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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8713 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8125 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6868 April 12, 2016
by Ralphxyz
USBasp Help! 3 5765 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 7988 May 04, 2015
by mongo
Need to replace Wall Watt 16 5282 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4943 April 10, 2015
by Noter
My new 3D Printer 44 20507 April 07, 2015
by Rick_S
AtMega 644 2 5016 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4061 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4717 June 02, 2014
by JKITSON
Automated programming mode? 9 5000 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4577 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4595 January 28, 2014
by lailai
What kind of error is this? 4 4432 January 23, 2014
by Noter
How to double a DC voltage? 20 11796 January 12, 2014
by JKITSON
Is the code the driver? 2 4280 January 12, 2014
by Ralphxyz
Miniature headers 6 4534 January 01, 2014
by Ralphxyz
BLDC 8 4604 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5172 November 26, 2013
by Rick_S
GLCD SPI problems 14 8456 November 10, 2013
by andyi
Moving on... 7 4411 November 08, 2013
by Pr0ject
Power supply questions 4 5949 October 31, 2013
by sask55
OLED 4 4172 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16125 September 22, 2013
by sask55
Opto Interrupter once again 14 8818 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4598 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11538 September 02, 2013
by Ralphxyz
USB cable specifications 7 6068 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5082 August 27, 2013
by Affarram
XMEGA Breakout 8 5453 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4146 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4819 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4851 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11101 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15740 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4132 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4755 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66028 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3955 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4474 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8640 March 14, 2013
by mongo
Current vs Voltage 8 5570 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5170 March 09, 2013
by lnino
Electric current 2 3947 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6885 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9592 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9045 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5012 February 24, 2013
by lnino
Relay Question 27 8265 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7931 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5439 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5329 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5085 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4693 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5313 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4659 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5495 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4015 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4109 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4592 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10012 November 18, 2012
by carlhako
SPI slave clock 6 4800 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4207 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 30926 October 23, 2012
by Noter
NPN circuit connection quandry 4 4773 September 24, 2012
by edb
Simple I/O circuit 4 4425 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4214 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3895 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6678 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4430 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6805 September 13, 2012
by dan_engbers
Electronics simulation 8 5074 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7183 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4333 August 20, 2012
by rblalock
louder sound 2 4113 August 18, 2012
by mongo
connector or cable for LCD display? 4 4326 August 13, 2012
by missle3944
Powering L.E.Ds 5 4454 August 09, 2012
by BobaMosfet
Wires in U.K 5 4924 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4830 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7780 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7473 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5260 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22759 July 21, 2012
by lnino
um help 6 3925 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4965 July 18, 2012
by Ralphxyz
help me 11 4814 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4213 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5509 June 24, 2012
by Ralphxyz
HELP 3 3963 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14879 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4069 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5998 June 17, 2012
by RogerFL
Programmable current source 6 5986 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5588 June 11, 2012
by mongo
HELP 6 4292 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4682 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 50741 May 24, 2012
by Ralphxyz
i need a code 8 4694 May 15, 2012
by pcbolt
Clock Accuracy 30 9344 May 14, 2012
by HexManiac
Relays and Controlling them 9 4653 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4932 May 09, 2012
by RogerFL
Powering your NerdKit 7 4514 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4538 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7747 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4948 April 24, 2012
by pcbolt
Programs will not run 6 4422 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5044 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4735 April 09, 2012
by Ralphxyz
Path Lights controller 2 4291 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4410 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4932 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4506 April 01, 2012
by JamesFysh
Question on LCD screen 5 4513 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4469 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5779 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5404 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9102 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4602 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5768 March 15, 2012
by mongo
Digital servo issues! 9 5104 March 15, 2012
by Rick_S
Brushless motor control 16 5452 March 12, 2012
by hevans
Windows not detecting device 3 4246 March 10, 2012
by hevans
Voltage throught MCU 5 4262 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20100 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11837 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21037 March 01, 2012
by hevans
Up and running... 3 4058 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4716 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5079 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4297 February 24, 2012
by Rick_S
programming lcd trubs 7 4378 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5077 February 18, 2012
by Rick_S
Oscilloscope 15 6347 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10837 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5518 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4702 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11310 February 09, 2012
by mongo
Data transmission 3 5258 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5058 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6632 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4546 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4107 January 31, 2012
by tchilzer2
H bridge questions 6 4878 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4622 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5046 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5249 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8367 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4906 January 15, 2012
by Rick_S
Source of power? 19 5041 January 13, 2012
by mongo
symbol defined please? 4 4741 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 17987 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4642 January 06, 2012
by boxvic
Basic LED circuit properties 8 4858 January 06, 2012
by boxvic
Getting Started 3 4340 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5523 January 02, 2012
by bodangly
SMD reflow 16 5622 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4590 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5261 December 23, 2011
by BobaMosfet
Potentiometer 8 6195 December 23, 2011
by huzbum
Fun with Op-Amps 3 6438 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5508 December 19, 2011
by n1cl3
Odessy of the minds 5 4784 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4151 November 27, 2011
by sazD
Initial Load 2 4821 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5522 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6213 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4889 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10013 November 10, 2011
by jfbrink
Servo Squitter Project 13 4623 November 09, 2011
by Heed
how do i run a program 4 4196 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4451 November 07, 2011
by Heed
Motor control question 2 4241 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9865 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4493 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4378 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 96377 October 24, 2011
by glendon
Measuring Capacitance 9 5914 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4538 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6284 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 22838 October 16, 2011
by sask55
RxD / TxD Questions 10 7708 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4621 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4517 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4802 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4315 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13645 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5979 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24406 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13071 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4246 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7806 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13824 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8913 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5359 September 01, 2011
by BobaMosfet
Dim LED 3 4189 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4717 August 23, 2011
by Twarter369
Easy Transistor Question 4 5341 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7087 August 18, 2011
by Ralphxyz
Building a coil?? 12 7112 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4618 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4262 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4093 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4040 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24114 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5373 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4781 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4491 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4533 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7310 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4188 July 17, 2011
by codenamejupiterx
avr macpack 3 4563 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4553 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4635 July 13, 2011
by BobaMosfet
Battery clip wires 3 4123 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3990 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4298 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4536 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4947 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25242 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4499 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4740 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6823 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4768 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4786 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4701 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5256 June 06, 2011
by mja
A couple of questions 3 4405 June 06, 2011
by Ralphxyz
How much should I strip? 3 4474 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4968 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4351 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4685 May 29, 2011
by Rick_S
Digital Input Question 4 4422 May 28, 2011
by frankdwest
PCB arrived 20 4418 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5062 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24009 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5006 May 09, 2011
by Noter
IR current 6 4723 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5430 May 04, 2011
by hariharan
Heat sensors 21 5805 May 04, 2011
by Hexorg
error 1 2 4285 May 02, 2011
by hevans
Transistor vs mosfet 13 12549 May 01, 2011
by Noter
PCB trace width calculator 3 5879 April 24, 2011
by esoderberg
OLED display 10 5586 April 23, 2011
by Rick_S
Power Supplies 17 6148 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4247 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4953 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4390 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5406 April 19, 2011
by mongo
Connecting to external control voltages 4 4370 April 19, 2011
by bretm
IR current question 7 4482 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5274 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5456 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4736 April 10, 2011
by uml_12
Basic projects 3 4413 April 09, 2011
by mongo
REFLOW oven 22 7356 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14639 April 07, 2011
by bretm
unexpected MCU rebooting 82 9367 April 05, 2011
by sask55
REFLOW Soldering 3 5324 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4703 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7037 March 30, 2011
by bretm
Black Display on LCD 6 4682 March 28, 2011
by Druidman
32kHz clock 2 4332 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11480 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 11988 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6527 March 16, 2011
by mongo
LCD problem 3 4726 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5327 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5430 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4433 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8103 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5372 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5302 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12361 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9043 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5988 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9437 February 19, 2011
by Lusitania
My first Impression 6 4832 February 16, 2011
by devinsbusiness
Understanding battery life 3 6105 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5734 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5360 February 05, 2011
by BobaMosfet
High voltage lines 26 7523 February 02, 2011
by mongo
USB 3 4389 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5441 February 02, 2011
by Jalex
Alternating LED circuit 4 5337 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6664 January 31, 2011
by il1019
Affordable oscilloscopes 43 14781 January 27, 2011
by BStory
"And"gate unfinished thought 2 4526 January 27, 2011
by Hexorg
replace MCU? 30 9563 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5089 January 25, 2011
by Ralphxyz
Multimeter! 12 7376 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6022 January 25, 2011
by Jalex
My LED Cube so far 25 10806 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5839 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5262 January 18, 2011
by dgikuljot
Counting 5 4474 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9116 January 17, 2011
by bretm
Programming 5 5340 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5541 January 11, 2011
by Yourself
Begining 7 5618 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6012 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5348 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4644 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5187 January 06, 2011
by Mujda
Data input voltage 6 5181 January 03, 2011
by Rick_S
MOSFET Question 7 5337 December 31, 2010
by Keyster
Transistor as a switch 5 5373 December 29, 2010
by Hexorg
Resistors 5 5729 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10634 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5591 December 28, 2010
by BobaMosfet
Relay ratings 2 4906 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20228 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4746 December 17, 2010
by mongo
Power Rectifier 7 7033 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7358 December 14, 2010
by danuke
This a decent oscilloscope? 8 5143 December 14, 2010
by danuke
Do resistors in series really add up? 8 6546 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5961 December 09, 2010
by bretm
L293 H-Bridge 15 6644 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6846 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7013 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5941 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6451 November 24, 2010
by BobaMosfet
Op-amp not working 6 6737 November 24, 2010
by BobaMosfet
Python questions 4 5702 November 21, 2010
by tkopriva
CE Amp design 5 5230 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5152 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4994 November 05, 2010
by Mujda
PC4 not working?! 8 4856 November 04, 2010
by hapshetsut
Amplifiers 4 4821 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5680 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5768 October 04, 2010
by Scythium
radio interference from NerdKit 11 4870 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9516 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5370 September 11, 2010
by akajester
QFP and dreadboard 2 5271 September 02, 2010
by bretm
Getting power to the spinning part... 5 5141 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13064 August 30, 2010
by Ralphxyz
morse code decoder 2 5256 August 26, 2010
by jonathan_m
Connecting to Computer 3 5230 August 25, 2010
by awesome
555 astable on breadboard 12 6749 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4860 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5360 August 19, 2010
by hevans
mosfet 3 4626 August 13, 2010
by hevans
Good material on learning electronics. 8 5617 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4502 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7165 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6431 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9789 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6911 July 02, 2010
by mongo
Electro Cardio Gram 4 5775 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4554 June 12, 2010
by Wobbler
Voltage Regulator 20 6279 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5815 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6488 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6143 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5332 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4569 June 06, 2010
by Kafke
TSSOP IC! 4 5339 June 03, 2010
by mrobbins
AVcc 2 5568 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4776 May 31, 2010
by hevans
Cable Driver 2 4451 May 31, 2010
by mongo
Best 9V adapter to use 2 4892 May 28, 2010
by mongo
Unidirectional microphones 5 5141 May 27, 2010
by mongo
Servo question 3 4605 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5310 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5151 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6836 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11734 May 21, 2010
by hevans
Chinese Solenoid 15 5123 May 10, 2010
by treymd
avrisp mkii circuit 4 6342 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4679 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 9984 May 07, 2010
by rajabalu21
Simple Power Switch 6 4776 May 05, 2010
by avicell
I can haz speed! 3 5121 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6622 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5453 April 21, 2010
by bretm
Help with choosing the right resistor 10 6565 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11220 April 15, 2010
by bretm
Resistor 4 4484 April 15, 2010
by mongo
MCU digital input pins 3 4665 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4971 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10845 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6922 March 28, 2010
by carlhako
Laptop ground safety question 3 4999 March 27, 2010
by ese
LM34 R-C Damper 5 6573 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5301 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4582 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6610 March 23, 2010
by ese
constant system reset 3 4492 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5256 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6321 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5594 March 17, 2010
by Frozenlock
What is -VS? 6 8649 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6413 March 04, 2010
by treymd
Using MCU to connect two wires 3 5490 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10204 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4911 March 02, 2010
by Solorbob
Deciphering power resistors 11 5293 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4686 March 01, 2010
by nrotstan
Understanding LEDs 16 7870 March 01, 2010
by michaeldallas
What's the part I need? 5 4800 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11822 February 23, 2010
by rajabalu21
Too much power? 14 5538 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6216 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6140 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13615 February 18, 2010
by Rick_S
Serial port interface circuit 2 5697 February 17, 2010
by mongo
OBDII project 3 4757 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8326 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7498 February 13, 2010
by BobaMosfet
Digital pots 5 4997 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5306 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6164 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7573 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7715 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5570 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7295 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11119 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5925 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5148 December 27, 2009
by jgauthier
Servo Signal Noise 2 4710 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8059 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11509 December 10, 2009
by georgio
Relays and transistors 12 9510 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9569 December 09, 2009
by Rick_S
IR Detector 7 9056 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5761 November 19, 2009
by mikedoug
Debug with lcd 6 5708 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5192 November 15, 2009
by tech20
Understanding output pin characteristics 4 5072 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7052 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5362 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 48902 October 30, 2009
by BobaMosfet
DIY header unit 2 5546 October 10, 2009
by rusirius
Thermostat Logging 6 7185 October 09, 2009
by luke
Understanding transistors 6 6887 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10859 October 07, 2009
by mikedoug
Currant booster 3 4696 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5683 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13689 August 27, 2009
by hevans
Which LED? 14 5445 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6480 August 07, 2009
by mongo
pull up, pull down resistors 7 17871 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11808 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7720 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7110 July 07, 2009
by sector0
Reset switch for circuit 3 5363 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31982 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6477 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5248 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5390 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5880 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5213 May 06, 2009
by paulip

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