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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 9057 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8401 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 7119 April 12, 2016
by Ralphxyz
USBasp Help! 3 6022 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8317 May 04, 2015
by mongo
Need to replace Wall Watt 16 5530 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5159 April 10, 2015
by Noter
My new 3D Printer 44 20736 April 07, 2015
by Rick_S
AtMega 644 2 5173 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4227 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4920 June 02, 2014
by JKITSON
Automated programming mode? 9 5204 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4772 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4812 January 28, 2014
by lailai
What kind of error is this? 4 4579 January 23, 2014
by Noter
How to double a DC voltage? 20 12043 January 12, 2014
by JKITSON
Is the code the driver? 2 4488 January 12, 2014
by Ralphxyz
Miniature headers 6 4702 January 01, 2014
by Ralphxyz
BLDC 8 4802 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5401 November 26, 2013
by Rick_S
GLCD SPI problems 14 8667 November 10, 2013
by andyi
Moving on... 7 4594 November 08, 2013
by Pr0ject
Power supply questions 4 6178 October 31, 2013
by sask55
OLED 4 4364 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16478 September 22, 2013
by sask55
Opto Interrupter once again 14 9104 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4767 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11855 September 02, 2013
by Ralphxyz
USB cable specifications 7 6418 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5305 August 27, 2013
by Affarram
XMEGA Breakout 8 5677 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4321 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 5000 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 5035 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11810 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16446 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4336 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4939 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66522 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4126 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4693 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8880 March 14, 2013
by mongo
Current vs Voltage 8 5769 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5348 March 09, 2013
by lnino
Electric current 2 4107 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 7056 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9981 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9629 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5194 February 24, 2013
by lnino
Relay Question 27 8478 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8168 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5647 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5480 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5278 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4844 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5571 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4862 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5684 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4204 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4257 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4771 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10380 November 18, 2012
by carlhako
SPI slave clock 6 4994 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4369 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31696 October 23, 2012
by Noter
NPN circuit connection quandry 4 4941 September 24, 2012
by edb
Simple I/O circuit 4 4600 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4360 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4114 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6959 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4593 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6991 September 13, 2012
by dan_engbers
Electronics simulation 8 5223 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7411 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4496 August 20, 2012
by rblalock
louder sound 2 4268 August 18, 2012
by mongo
connector or cable for LCD display? 4 4487 August 13, 2012
by missle3944
Powering L.E.Ds 5 4622 August 09, 2012
by BobaMosfet
Wires in U.K 5 5088 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 5005 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 8171 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7682 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5503 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 23023 July 21, 2012
by lnino
um help 6 4078 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5134 July 18, 2012
by Ralphxyz
help me 11 4999 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4401 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5721 June 24, 2012
by Ralphxyz
HELP 3 4117 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15155 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4238 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6165 June 17, 2012
by RogerFL
Programmable current source 6 6250 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5756 June 11, 2012
by mongo
HELP 6 4460 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4871 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52722 May 24, 2012
by Ralphxyz
i need a code 8 4862 May 15, 2012
by pcbolt
Clock Accuracy 30 9537 May 14, 2012
by HexManiac
Relays and Controlling them 9 4847 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 5104 May 09, 2012
by RogerFL
Powering your NerdKit 7 4684 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4710 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7994 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5099 April 24, 2012
by pcbolt
Programs will not run 6 4594 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5255 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4896 April 09, 2012
by Ralphxyz
Path Lights controller 2 4463 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4575 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5134 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4677 April 01, 2012
by JamesFysh
Question on LCD screen 5 4701 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4668 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5998 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5623 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9326 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4764 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 6118 March 15, 2012
by mongo
Digital servo issues! 9 5315 March 15, 2012
by Rick_S
Brushless motor control 16 5643 March 12, 2012
by hevans
Windows not detecting device 3 4433 March 10, 2012
by hevans
Voltage throught MCU 5 4447 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20356 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 12230 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21666 March 01, 2012
by hevans
Up and running... 3 4238 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4901 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5248 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4469 February 24, 2012
by Rick_S
programming lcd trubs 7 4588 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5260 February 18, 2012
by Rick_S
Oscilloscope 15 6562 February 18, 2012
by Osarus
How far away can a LM34 be? 16 11095 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5690 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4878 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 12215 February 09, 2012
by mongo
Data transmission 3 5418 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5227 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6809 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4755 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4257 January 31, 2012
by tchilzer2
H bridge questions 6 5056 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4808 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5227 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5440 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8565 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 5102 January 15, 2012
by Rick_S
Source of power? 19 5256 January 13, 2012
by mongo
symbol defined please? 4 4894 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18330 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4809 January 06, 2012
by boxvic
Basic LED circuit properties 8 5034 January 06, 2012
by boxvic
Getting Started 3 4508 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5696 January 02, 2012
by bodangly
SMD reflow 16 5816 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4748 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5417 December 23, 2011
by BobaMosfet
Potentiometer 8 6427 December 23, 2011
by huzbum
Fun with Op-Amps 3 6639 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5717 December 19, 2011
by n1cl3
Odessy of the minds 5 4942 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4331 November 27, 2011
by sazD
Initial Load 2 4968 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5715 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6391 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 5037 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10225 November 10, 2011
by jfbrink
Servo Squitter Project 13 4800 November 09, 2011
by Heed
how do i run a program 4 4351 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4600 November 07, 2011
by Heed
Motor control question 2 4396 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10150 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4667 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4559 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 98037 October 24, 2011
by glendon
Measuring Capacitance 9 6095 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4690 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6451 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23447 October 16, 2011
by sask55
RxD / TxD Questions 10 8060 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4784 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4680 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4962 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4461 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 14407 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6163 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24730 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13450 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4396 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 8007 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14160 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 9137 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5549 September 01, 2011
by BobaMosfet
Dim LED 3 4364 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4874 August 23, 2011
by Twarter369
Easy Transistor Question 4 5545 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7497 August 18, 2011
by Ralphxyz
Building a coil?? 12 7311 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4778 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4437 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4257 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4202 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24375 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5524 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4934 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4642 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4681 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7509 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4351 July 17, 2011
by codenamejupiterx
avr macpack 3 4722 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4718 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4829 July 13, 2011
by BobaMosfet
Battery clip wires 3 4258 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4157 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4444 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4698 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5157 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25532 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4669 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4893 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 7037 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4971 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4978 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4843 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5494 June 06, 2011
by mja
A couple of questions 3 4585 June 06, 2011
by Ralphxyz
How much should I strip? 3 4633 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5125 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4535 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4850 May 29, 2011
by Rick_S
Digital Input Question 4 4598 May 28, 2011
by frankdwest
PCB arrived 20 4583 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5233 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24318 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5175 May 09, 2011
by Noter
IR current 6 4880 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5620 May 04, 2011
by hariharan
Heat sensors 21 5993 May 04, 2011
by Hexorg
error 1 2 4470 May 02, 2011
by hevans
Transistor vs mosfet 13 12800 May 01, 2011
by Noter
PCB trace width calculator 3 6033 April 24, 2011
by esoderberg
OLED display 10 5755 April 23, 2011
by Rick_S
Power Supplies 17 6310 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4391 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5103 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4562 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5591 April 19, 2011
by mongo
Connecting to external control voltages 4 4523 April 19, 2011
by bretm
IR current question 7 4649 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5439 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5634 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4888 April 10, 2011
by uml_12
Basic projects 3 4561 April 09, 2011
by mongo
REFLOW oven 22 7534 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14971 April 07, 2011
by bretm
unexpected MCU rebooting 82 9652 April 05, 2011
by sask55
REFLOW Soldering 3 5548 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4872 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7228 March 30, 2011
by bretm
Black Display on LCD 6 4830 March 28, 2011
by Druidman
32kHz clock 2 4484 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11817 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12418 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6702 March 16, 2011
by mongo
LCD problem 3 4876 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5509 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5579 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4583 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8335 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5558 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5470 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12533 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9304 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6163 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9631 February 19, 2011
by Lusitania
My first Impression 6 5013 February 16, 2011
by devinsbusiness
Understanding battery life 3 6346 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5891 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5541 February 05, 2011
by BobaMosfet
High voltage lines 26 7748 February 02, 2011
by mongo
USB 3 4535 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5624 February 02, 2011
by Jalex
Alternating LED circuit 4 5501 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6840 January 31, 2011
by il1019
Affordable oscilloscopes 43 15282 January 27, 2011
by BStory
"And"gate unfinished thought 2 4703 January 27, 2011
by Hexorg
replace MCU? 30 9838 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5277 January 25, 2011
by Ralphxyz
Multimeter! 12 7549 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6203 January 25, 2011
by Jalex
My LED Cube so far 25 10991 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5987 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5427 January 18, 2011
by dgikuljot
Counting 5 4667 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9307 January 17, 2011
by bretm
Programming 5 5535 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5721 January 11, 2011
by Yourself
Begining 7 5805 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6179 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5505 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4836 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5370 January 06, 2011
by Mujda
Data input voltage 6 5362 January 03, 2011
by Rick_S
MOSFET Question 7 5545 December 31, 2010
by Keyster
Transistor as a switch 5 5559 December 29, 2010
by Hexorg
Resistors 5 5924 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10880 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5774 December 28, 2010
by BobaMosfet
Relay ratings 2 5071 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20449 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4916 December 17, 2010
by mongo
Power Rectifier 7 7218 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7560 December 14, 2010
by danuke
This a decent oscilloscope? 8 5321 December 14, 2010
by danuke
Do resistors in series really add up? 8 6751 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6142 December 09, 2010
by bretm
L293 H-Bridge 15 6836 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 7062 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7242 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6122 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6648 November 24, 2010
by BobaMosfet
Op-amp not working 6 6914 November 24, 2010
by BobaMosfet
Python questions 4 5872 November 21, 2010
by tkopriva
CE Amp design 5 5431 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5312 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5178 November 05, 2010
by Mujda
PC4 not working?! 8 5033 November 04, 2010
by hapshetsut
Amplifiers 4 4978 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5858 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5950 October 04, 2010
by Scythium
radio interference from NerdKit 11 5067 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9687 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5554 September 11, 2010
by akajester
QFP and dreadboard 2 5447 September 02, 2010
by bretm
Getting power to the spinning part... 5 5289 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13272 August 30, 2010
by Ralphxyz
morse code decoder 2 5398 August 26, 2010
by jonathan_m
Connecting to Computer 3 5385 August 25, 2010
by awesome
555 astable on breadboard 12 6898 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 5008 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5505 August 19, 2010
by hevans
mosfet 3 4774 August 13, 2010
by hevans
Good material on learning electronics. 8 5786 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4663 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7420 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6608 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 10055 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 7070 July 02, 2010
by mongo
Electro Cardio Gram 4 5972 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4712 June 12, 2010
by Wobbler
Voltage Regulator 20 6449 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5997 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6665 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6297 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5503 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4727 June 06, 2010
by Kafke
TSSOP IC! 4 5505 June 03, 2010
by mrobbins
AVcc 2 5729 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4946 May 31, 2010
by hevans
Cable Driver 2 4622 May 31, 2010
by mongo
Best 9V adapter to use 2 5053 May 28, 2010
by mongo
Unidirectional microphones 5 5289 May 27, 2010
by mongo
Servo question 3 4794 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5466 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5321 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6988 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 12006 May 21, 2010
by hevans
Chinese Solenoid 15 5322 May 10, 2010
by treymd
avrisp mkii circuit 4 6494 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4846 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10239 May 07, 2010
by rajabalu21
Simple Power Switch 6 4933 May 05, 2010
by avicell
I can haz speed! 3 5291 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6808 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5641 April 21, 2010
by bretm
Help with choosing the right resistor 10 6733 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11530 April 15, 2010
by bretm
Resistor 4 4646 April 15, 2010
by mongo
MCU digital input pins 3 4845 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5143 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 11019 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 7079 March 28, 2010
by carlhako
Laptop ground safety question 3 5147 March 27, 2010
by ese
LM34 R-C Damper 5 6759 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5452 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4749 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6777 March 23, 2010
by ese
constant system reset 3 4652 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5428 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6520 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5744 March 17, 2010
by Frozenlock
What is -VS? 6 8835 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6558 March 04, 2010
by treymd
Using MCU to connect two wires 3 5641 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10485 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 5082 March 02, 2010
by Solorbob
Deciphering power resistors 11 5475 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4842 March 01, 2010
by nrotstan
Understanding LEDs 16 8078 March 01, 2010
by michaeldallas
What's the part I need? 5 4961 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 12015 February 23, 2010
by rajabalu21
Too much power? 14 5710 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6368 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6338 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13897 February 18, 2010
by Rick_S
Serial port interface circuit 2 5858 February 17, 2010
by mongo
OBDII project 3 4916 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8535 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7699 February 13, 2010
by BobaMosfet
Digital pots 5 5160 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5476 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6358 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7765 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7917 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5710 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7523 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11417 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 6111 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5303 December 27, 2009
by jgauthier
Servo Signal Noise 2 4865 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8246 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11725 December 10, 2009
by georgio
Relays and transistors 12 9696 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9755 December 09, 2009
by Rick_S
IR Detector 7 9312 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5913 November 19, 2009
by mikedoug
Debug with lcd 6 5879 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5331 November 15, 2009
by tech20
Understanding output pin characteristics 4 5256 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7267 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5536 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49450 October 30, 2009
by BobaMosfet
DIY header unit 2 5711 October 10, 2009
by rusirius
Thermostat Logging 6 7380 October 09, 2009
by luke
Understanding transistors 6 7039 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 11028 October 07, 2009
by mikedoug
Currant booster 3 4874 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5837 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13910 August 27, 2009
by hevans
Which LED? 14 5615 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6660 August 07, 2009
by mongo
pull up, pull down resistors 7 18078 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 12097 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7910 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7302 July 07, 2009
by sector0
Reset switch for circuit 3 5516 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32173 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6654 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5410 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5579 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 6035 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5388 May 06, 2009
by paulip

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