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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8863 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8247 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6972 April 12, 2016
by Ralphxyz
USBasp Help! 3 5872 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8128 May 04, 2015
by mongo
Need to replace Wall Watt 16 5372 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5026 April 10, 2015
by Noter
My new 3D Printer 44 20601 April 07, 2015
by Rick_S
AtMega 644 2 5074 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4122 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4797 June 02, 2014
by JKITSON
Automated programming mode? 9 5080 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4653 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4693 January 28, 2014
by lailai
What kind of error is this? 4 4490 January 23, 2014
by Noter
How to double a DC voltage? 20 11893 January 12, 2014
by JKITSON
Is the code the driver? 2 4373 January 12, 2014
by Ralphxyz
Miniature headers 6 4592 January 01, 2014
by Ralphxyz
BLDC 8 4677 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5276 November 26, 2013
by Rick_S
GLCD SPI problems 14 8543 November 10, 2013
by andyi
Moving on... 7 4487 November 08, 2013
by Pr0ject
Power supply questions 4 6056 October 31, 2013
by sask55
OLED 4 4255 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16264 September 22, 2013
by sask55
Opto Interrupter once again 14 8938 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4665 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11675 September 02, 2013
by Ralphxyz
USB cable specifications 7 6208 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5184 August 27, 2013
by Affarram
XMEGA Breakout 8 5542 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4215 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4886 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4932 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11349 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16001 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4207 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4822 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66279 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4015 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4575 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8742 March 14, 2013
by mongo
Current vs Voltage 8 5648 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5229 March 09, 2013
by lnino
Electric current 2 4005 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6946 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9700 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9229 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5089 February 24, 2013
by lnino
Relay Question 27 8345 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8034 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5517 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5384 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5161 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4748 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5423 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4738 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5568 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4083 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4160 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4639 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10201 November 18, 2012
by carlhako
SPI slave clock 6 4878 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4262 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31171 October 23, 2012
by Noter
NPN circuit connection quandry 4 4839 September 24, 2012
by edb
Simple I/O circuit 4 4493 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4273 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4000 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6806 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4486 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6874 September 13, 2012
by dan_engbers
Electronics simulation 8 5127 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7275 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4401 August 20, 2012
by rblalock
louder sound 2 4168 August 18, 2012
by mongo
connector or cable for LCD display? 4 4383 August 13, 2012
by missle3944
Powering L.E.Ds 5 4514 August 09, 2012
by BobaMosfet
Wires in U.K 5 4986 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4896 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7897 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7551 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5352 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22878 July 21, 2012
by lnino
um help 6 3973 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5029 July 18, 2012
by Ralphxyz
help me 11 4885 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4272 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5591 June 24, 2012
by Ralphxyz
HELP 3 4030 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15007 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4133 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6060 June 17, 2012
by RogerFL
Programmable current source 6 6107 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5658 June 11, 2012
by mongo
HELP 6 4354 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4755 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52092 May 24, 2012
by Ralphxyz
i need a code 8 4757 May 15, 2012
by pcbolt
Clock Accuracy 30 9426 May 14, 2012
by HexManiac
Relays and Controlling them 9 4731 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4997 May 09, 2012
by RogerFL
Powering your NerdKit 7 4580 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4604 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7847 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5007 April 24, 2012
by pcbolt
Programs will not run 6 4496 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5132 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4790 April 09, 2012
by Ralphxyz
Path Lights controller 2 4361 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4474 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5014 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4570 April 01, 2012
by JamesFysh
Question on LCD screen 5 4571 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4542 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5867 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5480 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9209 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4657 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5934 March 15, 2012
by mongo
Digital servo issues! 9 5179 March 15, 2012
by Rick_S
Brushless motor control 16 5522 March 12, 2012
by hevans
Windows not detecting device 3 4321 March 10, 2012
by hevans
Voltage throught MCU 5 4327 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20215 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11962 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21254 March 01, 2012
by hevans
Up and running... 3 4118 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4782 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5134 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4365 February 24, 2012
by Rick_S
programming lcd trubs 7 4483 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5152 February 18, 2012
by Rick_S
Oscilloscope 15 6426 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10941 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5574 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4765 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11557 February 09, 2012
by mongo
Data transmission 3 5313 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5120 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6699 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4616 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4160 January 31, 2012
by tchilzer2
H bridge questions 6 4950 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4701 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5119 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5321 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8446 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4986 January 15, 2012
by Rick_S
Source of power? 19 5122 January 13, 2012
by mongo
symbol defined please? 4 4797 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18170 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4697 January 06, 2012
by boxvic
Basic LED circuit properties 8 4929 January 06, 2012
by boxvic
Getting Started 3 4396 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5586 January 02, 2012
by bodangly
SMD reflow 16 5699 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4652 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5316 December 23, 2011
by BobaMosfet
Potentiometer 8 6285 December 23, 2011
by huzbum
Fun with Op-Amps 3 6522 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5609 December 19, 2011
by n1cl3
Odessy of the minds 5 4844 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4222 November 27, 2011
by sazD
Initial Load 2 4877 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5602 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6282 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4940 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10105 November 10, 2011
by jfbrink
Servo Squitter Project 13 4685 November 09, 2011
by Heed
how do i run a program 4 4247 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4504 November 07, 2011
by Heed
Motor control question 2 4293 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9995 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4560 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4440 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 96863 October 24, 2011
by glendon
Measuring Capacitance 9 5990 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4592 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6348 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23117 October 16, 2011
by sask55
RxD / TxD Questions 10 7842 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4680 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4568 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4864 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4365 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13896 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6051 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24538 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13281 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4304 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7881 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14002 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8986 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5430 September 01, 2011
by BobaMosfet
Dim LED 3 4259 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4776 August 23, 2011
by Twarter369
Easy Transistor Question 4 5420 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7188 August 18, 2011
by Ralphxyz
Building a coil?? 12 7187 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4676 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4323 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4166 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4099 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24243 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5427 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4836 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4549 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4593 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7378 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4249 July 17, 2011
by codenamejupiterx
avr macpack 3 4620 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4616 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4714 July 13, 2011
by BobaMosfet
Battery clip wires 3 4172 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4056 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4348 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4591 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5047 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25379 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4571 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4800 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6904 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4848 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4861 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4752 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5325 June 06, 2011
by mja
A couple of questions 3 4470 June 06, 2011
by Ralphxyz
How much should I strip? 3 4542 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5025 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4424 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4756 May 29, 2011
by Rick_S
Digital Input Question 4 4490 May 28, 2011
by frankdwest
PCB arrived 20 4480 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5121 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24151 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5074 May 09, 2011
by Noter
IR current 6 4774 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5500 May 04, 2011
by hariharan
Heat sensors 21 5871 May 04, 2011
by Hexorg
error 1 2 4374 May 02, 2011
by hevans
Transistor vs mosfet 13 12657 May 01, 2011
by Noter
PCB trace width calculator 3 5938 April 24, 2011
by esoderberg
OLED display 10 5653 April 23, 2011
by Rick_S
Power Supplies 17 6201 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4300 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5003 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4449 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5477 April 19, 2011
by mongo
Connecting to external control voltages 4 4423 April 19, 2011
by bretm
IR current question 7 4550 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5333 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5533 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4795 April 10, 2011
by uml_12
Basic projects 3 4471 April 09, 2011
by mongo
REFLOW oven 22 7424 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14778 April 07, 2011
by bretm
unexpected MCU rebooting 82 9470 April 05, 2011
by sask55
REFLOW Soldering 3 5420 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4765 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7111 March 30, 2011
by bretm
Black Display on LCD 6 4733 March 28, 2011
by Druidman
32kHz clock 2 4392 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11611 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12169 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6605 March 16, 2011
by mongo
LCD problem 3 4781 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5402 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5481 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4490 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8206 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5431 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5384 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12424 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9162 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6057 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9516 February 19, 2011
by Lusitania
My first Impression 6 4898 February 16, 2011
by devinsbusiness
Understanding battery life 3 6223 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5794 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5435 February 05, 2011
by BobaMosfet
High voltage lines 26 7627 February 02, 2011
by mongo
USB 3 4443 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5524 February 02, 2011
by Jalex
Alternating LED circuit 4 5398 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6731 January 31, 2011
by il1019
Affordable oscilloscopes 43 15009 January 27, 2011
by BStory
"And"gate unfinished thought 2 4589 January 27, 2011
by Hexorg
replace MCU? 30 9688 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5162 January 25, 2011
by Ralphxyz
Multimeter! 12 7451 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6096 January 25, 2011
by Jalex
My LED Cube so far 25 10871 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5885 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5325 January 18, 2011
by dgikuljot
Counting 5 4539 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9202 January 17, 2011
by bretm
Programming 5 5421 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5607 January 11, 2011
by Yourself
Begining 7 5689 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6077 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5405 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4721 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5253 January 06, 2011
by Mujda
Data input voltage 6 5257 January 03, 2011
by Rick_S
MOSFET Question 7 5404 December 31, 2010
by Keyster
Transistor as a switch 5 5453 December 29, 2010
by Hexorg
Resistors 5 5809 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10747 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5664 December 28, 2010
by BobaMosfet
Relay ratings 2 4979 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20315 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4806 December 17, 2010
by mongo
Power Rectifier 7 7103 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7438 December 14, 2010
by danuke
This a decent oscilloscope? 8 5220 December 14, 2010
by danuke
Do resistors in series really add up? 8 6642 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6033 December 09, 2010
by bretm
L293 H-Bridge 15 6729 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6939 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7104 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6012 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6535 November 24, 2010
by BobaMosfet
Op-amp not working 6 6806 November 24, 2010
by BobaMosfet
Python questions 4 5764 November 21, 2010
by tkopriva
CE Amp design 5 5316 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5211 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5076 November 05, 2010
by Mujda
PC4 not working?! 8 4932 November 04, 2010
by hapshetsut
Amplifiers 4 4882 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5746 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5831 October 04, 2010
by Scythium
radio interference from NerdKit 11 4963 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9593 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5437 September 11, 2010
by akajester
QFP and dreadboard 2 5341 September 02, 2010
by bretm
Getting power to the spinning part... 5 5197 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13152 August 30, 2010
by Ralphxyz
morse code decoder 2 5311 August 26, 2010
by jonathan_m
Connecting to Computer 3 5297 August 25, 2010
by awesome
555 astable on breadboard 12 6805 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4917 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5414 August 19, 2010
by hevans
mosfet 3 4677 August 13, 2010
by hevans
Good material on learning electronics. 8 5677 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4564 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7271 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6505 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9892 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6978 July 02, 2010
by mongo
Electro Cardio Gram 4 5855 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4617 June 12, 2010
by Wobbler
Voltage Regulator 20 6344 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5894 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6557 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6209 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5401 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4626 June 06, 2010
by Kafke
TSSOP IC! 4 5409 June 03, 2010
by mrobbins
AVcc 2 5643 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4835 May 31, 2010
by hevans
Cable Driver 2 4523 May 31, 2010
by mongo
Best 9V adapter to use 2 4959 May 28, 2010
by mongo
Unidirectional microphones 5 5205 May 27, 2010
by mongo
Servo question 3 4672 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5366 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5221 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6897 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11855 May 21, 2010
by hevans
Chinese Solenoid 15 5198 May 10, 2010
by treymd
avrisp mkii circuit 4 6403 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4739 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10097 May 07, 2010
by rajabalu21
Simple Power Switch 6 4834 May 05, 2010
by avicell
I can haz speed! 3 5184 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6688 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5529 April 21, 2010
by bretm
Help with choosing the right resistor 10 6626 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11379 April 15, 2010
by bretm
Resistor 4 4536 April 15, 2010
by mongo
MCU digital input pins 3 4744 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5026 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10916 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6980 March 28, 2010
by carlhako
Laptop ground safety question 3 5061 March 27, 2010
by ese
LM34 R-C Damper 5 6638 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5356 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4663 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6674 March 23, 2010
by ese
constant system reset 3 4549 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5323 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6406 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5651 March 17, 2010
by Frozenlock
What is -VS? 6 8718 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6463 March 04, 2010
by treymd
Using MCU to connect two wires 3 5546 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10334 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4979 March 02, 2010
by Solorbob
Deciphering power resistors 11 5369 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4753 March 01, 2010
by nrotstan
Understanding LEDs 16 7964 March 01, 2010
by michaeldallas
What's the part I need? 5 4859 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11904 February 23, 2010
by rajabalu21
Too much power? 14 5608 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6271 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6219 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13748 February 18, 2010
by Rick_S
Serial port interface circuit 2 5758 February 17, 2010
by mongo
OBDII project 3 4821 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8430 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7579 February 13, 2010
by BobaMosfet
Digital pots 5 5047 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5377 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6253 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7654 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7792 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5616 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7397 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11222 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5992 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5202 December 27, 2009
by jgauthier
Servo Signal Noise 2 4762 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8145 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11592 December 10, 2009
by georgio
Relays and transistors 12 9582 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9651 December 09, 2009
by Rick_S
IR Detector 7 9180 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5820 November 19, 2009
by mikedoug
Debug with lcd 6 5773 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5248 November 15, 2009
by tech20
Understanding output pin characteristics 4 5151 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7152 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5425 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49089 October 30, 2009
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DIY header unit 2 5602 October 10, 2009
by rusirius
Thermostat Logging 6 7259 October 09, 2009
by luke
Understanding transistors 6 6951 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10927 October 07, 2009
by mikedoug
Currant booster 3 4762 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5745 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13791 August 27, 2009
by hevans
Which LED? 14 5512 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6546 August 07, 2009
by mongo
pull up, pull down resistors 7 17965 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11946 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7797 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7185 July 07, 2009
by sector0
Reset switch for circuit 3 5422 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32051 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6553 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5314 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5470 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5948 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5290 May 06, 2009
by paulip

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