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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 9015 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8365 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 7080 April 12, 2016
by Ralphxyz
USBasp Help! 3 5984 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8269 May 04, 2015
by mongo
Need to replace Wall Watt 16 5497 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5126 April 10, 2015
by Noter
My new 3D Printer 44 20707 April 07, 2015
by Rick_S
AtMega 644 2 5145 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4201 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4888 June 02, 2014
by JKITSON
Automated programming mode? 9 5175 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4744 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4773 January 28, 2014
by lailai
What kind of error is this? 4 4559 January 23, 2014
by Noter
How to double a DC voltage? 20 12007 January 12, 2014
by JKITSON
Is the code the driver? 2 4462 January 12, 2014
by Ralphxyz
Miniature headers 6 4676 January 01, 2014
by Ralphxyz
BLDC 8 4774 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5368 November 26, 2013
by Rick_S
GLCD SPI problems 14 8637 November 10, 2013
by andyi
Moving on... 7 4565 November 08, 2013
by Pr0ject
Power supply questions 4 6146 October 31, 2013
by sask55
OLED 4 4337 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16425 September 22, 2013
by sask55
Opto Interrupter once again 14 9055 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4740 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11816 September 02, 2013
by Ralphxyz
USB cable specifications 7 6358 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5277 August 27, 2013
by Affarram
XMEGA Breakout 8 5644 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4295 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4974 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 5012 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11752 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16389 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4308 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4909 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66466 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4099 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4669 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8850 March 14, 2013
by mongo
Current vs Voltage 8 5734 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5318 March 09, 2013
by lnino
Electric current 2 4081 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 7028 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9949 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9590 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5167 February 24, 2013
by lnino
Relay Question 27 8436 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8132 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5614 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5459 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5247 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4819 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5534 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4831 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5653 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4174 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4230 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4733 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10337 November 18, 2012
by carlhako
SPI slave clock 6 4966 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4341 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31639 October 23, 2012
by Noter
NPN circuit connection quandry 4 4917 September 24, 2012
by edb
Simple I/O circuit 4 4572 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4335 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4089 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6919 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4561 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6962 September 13, 2012
by dan_engbers
Electronics simulation 8 5195 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7380 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4474 August 20, 2012
by rblalock
louder sound 2 4244 August 18, 2012
by mongo
connector or cable for LCD display? 4 4459 August 13, 2012
by missle3944
Powering L.E.Ds 5 4594 August 09, 2012
by BobaMosfet
Wires in U.K 5 5061 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4979 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 8131 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7652 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5451 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22988 July 21, 2012
by lnino
um help 6 4052 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5106 July 18, 2012
by Ralphxyz
help me 11 4975 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4377 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5689 June 24, 2012
by Ralphxyz
HELP 3 4096 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15112 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4211 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6141 June 17, 2012
by RogerFL
Programmable current source 6 6215 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5730 June 11, 2012
by mongo
HELP 6 4435 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4836 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52653 May 24, 2012
by Ralphxyz
i need a code 8 4835 May 15, 2012
by pcbolt
Clock Accuracy 30 9510 May 14, 2012
by HexManiac
Relays and Controlling them 9 4815 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 5078 May 09, 2012
by RogerFL
Powering your NerdKit 7 4654 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4686 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7960 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5069 April 24, 2012
by pcbolt
Programs will not run 6 4569 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5223 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4870 April 09, 2012
by Ralphxyz
Path Lights controller 2 4437 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4548 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5100 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4647 April 01, 2012
by JamesFysh
Question on LCD screen 5 4669 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4627 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5964 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5589 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9299 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4732 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 6072 March 15, 2012
by mongo
Digital servo issues! 9 5282 March 15, 2012
by Rick_S
Brushless motor control 16 5616 March 12, 2012
by hevans
Windows not detecting device 3 4407 March 10, 2012
by hevans
Voltage throught MCU 5 4419 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20326 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 12190 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21615 March 01, 2012
by hevans
Up and running... 3 4213 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4865 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5215 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4447 February 24, 2012
by Rick_S
programming lcd trubs 7 4557 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5234 February 18, 2012
by Rick_S
Oscilloscope 15 6523 February 18, 2012
by Osarus
How far away can a LM34 be? 16 11055 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5661 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4849 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 12165 February 09, 2012
by mongo
Data transmission 3 5393 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5202 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6785 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4715 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4231 January 31, 2012
by tchilzer2
H bridge questions 6 5029 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4782 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5198 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5407 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8536 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 5065 January 15, 2012
by Rick_S
Source of power? 19 5223 January 13, 2012
by mongo
symbol defined please? 4 4869 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18295 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4780 January 06, 2012
by boxvic
Basic LED circuit properties 8 5004 January 06, 2012
by boxvic
Getting Started 3 4471 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5668 January 02, 2012
by bodangly
SMD reflow 16 5786 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4725 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5390 December 23, 2011
by BobaMosfet
Potentiometer 8 6391 December 23, 2011
by huzbum
Fun with Op-Amps 3 6612 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5690 December 19, 2011
by n1cl3
Odessy of the minds 5 4916 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4303 November 27, 2011
by sazD
Initial Load 2 4941 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5688 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6361 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 5014 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10197 November 10, 2011
by jfbrink
Servo Squitter Project 13 4771 November 09, 2011
by Heed
how do i run a program 4 4319 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4570 November 07, 2011
by Heed
Motor control question 2 4372 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10120 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4643 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4530 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 97949 October 24, 2011
by glendon
Measuring Capacitance 9 6064 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4667 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6421 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23394 October 16, 2011
by sask55
RxD / TxD Questions 10 8019 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4759 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4648 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4938 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4437 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 14351 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6132 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24683 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13401 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4372 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7974 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14121 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 9104 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5521 September 01, 2011
by BobaMosfet
Dim LED 3 4339 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4848 August 23, 2011
by Twarter369
Easy Transistor Question 4 5503 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7467 August 18, 2011
by Ralphxyz
Building a coil?? 12 7283 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4753 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4408 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4232 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4174 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24344 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5500 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4909 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4617 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4655 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7483 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4320 July 17, 2011
by codenamejupiterx
avr macpack 3 4696 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4693 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4801 July 13, 2011
by BobaMosfet
Battery clip wires 3 4233 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4131 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4418 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4674 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5129 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25490 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4648 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4870 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 7003 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4941 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4955 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4820 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5458 June 06, 2011
by mja
A couple of questions 3 4558 June 06, 2011
by Ralphxyz
How much should I strip? 3 4610 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5096 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4506 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4829 May 29, 2011
by Rick_S
Digital Input Question 4 4568 May 28, 2011
by frankdwest
PCB arrived 20 4556 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5202 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24269 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5151 May 09, 2011
by Noter
IR current 6 4853 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5590 May 04, 2011
by hariharan
Heat sensors 21 5963 May 04, 2011
by Hexorg
error 1 2 4445 May 02, 2011
by hevans
Transistor vs mosfet 13 12760 May 01, 2011
by Noter
PCB trace width calculator 3 6004 April 24, 2011
by esoderberg
OLED display 10 5728 April 23, 2011
by Rick_S
Power Supplies 17 6280 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4366 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5075 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4531 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5562 April 19, 2011
by mongo
Connecting to external control voltages 4 4497 April 19, 2011
by bretm
IR current question 7 4620 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5413 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5609 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4862 April 10, 2011
by uml_12
Basic projects 3 4540 April 09, 2011
by mongo
REFLOW oven 22 7506 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14935 April 07, 2011
by bretm
unexpected MCU rebooting 82 9612 April 05, 2011
by sask55
REFLOW Soldering 3 5519 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4841 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7195 March 30, 2011
by bretm
Black Display on LCD 6 4803 March 28, 2011
by Druidman
32kHz clock 2 4459 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11765 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12370 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6678 March 16, 2011
by mongo
LCD problem 3 4848 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5483 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5553 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4558 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8305 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5519 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5443 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12506 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9264 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6141 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9600 February 19, 2011
by Lusitania
My first Impression 6 4979 February 16, 2011
by devinsbusiness
Understanding battery life 3 6311 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5859 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5511 February 05, 2011
by BobaMosfet
High voltage lines 26 7716 February 02, 2011
by mongo
USB 3 4511 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5597 February 02, 2011
by Jalex
Alternating LED circuit 4 5470 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6815 January 31, 2011
by il1019
Affordable oscilloscopes 43 15239 January 27, 2011
by BStory
"And"gate unfinished thought 2 4672 January 27, 2011
by Hexorg
replace MCU? 30 9796 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5253 January 25, 2011
by Ralphxyz
Multimeter! 12 7528 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6172 January 25, 2011
by Jalex
My LED Cube so far 25 10957 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5961 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5396 January 18, 2011
by dgikuljot
Counting 5 4636 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9285 January 17, 2011
by bretm
Programming 5 5508 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5690 January 11, 2011
by Yourself
Begining 7 5773 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6153 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5476 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4798 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5343 January 06, 2011
by Mujda
Data input voltage 6 5335 January 03, 2011
by Rick_S
MOSFET Question 7 5507 December 31, 2010
by Keyster
Transistor as a switch 5 5529 December 29, 2010
by Hexorg
Resistors 5 5889 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10841 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5748 December 28, 2010
by BobaMosfet
Relay ratings 2 5047 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20414 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4886 December 17, 2010
by mongo
Power Rectifier 7 7190 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7530 December 14, 2010
by danuke
This a decent oscilloscope? 8 5293 December 14, 2010
by danuke
Do resistors in series really add up? 8 6723 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6117 December 09, 2010
by bretm
L293 H-Bridge 15 6805 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 7032 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7212 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6093 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6619 November 24, 2010
by BobaMosfet
Op-amp not working 6 6888 November 24, 2010
by BobaMosfet
Python questions 4 5839 November 21, 2010
by tkopriva
CE Amp design 5 5405 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5282 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5145 November 05, 2010
by Mujda
PC4 not working?! 8 5006 November 04, 2010
by hapshetsut
Amplifiers 4 4951 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5828 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5921 October 04, 2010
by Scythium
radio interference from NerdKit 11 5041 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9663 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5518 September 11, 2010
by akajester
QFP and dreadboard 2 5413 September 02, 2010
by bretm
Getting power to the spinning part... 5 5261 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13242 August 30, 2010
by Ralphxyz
morse code decoder 2 5377 August 26, 2010
by jonathan_m
Connecting to Computer 3 5357 August 25, 2010
by awesome
555 astable on breadboard 12 6872 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4984 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5479 August 19, 2010
by hevans
mosfet 3 4744 August 13, 2010
by hevans
Good material on learning electronics. 8 5756 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4631 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7387 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6577 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 10001 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 7046 July 02, 2010
by mongo
Electro Cardio Gram 4 5943 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4686 June 12, 2010
by Wobbler
Voltage Regulator 20 6418 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5970 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6635 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6268 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5473 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4703 June 06, 2010
by Kafke
TSSOP IC! 4 5476 June 03, 2010
by mrobbins
AVcc 2 5704 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4922 May 31, 2010
by hevans
Cable Driver 2 4596 May 31, 2010
by mongo
Best 9V adapter to use 2 5030 May 28, 2010
by mongo
Unidirectional microphones 5 5262 May 27, 2010
by mongo
Servo question 3 4765 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5437 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5293 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6965 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11963 May 21, 2010
by hevans
Chinese Solenoid 15 5282 May 10, 2010
by treymd
avrisp mkii circuit 4 6464 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4813 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10209 May 07, 2010
by rajabalu21
Simple Power Switch 6 4901 May 05, 2010
by avicell
I can haz speed! 3 5257 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6776 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5612 April 21, 2010
by bretm
Help with choosing the right resistor 10 6703 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11492 April 15, 2010
by bretm
Resistor 4 4622 April 15, 2010
by mongo
MCU digital input pins 3 4818 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5112 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10988 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 7050 March 28, 2010
by carlhako
Laptop ground safety question 3 5118 March 27, 2010
by ese
LM34 R-C Damper 5 6719 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5422 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4724 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6740 March 23, 2010
by ese
constant system reset 3 4621 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5397 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6484 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5719 March 17, 2010
by Frozenlock
What is -VS? 6 8801 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6532 March 04, 2010
by treymd
Using MCU to connect two wires 3 5615 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10448 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 5052 March 02, 2010
by Solorbob
Deciphering power resistors 11 5448 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4819 March 01, 2010
by nrotstan
Understanding LEDs 16 8053 March 01, 2010
by michaeldallas
What's the part I need? 5 4930 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11982 February 23, 2010
by rajabalu21
Too much power? 14 5681 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6341 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6303 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13851 February 18, 2010
by Rick_S
Serial port interface circuit 2 5832 February 17, 2010
by mongo
OBDII project 3 4889 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8506 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7668 February 13, 2010
by BobaMosfet
Digital pots 5 5120 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5448 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6330 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7739 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7890 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5682 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7488 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11388 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 6081 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5274 December 27, 2009
by jgauthier
Servo Signal Noise 2 4835 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8221 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11692 December 10, 2009
by georgio
Relays and transistors 12 9664 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9723 December 09, 2009
by Rick_S
IR Detector 7 9280 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5883 November 19, 2009
by mikedoug
Debug with lcd 6 5846 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5305 November 15, 2009
by tech20
Understanding output pin characteristics 4 5224 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7236 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5509 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49401 October 30, 2009
by BobaMosfet
DIY header unit 2 5676 October 10, 2009
by rusirius
Thermostat Logging 6 7345 October 09, 2009
by luke
Understanding transistors 6 7012 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 11004 October 07, 2009
by mikedoug
Currant booster 3 4834 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5804 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13877 August 27, 2009
by hevans
Which LED? 14 5583 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6623 August 07, 2009
by mongo
pull up, pull down resistors 7 18045 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 12061 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7877 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7265 July 07, 2009
by sector0
Reset switch for circuit 3 5490 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32139 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6629 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5384 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5548 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 6010 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5359 May 06, 2009
by paulip

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