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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 9029 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8378 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 7092 April 12, 2016
by Ralphxyz
USBasp Help! 3 5996 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8284 May 04, 2015
by mongo
Need to replace Wall Watt 16 5510 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5136 April 10, 2015
by Noter
My new 3D Printer 44 20717 April 07, 2015
by Rick_S
AtMega 644 2 5156 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4209 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4896 June 02, 2014
by JKITSON
Automated programming mode? 9 5186 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4753 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4786 January 28, 2014
by lailai
What kind of error is this? 4 4566 January 23, 2014
by Noter
How to double a DC voltage? 20 12018 January 12, 2014
by JKITSON
Is the code the driver? 2 4471 January 12, 2014
by Ralphxyz
Miniature headers 6 4686 January 01, 2014
by Ralphxyz
BLDC 8 4782 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5380 November 26, 2013
by Rick_S
GLCD SPI problems 14 8647 November 10, 2013
by andyi
Moving on... 7 4575 November 08, 2013
by Pr0ject
Power supply questions 4 6155 October 31, 2013
by sask55
OLED 4 4345 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16439 September 22, 2013
by sask55
Opto Interrupter once again 14 9070 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4749 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11827 September 02, 2013
by Ralphxyz
USB cable specifications 7 6374 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5286 August 27, 2013
by Affarram
XMEGA Breakout 8 5653 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4303 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4984 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 5020 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11769 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16402 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4319 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4918 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66484 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4110 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4679 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8862 March 14, 2013
by mongo
Current vs Voltage 8 5749 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5330 March 09, 2013
by lnino
Electric current 2 4092 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 7040 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9961 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9604 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5176 February 24, 2013
by lnino
Relay Question 27 8450 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8146 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5627 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5469 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5260 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4829 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5546 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4841 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5665 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4184 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4239 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4744 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10351 November 18, 2012
by carlhako
SPI slave clock 6 4974 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4349 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31655 October 23, 2012
by Noter
NPN circuit connection quandry 4 4926 September 24, 2012
by edb
Simple I/O circuit 4 4580 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4347 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4099 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6936 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4572 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6974 September 13, 2012
by dan_engbers
Electronics simulation 8 5205 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7390 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4483 August 20, 2012
by rblalock
louder sound 2 4252 August 18, 2012
by mongo
connector or cable for LCD display? 4 4469 August 13, 2012
by missle3944
Powering L.E.Ds 5 4602 August 09, 2012
by BobaMosfet
Wires in U.K 5 5071 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4989 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 8141 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7660 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5468 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 23002 July 21, 2012
by lnino
um help 6 4064 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5117 July 18, 2012
by Ralphxyz
help me 11 4983 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4384 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5701 June 24, 2012
by Ralphxyz
HELP 3 4103 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15123 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4223 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6153 June 17, 2012
by RogerFL
Programmable current source 6 6225 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5744 June 11, 2012
by mongo
HELP 6 4444 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4847 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52666 May 24, 2012
by Ralphxyz
i need a code 8 4845 May 15, 2012
by pcbolt
Clock Accuracy 30 9522 May 14, 2012
by HexManiac
Relays and Controlling them 9 4830 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 5087 May 09, 2012
by RogerFL
Powering your NerdKit 7 4664 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4696 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7971 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5077 April 24, 2012
by pcbolt
Programs will not run 6 4578 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5233 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4881 April 09, 2012
by Ralphxyz
Path Lights controller 2 4447 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4557 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5108 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4656 April 01, 2012
by JamesFysh
Question on LCD screen 5 4681 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4639 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5975 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5601 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9307 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4744 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 6082 March 15, 2012
by mongo
Digital servo issues! 9 5293 March 15, 2012
by Rick_S
Brushless motor control 16 5623 March 12, 2012
by hevans
Windows not detecting device 3 4416 March 10, 2012
by hevans
Voltage throught MCU 5 4430 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20331 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 12202 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21626 March 01, 2012
by hevans
Up and running... 3 4224 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4877 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5226 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4456 February 24, 2012
by Rick_S
programming lcd trubs 7 4566 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5244 February 18, 2012
by Rick_S
Oscilloscope 15 6536 February 18, 2012
by Osarus
How far away can a LM34 be? 16 11071 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5670 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4859 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 12184 February 09, 2012
by mongo
Data transmission 3 5402 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5211 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6793 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4724 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4244 January 31, 2012
by tchilzer2
H bridge questions 6 5039 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4791 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5207 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5417 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8546 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 5079 January 15, 2012
by Rick_S
Source of power? 19 5231 January 13, 2012
by mongo
symbol defined please? 4 4878 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18309 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4790 January 06, 2012
by boxvic
Basic LED circuit properties 8 5013 January 06, 2012
by boxvic
Getting Started 3 4489 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5676 January 02, 2012
by bodangly
SMD reflow 16 5798 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4736 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5401 December 23, 2011
by BobaMosfet
Potentiometer 8 6403 December 23, 2011
by huzbum
Fun with Op-Amps 3 6621 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5699 December 19, 2011
by n1cl3
Odessy of the minds 5 4929 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4317 November 27, 2011
by sazD
Initial Load 2 4954 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5701 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6370 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 5019 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10208 November 10, 2011
by jfbrink
Servo Squitter Project 13 4780 November 09, 2011
by Heed
how do i run a program 4 4330 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4581 November 07, 2011
by Heed
Motor control question 2 4382 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10130 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4653 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4543 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 97972 October 24, 2011
by glendon
Measuring Capacitance 9 6073 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4676 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6430 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23412 October 16, 2011
by sask55
RxD / TxD Questions 10 8035 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4768 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4660 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4948 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4446 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 14368 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6141 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24694 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13426 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4381 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7986 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14132 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 9113 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5530 September 01, 2011
by BobaMosfet
Dim LED 3 4347 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4859 August 23, 2011
by Twarter369
Easy Transistor Question 4 5522 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7475 August 18, 2011
by Ralphxyz
Building a coil?? 12 7293 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4765 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4419 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4242 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4183 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24356 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5508 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4918 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4625 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4665 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7493 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4333 July 17, 2011
by codenamejupiterx
avr macpack 3 4708 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4702 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4811 July 13, 2011
by BobaMosfet
Battery clip wires 3 4242 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4142 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4428 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4684 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5138 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25506 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4656 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4879 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 7015 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4953 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4963 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4829 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5468 June 06, 2011
by mja
A couple of questions 3 4568 June 06, 2011
by Ralphxyz
How much should I strip? 3 4618 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5105 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4517 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4836 May 29, 2011
by Rick_S
Digital Input Question 4 4576 May 28, 2011
by frankdwest
PCB arrived 20 4565 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5210 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24284 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5161 May 09, 2011
by Noter
IR current 6 4865 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5605 May 04, 2011
by hariharan
Heat sensors 21 5972 May 04, 2011
by Hexorg
error 1 2 4455 May 02, 2011
by hevans
Transistor vs mosfet 13 12776 May 01, 2011
by Noter
PCB trace width calculator 3 6014 April 24, 2011
by esoderberg
OLED display 10 5739 April 23, 2011
by Rick_S
Power Supplies 17 6296 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4375 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5086 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4544 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5572 April 19, 2011
by mongo
Connecting to external control voltages 4 4507 April 19, 2011
by bretm
IR current question 7 4630 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5425 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5619 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4873 April 10, 2011
by uml_12
Basic projects 3 4548 April 09, 2011
by mongo
REFLOW oven 22 7517 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14946 April 07, 2011
by bretm
unexpected MCU rebooting 82 9625 April 05, 2011
by sask55
REFLOW Soldering 3 5528 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4850 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7205 March 30, 2011
by bretm
Black Display on LCD 6 4813 March 28, 2011
by Druidman
32kHz clock 2 4468 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11781 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12388 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6687 March 16, 2011
by mongo
LCD problem 3 4857 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5492 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5562 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4567 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8315 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5529 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5453 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12515 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9275 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6149 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9610 February 19, 2011
by Lusitania
My first Impression 6 4990 February 16, 2011
by devinsbusiness
Understanding battery life 3 6323 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5870 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5522 February 05, 2011
by BobaMosfet
High voltage lines 26 7728 February 02, 2011
by mongo
USB 3 4520 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5609 February 02, 2011
by Jalex
Alternating LED circuit 4 5482 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6824 January 31, 2011
by il1019
Affordable oscilloscopes 43 15258 January 27, 2011
by BStory
"And"gate unfinished thought 2 4685 January 27, 2011
by Hexorg
replace MCU? 30 9810 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5261 January 25, 2011
by Ralphxyz
Multimeter! 12 7533 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6184 January 25, 2011
by Jalex
My LED Cube so far 25 10967 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5970 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5407 January 18, 2011
by dgikuljot
Counting 5 4645 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9293 January 17, 2011
by bretm
Programming 5 5517 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5698 January 11, 2011
by Yourself
Begining 7 5783 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6166 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5487 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4809 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5354 January 06, 2011
by Mujda
Data input voltage 6 5347 January 03, 2011
by Rick_S
MOSFET Question 7 5521 December 31, 2010
by Keyster
Transistor as a switch 5 5540 December 29, 2010
by Hexorg
Resistors 5 5903 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10852 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5758 December 28, 2010
by BobaMosfet
Relay ratings 2 5058 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20421 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4899 December 17, 2010
by mongo
Power Rectifier 7 7201 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7541 December 14, 2010
by danuke
This a decent oscilloscope? 8 5304 December 14, 2010
by danuke
Do resistors in series really add up? 8 6735 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6127 December 09, 2010
by bretm
L293 H-Bridge 15 6818 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 7046 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7225 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6107 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6629 November 24, 2010
by BobaMosfet
Op-amp not working 6 6897 November 24, 2010
by BobaMosfet
Python questions 4 5851 November 21, 2010
by tkopriva
CE Amp design 5 5416 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5293 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5160 November 05, 2010
by Mujda
PC4 not working?! 8 5019 November 04, 2010
by hapshetsut
Amplifiers 4 4964 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5838 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5934 October 04, 2010
by Scythium
radio interference from NerdKit 11 5054 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9672 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5531 September 11, 2010
by akajester
QFP and dreadboard 2 5423 September 02, 2010
by bretm
Getting power to the spinning part... 5 5274 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13254 August 30, 2010
by Ralphxyz
morse code decoder 2 5387 August 26, 2010
by jonathan_m
Connecting to Computer 3 5368 August 25, 2010
by awesome
555 astable on breadboard 12 6882 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4997 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5491 August 19, 2010
by hevans
mosfet 3 4758 August 13, 2010
by hevans
Good material on learning electronics. 8 5769 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4642 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7401 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6590 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 10013 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 7058 July 02, 2010
by mongo
Electro Cardio Gram 4 5956 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4699 June 12, 2010
by Wobbler
Voltage Regulator 20 6431 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5980 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6649 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6279 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5483 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4714 June 06, 2010
by Kafke
TSSOP IC! 4 5488 June 03, 2010
by mrobbins
AVcc 2 5715 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4932 May 31, 2010
by hevans
Cable Driver 2 4608 May 31, 2010
by mongo
Best 9V adapter to use 2 5039 May 28, 2010
by mongo
Unidirectional microphones 5 5273 May 27, 2010
by mongo
Servo question 3 4777 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5448 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5303 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6976 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11977 May 21, 2010
by hevans
Chinese Solenoid 15 5302 May 10, 2010
by treymd
avrisp mkii circuit 4 6479 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4829 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10221 May 07, 2010
by rajabalu21
Simple Power Switch 6 4914 May 05, 2010
by avicell
I can haz speed! 3 5271 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6791 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5623 April 21, 2010
by bretm
Help with choosing the right resistor 10 6715 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11506 April 15, 2010
by bretm
Resistor 4 4633 April 15, 2010
by mongo
MCU digital input pins 3 4832 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5127 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 11001 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 7060 March 28, 2010
by carlhako
Laptop ground safety question 3 5132 March 27, 2010
by ese
LM34 R-C Damper 5 6734 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5436 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4735 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6753 March 23, 2010
by ese
constant system reset 3 4633 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5407 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6496 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5731 March 17, 2010
by Frozenlock
What is -VS? 6 8815 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6542 March 04, 2010
by treymd
Using MCU to connect two wires 3 5625 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10465 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 5065 March 02, 2010
by Solorbob
Deciphering power resistors 11 5460 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4829 March 01, 2010
by nrotstan
Understanding LEDs 16 8066 March 01, 2010
by michaeldallas
What's the part I need? 5 4943 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11997 February 23, 2010
by rajabalu21
Too much power? 14 5694 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6351 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6316 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13864 February 18, 2010
by Rick_S
Serial port interface circuit 2 5846 February 17, 2010
by mongo
OBDII project 3 4901 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8523 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7680 February 13, 2010
by BobaMosfet
Digital pots 5 5132 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5459 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6341 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7751 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7902 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5693 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7502 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11400 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 6095 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5286 December 27, 2009
by jgauthier
Servo Signal Noise 2 4847 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8230 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11706 December 10, 2009
by georgio
Relays and transistors 12 9677 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9734 December 09, 2009
by Rick_S
IR Detector 7 9295 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5895 November 19, 2009
by mikedoug
Debug with lcd 6 5860 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5316 November 15, 2009
by tech20
Understanding output pin characteristics 4 5236 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7247 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5520 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49420 October 30, 2009
by BobaMosfet
DIY header unit 2 5690 October 10, 2009
by rusirius
Thermostat Logging 6 7361 October 09, 2009
by luke
Understanding transistors 6 7021 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 11009 October 07, 2009
by mikedoug
Currant booster 3 4848 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5821 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13891 August 27, 2009
by hevans
Which LED? 14 5598 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6638 August 07, 2009
by mongo
pull up, pull down resistors 7 18057 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 12073 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7888 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7279 July 07, 2009
by sector0
Reset switch for circuit 3 5501 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32151 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6640 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5396 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5560 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 6021 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5373 May 06, 2009
by paulip

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