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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 9091 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8418 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 7138 April 12, 2016
by Ralphxyz
USBasp Help! 3 6041 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8340 May 04, 2015
by mongo
Need to replace Wall Watt 16 5543 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5177 April 10, 2015
by Noter
My new 3D Printer 44 20758 April 07, 2015
by Rick_S
AtMega 644 2 5186 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4242 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4935 June 02, 2014
by JKITSON
Automated programming mode? 9 5214 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4786 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4822 January 28, 2014
by lailai
What kind of error is this? 4 4588 January 23, 2014
by Noter
How to double a DC voltage? 20 12058 January 12, 2014
by JKITSON
Is the code the driver? 2 4501 January 12, 2014
by Ralphxyz
Miniature headers 6 4711 January 01, 2014
by Ralphxyz
BLDC 8 4818 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5415 November 26, 2013
by Rick_S
GLCD SPI problems 14 8717 November 10, 2013
by andyi
Moving on... 7 4610 November 08, 2013
by Pr0ject
Power supply questions 4 6189 October 31, 2013
by sask55
OLED 4 4377 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16495 September 22, 2013
by sask55
Opto Interrupter once again 14 9120 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4777 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11881 September 02, 2013
by Ralphxyz
USB cable specifications 7 6440 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5323 August 27, 2013
by Affarram
XMEGA Breakout 8 5689 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4334 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 5010 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 5046 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11855 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16504 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4348 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4952 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66562 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4139 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4710 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8908 March 14, 2013
by mongo
Current vs Voltage 8 5783 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5367 March 09, 2013
by lnino
Electric current 2 4117 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 7069 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 10010 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9677 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5209 February 24, 2013
by lnino
Relay Question 27 8493 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8182 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5660 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5491 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5292 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4856 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5584 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4879 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5696 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4218 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4272 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4793 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10429 November 18, 2012
by carlhako
SPI slave clock 6 5005 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4377 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31722 October 23, 2012
by Noter
NPN circuit connection quandry 4 4956 September 24, 2012
by edb
Simple I/O circuit 4 4614 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4373 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4127 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6973 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4609 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 7001 September 13, 2012
by dan_engbers
Electronics simulation 8 5238 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7424 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4507 August 20, 2012
by rblalock
louder sound 2 4280 August 18, 2012
by mongo
connector or cable for LCD display? 4 4500 August 13, 2012
by missle3944
Powering L.E.Ds 5 4634 August 09, 2012
by BobaMosfet
Wires in U.K 5 5102 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 5019 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 8189 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7693 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5517 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 23045 July 21, 2012
by lnino
um help 6 4090 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5145 July 18, 2012
by Ralphxyz
help me 11 5012 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4414 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5732 June 24, 2012
by Ralphxyz
HELP 3 4129 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15175 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4253 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6176 June 17, 2012
by RogerFL
Programmable current source 6 6263 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5764 June 11, 2012
by mongo
HELP 6 4468 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4888 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52779 May 24, 2012
by Ralphxyz
i need a code 8 4873 May 15, 2012
by pcbolt
Clock Accuracy 30 9555 May 14, 2012
by HexManiac
Relays and Controlling them 9 4858 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 5116 May 09, 2012
by RogerFL
Powering your NerdKit 7 4695 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4725 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 8011 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5111 April 24, 2012
by pcbolt
Programs will not run 6 4606 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5272 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4910 April 09, 2012
by Ralphxyz
Path Lights controller 2 4474 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4594 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5145 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4687 April 01, 2012
by JamesFysh
Question on LCD screen 5 4713 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4681 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 6012 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5635 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9340 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4776 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 6149 March 15, 2012
by mongo
Digital servo issues! 9 5326 March 15, 2012
by Rick_S
Brushless motor control 16 5656 March 12, 2012
by hevans
Windows not detecting device 3 4448 March 10, 2012
by hevans
Voltage throught MCU 5 4461 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20384 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 12248 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21706 March 01, 2012
by hevans
Up and running... 3 4250 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4915 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5260 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4479 February 24, 2012
by Rick_S
programming lcd trubs 7 4610 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5272 February 18, 2012
by Rick_S
Oscilloscope 15 6578 February 18, 2012
by Osarus
How far away can a LM34 be? 16 11109 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5710 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4893 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 12241 February 09, 2012
by mongo
Data transmission 3 5430 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5241 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6822 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4767 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4268 January 31, 2012
by tchilzer2
H bridge questions 6 5070 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4820 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5246 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5454 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8583 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 5118 January 15, 2012
by Rick_S
Source of power? 19 5271 January 13, 2012
by mongo
symbol defined please? 4 4907 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18343 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4822 January 06, 2012
by boxvic
Basic LED circuit properties 8 5045 January 06, 2012
by boxvic
Getting Started 3 4519 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5707 January 02, 2012
by bodangly
SMD reflow 16 5832 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4757 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5431 December 23, 2011
by BobaMosfet
Potentiometer 8 6440 December 23, 2011
by huzbum
Fun with Op-Amps 3 6653 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5734 December 19, 2011
by n1cl3
Odessy of the minds 5 4953 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4343 November 27, 2011
by sazD
Initial Load 2 4978 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5732 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6405 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 5045 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10242 November 10, 2011
by jfbrink
Servo Squitter Project 13 4814 November 09, 2011
by Heed
how do i run a program 4 4364 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4609 November 07, 2011
by Heed
Motor control question 2 4409 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10163 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4680 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4569 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 98118 October 24, 2011
by glendon
Measuring Capacitance 9 6110 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4704 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6463 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23480 October 16, 2011
by sask55
RxD / TxD Questions 10 8079 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4799 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4691 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4976 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4471 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 14466 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6174 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24747 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13476 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4406 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 8017 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14183 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 9156 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5568 September 01, 2011
by BobaMosfet
Dim LED 3 4377 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4885 August 23, 2011
by Twarter369
Easy Transistor Question 4 5557 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7509 August 18, 2011
by Ralphxyz
Building a coil?? 12 7327 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4792 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4450 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4271 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4214 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24387 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5536 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4945 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4656 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4693 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7525 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4370 July 17, 2011
by codenamejupiterx
avr macpack 3 4732 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4733 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4843 July 13, 2011
by BobaMosfet
Battery clip wires 3 4268 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4167 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4459 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4709 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5172 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25551 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4677 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4903 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 7051 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4987 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4989 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4858 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5519 June 06, 2011
by mja
A couple of questions 3 4601 June 06, 2011
by Ralphxyz
How much should I strip? 3 4647 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5139 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4545 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4860 May 29, 2011
by Rick_S
Digital Input Question 4 4617 May 28, 2011
by frankdwest
PCB arrived 20 4598 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5245 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24352 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5186 May 09, 2011
by Noter
IR current 6 4894 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5661 May 04, 2011
by hariharan
Heat sensors 21 6012 May 04, 2011
by Hexorg
error 1 2 4485 May 02, 2011
by hevans
Transistor vs mosfet 13 12812 May 01, 2011
by Noter
PCB trace width calculator 3 6044 April 24, 2011
by esoderberg
OLED display 10 5768 April 23, 2011
by Rick_S
Power Supplies 17 6321 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4402 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5116 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4574 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5603 April 19, 2011
by mongo
Connecting to external control voltages 4 4538 April 19, 2011
by bretm
IR current question 7 4662 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5455 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5649 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4898 April 10, 2011
by uml_12
Basic projects 3 4571 April 09, 2011
by mongo
REFLOW oven 22 7546 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 15014 April 07, 2011
by bretm
unexpected MCU rebooting 82 9676 April 05, 2011
by sask55
REFLOW Soldering 3 5562 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4885 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7247 March 30, 2011
by bretm
Black Display on LCD 6 4843 March 28, 2011
by Druidman
32kHz clock 2 4496 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11845 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12437 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6714 March 16, 2011
by mongo
LCD problem 3 4892 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5525 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5593 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4592 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8348 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5574 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5482 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12545 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9324 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6178 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9670 February 19, 2011
by Lusitania
My first Impression 6 5025 February 16, 2011
by devinsbusiness
Understanding battery life 3 6361 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5904 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5556 February 05, 2011
by BobaMosfet
High voltage lines 26 7771 February 02, 2011
by mongo
USB 3 4547 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5638 February 02, 2011
by Jalex
Alternating LED circuit 4 5513 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6855 January 31, 2011
by il1019
Affordable oscilloscopes 43 15305 January 27, 2011
by BStory
"And"gate unfinished thought 2 4713 January 27, 2011
by Hexorg
replace MCU? 30 9854 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5292 January 25, 2011
by Ralphxyz
Multimeter! 12 7564 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6210 January 25, 2011
by Jalex
My LED Cube so far 25 11001 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 6000 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5441 January 18, 2011
by dgikuljot
Counting 5 4680 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9317 January 17, 2011
by bretm
Programming 5 5544 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5733 January 11, 2011
by Yourself
Begining 7 5820 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6194 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5514 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4850 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5383 January 06, 2011
by Mujda
Data input voltage 6 5372 January 03, 2011
by Rick_S
MOSFET Question 7 5566 December 31, 2010
by Keyster
Transistor as a switch 5 5571 December 29, 2010
by Hexorg
Resistors 5 5942 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10889 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5786 December 28, 2010
by BobaMosfet
Relay ratings 2 5085 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20464 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4929 December 17, 2010
by mongo
Power Rectifier 7 7230 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7574 December 14, 2010
by danuke
This a decent oscilloscope? 8 5332 December 14, 2010
by danuke
Do resistors in series really add up? 8 6765 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6155 December 09, 2010
by bretm
L293 H-Bridge 15 6848 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 7075 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7256 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6138 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6665 November 24, 2010
by BobaMosfet
Op-amp not working 6 6930 November 24, 2010
by BobaMosfet
Python questions 4 5887 November 21, 2010
by tkopriva
CE Amp design 5 5443 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5326 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5193 November 05, 2010
by Mujda
PC4 not working?! 8 5045 November 04, 2010
by hapshetsut
Amplifiers 4 4989 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5868 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5964 October 04, 2010
by Scythium
radio interference from NerdKit 11 5080 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9699 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5566 September 11, 2010
by akajester
QFP and dreadboard 2 5462 September 02, 2010
by bretm
Getting power to the spinning part... 5 5300 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13284 August 30, 2010
by Ralphxyz
morse code decoder 2 5410 August 26, 2010
by jonathan_m
Connecting to Computer 3 5396 August 25, 2010
by awesome
555 astable on breadboard 12 6911 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 5020 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5518 August 19, 2010
by hevans
mosfet 3 4785 August 13, 2010
by hevans
Good material on learning electronics. 8 5799 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4679 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7443 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6628 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 10087 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 7084 July 02, 2010
by mongo
Electro Cardio Gram 4 5984 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4723 June 12, 2010
by Wobbler
Voltage Regulator 20 6461 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 6009 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6679 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6308 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5518 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4741 June 06, 2010
by Kafke
TSSOP IC! 4 5518 June 03, 2010
by mrobbins
AVcc 2 5745 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4958 May 31, 2010
by hevans
Cable Driver 2 4631 May 31, 2010
by mongo
Best 9V adapter to use 2 5064 May 28, 2010
by mongo
Unidirectional microphones 5 5303 May 27, 2010
by mongo
Servo question 3 4809 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5482 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5334 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 7000 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 12028 May 21, 2010
by hevans
Chinese Solenoid 15 5333 May 10, 2010
by treymd
avrisp mkii circuit 4 6507 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4856 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10255 May 07, 2010
by rajabalu21
Simple Power Switch 6 4944 May 05, 2010
by avicell
I can haz speed! 3 5300 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6825 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5657 April 21, 2010
by bretm
Help with choosing the right resistor 10 6746 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11561 April 15, 2010
by bretm
Resistor 4 4662 April 15, 2010
by mongo
MCU digital input pins 3 4859 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5157 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 11042 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 7095 March 28, 2010
by carlhako
Laptop ground safety question 3 5160 March 27, 2010
by ese
LM34 R-C Damper 5 6772 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5464 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4762 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6795 March 23, 2010
by ese
constant system reset 3 4667 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5444 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6538 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5759 March 17, 2010
by Frozenlock
What is -VS? 6 8856 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6569 March 04, 2010
by treymd
Using MCU to connect two wires 3 5654 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10503 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 5096 March 02, 2010
by Solorbob
Deciphering power resistors 11 5489 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4853 March 01, 2010
by nrotstan
Understanding LEDs 16 8112 March 01, 2010
by michaeldallas
What's the part I need? 5 4971 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 12034 February 23, 2010
by rajabalu21
Too much power? 14 5726 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6380 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6350 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13925 February 18, 2010
by Rick_S
Serial port interface circuit 2 5869 February 17, 2010
by mongo
OBDII project 3 4929 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8558 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7714 February 13, 2010
by BobaMosfet
Digital pots 5 5176 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5495 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6368 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7783 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7931 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5720 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7542 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11451 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 6125 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5316 December 27, 2009
by jgauthier
Servo Signal Noise 2 4878 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8260 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11740 December 10, 2009
by georgio
Relays and transistors 12 9710 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9770 December 09, 2009
by Rick_S
IR Detector 7 9331 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5924 November 19, 2009
by mikedoug
Debug with lcd 6 5891 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5341 November 15, 2009
by tech20
Understanding output pin characteristics 4 5268 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7278 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5550 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49498 October 30, 2009
by BobaMosfet
DIY header unit 2 5722 October 10, 2009
by rusirius
Thermostat Logging 6 7389 October 09, 2009
by luke
Understanding transistors 6 7050 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 11043 October 07, 2009
by mikedoug
Currant booster 3 4886 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5851 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13924 August 27, 2009
by hevans
Which LED? 14 5640 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6678 August 07, 2009
by mongo
pull up, pull down resistors 7 18093 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 12115 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7925 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7316 July 07, 2009
by sector0
Reset switch for circuit 3 5528 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32186 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6671 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5420 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5592 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 6043 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5400 May 06, 2009
by paulip

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