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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8708 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8117 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6861 April 12, 2016
by Ralphxyz
USBasp Help! 3 5760 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 7976 May 04, 2015
by mongo
Need to replace Wall Watt 16 5275 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4939 April 10, 2015
by Noter
My new 3D Printer 44 20502 April 07, 2015
by Rick_S
AtMega 644 2 5010 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4058 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4706 June 02, 2014
by JKITSON
Automated programming mode? 9 4993 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4574 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4589 January 28, 2014
by lailai
What kind of error is this? 4 4428 January 23, 2014
by Noter
How to double a DC voltage? 20 11782 January 12, 2014
by JKITSON
Is the code the driver? 2 4274 January 12, 2014
by Ralphxyz
Miniature headers 6 4531 January 01, 2014
by Ralphxyz
BLDC 8 4598 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5168 November 26, 2013
by Rick_S
GLCD SPI problems 14 8448 November 10, 2013
by andyi
Moving on... 7 4406 November 08, 2013
by Pr0ject
Power supply questions 4 5940 October 31, 2013
by sask55
OLED 4 4165 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16113 September 22, 2013
by sask55
Opto Interrupter once again 14 8813 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4595 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11534 September 02, 2013
by Ralphxyz
USB cable specifications 7 6055 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5075 August 27, 2013
by Affarram
XMEGA Breakout 8 5445 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4143 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4815 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4841 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11085 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15733 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4127 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4748 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66011 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3949 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4468 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8630 March 14, 2013
by mongo
Current vs Voltage 8 5564 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5165 March 09, 2013
by lnino
Electric current 2 3941 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6881 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9584 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9030 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5005 February 24, 2013
by lnino
Relay Question 27 8259 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7926 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5429 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5323 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5079 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4690 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5304 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4654 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5488 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4010 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4103 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4589 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10002 November 18, 2012
by carlhako
SPI slave clock 6 4793 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4197 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 30902 October 23, 2012
by Noter
NPN circuit connection quandry 4 4769 September 24, 2012
by edb
Simple I/O circuit 4 4422 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4210 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3888 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6669 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4426 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6801 September 13, 2012
by dan_engbers
Electronics simulation 8 5069 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7177 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4328 August 20, 2012
by rblalock
louder sound 2 4107 August 18, 2012
by mongo
connector or cable for LCD display? 4 4321 August 13, 2012
by missle3944
Powering L.E.Ds 5 4449 August 09, 2012
by BobaMosfet
Wires in U.K 5 4920 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4826 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7772 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7468 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5255 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22755 July 21, 2012
by lnino
um help 6 3920 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4955 July 18, 2012
by Ralphxyz
help me 11 4808 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4206 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5499 June 24, 2012
by Ralphxyz
HELP 3 3956 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14871 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4065 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5993 June 17, 2012
by RogerFL
Programmable current source 6 5978 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5582 June 11, 2012
by mongo
HELP 6 4286 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4675 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 50713 May 24, 2012
by Ralphxyz
i need a code 8 4690 May 15, 2012
by pcbolt
Clock Accuracy 30 9340 May 14, 2012
by HexManiac
Relays and Controlling them 9 4648 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4928 May 09, 2012
by RogerFL
Powering your NerdKit 7 4510 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4534 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7743 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4945 April 24, 2012
by pcbolt
Programs will not run 6 4418 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5037 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4731 April 09, 2012
by Ralphxyz
Path Lights controller 2 4287 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4406 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4926 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4500 April 01, 2012
by JamesFysh
Question on LCD screen 5 4510 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4461 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5771 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5398 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9096 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4598 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5759 March 15, 2012
by mongo
Digital servo issues! 9 5099 March 15, 2012
by Rick_S
Brushless motor control 16 5447 March 12, 2012
by hevans
Windows not detecting device 3 4240 March 10, 2012
by hevans
Voltage throught MCU 5 4255 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20088 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11827 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21008 March 01, 2012
by hevans
Up and running... 3 4051 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4713 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5073 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4294 February 24, 2012
by Rick_S
programming lcd trubs 7 4370 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5072 February 18, 2012
by Rick_S
Oscilloscope 15 6340 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10827 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5513 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4698 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11295 February 09, 2012
by mongo
Data transmission 3 5253 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5055 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6625 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4543 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4100 January 31, 2012
by tchilzer2
H bridge questions 6 4875 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4616 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5041 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5244 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8359 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4896 January 15, 2012
by Rick_S
Source of power? 19 5035 January 13, 2012
by mongo
symbol defined please? 4 4734 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 17975 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4635 January 06, 2012
by boxvic
Basic LED circuit properties 8 4853 January 06, 2012
by boxvic
Getting Started 3 4333 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5518 January 02, 2012
by bodangly
SMD reflow 16 5617 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4583 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5257 December 23, 2011
by BobaMosfet
Potentiometer 8 6188 December 23, 2011
by huzbum
Fun with Op-Amps 3 6428 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5501 December 19, 2011
by n1cl3
Odessy of the minds 5 4781 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4145 November 27, 2011
by sazD
Initial Load 2 4817 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5516 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6205 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4887 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10008 November 10, 2011
by jfbrink
Servo Squitter Project 13 4614 November 09, 2011
by Heed
how do i run a program 4 4191 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4445 November 07, 2011
by Heed
Motor control question 2 4239 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9856 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4487 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4374 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 96350 October 24, 2011
by glendon
Measuring Capacitance 9 5910 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4533 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6281 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 22829 October 16, 2011
by sask55
RxD / TxD Questions 10 7705 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4615 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4509 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4799 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4309 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13626 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5974 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24395 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13063 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4242 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7802 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13811 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8907 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5353 September 01, 2011
by BobaMosfet
Dim LED 3 4185 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4712 August 23, 2011
by Twarter369
Easy Transistor Question 4 5339 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7080 August 18, 2011
by Ralphxyz
Building a coil?? 12 7106 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4614 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4259 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4089 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4036 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24108 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5369 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4775 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4486 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4529 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7304 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4184 July 17, 2011
by codenamejupiterx
avr macpack 3 4558 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4544 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4631 July 13, 2011
by BobaMosfet
Battery clip wires 3 4121 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3984 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4290 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4531 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4942 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25233 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4496 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4734 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6813 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4764 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4782 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4697 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5247 June 06, 2011
by mja
A couple of questions 3 4401 June 06, 2011
by Ralphxyz
How much should I strip? 3 4470 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4964 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4345 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4676 May 29, 2011
by Rick_S
Digital Input Question 4 4419 May 28, 2011
by frankdwest
PCB arrived 20 4412 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5059 May 24, 2011
by gcharris
Calculating bypass capacitor 6 23998 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5001 May 09, 2011
by Noter
IR current 6 4718 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5425 May 04, 2011
by hariharan
Heat sensors 21 5800 May 04, 2011
by Hexorg
error 1 2 4278 May 02, 2011
by hevans
Transistor vs mosfet 13 12538 May 01, 2011
by Noter
PCB trace width calculator 3 5877 April 24, 2011
by esoderberg
OLED display 10 5582 April 23, 2011
by Rick_S
Power Supplies 17 6142 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4245 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4950 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4383 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5402 April 19, 2011
by mongo
Connecting to external control voltages 4 4365 April 19, 2011
by bretm
IR current question 7 4478 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5272 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5451 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4734 April 10, 2011
by uml_12
Basic projects 3 4408 April 09, 2011
by mongo
REFLOW oven 22 7349 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14632 April 07, 2011
by bretm
unexpected MCU rebooting 82 9358 April 05, 2011
by sask55
REFLOW Soldering 3 5322 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4697 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7033 March 30, 2011
by bretm
Black Display on LCD 6 4677 March 28, 2011
by Druidman
32kHz clock 2 4326 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11475 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 11974 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6521 March 16, 2011
by mongo
LCD problem 3 4722 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5322 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5425 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4431 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8096 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5369 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5298 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12356 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9037 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5983 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9432 February 19, 2011
by Lusitania
My first Impression 6 4827 February 16, 2011
by devinsbusiness
Understanding battery life 3 6097 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5725 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5352 February 05, 2011
by BobaMosfet
High voltage lines 26 7515 February 02, 2011
by mongo
USB 3 4384 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5436 February 02, 2011
by Jalex
Alternating LED circuit 4 5331 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6660 January 31, 2011
by il1019
Affordable oscilloscopes 43 14767 January 27, 2011
by BStory
"And"gate unfinished thought 2 4519 January 27, 2011
by Hexorg
replace MCU? 30 9553 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5082 January 25, 2011
by Ralphxyz
Multimeter! 12 7371 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6018 January 25, 2011
by Jalex
My LED Cube so far 25 10800 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5836 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5257 January 18, 2011
by dgikuljot
Counting 5 4469 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9109 January 17, 2011
by bretm
Programming 5 5333 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5537 January 11, 2011
by Yourself
Begining 7 5614 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6006 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5346 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4641 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5180 January 06, 2011
by Mujda
Data input voltage 6 5175 January 03, 2011
by Rick_S
MOSFET Question 7 5333 December 31, 2010
by Keyster
Transistor as a switch 5 5368 December 29, 2010
by Hexorg
Resistors 5 5725 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10628 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5585 December 28, 2010
by BobaMosfet
Relay ratings 2 4901 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20224 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4742 December 17, 2010
by mongo
Power Rectifier 7 6991 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7352 December 14, 2010
by danuke
This a decent oscilloscope? 8 5140 December 14, 2010
by danuke
Do resistors in series really add up? 8 6544 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5955 December 09, 2010
by bretm
L293 H-Bridge 15 6641 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6842 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7009 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5934 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6444 November 24, 2010
by BobaMosfet
Op-amp not working 6 6732 November 24, 2010
by BobaMosfet
Python questions 4 5699 November 21, 2010
by tkopriva
CE Amp design 5 5221 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5142 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4987 November 05, 2010
by Mujda
PC4 not working?! 8 4851 November 04, 2010
by hapshetsut
Amplifiers 4 4818 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5674 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5759 October 04, 2010
by Scythium
radio interference from NerdKit 11 4862 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9508 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5367 September 11, 2010
by akajester
QFP and dreadboard 2 5267 September 02, 2010
by bretm
Getting power to the spinning part... 5 5138 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13060 August 30, 2010
by Ralphxyz
morse code decoder 2 5251 August 26, 2010
by jonathan_m
Connecting to Computer 3 5225 August 25, 2010
by awesome
555 astable on breadboard 12 6743 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4851 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5354 August 19, 2010
by hevans
mosfet 3 4620 August 13, 2010
by hevans
Good material on learning electronics. 8 5613 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4497 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7159 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6425 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9782 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6907 July 02, 2010
by mongo
Electro Cardio Gram 4 5768 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4546 June 12, 2010
by Wobbler
Voltage Regulator 20 6275 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5806 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6482 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6135 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5324 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4566 June 06, 2010
by Kafke
TSSOP IC! 4 5335 June 03, 2010
by mrobbins
AVcc 2 5564 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4773 May 31, 2010
by hevans
Cable Driver 2 4448 May 31, 2010
by mongo
Best 9V adapter to use 2 4888 May 28, 2010
by mongo
Unidirectional microphones 5 5136 May 27, 2010
by mongo
Servo question 3 4601 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5305 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5147 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6831 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11724 May 21, 2010
by hevans
Chinese Solenoid 15 5116 May 10, 2010
by treymd
avrisp mkii circuit 4 6339 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4674 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 9979 May 07, 2010
by rajabalu21
Simple Power Switch 6 4771 May 05, 2010
by avicell
I can haz speed! 3 5115 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6620 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5448 April 21, 2010
by bretm
Help with choosing the right resistor 10 6557 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11207 April 15, 2010
by bretm
Resistor 4 4479 April 15, 2010
by mongo
MCU digital input pins 3 4658 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4967 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10840 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6915 March 28, 2010
by carlhako
Laptop ground safety question 3 4995 March 27, 2010
by ese
LM34 R-C Damper 5 6568 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5295 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4574 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6601 March 23, 2010
by ese
constant system reset 3 4486 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5250 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6317 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5589 March 17, 2010
by Frozenlock
What is -VS? 6 8645 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6407 March 04, 2010
by treymd
Using MCU to connect two wires 3 5484 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10124 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4904 March 02, 2010
by Solorbob
Deciphering power resistors 11 5288 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4681 March 01, 2010
by nrotstan
Understanding LEDs 16 7864 March 01, 2010
by michaeldallas
What's the part I need? 5 4794 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11817 February 23, 2010
by rajabalu21
Too much power? 14 5534 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6212 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6135 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13608 February 18, 2010
by Rick_S
Serial port interface circuit 2 5690 February 17, 2010
by mongo
OBDII project 3 4752 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8321 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7492 February 13, 2010
by BobaMosfet
Digital pots 5 4992 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5299 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6155 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7570 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7712 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5562 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7291 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11093 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5919 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5142 December 27, 2009
by jgauthier
Servo Signal Noise 2 4707 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8052 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11503 December 10, 2009
by georgio
Relays and transistors 12 9506 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9562 December 09, 2009
by Rick_S
IR Detector 7 9050 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5752 November 19, 2009
by mikedoug
Debug with lcd 6 5704 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5188 November 15, 2009
by tech20
Understanding output pin characteristics 4 5069 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7037 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5352 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 48888 October 30, 2009
by BobaMosfet
DIY header unit 2 5543 October 10, 2009
by rusirius
Thermostat Logging 6 7178 October 09, 2009
by luke
Understanding transistors 6 6882 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10854 October 07, 2009
by mikedoug
Currant booster 3 4692 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5679 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13676 August 27, 2009
by hevans
Which LED? 14 5440 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6475 August 07, 2009
by mongo
pull up, pull down resistors 7 17866 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11803 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7715 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7106 July 07, 2009
by sector0
Reset switch for circuit 3 5356 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31979 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6474 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5244 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5384 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5874 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5208 May 06, 2009
by paulip

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