 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6447 March 04, 2010
by treymd
Using MCU to connect two wires 3 5532 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10291 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4961 March 02, 2010
by Solorbob
Deciphering power resistors 11 5348 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4734 March 01, 2010
by nrotstan
Understanding LEDs 16 7944 March 01, 2010
by michaeldallas
What's the part I need? 5 4841 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11874 February 23, 2010
by rajabalu21
Too much power? 14 5588 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6254 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6196 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13706 February 18, 2010
by Rick_S
Serial port interface circuit 2 5739 February 17, 2010
by mongo
OBDII project 3 4804 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8403 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7558 February 13, 2010
by BobaMosfet
Digital pots 5 5030 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5357 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6238 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7639 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7774 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5603 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7373 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11181 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5976 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5188 December 27, 2009
by jgauthier
Servo Signal Noise 2 4747 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8122 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11568 December 10, 2009
by georgio
Relays and transistors 12 9561 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9626 December 09, 2009
by Rick_S
IR Detector 7 9142 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5805 November 19, 2009
by mikedoug
Debug with lcd 6 5756 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5233 November 15, 2009
by tech20
Understanding output pin characteristics 4 5128 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7130 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5412 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49030 October 30, 2009
by BobaMosfet
DIY header unit 2 5583 October 10, 2009
by rusirius
Thermostat Logging 6 7245 October 09, 2009
by luke
Understanding transistors 6 6932 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10910 October 07, 2009
by mikedoug
Currant booster 3 4746 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5732 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13755 August 27, 2009
by hevans
Which LED? 14 5492 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6527 August 07, 2009
by mongo
pull up, pull down resistors 7 17936 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11891 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7772 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7159 July 07, 2009
by sector0
Reset switch for circuit 3 5400 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32025 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6529 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5291 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5442 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5935 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5272 May 06, 2009
by paulip

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