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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8717 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8133 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6873 April 12, 2016
by Ralphxyz
USBasp Help! 3 5772 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 7994 May 04, 2015
by mongo
Need to replace Wall Watt 16 5283 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4944 April 10, 2015
by Noter
My new 3D Printer 44 20510 April 07, 2015
by Rick_S
AtMega 644 2 5018 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4063 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4720 June 02, 2014
by JKITSON
Automated programming mode? 9 5003 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4579 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4599 January 28, 2014
by lailai
What kind of error is this? 4 4432 January 23, 2014
by Noter
How to double a DC voltage? 20 11797 January 12, 2014
by JKITSON
Is the code the driver? 2 4284 January 12, 2014
by Ralphxyz
Miniature headers 6 4534 January 01, 2014
by Ralphxyz
BLDC 8 4608 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5175 November 26, 2013
by Rick_S
GLCD SPI problems 14 8457 November 10, 2013
by andyi
Moving on... 7 4413 November 08, 2013
by Pr0ject
Power supply questions 4 5953 October 31, 2013
by sask55
OLED 4 4173 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16128 September 22, 2013
by sask55
Opto Interrupter once again 14 8821 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4599 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11543 September 02, 2013
by Ralphxyz
USB cable specifications 7 6070 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5083 August 27, 2013
by Affarram
XMEGA Breakout 8 5454 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4149 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4822 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4851 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11104 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15748 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4133 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4755 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66029 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3956 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4477 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8640 March 14, 2013
by mongo
Current vs Voltage 8 5572 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5170 March 09, 2013
by lnino
Electric current 2 3948 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6887 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9594 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9052 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5013 February 24, 2013
by lnino
Relay Question 27 8268 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7934 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5441 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5329 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5087 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4695 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5313 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4661 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5499 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4015 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4110 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4593 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10013 November 18, 2012
by carlhako
SPI slave clock 6 4803 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4207 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 30930 October 23, 2012
by Noter
NPN circuit connection quandry 4 4774 September 24, 2012
by edb
Simple I/O circuit 4 4426 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4215 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3899 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6681 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4432 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6807 September 13, 2012
by dan_engbers
Electronics simulation 8 5074 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7183 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4335 August 20, 2012
by rblalock
louder sound 2 4114 August 18, 2012
by mongo
connector or cable for LCD display? 4 4327 August 13, 2012
by missle3944
Powering L.E.Ds 5 4454 August 09, 2012
by BobaMosfet
Wires in U.K 5 4925 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4830 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7781 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7477 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5262 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22760 July 21, 2012
by lnino
um help 6 3926 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4968 July 18, 2012
by Ralphxyz
help me 11 4818 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4216 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5510 June 24, 2012
by Ralphxyz
HELP 3 3963 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14881 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4070 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6000 June 17, 2012
by RogerFL
Programmable current source 6 5991 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5588 June 11, 2012
by mongo
HELP 6 4295 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4684 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 50747 May 24, 2012
by Ralphxyz
i need a code 8 4697 May 15, 2012
by pcbolt
Clock Accuracy 30 9348 May 14, 2012
by HexManiac
Relays and Controlling them 9 4653 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4934 May 09, 2012
by RogerFL
Powering your NerdKit 7 4516 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4538 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7750 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4950 April 24, 2012
by pcbolt
Programs will not run 6 4425 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5044 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4736 April 09, 2012
by Ralphxyz
Path Lights controller 2 4291 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4410 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4935 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4506 April 01, 2012
by JamesFysh
Question on LCD screen 5 4513 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4471 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5779 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5406 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9103 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4604 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5769 March 15, 2012
by mongo
Digital servo issues! 9 5105 March 15, 2012
by Rick_S
Brushless motor control 16 5453 March 12, 2012
by hevans
Windows not detecting device 3 4246 March 10, 2012
by hevans
Voltage throught MCU 5 4263 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20103 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11842 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21040 March 01, 2012
by hevans
Up and running... 3 4059 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4720 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5079 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4299 February 24, 2012
by Rick_S
programming lcd trubs 7 4382 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5078 February 18, 2012
by Rick_S
Oscilloscope 15 6348 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10837 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5519 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4704 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11314 February 09, 2012
by mongo
Data transmission 3 5258 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5064 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6634 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4547 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4107 January 31, 2012
by tchilzer2
H bridge questions 6 4879 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4622 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5051 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5250 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8369 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4907 January 15, 2012
by Rick_S
Source of power? 19 5044 January 13, 2012
by mongo
symbol defined please? 4 4743 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 17991 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4642 January 06, 2012
by boxvic
Basic LED circuit properties 8 4859 January 06, 2012
by boxvic
Getting Started 3 4340 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5524 January 02, 2012
by bodangly
SMD reflow 16 5624 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4590 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5263 December 23, 2011
by BobaMosfet
Potentiometer 8 6198 December 23, 2011
by huzbum
Fun with Op-Amps 3 6439 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5509 December 19, 2011
by n1cl3
Odessy of the minds 5 4786 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4152 November 27, 2011
by sazD
Initial Load 2 4822 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5523 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6215 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4893 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10016 November 10, 2011
by jfbrink
Servo Squitter Project 13 4623 November 09, 2011
by Heed
how do i run a program 4 4196 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4451 November 07, 2011
by Heed
Motor control question 2 4242 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9867 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4494 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4379 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 96391 October 24, 2011
by glendon
Measuring Capacitance 9 5916 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4538 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6287 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 22841 October 16, 2011
by sask55
RxD / TxD Questions 10 7708 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4622 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4518 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4803 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4316 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13651 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5979 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24406 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13075 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4247 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7807 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13825 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8914 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5360 September 01, 2011
by BobaMosfet
Dim LED 3 4189 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4719 August 23, 2011
by Twarter369
Easy Transistor Question 4 5344 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7091 August 18, 2011
by Ralphxyz
Building a coil?? 12 7113 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4618 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4263 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4096 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4041 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24120 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5374 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4781 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4495 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4533 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7311 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4190 July 17, 2011
by codenamejupiterx
avr macpack 3 4563 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4553 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4635 July 13, 2011
by BobaMosfet
Battery clip wires 3 4123 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3991 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4299 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4537 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4948 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25243 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4499 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4740 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6823 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4768 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4787 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4701 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5258 June 06, 2011
by mja
A couple of questions 3 4405 June 06, 2011
by Ralphxyz
How much should I strip? 3 4475 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4968 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4355 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4687 May 29, 2011
by Rick_S
Digital Input Question 4 4423 May 28, 2011
by frankdwest
PCB arrived 20 4418 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5063 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24012 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5007 May 09, 2011
by Noter
IR current 6 4725 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5431 May 04, 2011
by hariharan
Heat sensors 21 5808 May 04, 2011
by Hexorg
error 1 2 4288 May 02, 2011
by hevans
Transistor vs mosfet 13 12550 May 01, 2011
by Noter
PCB trace width calculator 3 5882 April 24, 2011
by esoderberg
OLED display 10 5587 April 23, 2011
by Rick_S
Power Supplies 17 6150 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4248 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4954 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4391 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5407 April 19, 2011
by mongo
Connecting to external control voltages 4 4371 April 19, 2011
by bretm
IR current question 7 4482 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5275 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5457 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4738 April 10, 2011
by uml_12
Basic projects 3 4413 April 09, 2011
by mongo
REFLOW oven 22 7358 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14641 April 07, 2011
by bretm
unexpected MCU rebooting 82 9369 April 05, 2011
by sask55
REFLOW Soldering 3 5326 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4703 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7038 March 30, 2011
by bretm
Black Display on LCD 6 4682 March 28, 2011
by Druidman
32kHz clock 2 4333 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11483 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 11992 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6530 March 16, 2011
by mongo
LCD problem 3 4726 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5327 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5433 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4435 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8107 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5374 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5303 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12363 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9046 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5988 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9439 February 19, 2011
by Lusitania
My first Impression 6 4833 February 16, 2011
by devinsbusiness
Understanding battery life 3 6105 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5734 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5362 February 05, 2011
by BobaMosfet
High voltage lines 26 7523 February 02, 2011
by mongo
USB 3 4389 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5442 February 02, 2011
by Jalex
Alternating LED circuit 4 5338 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6665 January 31, 2011
by il1019
Affordable oscilloscopes 43 14787 January 27, 2011
by BStory
"And"gate unfinished thought 2 4527 January 27, 2011
by Hexorg
replace MCU? 30 9566 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5089 January 25, 2011
by Ralphxyz
Multimeter! 12 7377 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6026 January 25, 2011
by Jalex
My LED Cube so far 25 10808 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5840 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5263 January 18, 2011
by dgikuljot
Counting 5 4475 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9120 January 17, 2011
by bretm
Programming 5 5343 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5542 January 11, 2011
by Yourself
Begining 7 5618 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6012 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5350 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4646 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5187 January 06, 2011
by Mujda
Data input voltage 6 5181 January 03, 2011
by Rick_S
MOSFET Question 7 5337 December 31, 2010
by Keyster
Transistor as a switch 5 5374 December 29, 2010
by Hexorg
Resistors 5 5732 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10636 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5592 December 28, 2010
by BobaMosfet
Relay ratings 2 4907 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20231 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4746 December 17, 2010
by mongo
Power Rectifier 7 7034 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7360 December 14, 2010
by danuke
This a decent oscilloscope? 8 5144 December 14, 2010
by danuke
Do resistors in series really add up? 8 6547 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5962 December 09, 2010
by bretm
L293 H-Bridge 15 6646 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6849 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7013 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5942 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6457 November 24, 2010
by BobaMosfet
Op-amp not working 6 6737 November 24, 2010
by BobaMosfet
Python questions 4 5702 November 21, 2010
by tkopriva
CE Amp design 5 5232 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5152 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4995 November 05, 2010
by Mujda
PC4 not working?! 8 4858 November 04, 2010
by hapshetsut
Amplifiers 4 4821 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5681 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5768 October 04, 2010
by Scythium
radio interference from NerdKit 11 4871 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9518 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5371 September 11, 2010
by akajester
QFP and dreadboard 2 5272 September 02, 2010
by bretm
Getting power to the spinning part... 5 5142 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13069 August 30, 2010
by Ralphxyz
morse code decoder 2 5257 August 26, 2010
by jonathan_m
Connecting to Computer 3 5230 August 25, 2010
by awesome
555 astable on breadboard 12 6751 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4862 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5360 August 19, 2010
by hevans
mosfet 3 4626 August 13, 2010
by hevans
Good material on learning electronics. 8 5617 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4504 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7167 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6431 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9793 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6911 July 02, 2010
by mongo
Electro Cardio Gram 4 5776 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4556 June 12, 2010
by Wobbler
Voltage Regulator 20 6279 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5816 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6491 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6145 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5332 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4570 June 06, 2010
by Kafke
TSSOP IC! 4 5339 June 03, 2010
by mrobbins
AVcc 2 5568 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4776 May 31, 2010
by hevans
Cable Driver 2 4453 May 31, 2010
by mongo
Best 9V adapter to use 2 4893 May 28, 2010
by mongo
Unidirectional microphones 5 5144 May 27, 2010
by mongo
Servo question 3 4606 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5311 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5151 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6838 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11740 May 21, 2010
by hevans
Chinese Solenoid 15 5123 May 10, 2010
by treymd
avrisp mkii circuit 4 6343 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4682 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 9986 May 07, 2010
by rajabalu21
Simple Power Switch 6 4777 May 05, 2010
by avicell
I can haz speed! 3 5121 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6624 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5455 April 21, 2010
by bretm
Help with choosing the right resistor 10 6566 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11229 April 15, 2010
by bretm
Resistor 4 4484 April 15, 2010
by mongo
MCU digital input pins 3 4666 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4971 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10849 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6923 March 28, 2010
by carlhako
Laptop ground safety question 3 5000 March 27, 2010
by ese
LM34 R-C Damper 5 6574 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5302 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4583 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6610 March 23, 2010
by ese
constant system reset 3 4494 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5256 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6324 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5595 March 17, 2010
by Frozenlock
What is -VS? 6 8650 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6413 March 04, 2010
by treymd
Using MCU to connect two wires 3 5491 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10209 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4913 March 02, 2010
by Solorbob
Deciphering power resistors 11 5294 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4688 March 01, 2010
by nrotstan
Understanding LEDs 16 7874 March 01, 2010
by michaeldallas
What's the part I need? 5 4801 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11825 February 23, 2010
by rajabalu21
Too much power? 14 5538 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6217 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6143 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13617 February 18, 2010
by Rick_S
Serial port interface circuit 2 5699 February 17, 2010
by mongo
OBDII project 3 4757 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8327 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7500 February 13, 2010
by BobaMosfet
Digital pots 5 4997 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5309 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6167 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7573 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7718 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5573 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7295 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11119 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5925 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5150 December 27, 2009
by jgauthier
Servo Signal Noise 2 4711 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8059 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11509 December 10, 2009
by georgio
Relays and transistors 12 9511 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9569 December 09, 2009
by Rick_S
IR Detector 7 9061 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5763 November 19, 2009
by mikedoug
Debug with lcd 6 5710 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5194 November 15, 2009
by tech20
Understanding output pin characteristics 4 5075 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7054 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5364 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 48908 October 30, 2009
by BobaMosfet
DIY header unit 2 5546 October 10, 2009
by rusirius
Thermostat Logging 6 7186 October 09, 2009
by luke
Understanding transistors 6 6889 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10860 October 07, 2009
by mikedoug
Currant booster 3 4698 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5685 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13690 August 27, 2009
by hevans
Which LED? 14 5448 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6482 August 07, 2009
by mongo
pull up, pull down resistors 7 17871 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11810 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7724 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7110 July 07, 2009
by sector0
Reset switch for circuit 3 5365 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31983 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6479 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5249 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5391 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5883 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5215 May 06, 2009
by paulip

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