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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 9001 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8355 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 7069 April 12, 2016
by Ralphxyz
USBasp Help! 3 5974 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8258 May 04, 2015
by mongo
Need to replace Wall Watt 16 5484 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5118 April 10, 2015
by Noter
My new 3D Printer 44 20700 April 07, 2015
by Rick_S
AtMega 644 2 5142 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4192 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4880 June 02, 2014
by JKITSON
Automated programming mode? 9 5167 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4740 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4766 January 28, 2014
by lailai
What kind of error is this? 4 4554 January 23, 2014
by Noter
How to double a DC voltage? 20 11996 January 12, 2014
by JKITSON
Is the code the driver? 2 4455 January 12, 2014
by Ralphxyz
Miniature headers 6 4668 January 01, 2014
by Ralphxyz
BLDC 8 4765 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5359 November 26, 2013
by Rick_S
GLCD SPI problems 14 8626 November 10, 2013
by andyi
Moving on... 7 4557 November 08, 2013
by Pr0ject
Power supply questions 4 6137 October 31, 2013
by sask55
OLED 4 4330 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16408 September 22, 2013
by sask55
Opto Interrupter once again 14 9040 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4734 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11802 September 02, 2013
by Ralphxyz
USB cable specifications 7 6340 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5269 August 27, 2013
by Affarram
XMEGA Breakout 8 5640 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4285 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4964 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 5004 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11733 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16380 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4303 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4903 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66451 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4090 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4662 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8845 March 14, 2013
by mongo
Current vs Voltage 8 5728 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5312 March 09, 2013
by lnino
Electric current 2 4073 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 7016 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9938 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9548 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5161 February 24, 2013
by lnino
Relay Question 27 8428 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8119 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5608 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5452 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5242 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4810 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5528 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4825 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5643 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4158 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4224 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4723 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10328 November 18, 2012
by carlhako
SPI slave clock 6 4959 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4336 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31621 October 23, 2012
by Noter
NPN circuit connection quandry 4 4910 September 24, 2012
by edb
Simple I/O circuit 4 4565 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4329 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4082 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6908 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4556 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6954 September 13, 2012
by dan_engbers
Electronics simulation 8 5188 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7373 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4467 August 20, 2012
by rblalock
louder sound 2 4237 August 18, 2012
by mongo
connector or cable for LCD display? 4 4453 August 13, 2012
by missle3944
Powering L.E.Ds 5 4585 August 09, 2012
by BobaMosfet
Wires in U.K 5 5053 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4967 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 8117 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7643 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5444 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22983 July 21, 2012
by lnino
um help 6 4045 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5096 July 18, 2012
by Ralphxyz
help me 11 4966 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4369 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5681 June 24, 2012
by Ralphxyz
HELP 3 4090 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15102 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4204 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6132 June 17, 2012
by RogerFL
Programmable current source 6 6204 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5724 June 11, 2012
by mongo
HELP 6 4426 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4830 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52637 May 24, 2012
by Ralphxyz
i need a code 8 4827 May 15, 2012
by pcbolt
Clock Accuracy 30 9497 May 14, 2012
by HexManiac
Relays and Controlling them 9 4807 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 5072 May 09, 2012
by RogerFL
Powering your NerdKit 7 4647 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4680 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7950 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5064 April 24, 2012
by pcbolt
Programs will not run 6 4562 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5218 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4864 April 09, 2012
by Ralphxyz
Path Lights controller 2 4429 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4543 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5092 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4641 April 01, 2012
by JamesFysh
Question on LCD screen 5 4662 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4616 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5959 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5577 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9290 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4726 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 6058 March 15, 2012
by mongo
Digital servo issues! 9 5276 March 15, 2012
by Rick_S
Brushless motor control 16 5609 March 12, 2012
by hevans
Windows not detecting device 3 4398 March 10, 2012
by hevans
Voltage throught MCU 5 4409 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20314 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 12173 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21602 March 01, 2012
by hevans
Up and running... 3 4203 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4858 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5211 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4439 February 24, 2012
by Rick_S
programming lcd trubs 7 4551 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5226 February 18, 2012
by Rick_S
Oscilloscope 15 6516 February 18, 2012
by Osarus
How far away can a LM34 be? 16 11046 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5651 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4840 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 12154 February 09, 2012
by mongo
Data transmission 3 5387 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5196 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6780 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4708 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4225 January 31, 2012
by tchilzer2
H bridge questions 6 5025 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4772 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5191 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5401 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8530 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 5058 January 15, 2012
by Rick_S
Source of power? 19 5214 January 13, 2012
by mongo
symbol defined please? 4 4861 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18286 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4772 January 06, 2012
by boxvic
Basic LED circuit properties 8 4996 January 06, 2012
by boxvic
Getting Started 3 4466 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5660 January 02, 2012
by bodangly
SMD reflow 16 5779 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4720 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5383 December 23, 2011
by BobaMosfet
Potentiometer 8 6377 December 23, 2011
by huzbum
Fun with Op-Amps 3 6607 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5685 December 19, 2011
by n1cl3
Odessy of the minds 5 4910 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4294 November 27, 2011
by sazD
Initial Load 2 4935 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5682 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6358 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 5007 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10189 November 10, 2011
by jfbrink
Servo Squitter Project 13 4763 November 09, 2011
by Heed
how do i run a program 4 4312 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4565 November 07, 2011
by Heed
Motor control question 2 4362 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10110 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4634 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4521 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 97929 October 24, 2011
by glendon
Measuring Capacitance 9 6058 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4659 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6417 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23372 October 16, 2011
by sask55
RxD / TxD Questions 10 8007 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4750 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4639 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4930 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4430 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 14334 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6126 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24669 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13387 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4363 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7964 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14111 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 9095 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5513 September 01, 2011
by BobaMosfet
Dim LED 3 4333 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4843 August 23, 2011
by Twarter369
Easy Transistor Question 4 5496 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7457 August 18, 2011
by Ralphxyz
Building a coil?? 12 7272 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4746 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4402 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4225 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4170 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24334 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5493 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4902 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4610 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4648 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7472 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4313 July 17, 2011
by codenamejupiterx
avr macpack 3 4690 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4684 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4794 July 13, 2011
by BobaMosfet
Battery clip wires 3 4226 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4125 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4412 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4667 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5124 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25482 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4642 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4864 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6998 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4931 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4949 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4815 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5452 June 06, 2011
by mja
A couple of questions 3 4553 June 06, 2011
by Ralphxyz
How much should I strip? 3 4602 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5090 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4501 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4821 May 29, 2011
by Rick_S
Digital Input Question 4 4559 May 28, 2011
by frankdwest
PCB arrived 20 4547 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5196 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24258 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5143 May 09, 2011
by Noter
IR current 6 4848 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5582 May 04, 2011
by hariharan
Heat sensors 21 5954 May 04, 2011
by Hexorg
error 1 2 4436 May 02, 2011
by hevans
Transistor vs mosfet 13 12754 May 01, 2011
by Noter
PCB trace width calculator 3 5999 April 24, 2011
by esoderberg
OLED display 10 5722 April 23, 2011
by Rick_S
Power Supplies 17 6272 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4361 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5071 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4525 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5554 April 19, 2011
by mongo
Connecting to external control voltages 4 4491 April 19, 2011
by bretm
IR current question 7 4613 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5407 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5600 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4856 April 10, 2011
by uml_12
Basic projects 3 4533 April 09, 2011
by mongo
REFLOW oven 22 7502 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14924 April 07, 2011
by bretm
unexpected MCU rebooting 82 9601 April 05, 2011
by sask55
REFLOW Soldering 3 5509 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4833 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7185 March 30, 2011
by bretm
Black Display on LCD 6 4798 March 28, 2011
by Druidman
32kHz clock 2 4451 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11748 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12356 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6672 March 16, 2011
by mongo
LCD problem 3 4841 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5473 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5546 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4551 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8294 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5510 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5438 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12499 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9256 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6130 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9592 February 19, 2011
by Lusitania
My first Impression 6 4971 February 16, 2011
by devinsbusiness
Understanding battery life 3 6306 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5853 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5504 February 05, 2011
by BobaMosfet
High voltage lines 26 7708 February 02, 2011
by mongo
USB 3 4503 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5592 February 02, 2011
by Jalex
Alternating LED circuit 4 5462 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6807 January 31, 2011
by il1019
Affordable oscilloscopes 43 15225 January 27, 2011
by BStory
"And"gate unfinished thought 2 4664 January 27, 2011
by Hexorg
replace MCU? 30 9782 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5240 January 25, 2011
by Ralphxyz
Multimeter! 12 7521 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6167 January 25, 2011
by Jalex
My LED Cube so far 25 10948 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5953 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5389 January 18, 2011
by dgikuljot
Counting 5 4627 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9278 January 17, 2011
by bretm
Programming 5 5499 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5683 January 11, 2011
by Yourself
Begining 7 5766 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6147 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5469 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4791 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5337 January 06, 2011
by Mujda
Data input voltage 6 5329 January 03, 2011
by Rick_S
MOSFET Question 7 5499 December 31, 2010
by Keyster
Transistor as a switch 5 5523 December 29, 2010
by Hexorg
Resistors 5 5880 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10833 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5742 December 28, 2010
by BobaMosfet
Relay ratings 2 5039 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20399 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4877 December 17, 2010
by mongo
Power Rectifier 7 7183 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7514 December 14, 2010
by danuke
This a decent oscilloscope? 8 5286 December 14, 2010
by danuke
Do resistors in series really add up? 8 6713 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6111 December 09, 2010
by bretm
L293 H-Bridge 15 6799 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 7018 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7184 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6086 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6609 November 24, 2010
by BobaMosfet
Op-amp not working 6 6882 November 24, 2010
by BobaMosfet
Python questions 4 5832 November 21, 2010
by tkopriva
CE Amp design 5 5398 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5275 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5138 November 05, 2010
by Mujda
PC4 not working?! 8 4996 November 04, 2010
by hapshetsut
Amplifiers 4 4944 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5817 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5913 October 04, 2010
by Scythium
radio interference from NerdKit 11 5036 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9656 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5510 September 11, 2010
by akajester
QFP and dreadboard 2 5405 September 02, 2010
by bretm
Getting power to the spinning part... 5 5255 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13237 August 30, 2010
by Ralphxyz
morse code decoder 2 5369 August 26, 2010
by jonathan_m
Connecting to Computer 3 5352 August 25, 2010
by awesome
555 astable on breadboard 12 6866 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4977 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5473 August 19, 2010
by hevans
mosfet 3 4739 August 13, 2010
by hevans
Good material on learning electronics. 8 5749 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4623 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7376 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6571 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9991 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 7039 July 02, 2010
by mongo
Electro Cardio Gram 4 5936 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4679 June 12, 2010
by Wobbler
Voltage Regulator 20 6410 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5958 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6627 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6261 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5467 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4696 June 06, 2010
by Kafke
TSSOP IC! 4 5468 June 03, 2010
by mrobbins
AVcc 2 5695 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4914 May 31, 2010
by hevans
Cable Driver 2 4589 May 31, 2010
by mongo
Best 9V adapter to use 2 5022 May 28, 2010
by mongo
Unidirectional microphones 5 5255 May 27, 2010
by mongo
Servo question 3 4757 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5429 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5286 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6958 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11954 May 21, 2010
by hevans
Chinese Solenoid 15 5272 May 10, 2010
by treymd
avrisp mkii circuit 4 6461 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4808 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10196 May 07, 2010
by rajabalu21
Simple Power Switch 6 4894 May 05, 2010
by avicell
I can haz speed! 3 5250 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6768 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5604 April 21, 2010
by bretm
Help with choosing the right resistor 10 6693 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11480 April 15, 2010
by bretm
Resistor 4 4609 April 15, 2010
by mongo
MCU digital input pins 3 4812 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5102 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10979 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 7041 March 28, 2010
by carlhako
Laptop ground safety question 3 5113 March 27, 2010
by ese
LM34 R-C Damper 5 6712 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5415 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4718 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6733 March 23, 2010
by ese
constant system reset 3 4613 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5390 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6477 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5712 March 17, 2010
by Frozenlock
What is -VS? 6 8792 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6525 March 04, 2010
by treymd
Using MCU to connect two wires 3 5609 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10434 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 5047 March 02, 2010
by Solorbob
Deciphering power resistors 11 5439 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4812 March 01, 2010
by nrotstan
Understanding LEDs 16 8045 March 01, 2010
by michaeldallas
What's the part I need? 5 4922 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11974 February 23, 2010
by rajabalu21
Too much power? 14 5676 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6334 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6295 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13840 February 18, 2010
by Rick_S
Serial port interface circuit 2 5825 February 17, 2010
by mongo
OBDII project 3 4881 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8496 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7661 February 13, 2010
by BobaMosfet
Digital pots 5 5114 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5442 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6319 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7731 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7883 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5675 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7479 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11378 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 6071 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5268 December 27, 2009
by jgauthier
Servo Signal Noise 2 4829 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8213 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11683 December 10, 2009
by georgio
Relays and transistors 12 9658 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9715 December 09, 2009
by Rick_S
IR Detector 7 9273 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5877 November 19, 2009
by mikedoug
Debug with lcd 6 5837 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5297 November 15, 2009
by tech20
Understanding output pin characteristics 4 5216 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7229 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5501 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49389 October 30, 2009
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DIY header unit 2 5668 October 10, 2009
by rusirius
Thermostat Logging 6 7338 October 09, 2009
by luke
Understanding transistors 6 7003 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10996 October 07, 2009
by mikedoug
Currant booster 3 4824 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5799 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13867 August 27, 2009
by hevans
Which LED? 14 5576 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6616 August 07, 2009
by mongo
pull up, pull down resistors 7 18039 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 12048 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7869 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7260 July 07, 2009
by sector0
Reset switch for circuit 3 5484 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32132 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6620 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5376 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5542 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 6001 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5353 May 06, 2009
by paulip

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Did you know that a piezoelectric buzzer can be used in reverse as a microphone? Learn more...