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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8912 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8279 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 7006 April 12, 2016
by Ralphxyz
USBasp Help! 3 5900 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8177 May 04, 2015
by mongo
Need to replace Wall Watt 16 5405 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5054 April 10, 2015
by Noter
My new 3D Printer 44 20635 April 07, 2015
by Rick_S
AtMega 644 2 5098 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4143 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4822 June 02, 2014
by JKITSON
Automated programming mode? 9 5104 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4678 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4712 January 28, 2014
by lailai
What kind of error is this? 4 4508 January 23, 2014
by Noter
How to double a DC voltage? 20 11922 January 12, 2014
by JKITSON
Is the code the driver? 2 4393 January 12, 2014
by Ralphxyz
Miniature headers 6 4615 January 01, 2014
by Ralphxyz
BLDC 8 4705 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5303 November 26, 2013
by Rick_S
GLCD SPI problems 14 8571 November 10, 2013
by andyi
Moving on... 7 4512 November 08, 2013
by Pr0ject
Power supply questions 4 6082 October 31, 2013
by sask55
OLED 4 4278 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16307 September 22, 2013
by sask55
Opto Interrupter once again 14 8965 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4689 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11714 September 02, 2013
by Ralphxyz
USB cable specifications 7 6253 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5216 August 27, 2013
by Affarram
XMEGA Breakout 8 5577 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4240 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4913 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4958 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11450 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16202 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4243 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4853 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66326 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4047 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4609 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8775 March 14, 2013
by mongo
Current vs Voltage 8 5681 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5254 March 09, 2013
by lnino
Electric current 2 4027 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6967 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9857 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9458 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5110 February 24, 2013
by lnino
Relay Question 27 8375 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8065 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5548 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5409 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5187 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4772 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5460 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4769 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5593 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4113 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4182 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4665 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10230 November 18, 2012
by carlhako
SPI slave clock 6 4905 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4288 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31306 October 23, 2012
by Noter
NPN circuit connection quandry 4 4866 September 24, 2012
by edb
Simple I/O circuit 4 4516 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4295 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4018 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6847 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4513 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6902 September 13, 2012
by dan_engbers
Electronics simulation 8 5142 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7305 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4423 August 20, 2012
by rblalock
louder sound 2 4187 August 18, 2012
by mongo
connector or cable for LCD display? 4 4410 August 13, 2012
by missle3944
Powering L.E.Ds 5 4540 August 09, 2012
by BobaMosfet
Wires in U.K 5 5008 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4921 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 8023 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7584 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5382 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22914 July 21, 2012
by lnino
um help 6 3998 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5051 July 18, 2012
by Ralphxyz
help me 11 4913 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4301 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5624 June 24, 2012
by Ralphxyz
HELP 3 4049 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15041 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4154 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6084 June 17, 2012
by RogerFL
Programmable current source 6 6143 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5677 June 11, 2012
by mongo
HELP 6 4377 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4780 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52465 May 24, 2012
by Ralphxyz
i need a code 8 4783 May 15, 2012
by pcbolt
Clock Accuracy 30 9450 May 14, 2012
by HexManiac
Relays and Controlling them 9 4752 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 5022 May 09, 2012
by RogerFL
Powering your NerdKit 7 4603 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4629 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7881 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5028 April 24, 2012
by pcbolt
Programs will not run 6 4521 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5161 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4817 April 09, 2012
by Ralphxyz
Path Lights controller 2 4384 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4497 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5044 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4592 April 01, 2012
by JamesFysh
Question on LCD screen 5 4600 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4565 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5896 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5507 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9234 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4679 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5979 March 15, 2012
by mongo
Digital servo issues! 9 5213 March 15, 2012
by Rick_S
Brushless motor control 16 5549 March 12, 2012
by hevans
Windows not detecting device 3 4349 March 10, 2012
by hevans
Voltage throught MCU 5 4357 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20251 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11998 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21395 March 01, 2012
by hevans
Up and running... 3 4143 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4803 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5156 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4390 February 24, 2012
by Rick_S
programming lcd trubs 7 4506 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5179 February 18, 2012
by Rick_S
Oscilloscope 15 6457 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10983 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5602 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4789 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11599 February 09, 2012
by mongo
Data transmission 3 5342 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5148 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6723 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4648 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4183 January 31, 2012
by tchilzer2
H bridge questions 6 4978 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4723 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5145 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5349 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8472 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 5009 January 15, 2012
by Rick_S
Source of power? 19 5146 January 13, 2012
by mongo
symbol defined please? 4 4823 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18210 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4725 January 06, 2012
by boxvic
Basic LED circuit properties 8 4955 January 06, 2012
by boxvic
Getting Started 3 4417 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5608 January 02, 2012
by bodangly
SMD reflow 16 5718 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4677 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5339 December 23, 2011
by BobaMosfet
Potentiometer 8 6310 December 23, 2011
by huzbum
Fun with Op-Amps 3 6554 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5629 December 19, 2011
by n1cl3
Odessy of the minds 5 4865 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4248 November 27, 2011
by sazD
Initial Load 2 4900 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5632 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6313 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4962 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10147 November 10, 2011
by jfbrink
Servo Squitter Project 13 4708 November 09, 2011
by Heed
how do i run a program 4 4269 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4524 November 07, 2011
by Heed
Motor control question 2 4310 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10033 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4591 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4468 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 97345 October 24, 2011
by glendon
Measuring Capacitance 9 6010 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4623 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6373 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23218 October 16, 2011
by sask55
RxD / TxD Questions 10 7935 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4699 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4596 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4883 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4383 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 14051 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6078 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24581 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13307 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4324 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7908 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14041 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 9016 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5464 September 01, 2011
by BobaMosfet
Dim LED 3 4287 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4796 August 23, 2011
by Twarter369
Easy Transistor Question 4 5445 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7401 August 18, 2011
by Ralphxyz
Building a coil?? 12 7211 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4705 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4351 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4189 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4118 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24280 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5453 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4861 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4566 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4614 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7411 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4274 July 17, 2011
by codenamejupiterx
avr macpack 3 4643 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4638 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4737 July 13, 2011
by BobaMosfet
Battery clip wires 3 4188 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4082 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4365 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4615 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5078 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25408 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4597 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4821 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6938 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4878 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4891 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4767 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5373 June 06, 2011
by mja
A couple of questions 3 4494 June 06, 2011
by Ralphxyz
How much should I strip? 3 4563 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5046 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4446 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4784 May 29, 2011
by Rick_S
Digital Input Question 4 4515 May 28, 2011
by frankdwest
PCB arrived 20 4500 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5147 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24182 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5100 May 09, 2011
by Noter
IR current 6 4799 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5527 May 04, 2011
by hariharan
Heat sensors 21 5899 May 04, 2011
by Hexorg
error 1 2 4395 May 02, 2011
by hevans
Transistor vs mosfet 13 12689 May 01, 2011
by Noter
PCB trace width calculator 3 5956 April 24, 2011
by esoderberg
OLED display 10 5678 April 23, 2011
by Rick_S
Power Supplies 17 6227 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4319 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5025 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4470 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5498 April 19, 2011
by mongo
Connecting to external control voltages 4 4440 April 19, 2011
by bretm
IR current question 7 4573 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5357 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5557 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4816 April 10, 2011
by uml_12
Basic projects 3 4489 April 09, 2011
by mongo
REFLOW oven 22 7446 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14832 April 07, 2011
by bretm
unexpected MCU rebooting 82 9506 April 05, 2011
by sask55
REFLOW Soldering 3 5445 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4786 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7134 March 30, 2011
by bretm
Black Display on LCD 6 4755 March 28, 2011
by Druidman
32kHz clock 2 4409 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11655 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12260 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6628 March 16, 2011
by mongo
LCD problem 3 4796 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5426 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5501 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4508 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8234 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5450 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5399 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12449 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9189 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6081 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9543 February 19, 2011
by Lusitania
My first Impression 6 4920 February 16, 2011
by devinsbusiness
Understanding battery life 3 6247 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5816 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5458 February 05, 2011
by BobaMosfet
High voltage lines 26 7654 February 02, 2011
by mongo
USB 3 4464 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5543 February 02, 2011
by Jalex
Alternating LED circuit 4 5418 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6758 January 31, 2011
by il1019
Affordable oscilloscopes 43 15086 January 27, 2011
by BStory
"And"gate unfinished thought 2 4619 January 27, 2011
by Hexorg
replace MCU? 30 9724 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5183 January 25, 2011
by Ralphxyz
Multimeter! 12 7477 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6123 January 25, 2011
by Jalex
My LED Cube so far 25 10898 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5908 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5346 January 18, 2011
by dgikuljot
Counting 5 4565 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9226 January 17, 2011
by bretm
Programming 5 5446 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5633 January 11, 2011
by Yourself
Begining 7 5721 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6099 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5427 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4750 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5281 January 06, 2011
by Mujda
Data input voltage 6 5285 January 03, 2011
by Rick_S
MOSFET Question 7 5430 December 31, 2010
by Keyster
Transistor as a switch 5 5475 December 29, 2010
by Hexorg
Resistors 5 5833 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10781 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5690 December 28, 2010
by BobaMosfet
Relay ratings 2 4995 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20346 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4832 December 17, 2010
by mongo
Power Rectifier 7 7127 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7467 December 14, 2010
by danuke
This a decent oscilloscope? 8 5238 December 14, 2010
by danuke
Do resistors in series really add up? 8 6667 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6062 December 09, 2010
by bretm
L293 H-Bridge 15 6752 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6964 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7131 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6035 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6563 November 24, 2010
by BobaMosfet
Op-amp not working 6 6831 November 24, 2010
by BobaMosfet
Python questions 4 5794 November 21, 2010
by tkopriva
CE Amp design 5 5344 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5235 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5091 November 05, 2010
by Mujda
PC4 not working?! 8 4951 November 04, 2010
by hapshetsut
Amplifiers 4 4901 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5769 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5860 October 04, 2010
by Scythium
radio interference from NerdKit 11 4990 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9615 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5461 September 11, 2010
by akajester
QFP and dreadboard 2 5362 September 02, 2010
by bretm
Getting power to the spinning part... 5 5218 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13177 August 30, 2010
by Ralphxyz
morse code decoder 2 5332 August 26, 2010
by jonathan_m
Connecting to Computer 3 5316 August 25, 2010
by awesome
555 astable on breadboard 12 6821 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4937 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5436 August 19, 2010
by hevans
mosfet 3 4697 August 13, 2010
by hevans
Good material on learning electronics. 8 5703 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4583 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7309 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6527 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9929 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 7003 July 02, 2010
by mongo
Electro Cardio Gram 4 5881 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4642 June 12, 2010
by Wobbler
Voltage Regulator 20 6360 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5915 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6585 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6224 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5422 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4653 June 06, 2010
by Kafke
TSSOP IC! 4 5428 June 03, 2010
by mrobbins
AVcc 2 5662 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4862 May 31, 2010
by hevans
Cable Driver 2 4542 May 31, 2010
by mongo
Best 9V adapter to use 2 4983 May 28, 2010
by mongo
Unidirectional microphones 5 5223 May 27, 2010
by mongo
Servo question 3 4699 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5389 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5244 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6919 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11892 May 21, 2010
by hevans
Chinese Solenoid 15 5222 May 10, 2010
by treymd
avrisp mkii circuit 4 6425 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4764 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10133 May 07, 2010
by rajabalu21
Simple Power Switch 6 4853 May 05, 2010
by avicell
I can haz speed! 3 5207 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6713 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5551 April 21, 2010
by bretm
Help with choosing the right resistor 10 6653 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11419 April 15, 2010
by bretm
Resistor 4 4566 April 15, 2010
by mongo
MCU digital input pins 3 4766 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5043 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10941 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6997 March 28, 2010
by carlhako
Laptop ground safety question 3 5080 March 27, 2010
by ese
LM34 R-C Damper 5 6658 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5374 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4680 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6688 March 23, 2010
by ese
constant system reset 3 4571 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5346 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6432 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5673 March 17, 2010
by Frozenlock
What is -VS? 6 8739 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6487 March 04, 2010
by treymd
Using MCU to connect two wires 3 5568 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10370 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 5003 March 02, 2010
by Solorbob
Deciphering power resistors 11 5392 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4773 March 01, 2010
by nrotstan
Understanding LEDs 16 7995 March 01, 2010
by michaeldallas
What's the part I need? 5 4884 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11929 February 23, 2010
by rajabalu21
Too much power? 14 5632 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6292 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6246 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13782 February 18, 2010
by Rick_S
Serial port interface circuit 2 5778 February 17, 2010
by mongo
OBDII project 3 4841 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8453 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7610 February 13, 2010
by BobaMosfet
Digital pots 5 5068 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5397 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6274 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7681 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7826 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5636 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7428 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11326 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 6019 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5225 December 27, 2009
by jgauthier
Servo Signal Noise 2 4786 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8166 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11625 December 10, 2009
by georgio
Relays and transistors 12 9611 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9674 December 09, 2009
by Rick_S
IR Detector 7 9211 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5836 November 19, 2009
by mikedoug
Debug with lcd 6 5800 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5265 November 15, 2009
by tech20
Understanding output pin characteristics 4 5170 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7182 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5448 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49176 October 30, 2009
by BobaMosfet
DIY header unit 2 5621 October 10, 2009
by rusirius
Thermostat Logging 6 7283 October 09, 2009
by luke
Understanding transistors 6 6970 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10951 October 07, 2009
by mikedoug
Currant booster 3 4782 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5762 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13816 August 27, 2009
by hevans
Which LED? 14 5533 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6569 August 07, 2009
by mongo
pull up, pull down resistors 7 17992 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11986 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7820 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7207 July 07, 2009
by sector0
Reset switch for circuit 3 5442 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32076 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6577 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5340 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5499 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5967 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5310 May 06, 2009
by paulip

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