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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8808 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8209 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6936 April 12, 2016
by Ralphxyz
USBasp Help! 3 5840 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8073 May 04, 2015
by mongo
Need to replace Wall Watt 16 5338 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4997 April 10, 2015
by Noter
My new 3D Printer 44 20567 April 07, 2015
by Rick_S
AtMega 644 2 5054 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4096 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4773 June 02, 2014
by JKITSON
Automated programming mode? 9 5050 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4625 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4663 January 28, 2014
by lailai
What kind of error is this? 4 4469 January 23, 2014
by Noter
How to double a DC voltage? 20 11858 January 12, 2014
by JKITSON
Is the code the driver? 2 4347 January 12, 2014
by Ralphxyz
Miniature headers 6 4569 January 01, 2014
by Ralphxyz
BLDC 8 4651 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5247 November 26, 2013
by Rick_S
GLCD SPI problems 14 8513 November 10, 2013
by andyi
Moving on... 7 4465 November 08, 2013
by Pr0ject
Power supply questions 4 6023 October 31, 2013
by sask55
OLED 4 4223 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16219 September 22, 2013
by sask55
Opto Interrupter once again 14 8899 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4638 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11628 September 02, 2013
by Ralphxyz
USB cable specifications 7 6164 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5151 August 27, 2013
by Affarram
XMEGA Breakout 8 5512 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4194 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4862 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4909 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11256 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15869 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4179 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4797 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66176 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3991 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4543 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8714 March 14, 2013
by mongo
Current vs Voltage 8 5620 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5209 March 09, 2013
by lnino
Electric current 2 3987 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6924 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9669 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9179 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5064 February 24, 2013
by lnino
Relay Question 27 8317 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7988 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5491 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5365 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5135 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4726 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5387 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4715 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5543 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4060 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4140 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4619 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10154 November 18, 2012
by carlhako
SPI slave clock 6 4853 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4242 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31078 October 23, 2012
by Noter
NPN circuit connection quandry 4 4816 September 24, 2012
by edb
Simple I/O circuit 4 4472 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4254 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3971 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6763 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4468 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6849 September 13, 2012
by dan_engbers
Electronics simulation 8 5104 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7235 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4378 August 20, 2012
by rblalock
louder sound 2 4149 August 18, 2012
by mongo
connector or cable for LCD display? 4 4362 August 13, 2012
by missle3944
Powering L.E.Ds 5 4496 August 09, 2012
by BobaMosfet
Wires in U.K 5 4965 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4873 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7850 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7524 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5321 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22826 July 21, 2012
by lnino
um help 6 3956 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5007 July 18, 2012
by Ralphxyz
help me 11 4863 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4253 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5563 June 24, 2012
by Ralphxyz
HELP 3 4008 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14965 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4115 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6043 June 17, 2012
by RogerFL
Programmable current source 6 6068 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5632 June 11, 2012
by mongo
HELP 6 4336 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4730 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 51021 May 24, 2012
by Ralphxyz
i need a code 8 4736 May 15, 2012
by pcbolt
Clock Accuracy 30 9400 May 14, 2012
by HexManiac
Relays and Controlling them 9 4705 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4976 May 09, 2012
by RogerFL
Powering your NerdKit 7 4556 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4581 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7809 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4987 April 24, 2012
by pcbolt
Programs will not run 6 4470 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5107 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4769 April 09, 2012
by Ralphxyz
Path Lights controller 2 4341 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4455 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4985 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4551 April 01, 2012
by JamesFysh
Question on LCD screen 5 4551 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4517 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5840 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5451 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9164 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4640 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5869 March 15, 2012
by mongo
Digital servo issues! 9 5155 March 15, 2012
by Rick_S
Brushless motor control 16 5495 March 12, 2012
by hevans
Windows not detecting device 3 4294 March 10, 2012
by hevans
Voltage throught MCU 5 4304 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20180 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11914 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21164 March 01, 2012
by hevans
Up and running... 3 4098 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4764 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5120 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4343 February 24, 2012
by Rick_S
programming lcd trubs 7 4453 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5125 February 18, 2012
by Rick_S
Oscilloscope 15 6402 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10904 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5557 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4740 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11432 February 09, 2012
by mongo
Data transmission 3 5295 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5102 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6675 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4590 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4143 January 31, 2012
by tchilzer2
H bridge questions 6 4925 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4669 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5101 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5290 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8422 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4964 January 15, 2012
by Rick_S
Source of power? 19 5090 January 13, 2012
by mongo
symbol defined please? 4 4776 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18079 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4680 January 06, 2012
by boxvic
Basic LED circuit properties 8 4905 January 06, 2012
by boxvic
Getting Started 3 4372 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5566 January 02, 2012
by bodangly
SMD reflow 16 5670 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4633 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5294 December 23, 2011
by BobaMosfet
Potentiometer 8 6257 December 23, 2011
by huzbum
Fun with Op-Amps 3 6494 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5553 December 19, 2011
by n1cl3
Odessy of the minds 5 4823 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4194 November 27, 2011
by sazD
Initial Load 2 4858 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5574 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6257 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4927 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10070 November 10, 2011
by jfbrink
Servo Squitter Project 13 4662 November 09, 2011
by Heed
how do i run a program 4 4228 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4489 November 07, 2011
by Heed
Motor control question 2 4272 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9951 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4541 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4417 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 96583 October 24, 2011
by glendon
Measuring Capacitance 9 5972 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4572 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6328 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 22982 October 16, 2011
by sask55
RxD / TxD Questions 10 7796 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4657 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4554 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4842 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4348 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13794 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6028 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24485 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13177 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4284 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7857 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13940 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8965 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5408 September 01, 2011
by BobaMosfet
Dim LED 3 4235 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4754 August 23, 2011
by Twarter369
Easy Transistor Question 4 5393 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7158 August 18, 2011
by Ralphxyz
Building a coil?? 12 7163 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4659 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4304 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4141 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4078 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24198 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5412 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4814 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4529 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4575 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7353 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4233 July 17, 2011
by codenamejupiterx
avr macpack 3 4602 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4596 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4689 July 13, 2011
by BobaMosfet
Battery clip wires 3 4151 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4032 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4332 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4570 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5018 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25327 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4547 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4781 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6871 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4815 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4835 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4735 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5306 June 06, 2011
by mja
A couple of questions 3 4446 June 06, 2011
by Ralphxyz
How much should I strip? 3 4518 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5008 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4403 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4734 May 29, 2011
by Rick_S
Digital Input Question 4 4469 May 28, 2011
by frankdwest
PCB arrived 20 4458 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5100 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24096 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5052 May 09, 2011
by Noter
IR current 6 4755 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5475 May 04, 2011
by hariharan
Heat sensors 21 5845 May 04, 2011
by Hexorg
error 1 2 4354 May 02, 2011
by hevans
Transistor vs mosfet 13 12610 May 01, 2011
by Noter
PCB trace width calculator 3 5921 April 24, 2011
by esoderberg
OLED display 10 5630 April 23, 2011
by Rick_S
Power Supplies 17 6180 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4282 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4984 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4426 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5454 April 19, 2011
by mongo
Connecting to external control voltages 4 4406 April 19, 2011
by bretm
IR current question 7 4527 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5314 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5505 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4774 April 10, 2011
by uml_12
Basic projects 3 4448 April 09, 2011
by mongo
REFLOW oven 22 7404 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14717 April 07, 2011
by bretm
unexpected MCU rebooting 82 9433 April 05, 2011
by sask55
REFLOW Soldering 3 5388 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4742 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7084 March 30, 2011
by bretm
Black Display on LCD 6 4718 March 28, 2011
by Druidman
32kHz clock 2 4375 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11558 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12101 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6582 March 16, 2011
by mongo
LCD problem 3 4764 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5373 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5461 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4469 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8170 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5407 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5354 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12401 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9125 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6035 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9482 February 19, 2011
by Lusitania
My first Impression 6 4868 February 16, 2011
by devinsbusiness
Understanding battery life 3 6167 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5772 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5405 February 05, 2011
by BobaMosfet
High voltage lines 26 7578 February 02, 2011
by mongo
USB 3 4425 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5497 February 02, 2011
by Jalex
Alternating LED circuit 4 5372 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6705 January 31, 2011
by il1019
Affordable oscilloscopes 43 14921 January 27, 2011
by BStory
"And"gate unfinished thought 2 4570 January 27, 2011
by Hexorg
replace MCU? 30 9646 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5135 January 25, 2011
by Ralphxyz
Multimeter! 12 7418 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6071 January 25, 2011
by Jalex
My LED Cube so far 25 10849 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5862 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5301 January 18, 2011
by dgikuljot
Counting 5 4517 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9169 January 17, 2011
by bretm
Programming 5 5391 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5582 January 11, 2011
by Yourself
Begining 7 5665 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6050 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5383 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4691 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5228 January 06, 2011
by Mujda
Data input voltage 6 5230 January 03, 2011
by Rick_S
MOSFET Question 7 5377 December 31, 2010
by Keyster
Transistor as a switch 5 5423 December 29, 2010
by Hexorg
Resistors 5 5782 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10709 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5637 December 28, 2010
by BobaMosfet
Relay ratings 2 4949 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20278 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4784 December 17, 2010
by mongo
Power Rectifier 7 7075 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7416 December 14, 2010
by danuke
This a decent oscilloscope? 8 5189 December 14, 2010
by danuke
Do resistors in series really add up? 8 6612 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6009 December 09, 2010
by bretm
L293 H-Bridge 15 6700 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6902 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7080 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5989 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6512 November 24, 2010
by BobaMosfet
Op-amp not working 6 6780 November 24, 2010
by BobaMosfet
Python questions 4 5738 November 21, 2010
by tkopriva
CE Amp design 5 5287 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5191 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5051 November 05, 2010
by Mujda
PC4 not working?! 8 4904 November 04, 2010
by hapshetsut
Amplifiers 4 4859 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5720 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5806 October 04, 2010
by Scythium
radio interference from NerdKit 11 4941 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9566 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5414 September 11, 2010
by akajester
QFP and dreadboard 2 5318 September 02, 2010
by bretm
Getting power to the spinning part... 5 5177 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13123 August 30, 2010
by Ralphxyz
morse code decoder 2 5293 August 26, 2010
by jonathan_m
Connecting to Computer 3 5277 August 25, 2010
by awesome
555 astable on breadboard 12 6786 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4898 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5395 August 19, 2010
by hevans
mosfet 3 4655 August 13, 2010
by hevans
Good material on learning electronics. 8 5653 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4540 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7238 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6476 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9855 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6949 July 02, 2010
by mongo
Electro Cardio Gram 4 5825 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4600 June 12, 2010
by Wobbler
Voltage Regulator 20 6320 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5870 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6531 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6192 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5380 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4610 June 06, 2010
by Kafke
TSSOP IC! 4 5383 June 03, 2010
by mrobbins
AVcc 2 5616 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4812 May 31, 2010
by hevans
Cable Driver 2 4496 May 31, 2010
by mongo
Best 9V adapter to use 2 4932 May 28, 2010
by mongo
Unidirectional microphones 5 5184 May 27, 2010
by mongo
Servo question 3 4651 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5347 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5200 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6876 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11819 May 21, 2010
by hevans
Chinese Solenoid 15 5177 May 10, 2010
by treymd
avrisp mkii circuit 4 6380 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4721 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10048 May 07, 2010
by rajabalu21
Simple Power Switch 6 4816 May 05, 2010
by avicell
I can haz speed! 3 5161 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6663 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5499 April 21, 2010
by bretm
Help with choosing the right resistor 10 6605 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11351 April 15, 2010
by bretm
Resistor 4 4518 April 15, 2010
by mongo
MCU digital input pins 3 4720 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5003 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10893 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6963 March 28, 2010
by carlhako
Laptop ground safety question 3 5042 March 27, 2010
by ese
LM34 R-C Damper 5 6615 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5338 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4642 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6652 March 23, 2010
by ese
constant system reset 3 4530 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5298 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6381 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5631 March 17, 2010
by Frozenlock
What is -VS? 6 8694 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6444 March 04, 2010
by treymd
Using MCU to connect two wires 3 5528 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10283 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4956 March 02, 2010
by Solorbob
Deciphering power resistors 11 5343 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4730 March 01, 2010
by nrotstan
Understanding LEDs 16 7938 March 01, 2010
by michaeldallas
What's the part I need? 5 4839 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11871 February 23, 2010
by rajabalu21
Too much power? 14 5584 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6252 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6193 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13702 February 18, 2010
by Rick_S
Serial port interface circuit 2 5738 February 17, 2010
by mongo
OBDII project 3 4803 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8396 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7554 February 13, 2010
by BobaMosfet
Digital pots 5 5030 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5353 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6233 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7635 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7771 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5600 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7369 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11175 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5970 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5184 December 27, 2009
by jgauthier
Servo Signal Noise 2 4744 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8118 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11564 December 10, 2009
by georgio
Relays and transistors 12 9556 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9622 December 09, 2009
by Rick_S
IR Detector 7 9134 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5801 November 19, 2009
by mikedoug
Debug with lcd 6 5755 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5230 November 15, 2009
by tech20
Understanding output pin characteristics 4 5124 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7124 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5407 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49020 October 30, 2009
by BobaMosfet
DIY header unit 2 5578 October 10, 2009
by rusirius
Thermostat Logging 6 7239 October 09, 2009
by luke
Understanding transistors 6 6929 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10903 October 07, 2009
by mikedoug
Currant booster 3 4741 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5729 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13749 August 27, 2009
by hevans
Which LED? 14 5490 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6522 August 07, 2009
by mongo
pull up, pull down resistors 7 17929 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11889 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7769 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7157 July 07, 2009
by sector0
Reset switch for circuit 3 5399 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32022 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6524 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5286 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5440 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5931 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5267 May 06, 2009
by paulip

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