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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8855 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8243 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6966 April 12, 2016
by Ralphxyz
USBasp Help! 3 5866 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8118 May 04, 2015
by mongo
Need to replace Wall Watt 16 5369 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5021 April 10, 2015
by Noter
My new 3D Printer 44 20597 April 07, 2015
by Rick_S
AtMega 644 2 5071 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4119 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4794 June 02, 2014
by JKITSON
Automated programming mode? 9 5077 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4650 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4692 January 28, 2014
by lailai
What kind of error is this? 4 4489 January 23, 2014
by Noter
How to double a DC voltage? 20 11887 January 12, 2014
by JKITSON
Is the code the driver? 2 4372 January 12, 2014
by Ralphxyz
Miniature headers 6 4590 January 01, 2014
by Ralphxyz
BLDC 8 4674 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5274 November 26, 2013
by Rick_S
GLCD SPI problems 14 8539 November 10, 2013
by andyi
Moving on... 7 4485 November 08, 2013
by Pr0ject
Power supply questions 4 6054 October 31, 2013
by sask55
OLED 4 4252 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16258 September 22, 2013
by sask55
Opto Interrupter once again 14 8935 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4661 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11664 September 02, 2013
by Ralphxyz
USB cable specifications 7 6203 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5182 August 27, 2013
by Affarram
XMEGA Breakout 8 5540 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4214 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4883 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4930 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11337 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15992 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4204 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4818 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66261 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4012 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4572 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8736 March 14, 2013
by mongo
Current vs Voltage 8 5645 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5226 March 09, 2013
by lnino
Electric current 2 4002 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6940 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9696 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9222 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5086 February 24, 2013
by lnino
Relay Question 27 8338 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8025 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5515 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5382 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5156 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4746 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5423 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4735 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5564 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4082 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4157 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4636 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10192 November 18, 2012
by carlhako
SPI slave clock 6 4875 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4261 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31147 October 23, 2012
by Noter
NPN circuit connection quandry 4 4838 September 24, 2012
by edb
Simple I/O circuit 4 4492 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4269 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3994 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6804 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4484 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6871 September 13, 2012
by dan_engbers
Electronics simulation 8 5124 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7268 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4398 August 20, 2012
by rblalock
louder sound 2 4167 August 18, 2012
by mongo
connector or cable for LCD display? 4 4383 August 13, 2012
by missle3944
Powering L.E.Ds 5 4512 August 09, 2012
by BobaMosfet
Wires in U.K 5 4984 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4896 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7886 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7546 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5348 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22866 July 21, 2012
by lnino
um help 6 3971 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5025 July 18, 2012
by Ralphxyz
help me 11 4880 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4269 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5589 June 24, 2012
by Ralphxyz
HELP 3 4027 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14999 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4132 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6058 June 17, 2012
by RogerFL
Programmable current source 6 6102 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5651 June 11, 2012
by mongo
HELP 6 4352 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4753 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52033 May 24, 2012
by Ralphxyz
i need a code 8 4755 May 15, 2012
by pcbolt
Clock Accuracy 30 9418 May 14, 2012
by HexManiac
Relays and Controlling them 9 4727 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4993 May 09, 2012
by RogerFL
Powering your NerdKit 7 4577 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4600 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7835 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5002 April 24, 2012
by pcbolt
Programs will not run 6 4495 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5125 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4786 April 09, 2012
by Ralphxyz
Path Lights controller 2 4358 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4472 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5012 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4570 April 01, 2012
by JamesFysh
Question on LCD screen 5 4567 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4538 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5865 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5477 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9196 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4655 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5922 March 15, 2012
by mongo
Digital servo issues! 9 5174 March 15, 2012
by Rick_S
Brushless motor control 16 5519 March 12, 2012
by hevans
Windows not detecting device 3 4315 March 10, 2012
by hevans
Voltage throught MCU 5 4325 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20213 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11958 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21237 March 01, 2012
by hevans
Up and running... 3 4118 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4781 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5131 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4361 February 24, 2012
by Rick_S
programming lcd trubs 7 4480 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5149 February 18, 2012
by Rick_S
Oscilloscope 15 6420 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10938 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5571 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4763 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11551 February 09, 2012
by mongo
Data transmission 3 5312 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5116 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6698 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4610 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4159 January 31, 2012
by tchilzer2
H bridge questions 6 4948 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4698 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5118 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5313 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8444 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4982 January 15, 2012
by Rick_S
Source of power? 19 5116 January 13, 2012
by mongo
symbol defined please? 4 4794 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18157 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4696 January 06, 2012
by boxvic
Basic LED circuit properties 8 4928 January 06, 2012
by boxvic
Getting Started 3 4394 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5580 January 02, 2012
by bodangly
SMD reflow 16 5697 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4649 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5315 December 23, 2011
by BobaMosfet
Potentiometer 8 6279 December 23, 2011
by huzbum
Fun with Op-Amps 3 6519 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5608 December 19, 2011
by n1cl3
Odessy of the minds 5 4843 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4222 November 27, 2011
by sazD
Initial Load 2 4875 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5597 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6280 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4939 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10096 November 10, 2011
by jfbrink
Servo Squitter Project 13 4681 November 09, 2011
by Heed
how do i run a program 4 4244 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4503 November 07, 2011
by Heed
Motor control question 2 4290 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9990 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4554 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4434 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 96852 October 24, 2011
by glendon
Measuring Capacitance 9 5988 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4590 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6346 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23092 October 16, 2011
by sask55
RxD / TxD Questions 10 7829 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4675 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4567 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4859 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4360 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13881 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6044 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24530 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13272 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4300 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7875 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13990 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8981 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5430 September 01, 2011
by BobaMosfet
Dim LED 3 4256 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4773 August 23, 2011
by Twarter369
Easy Transistor Question 4 5414 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7182 August 18, 2011
by Ralphxyz
Building a coil?? 12 7184 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4674 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4321 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4164 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4097 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24233 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5425 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4836 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4549 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4590 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7374 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4249 July 17, 2011
by codenamejupiterx
avr macpack 3 4618 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4615 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4710 July 13, 2011
by BobaMosfet
Battery clip wires 3 4165 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4052 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4346 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4589 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5044 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25366 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4567 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4798 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6903 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4846 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4860 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4749 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5322 June 06, 2011
by mja
A couple of questions 3 4468 June 06, 2011
by Ralphxyz
How much should I strip? 3 4539 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5025 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4422 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4753 May 29, 2011
by Rick_S
Digital Input Question 4 4486 May 28, 2011
by frankdwest
PCB arrived 20 4479 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5118 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24136 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5070 May 09, 2011
by Noter
IR current 6 4772 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5496 May 04, 2011
by hariharan
Heat sensors 21 5866 May 04, 2011
by Hexorg
error 1 2 4373 May 02, 2011
by hevans
Transistor vs mosfet 13 12638 May 01, 2011
by Noter
PCB trace width calculator 3 5936 April 24, 2011
by esoderberg
OLED display 10 5650 April 23, 2011
by Rick_S
Power Supplies 17 6197 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4297 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5002 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4446 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5476 April 19, 2011
by mongo
Connecting to external control voltages 4 4421 April 19, 2011
by bretm
IR current question 7 4549 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5329 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5531 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4789 April 10, 2011
by uml_12
Basic projects 3 4468 April 09, 2011
by mongo
REFLOW oven 22 7423 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14765 April 07, 2011
by bretm
unexpected MCU rebooting 82 9465 April 05, 2011
by sask55
REFLOW Soldering 3 5416 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4762 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7108 March 30, 2011
by bretm
Black Display on LCD 6 4731 March 28, 2011
by Druidman
32kHz clock 2 4389 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11601 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12153 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6602 March 16, 2011
by mongo
LCD problem 3 4779 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5396 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5478 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4488 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8200 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5427 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5380 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12418 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9158 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6055 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9508 February 19, 2011
by Lusitania
My first Impression 6 4896 February 16, 2011
by devinsbusiness
Understanding battery life 3 6219 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5792 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5428 February 05, 2011
by BobaMosfet
High voltage lines 26 7621 February 02, 2011
by mongo
USB 3 4439 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5518 February 02, 2011
by Jalex
Alternating LED circuit 4 5394 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6729 January 31, 2011
by il1019
Affordable oscilloscopes 43 14999 January 27, 2011
by BStory
"And"gate unfinished thought 2 4587 January 27, 2011
by Hexorg
replace MCU? 30 9681 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5156 January 25, 2011
by Ralphxyz
Multimeter! 12 7445 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6093 January 25, 2011
by Jalex
My LED Cube so far 25 10866 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5884 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5324 January 18, 2011
by dgikuljot
Counting 5 4535 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9197 January 17, 2011
by bretm
Programming 5 5418 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5605 January 11, 2011
by Yourself
Begining 7 5686 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6074 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5403 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4719 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5250 January 06, 2011
by Mujda
Data input voltage 6 5255 January 03, 2011
by Rick_S
MOSFET Question 7 5400 December 31, 2010
by Keyster
Transistor as a switch 5 5448 December 29, 2010
by Hexorg
Resistors 5 5804 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10740 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5659 December 28, 2010
by BobaMosfet
Relay ratings 2 4975 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20312 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4804 December 17, 2010
by mongo
Power Rectifier 7 7097 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7434 December 14, 2010
by danuke
This a decent oscilloscope? 8 5215 December 14, 2010
by danuke
Do resistors in series really add up? 8 6636 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6029 December 09, 2010
by bretm
L293 H-Bridge 15 6722 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6935 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7097 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6008 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6531 November 24, 2010
by BobaMosfet
Op-amp not working 6 6800 November 24, 2010
by BobaMosfet
Python questions 4 5759 November 21, 2010
by tkopriva
CE Amp design 5 5312 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5208 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5070 November 05, 2010
by Mujda
PC4 not working?! 8 4926 November 04, 2010
by hapshetsut
Amplifiers 4 4879 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5743 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5822 October 04, 2010
by Scythium
radio interference from NerdKit 11 4960 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9588 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5432 September 11, 2010
by akajester
QFP and dreadboard 2 5339 September 02, 2010
by bretm
Getting power to the spinning part... 5 5192 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13148 August 30, 2010
by Ralphxyz
morse code decoder 2 5309 August 26, 2010
by jonathan_m
Connecting to Computer 3 5295 August 25, 2010
by awesome
555 astable on breadboard 12 6801 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4914 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5413 August 19, 2010
by hevans
mosfet 3 4673 August 13, 2010
by hevans
Good material on learning electronics. 8 5674 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4560 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7268 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6499 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9887 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6968 July 02, 2010
by mongo
Electro Cardio Gram 4 5852 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4614 June 12, 2010
by Wobbler
Voltage Regulator 20 6340 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5890 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6554 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6206 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5399 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4624 June 06, 2010
by Kafke
TSSOP IC! 4 5405 June 03, 2010
by mrobbins
AVcc 2 5641 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4831 May 31, 2010
by hevans
Cable Driver 2 4517 May 31, 2010
by mongo
Best 9V adapter to use 2 4957 May 28, 2010
by mongo
Unidirectional microphones 5 5201 May 27, 2010
by mongo
Servo question 3 4669 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5364 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5217 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6894 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11852 May 21, 2010
by hevans
Chinese Solenoid 15 5195 May 10, 2010
by treymd
avrisp mkii circuit 4 6399 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4736 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10091 May 07, 2010
by rajabalu21
Simple Power Switch 6 4830 May 05, 2010
by avicell
I can haz speed! 3 5181 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6683 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5526 April 21, 2010
by bretm
Help with choosing the right resistor 10 6623 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11376 April 15, 2010
by bretm
Resistor 4 4533 April 15, 2010
by mongo
MCU digital input pins 3 4740 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5023 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10909 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6976 March 28, 2010
by carlhako
Laptop ground safety question 3 5057 March 27, 2010
by ese
LM34 R-C Damper 5 6635 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5353 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4659 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6669 March 23, 2010
by ese
constant system reset 3 4547 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5319 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6402 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5649 March 17, 2010
by Frozenlock
What is -VS? 6 8711 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6461 March 04, 2010
by treymd
Using MCU to connect two wires 3 5545 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10326 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4977 March 02, 2010
by Solorbob
Deciphering power resistors 11 5367 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4749 March 01, 2010
by nrotstan
Understanding LEDs 16 7961 March 01, 2010
by michaeldallas
What's the part I need? 5 4857 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11891 February 23, 2010
by rajabalu21
Too much power? 14 5604 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6269 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6211 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13741 February 18, 2010
by Rick_S
Serial port interface circuit 2 5753 February 17, 2010
by mongo
OBDII project 3 4818 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8421 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7577 February 13, 2010
by BobaMosfet
Digital pots 5 5045 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5372 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6249 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7653 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7787 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5613 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7392 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11216 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5989 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5199 December 27, 2009
by jgauthier
Servo Signal Noise 2 4759 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8138 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11587 December 10, 2009
by georgio
Relays and transistors 12 9578 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9647 December 09, 2009
by Rick_S
IR Detector 7 9170 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5818 November 19, 2009
by mikedoug
Debug with lcd 6 5771 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5244 November 15, 2009
by tech20
Understanding output pin characteristics 4 5147 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7146 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5423 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49079 October 30, 2009
by BobaMosfet
DIY header unit 2 5599 October 10, 2009
by rusirius
Thermostat Logging 6 7254 October 09, 2009
by luke
Understanding transistors 6 6945 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10925 October 07, 2009
by mikedoug
Currant booster 3 4759 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5741 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13776 August 27, 2009
by hevans
Which LED? 14 5508 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6541 August 07, 2009
by mongo
pull up, pull down resistors 7 17955 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11935 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7792 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7177 July 07, 2009
by sector0
Reset switch for circuit 3 5418 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32038 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6550 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5307 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5463 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5944 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5286 May 06, 2009
by paulip

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