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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 9008 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8362 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 7078 April 12, 2016
by Ralphxyz
USBasp Help! 3 5982 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8263 May 04, 2015
by mongo
Need to replace Wall Watt 16 5494 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5125 April 10, 2015
by Noter
My new 3D Printer 44 20704 April 07, 2015
by Rick_S
AtMega 644 2 5145 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4199 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4887 June 02, 2014
by JKITSON
Automated programming mode? 9 5173 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4743 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4769 January 28, 2014
by lailai
What kind of error is this? 4 4557 January 23, 2014
by Noter
How to double a DC voltage? 20 12002 January 12, 2014
by JKITSON
Is the code the driver? 2 4459 January 12, 2014
by Ralphxyz
Miniature headers 6 4674 January 01, 2014
by Ralphxyz
BLDC 8 4770 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5366 November 26, 2013
by Rick_S
GLCD SPI problems 14 8634 November 10, 2013
by andyi
Moving on... 7 4562 November 08, 2013
by Pr0ject
Power supply questions 4 6143 October 31, 2013
by sask55
OLED 4 4333 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16423 September 22, 2013
by sask55
Opto Interrupter once again 14 9048 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4738 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11813 September 02, 2013
by Ralphxyz
USB cable specifications 7 6353 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5274 August 27, 2013
by Affarram
XMEGA Breakout 8 5643 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4294 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4971 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 5009 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11748 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16386 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4305 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4907 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66463 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4095 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4667 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8849 March 14, 2013
by mongo
Current vs Voltage 8 5733 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5315 March 09, 2013
by lnino
Electric current 2 4079 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 7024 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9944 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9587 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5163 February 24, 2013
by lnino
Relay Question 27 8434 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8129 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5613 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5457 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5246 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4815 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5533 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4828 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5650 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4170 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4228 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4731 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10335 November 18, 2012
by carlhako
SPI slave clock 6 4964 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4340 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31630 October 23, 2012
by Noter
NPN circuit connection quandry 4 4913 September 24, 2012
by edb
Simple I/O circuit 4 4568 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4333 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4087 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6917 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4559 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6959 September 13, 2012
by dan_engbers
Electronics simulation 8 5193 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7377 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4471 August 20, 2012
by rblalock
louder sound 2 4241 August 18, 2012
by mongo
connector or cable for LCD display? 4 4455 August 13, 2012
by missle3944
Powering L.E.Ds 5 4591 August 09, 2012
by BobaMosfet
Wires in U.K 5 5060 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4973 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 8126 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7650 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5449 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22986 July 21, 2012
by lnino
um help 6 4047 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5103 July 18, 2012
by Ralphxyz
help me 11 4972 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4373 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5689 June 24, 2012
by Ralphxyz
HELP 3 4092 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15108 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4209 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6139 June 17, 2012
by RogerFL
Programmable current source 6 6214 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5728 June 11, 2012
by mongo
HELP 6 4433 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4834 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52648 May 24, 2012
by Ralphxyz
i need a code 8 4831 May 15, 2012
by pcbolt
Clock Accuracy 30 9507 May 14, 2012
by HexManiac
Relays and Controlling them 9 4814 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 5076 May 09, 2012
by RogerFL
Powering your NerdKit 7 4651 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4684 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7957 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5066 April 24, 2012
by pcbolt
Programs will not run 6 4567 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5221 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4868 April 09, 2012
by Ralphxyz
Path Lights controller 2 4433 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4545 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5098 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4645 April 01, 2012
by JamesFysh
Question on LCD screen 5 4666 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4625 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5962 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5583 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9295 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4729 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 6069 March 15, 2012
by mongo
Digital servo issues! 9 5279 March 15, 2012
by Rick_S
Brushless motor control 16 5612 March 12, 2012
by hevans
Windows not detecting device 3 4403 March 10, 2012
by hevans
Voltage throught MCU 5 4416 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20323 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 12187 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21612 March 01, 2012
by hevans
Up and running... 3 4206 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4863 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5215 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4444 February 24, 2012
by Rick_S
programming lcd trubs 7 4556 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5233 February 18, 2012
by Rick_S
Oscilloscope 15 6520 February 18, 2012
by Osarus
How far away can a LM34 be? 16 11053 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5656 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4848 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 12161 February 09, 2012
by mongo
Data transmission 3 5391 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5199 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6783 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4713 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4230 January 31, 2012
by tchilzer2
H bridge questions 6 5028 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4778 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5195 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5404 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8533 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 5061 January 15, 2012
by Rick_S
Source of power? 19 5218 January 13, 2012
by mongo
symbol defined please? 4 4867 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18292 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4777 January 06, 2012
by boxvic
Basic LED circuit properties 8 4999 January 06, 2012
by boxvic
Getting Started 3 4470 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5666 January 02, 2012
by bodangly
SMD reflow 16 5784 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4723 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5389 December 23, 2011
by BobaMosfet
Potentiometer 8 6386 December 23, 2011
by huzbum
Fun with Op-Amps 3 6611 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5689 December 19, 2011
by n1cl3
Odessy of the minds 5 4916 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4299 November 27, 2011
by sazD
Initial Load 2 4939 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5684 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6361 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 5013 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10194 November 10, 2011
by jfbrink
Servo Squitter Project 13 4767 November 09, 2011
by Heed
how do i run a program 4 4317 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4568 November 07, 2011
by Heed
Motor control question 2 4369 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10118 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4638 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4527 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 97945 October 24, 2011
by glendon
Measuring Capacitance 9 6062 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4663 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6420 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23392 October 16, 2011
by sask55
RxD / TxD Questions 10 8016 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4758 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4646 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4937 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4436 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 14347 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6130 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24678 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13398 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4367 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7971 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14118 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 9100 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5519 September 01, 2011
by BobaMosfet
Dim LED 3 4337 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4846 August 23, 2011
by Twarter369
Easy Transistor Question 4 5503 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7463 August 18, 2011
by Ralphxyz
Building a coil?? 12 7280 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4752 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4406 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4231 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4172 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24342 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5495 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4906 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4616 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4652 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7479 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4316 July 17, 2011
by codenamejupiterx
avr macpack 3 4694 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4689 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4799 July 13, 2011
by BobaMosfet
Battery clip wires 3 4232 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4130 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4416 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4671 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5128 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25486 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4647 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4869 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 7002 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4936 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4953 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4818 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5458 June 06, 2011
by mja
A couple of questions 3 4557 June 06, 2011
by Ralphxyz
How much should I strip? 3 4606 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5092 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4504 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4826 May 29, 2011
by Rick_S
Digital Input Question 4 4562 May 28, 2011
by frankdwest
PCB arrived 20 4553 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5199 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24266 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5148 May 09, 2011
by Noter
IR current 6 4851 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5588 May 04, 2011
by hariharan
Heat sensors 21 5959 May 04, 2011
by Hexorg
error 1 2 4441 May 02, 2011
by hevans
Transistor vs mosfet 13 12759 May 01, 2011
by Noter
PCB trace width calculator 3 6002 April 24, 2011
by esoderberg
OLED display 10 5725 April 23, 2011
by Rick_S
Power Supplies 17 6279 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4363 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5075 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4530 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5559 April 19, 2011
by mongo
Connecting to external control voltages 4 4496 April 19, 2011
by bretm
IR current question 7 4615 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5411 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5607 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4861 April 10, 2011
by uml_12
Basic projects 3 4537 April 09, 2011
by mongo
REFLOW oven 22 7505 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14934 April 07, 2011
by bretm
unexpected MCU rebooting 82 9609 April 05, 2011
by sask55
REFLOW Soldering 3 5512 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4837 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7193 March 30, 2011
by bretm
Black Display on LCD 6 4802 March 28, 2011
by Druidman
32kHz clock 2 4455 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11759 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12365 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6675 March 16, 2011
by mongo
LCD problem 3 4845 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5479 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5550 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4557 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8303 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5516 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5441 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12504 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9261 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6138 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9597 February 19, 2011
by Lusitania
My first Impression 6 4976 February 16, 2011
by devinsbusiness
Understanding battery life 3 6308 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5858 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5510 February 05, 2011
by BobaMosfet
High voltage lines 26 7714 February 02, 2011
by mongo
USB 3 4508 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5594 February 02, 2011
by Jalex
Alternating LED circuit 4 5466 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6814 January 31, 2011
by il1019
Affordable oscilloscopes 43 15237 January 27, 2011
by BStory
"And"gate unfinished thought 2 4669 January 27, 2011
by Hexorg
replace MCU? 30 9791 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5248 January 25, 2011
by Ralphxyz
Multimeter! 12 7526 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6171 January 25, 2011
by Jalex
My LED Cube so far 25 10953 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5956 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5395 January 18, 2011
by dgikuljot
Counting 5 4634 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9282 January 17, 2011
by bretm
Programming 5 5505 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5686 January 11, 2011
by Yourself
Begining 7 5770 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6152 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5473 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4797 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5340 January 06, 2011
by Mujda
Data input voltage 6 5334 January 03, 2011
by Rick_S
MOSFET Question 7 5505 December 31, 2010
by Keyster
Transistor as a switch 5 5528 December 29, 2010
by Hexorg
Resistors 5 5887 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10841 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5746 December 28, 2010
by BobaMosfet
Relay ratings 2 5046 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20410 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4881 December 17, 2010
by mongo
Power Rectifier 7 7187 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7523 December 14, 2010
by danuke
This a decent oscilloscope? 8 5292 December 14, 2010
by danuke
Do resistors in series really add up? 8 6721 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6115 December 09, 2010
by bretm
L293 H-Bridge 15 6804 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 7030 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7208 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6092 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6616 November 24, 2010
by BobaMosfet
Op-amp not working 6 6885 November 24, 2010
by BobaMosfet
Python questions 4 5837 November 21, 2010
by tkopriva
CE Amp design 5 5403 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5277 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5142 November 05, 2010
by Mujda
PC4 not working?! 8 5002 November 04, 2010
by hapshetsut
Amplifiers 4 4948 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5823 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5918 October 04, 2010
by Scythium
radio interference from NerdKit 11 5040 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9660 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5515 September 11, 2010
by akajester
QFP and dreadboard 2 5411 September 02, 2010
by bretm
Getting power to the spinning part... 5 5260 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13242 August 30, 2010
by Ralphxyz
morse code decoder 2 5373 August 26, 2010
by jonathan_m
Connecting to Computer 3 5356 August 25, 2010
by awesome
555 astable on breadboard 12 6871 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4982 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5475 August 19, 2010
by hevans
mosfet 3 4744 August 13, 2010
by hevans
Good material on learning electronics. 8 5752 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4628 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7383 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6576 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9999 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 7044 July 02, 2010
by mongo
Electro Cardio Gram 4 5940 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4685 June 12, 2010
by Wobbler
Voltage Regulator 20 6415 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5966 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6632 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6264 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5472 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4698 June 06, 2010
by Kafke
TSSOP IC! 4 5473 June 03, 2010
by mrobbins
AVcc 2 5703 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4917 May 31, 2010
by hevans
Cable Driver 2 4595 May 31, 2010
by mongo
Best 9V adapter to use 2 5027 May 28, 2010
by mongo
Unidirectional microphones 5 5261 May 27, 2010
by mongo
Servo question 3 4760 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5432 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5291 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6963 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11962 May 21, 2010
by hevans
Chinese Solenoid 15 5275 May 10, 2010
by treymd
avrisp mkii circuit 4 6464 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4812 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10203 May 07, 2010
by rajabalu21
Simple Power Switch 6 4898 May 05, 2010
by avicell
I can haz speed! 3 5253 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6775 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5610 April 21, 2010
by bretm
Help with choosing the right resistor 10 6700 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11490 April 15, 2010
by bretm
Resistor 4 4617 April 15, 2010
by mongo
MCU digital input pins 3 4816 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5110 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10986 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 7047 March 28, 2010
by carlhako
Laptop ground safety question 3 5115 March 27, 2010
by ese
LM34 R-C Damper 5 6717 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5417 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4721 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6737 March 23, 2010
by ese
constant system reset 3 4618 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5394 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6479 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5718 March 17, 2010
by Frozenlock
What is -VS? 6 8799 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6530 March 04, 2010
by treymd
Using MCU to connect two wires 3 5613 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10446 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 5051 March 02, 2010
by Solorbob
Deciphering power resistors 11 5445 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4816 March 01, 2010
by nrotstan
Understanding LEDs 16 8050 March 01, 2010
by michaeldallas
What's the part I need? 5 4927 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11981 February 23, 2010
by rajabalu21
Too much power? 14 5678 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6340 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6300 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13847 February 18, 2010
by Rick_S
Serial port interface circuit 2 5831 February 17, 2010
by mongo
OBDII project 3 4886 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8501 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7665 February 13, 2010
by BobaMosfet
Digital pots 5 5117 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5446 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6328 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7736 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7888 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5679 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7485 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11385 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 6076 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5272 December 27, 2009
by jgauthier
Servo Signal Noise 2 4834 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8218 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11688 December 10, 2009
by georgio
Relays and transistors 12 9663 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9722 December 09, 2009
by Rick_S
IR Detector 7 9278 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5881 November 19, 2009
by mikedoug
Debug with lcd 6 5843 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5303 November 15, 2009
by tech20
Understanding output pin characteristics 4 5221 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7233 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5505 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49396 October 30, 2009
by BobaMosfet
DIY header unit 2 5673 October 10, 2009
by rusirius
Thermostat Logging 6 7342 October 09, 2009
by luke
Understanding transistors 6 7006 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 11001 October 07, 2009
by mikedoug
Currant booster 3 4829 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5803 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13876 August 27, 2009
by hevans
Which LED? 14 5582 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6622 August 07, 2009
by mongo
pull up, pull down resistors 7 18041 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 12058 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7872 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7262 July 07, 2009
by sector0
Reset switch for circuit 3 5487 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32135 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6625 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5381 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5547 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 6008 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5358 May 06, 2009
by paulip

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Did you know that the microcontroller's crystal oscillator can be used to keep accurate time? Learn more...