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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8937 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8298 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 7022 April 12, 2016
by Ralphxyz
USBasp Help! 3 5923 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8201 May 04, 2015
by mongo
Need to replace Wall Watt 16 5425 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5069 April 10, 2015
by Noter
My new 3D Printer 44 20654 April 07, 2015
by Rick_S
AtMega 644 2 5111 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4154 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4835 June 02, 2014
by JKITSON
Automated programming mode? 9 5121 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4697 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4726 January 28, 2014
by lailai
What kind of error is this? 4 4523 January 23, 2014
by Noter
How to double a DC voltage? 20 11942 January 12, 2014
by JKITSON
Is the code the driver? 2 4416 January 12, 2014
by Ralphxyz
Miniature headers 6 4631 January 01, 2014
by Ralphxyz
BLDC 8 4725 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5322 November 26, 2013
by Rick_S
GLCD SPI problems 14 8589 November 10, 2013
by andyi
Moving on... 7 4522 November 08, 2013
by Pr0ject
Power supply questions 4 6096 October 31, 2013
by sask55
OLED 4 4295 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16328 September 22, 2013
by sask55
Opto Interrupter once again 14 8981 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4701 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11736 September 02, 2013
by Ralphxyz
USB cable specifications 7 6277 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5229 August 27, 2013
by Affarram
XMEGA Breakout 8 5598 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4252 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4926 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4970 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11615 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16287 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4264 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4867 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66355 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4061 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4621 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8791 March 14, 2013
by mongo
Current vs Voltage 8 5694 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5269 March 09, 2013
by lnino
Electric current 2 4042 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6981 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9875 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9482 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5122 February 24, 2013
by lnino
Relay Question 27 8388 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8080 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5566 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5420 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5199 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4786 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5477 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4781 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5606 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4123 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4193 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4684 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10253 November 18, 2012
by carlhako
SPI slave clock 6 4917 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4304 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31352 October 23, 2012
by Noter
NPN circuit connection quandry 4 4879 September 24, 2012
by edb
Simple I/O circuit 4 4530 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4302 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4034 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6867 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4525 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6916 September 13, 2012
by dan_engbers
Electronics simulation 8 5158 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7324 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4433 August 20, 2012
by rblalock
louder sound 2 4203 August 18, 2012
by mongo
connector or cable for LCD display? 4 4420 August 13, 2012
by missle3944
Powering L.E.Ds 5 4552 August 09, 2012
by BobaMosfet
Wires in U.K 5 5021 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4935 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 8057 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7599 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5402 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22930 July 21, 2012
by lnino
um help 6 4009 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5064 July 18, 2012
by Ralphxyz
help me 11 4922 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4322 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5641 June 24, 2012
by Ralphxyz
HELP 3 4060 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15063 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4172 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6096 June 17, 2012
by RogerFL
Programmable current source 6 6161 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5693 June 11, 2012
by mongo
HELP 6 4390 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4793 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52492 May 24, 2012
by Ralphxyz
i need a code 8 4791 May 15, 2012
by pcbolt
Clock Accuracy 30 9462 May 14, 2012
by HexManiac
Relays and Controlling them 9 4771 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 5035 May 09, 2012
by RogerFL
Powering your NerdKit 7 4614 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4646 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7897 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5039 April 24, 2012
by pcbolt
Programs will not run 6 4530 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5176 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4830 April 09, 2012
by Ralphxyz
Path Lights controller 2 4393 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4509 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5056 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4604 April 01, 2012
by JamesFysh
Question on LCD screen 5 4614 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4583 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5912 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5523 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9251 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4691 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 6001 March 15, 2012
by mongo
Digital servo issues! 9 5232 March 15, 2012
by Rick_S
Brushless motor control 16 5562 March 12, 2012
by hevans
Windows not detecting device 3 4362 March 10, 2012
by hevans
Voltage throught MCU 5 4374 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20271 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 12114 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21516 March 01, 2012
by hevans
Up and running... 3 4159 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4815 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5173 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4403 February 24, 2012
by Rick_S
programming lcd trubs 7 4517 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5192 February 18, 2012
by Rick_S
Oscilloscope 15 6477 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10998 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5617 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4801 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 12057 February 09, 2012
by mongo
Data transmission 3 5359 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5162 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6734 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4659 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4192 January 31, 2012
by tchilzer2
H bridge questions 6 4991 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4737 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5158 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5360 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8488 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 5022 January 15, 2012
by Rick_S
Source of power? 19 5156 January 13, 2012
by mongo
symbol defined please? 4 4830 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18225 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4738 January 06, 2012
by boxvic
Basic LED circuit properties 8 4964 January 06, 2012
by boxvic
Getting Started 3 4430 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5619 January 02, 2012
by bodangly
SMD reflow 16 5729 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4689 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5352 December 23, 2011
by BobaMosfet
Potentiometer 8 6325 December 23, 2011
by huzbum
Fun with Op-Amps 3 6566 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5649 December 19, 2011
by n1cl3
Odessy of the minds 5 4875 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4260 November 27, 2011
by sazD
Initial Load 2 4908 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5646 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6321 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4973 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10158 November 10, 2011
by jfbrink
Servo Squitter Project 13 4724 November 09, 2011
by Heed
how do i run a program 4 4281 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4535 November 07, 2011
by Heed
Motor control question 2 4322 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10050 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4603 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4487 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 97786 October 24, 2011
by glendon
Measuring Capacitance 9 6023 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4632 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6385 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23261 October 16, 2011
by sask55
RxD / TxD Questions 10 7956 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4718 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4608 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4898 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4392 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 14246 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6091 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24601 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13326 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4339 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7925 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14058 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 9038 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5481 September 01, 2011
by BobaMosfet
Dim LED 3 4300 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4812 August 23, 2011
by Twarter369
Easy Transistor Question 4 5459 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7420 August 18, 2011
by Ralphxyz
Building a coil?? 12 7230 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4715 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4371 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4199 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4133 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24297 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5465 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4872 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4582 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4625 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7426 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4287 July 17, 2011
by codenamejupiterx
avr macpack 3 4658 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4648 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4757 July 13, 2011
by BobaMosfet
Battery clip wires 3 4199 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4094 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4381 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4631 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5094 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25435 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4609 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4837 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6955 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4894 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4905 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4777 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5400 June 06, 2011
by mja
A couple of questions 3 4508 June 06, 2011
by Ralphxyz
How much should I strip? 3 4574 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5057 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4459 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4793 May 29, 2011
by Rick_S
Digital Input Question 4 4528 May 28, 2011
by frankdwest
PCB arrived 20 4512 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5159 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24200 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5114 May 09, 2011
by Noter
IR current 6 4811 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5539 May 04, 2011
by hariharan
Heat sensors 21 5918 May 04, 2011
by Hexorg
error 1 2 4409 May 02, 2011
by hevans
Transistor vs mosfet 13 12708 May 01, 2011
by Noter
PCB trace width calculator 3 5970 April 24, 2011
by esoderberg
OLED display 10 5694 April 23, 2011
by Rick_S
Power Supplies 17 6240 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4331 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5037 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4489 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5509 April 19, 2011
by mongo
Connecting to external control voltages 4 4457 April 19, 2011
by bretm
IR current question 7 4581 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5372 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5571 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4829 April 10, 2011
by uml_12
Basic projects 3 4501 April 09, 2011
by mongo
REFLOW oven 22 7464 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14858 April 07, 2011
by bretm
unexpected MCU rebooting 82 9536 April 05, 2011
by sask55
REFLOW Soldering 3 5467 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4801 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7149 March 30, 2011
by bretm
Black Display on LCD 6 4768 March 28, 2011
by Druidman
32kHz clock 2 4420 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11683 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12286 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6641 March 16, 2011
by mongo
LCD problem 3 4810 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5442 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5516 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4520 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8254 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5469 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5410 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12463 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9209 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6097 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9558 February 19, 2011
by Lusitania
My first Impression 6 4937 February 16, 2011
by devinsbusiness
Understanding battery life 3 6262 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5828 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5471 February 05, 2011
by BobaMosfet
High voltage lines 26 7671 February 02, 2011
by mongo
USB 3 4476 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5556 February 02, 2011
by Jalex
Alternating LED circuit 4 5431 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6774 January 31, 2011
by il1019
Affordable oscilloscopes 43 15157 January 27, 2011
by BStory
"And"gate unfinished thought 2 4632 January 27, 2011
by Hexorg
replace MCU? 30 9745 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5201 January 25, 2011
by Ralphxyz
Multimeter! 12 7492 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6134 January 25, 2011
by Jalex
My LED Cube so far 25 10913 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5925 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5361 January 18, 2011
by dgikuljot
Counting 5 4584 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9238 January 17, 2011
by bretm
Programming 5 5465 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5650 January 11, 2011
by Yourself
Begining 7 5733 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6113 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5439 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4761 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5301 January 06, 2011
by Mujda
Data input voltage 6 5295 January 03, 2011
by Rick_S
MOSFET Question 7 5451 December 31, 2010
by Keyster
Transistor as a switch 5 5491 December 29, 2010
by Hexorg
Resistors 5 5847 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10796 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5704 December 28, 2010
by BobaMosfet
Relay ratings 2 5011 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20360 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4844 December 17, 2010
by mongo
Power Rectifier 7 7140 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7486 December 14, 2010
by danuke
This a decent oscilloscope? 8 5251 December 14, 2010
by danuke
Do resistors in series really add up? 8 6685 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6076 December 09, 2010
by bretm
L293 H-Bridge 15 6765 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6982 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7148 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6049 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6574 November 24, 2010
by BobaMosfet
Op-amp not working 6 6848 November 24, 2010
by BobaMosfet
Python questions 4 5805 November 21, 2010
by tkopriva
CE Amp design 5 5362 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5248 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5104 November 05, 2010
by Mujda
PC4 not working?! 8 4967 November 04, 2010
by hapshetsut
Amplifiers 4 4918 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5781 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5876 October 04, 2010
by Scythium
radio interference from NerdKit 11 5003 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9627 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5474 September 11, 2010
by akajester
QFP and dreadboard 2 5377 September 02, 2010
by bretm
Getting power to the spinning part... 5 5232 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13192 August 30, 2010
by Ralphxyz
morse code decoder 2 5344 August 26, 2010
by jonathan_m
Connecting to Computer 3 5329 August 25, 2010
by awesome
555 astable on breadboard 12 6836 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4950 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5449 August 19, 2010
by hevans
mosfet 3 4709 August 13, 2010
by hevans
Good material on learning electronics. 8 5712 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4594 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7327 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6535 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9950 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 7011 July 02, 2010
by mongo
Electro Cardio Gram 4 5898 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4653 June 12, 2010
by Wobbler
Voltage Regulator 20 6377 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5925 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6595 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6234 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5432 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4669 June 06, 2010
by Kafke
TSSOP IC! 4 5439 June 03, 2010
by mrobbins
AVcc 2 5672 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4876 May 31, 2010
by hevans
Cable Driver 2 4556 May 31, 2010
by mongo
Best 9V adapter to use 2 4995 May 28, 2010
by mongo
Unidirectional microphones 5 5234 May 27, 2010
by mongo
Servo question 3 4718 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5404 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5257 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6932 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11912 May 21, 2010
by hevans
Chinese Solenoid 15 5233 May 10, 2010
by treymd
avrisp mkii circuit 4 6438 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4779 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10148 May 07, 2010
by rajabalu21
Simple Power Switch 6 4863 May 05, 2010
by avicell
I can haz speed! 3 5217 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6730 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5561 April 21, 2010
by bretm
Help with choosing the right resistor 10 6662 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11436 April 15, 2010
by bretm
Resistor 4 4580 April 15, 2010
by mongo
MCU digital input pins 3 4782 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5066 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10953 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 7007 March 28, 2010
by carlhako
Laptop ground safety question 3 5089 March 27, 2010
by ese
LM34 R-C Damper 5 6671 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5388 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4691 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6701 March 23, 2010
by ese
constant system reset 3 4586 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5361 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6448 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5687 March 17, 2010
by Frozenlock
What is -VS? 6 8758 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6498 March 04, 2010
by treymd
Using MCU to connect two wires 3 5582 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10386 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 5018 March 02, 2010
by Solorbob
Deciphering power resistors 11 5405 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4784 March 01, 2010
by nrotstan
Understanding LEDs 16 8008 March 01, 2010
by michaeldallas
What's the part I need? 5 4894 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11936 February 23, 2010
by rajabalu21
Too much power? 14 5642 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6303 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6260 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13800 February 18, 2010
by Rick_S
Serial port interface circuit 2 5791 February 17, 2010
by mongo
OBDII project 3 4852 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8463 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7623 February 13, 2010
by BobaMosfet
Digital pots 5 5082 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5407 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6285 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7695 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7843 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5646 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7444 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11342 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 6037 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5240 December 27, 2009
by jgauthier
Servo Signal Noise 2 4796 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8181 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11643 December 10, 2009
by georgio
Relays and transistors 12 9621 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9686 December 09, 2009
by Rick_S
IR Detector 7 9228 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5849 November 19, 2009
by mikedoug
Debug with lcd 6 5809 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5274 November 15, 2009
by tech20
Understanding output pin characteristics 4 5186 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7194 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5460 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49318 October 30, 2009
by BobaMosfet
DIY header unit 2 5632 October 10, 2009
by rusirius
Thermostat Logging 6 7295 October 09, 2009
by luke
Understanding transistors 6 6976 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10966 October 07, 2009
by mikedoug
Currant booster 3 4792 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5774 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13828 August 27, 2009
by hevans
Which LED? 14 5547 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6579 August 07, 2009
by mongo
pull up, pull down resistors 7 18005 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 12001 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7828 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7223 July 07, 2009
by sector0
Reset switch for circuit 3 5451 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32089 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6587 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5351 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5508 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5976 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5321 May 06, 2009
by paulip

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Did you know that 20 LEDs can be controlled from 11 microcontroller pins, to make a twinkling heart outline? Learn more...