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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8739 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8159 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6893 April 12, 2016
by Ralphxyz
USBasp Help! 3 5791 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8010 May 04, 2015
by mongo
Need to replace Wall Watt 16 5304 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4960 April 10, 2015
by Noter
My new 3D Printer 44 20529 April 07, 2015
by Rick_S
AtMega 644 2 5026 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4073 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4735 June 02, 2014
by JKITSON
Automated programming mode? 9 5024 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4595 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4619 January 28, 2014
by lailai
What kind of error is this? 4 4444 January 23, 2014
by Noter
How to double a DC voltage? 20 11814 January 12, 2014
by JKITSON
Is the code the driver? 2 4300 January 12, 2014
by Ralphxyz
Miniature headers 6 4542 January 01, 2014
by Ralphxyz
BLDC 8 4618 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5200 November 26, 2013
by Rick_S
GLCD SPI problems 14 8470 November 10, 2013
by andyi
Moving on... 7 4436 November 08, 2013
by Pr0ject
Power supply questions 4 5978 October 31, 2013
by sask55
OLED 4 4190 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16158 September 22, 2013
by sask55
Opto Interrupter once again 14 8847 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4610 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11578 September 02, 2013
by Ralphxyz
USB cable specifications 7 6099 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5110 August 27, 2013
by Affarram
XMEGA Breakout 8 5473 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4166 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4835 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4872 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11143 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15790 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4146 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4769 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66089 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3967 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4505 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8669 March 14, 2013
by mongo
Current vs Voltage 8 5590 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5183 March 09, 2013
by lnino
Electric current 2 3958 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6903 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9619 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9096 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5031 February 24, 2013
by lnino
Relay Question 27 8285 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7951 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5459 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5342 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5108 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4709 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5332 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4690 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5516 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4023 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4120 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4601 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10030 November 18, 2012
by carlhako
SPI slave clock 6 4820 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4218 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 30987 October 23, 2012
by Noter
NPN circuit connection quandry 4 4790 September 24, 2012
by edb
Simple I/O circuit 4 4439 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4228 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3926 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6711 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4445 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6822 September 13, 2012
by dan_engbers
Electronics simulation 8 5083 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7203 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4345 August 20, 2012
by rblalock
louder sound 2 4126 August 18, 2012
by mongo
connector or cable for LCD display? 4 4338 August 13, 2012
by missle3944
Powering L.E.Ds 5 4466 August 09, 2012
by BobaMosfet
Wires in U.K 5 4941 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4844 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7796 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7492 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5286 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22786 July 21, 2012
by lnino
um help 6 3938 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4982 July 18, 2012
by Ralphxyz
help me 11 4838 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4231 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5533 June 24, 2012
by Ralphxyz
HELP 3 3976 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14910 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4081 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6013 June 17, 2012
by RogerFL
Programmable current source 6 6022 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5603 June 11, 2012
by mongo
HELP 6 4311 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4703 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 50892 May 24, 2012
by Ralphxyz
i need a code 8 4709 May 15, 2012
by pcbolt
Clock Accuracy 30 9369 May 14, 2012
by HexManiac
Relays and Controlling them 9 4671 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4950 May 09, 2012
by RogerFL
Powering your NerdKit 7 4531 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4553 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7769 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4962 April 24, 2012
by pcbolt
Programs will not run 6 4444 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5064 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4748 April 09, 2012
by Ralphxyz
Path Lights controller 2 4313 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4423 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4961 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4529 April 01, 2012
by JamesFysh
Question on LCD screen 5 4528 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4488 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5804 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5423 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9129 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4614 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5795 March 15, 2012
by mongo
Digital servo issues! 9 5124 March 15, 2012
by Rick_S
Brushless motor control 16 5474 March 12, 2012
by hevans
Windows not detecting device 3 4266 March 10, 2012
by hevans
Voltage throught MCU 5 4281 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20133 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11867 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21085 March 01, 2012
by hevans
Up and running... 3 4075 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4736 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5094 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4317 February 24, 2012
by Rick_S
programming lcd trubs 7 4409 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5100 February 18, 2012
by Rick_S
Oscilloscope 15 6371 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10858 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5536 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4718 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11348 February 09, 2012
by mongo
Data transmission 3 5268 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5079 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6648 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4565 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4121 January 31, 2012
by tchilzer2
H bridge questions 6 4894 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4641 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5072 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5264 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8387 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4928 January 15, 2012
by Rick_S
Source of power? 19 5060 January 13, 2012
by mongo
symbol defined please? 4 4752 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18023 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4654 January 06, 2012
by boxvic
Basic LED circuit properties 8 4879 January 06, 2012
by boxvic
Getting Started 3 4351 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5542 January 02, 2012
by bodangly
SMD reflow 16 5641 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4606 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5275 December 23, 2011
by BobaMosfet
Potentiometer 8 6214 December 23, 2011
by huzbum
Fun with Op-Amps 3 6464 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5520 December 19, 2011
by n1cl3
Odessy of the minds 5 4799 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4166 November 27, 2011
by sazD
Initial Load 2 4833 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5543 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6232 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4904 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10038 November 10, 2011
by jfbrink
Servo Squitter Project 13 4639 November 09, 2011
by Heed
how do i run a program 4 4205 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4464 November 07, 2011
by Heed
Motor control question 2 4252 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9891 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4509 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4389 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 96464 October 24, 2011
by glendon
Measuring Capacitance 9 5943 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4551 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6303 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 22894 October 16, 2011
by sask55
RxD / TxD Questions 10 7751 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4633 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4532 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4821 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4326 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13695 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5996 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24432 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13108 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4258 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7826 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13863 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8931 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5377 September 01, 2011
by BobaMosfet
Dim LED 3 4207 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4730 August 23, 2011
by Twarter369
Easy Transistor Question 4 5361 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7110 August 18, 2011
by Ralphxyz
Building a coil?? 12 7134 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4633 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4279 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4106 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4050 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24146 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5388 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4791 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4506 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4546 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7323 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4207 July 17, 2011
by codenamejupiterx
avr macpack 3 4576 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4573 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4653 July 13, 2011
by BobaMosfet
Battery clip wires 3 4131 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4005 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4313 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4549 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4979 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25271 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4511 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4756 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6844 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4781 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4807 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4716 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5280 June 06, 2011
by mja
A couple of questions 3 4419 June 06, 2011
by Ralphxyz
How much should I strip? 3 4486 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4986 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4374 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4704 May 29, 2011
by Rick_S
Digital Input Question 4 4440 May 28, 2011
by frankdwest
PCB arrived 20 4431 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5077 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24046 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5026 May 09, 2011
by Noter
IR current 6 4737 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5448 May 04, 2011
by hariharan
Heat sensors 21 5821 May 04, 2011
by Hexorg
error 1 2 4312 May 02, 2011
by hevans
Transistor vs mosfet 13 12575 May 01, 2011
by Noter
PCB trace width calculator 3 5892 April 24, 2011
by esoderberg
OLED display 10 5606 April 23, 2011
by Rick_S
Power Supplies 17 6155 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4259 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4966 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4400 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5424 April 19, 2011
by mongo
Connecting to external control voltages 4 4383 April 19, 2011
by bretm
IR current question 7 4500 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5288 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5471 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4749 April 10, 2011
by uml_12
Basic projects 3 4425 April 09, 2011
by mongo
REFLOW oven 22 7373 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14666 April 07, 2011
by bretm
unexpected MCU rebooting 82 9388 April 05, 2011
by sask55
REFLOW Soldering 3 5345 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4718 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7057 March 30, 2011
by bretm
Black Display on LCD 6 4700 March 28, 2011
by Druidman
32kHz clock 2 4347 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11507 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12023 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6557 March 16, 2011
by mongo
LCD problem 3 4738 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5344 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5443 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4447 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8127 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5383 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5324 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12375 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9076 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6004 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9455 February 19, 2011
by Lusitania
My first Impression 6 4844 February 16, 2011
by devinsbusiness
Understanding battery life 3 6126 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5748 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5377 February 05, 2011
by BobaMosfet
High voltage lines 26 7546 February 02, 2011
by mongo
USB 3 4401 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5460 February 02, 2011
by Jalex
Alternating LED circuit 4 5349 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6679 January 31, 2011
by il1019
Affordable oscilloscopes 43 14828 January 27, 2011
by BStory
"And"gate unfinished thought 2 4543 January 27, 2011
by Hexorg
replace MCU? 30 9586 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5105 January 25, 2011
by Ralphxyz
Multimeter! 12 7391 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6045 January 25, 2011
by Jalex
My LED Cube so far 25 10820 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5848 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5274 January 18, 2011
by dgikuljot
Counting 5 4488 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9134 January 17, 2011
by bretm
Programming 5 5354 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5560 January 11, 2011
by Yourself
Begining 7 5634 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6030 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5362 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4660 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5202 January 06, 2011
by Mujda
Data input voltage 6 5199 January 03, 2011
by Rick_S
MOSFET Question 7 5351 December 31, 2010
by Keyster
Transistor as a switch 5 5391 December 29, 2010
by Hexorg
Resistors 5 5746 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10659 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5606 December 28, 2010
by BobaMosfet
Relay ratings 2 4917 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20246 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4759 December 17, 2010
by mongo
Power Rectifier 7 7049 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7382 December 14, 2010
by danuke
This a decent oscilloscope? 8 5157 December 14, 2010
by danuke
Do resistors in series really add up? 8 6578 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5973 December 09, 2010
by bretm
L293 H-Bridge 15 6665 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6865 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7035 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5953 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6479 November 24, 2010
by BobaMosfet
Op-amp not working 6 6751 November 24, 2010
by BobaMosfet
Python questions 4 5714 November 21, 2010
by tkopriva
CE Amp design 5 5249 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5168 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5023 November 05, 2010
by Mujda
PC4 not working?! 8 4871 November 04, 2010
by hapshetsut
Amplifiers 4 4834 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5698 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5779 October 04, 2010
by Scythium
radio interference from NerdKit 11 4890 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9534 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5382 September 11, 2010
by akajester
QFP and dreadboard 2 5287 September 02, 2010
by bretm
Getting power to the spinning part... 5 5151 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13089 August 30, 2010
by Ralphxyz
morse code decoder 2 5266 August 26, 2010
by jonathan_m
Connecting to Computer 3 5246 August 25, 2010
by awesome
555 astable on breadboard 12 6762 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4878 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5372 August 19, 2010
by hevans
mosfet 3 4637 August 13, 2010
by hevans
Good material on learning electronics. 8 5632 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4518 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7190 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6446 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9814 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6924 July 02, 2010
by mongo
Electro Cardio Gram 4 5795 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4568 June 12, 2010
by Wobbler
Voltage Regulator 20 6291 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5837 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6507 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6166 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5354 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4589 June 06, 2010
by Kafke
TSSOP IC! 4 5353 June 03, 2010
by mrobbins
AVcc 2 5586 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4788 May 31, 2010
by hevans
Cable Driver 2 4466 May 31, 2010
by mongo
Best 9V adapter to use 2 4908 May 28, 2010
by mongo
Unidirectional microphones 5 5164 May 27, 2010
by mongo
Servo question 3 4622 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5324 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5169 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6854 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11771 May 21, 2010
by hevans
Chinese Solenoid 15 5140 May 10, 2010
by treymd
avrisp mkii circuit 4 6355 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4697 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10005 May 07, 2010
by rajabalu21
Simple Power Switch 6 4794 May 05, 2010
by avicell
I can haz speed! 3 5138 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6636 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5470 April 21, 2010
by bretm
Help with choosing the right resistor 10 6582 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11294 April 15, 2010
by bretm
Resistor 4 4494 April 15, 2010
by mongo
MCU digital input pins 3 4683 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4979 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10864 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6939 March 28, 2010
by carlhako
Laptop ground safety question 3 5023 March 27, 2010
by ese
LM34 R-C Damper 5 6590 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5313 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4601 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6625 March 23, 2010
by ese
constant system reset 3 4508 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5270 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6344 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5611 March 17, 2010
by Frozenlock
What is -VS? 6 8664 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6422 March 04, 2010
by treymd
Using MCU to connect two wires 3 5503 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10228 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4923 March 02, 2010
by Solorbob
Deciphering power resistors 11 5312 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4703 March 01, 2010
by nrotstan
Understanding LEDs 16 7895 March 01, 2010
by michaeldallas
What's the part I need? 5 4813 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11840 February 23, 2010
by rajabalu21
Too much power? 14 5556 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6230 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6158 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13649 February 18, 2010
by Rick_S
Serial port interface circuit 2 5711 February 17, 2010
by mongo
OBDII project 3 4769 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8351 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7518 February 13, 2010
by BobaMosfet
Digital pots 5 5006 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5328 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6191 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7590 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7732 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5587 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7324 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11138 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5942 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5165 December 27, 2009
by jgauthier
Servo Signal Noise 2 4718 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8086 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11525 December 10, 2009
by georgio
Relays and transistors 12 9526 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9587 December 09, 2009
by Rick_S
IR Detector 7 9083 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5775 November 19, 2009
by mikedoug
Debug with lcd 6 5726 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5206 November 15, 2009
by tech20
Understanding output pin characteristics 4 5095 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7080 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5382 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 48948 October 30, 2009
by BobaMosfet
DIY header unit 2 5557 October 10, 2009
by rusirius
Thermostat Logging 6 7206 October 09, 2009
by luke
Understanding transistors 6 6905 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10873 October 07, 2009
by mikedoug
Currant booster 3 4718 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5708 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13707 August 27, 2009
by hevans
Which LED? 14 5458 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6501 August 07, 2009
by mongo
pull up, pull down resistors 7 17894 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11832 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7741 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7127 July 07, 2009
by sector0
Reset switch for circuit 3 5380 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31995 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6497 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5261 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5406 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5896 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5231 May 06, 2009
by paulip

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