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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 9150 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8469 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 7183 April 12, 2016
by Ralphxyz
USBasp Help! 3 6095 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8381 May 04, 2015
by mongo
Need to replace Wall Watt 16 5582 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5213 April 10, 2015
by Noter
My new 3D Printer 44 20792 April 07, 2015
by Rick_S
AtMega 644 2 5221 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4274 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4967 June 02, 2014
by JKITSON
Automated programming mode? 9 5255 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4817 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4855 January 28, 2014
by lailai
What kind of error is this? 4 4616 January 23, 2014
by Noter
How to double a DC voltage? 20 12108 January 12, 2014
by JKITSON
Is the code the driver? 2 4531 January 12, 2014
by Ralphxyz
Miniature headers 6 4741 January 01, 2014
by Ralphxyz
BLDC 8 4851 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5447 November 26, 2013
by Rick_S
GLCD SPI problems 14 8756 November 10, 2013
by andyi
Moving on... 7 4654 November 08, 2013
by Pr0ject
Power supply questions 4 6222 October 31, 2013
by sask55
OLED 4 4402 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16564 September 22, 2013
by sask55
Opto Interrupter once again 14 9163 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4817 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11925 September 02, 2013
by Ralphxyz
USB cable specifications 7 6482 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5356 August 27, 2013
by Affarram
XMEGA Breakout 8 5718 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4374 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 5056 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 5081 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11926 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16600 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4389 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4983 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66652 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4166 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4740 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8956 March 14, 2013
by mongo
Current vs Voltage 8 5816 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5400 March 09, 2013
by lnino
Electric current 2 4145 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 7095 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 10039 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9746 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5242 February 24, 2013
by lnino
Relay Question 27 8529 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8211 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5690 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5516 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5319 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4879 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5611 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4918 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5729 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4249 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4300 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4825 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10464 November 18, 2012
by carlhako
SPI slave clock 6 5033 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4409 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31825 October 23, 2012
by Noter
NPN circuit connection quandry 4 4984 September 24, 2012
by edb
Simple I/O circuit 4 4640 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4406 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4150 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 7010 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4636 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 7028 September 13, 2012
by dan_engbers
Electronics simulation 8 5273 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7466 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4537 August 20, 2012
by rblalock
louder sound 2 4320 August 18, 2012
by mongo
connector or cable for LCD display? 4 4532 August 13, 2012
by missle3944
Powering L.E.Ds 5 4669 August 09, 2012
by BobaMosfet
Wires in U.K 5 5139 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 5056 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 8245 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7726 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5557 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 23097 July 21, 2012
by lnino
um help 6 4119 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5169 July 18, 2012
by Ralphxyz
help me 11 5035 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4439 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5759 June 24, 2012
by Ralphxyz
HELP 3 4157 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15215 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4281 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6203 June 17, 2012
by RogerFL
Programmable current source 6 6311 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5794 June 11, 2012
by mongo
HELP 6 4497 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4924 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52836 May 24, 2012
by Ralphxyz
i need a code 8 4906 May 15, 2012
by pcbolt
Clock Accuracy 30 9604 May 14, 2012
by HexManiac
Relays and Controlling them 9 4882 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 5144 May 09, 2012
by RogerFL
Powering your NerdKit 7 4725 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4754 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 8048 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5141 April 24, 2012
by pcbolt
Programs will not run 6 4632 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5309 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4938 April 09, 2012
by Ralphxyz
Path Lights controller 2 4498 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4629 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5174 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4715 April 01, 2012
by JamesFysh
Question on LCD screen 5 4746 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4715 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 6038 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5660 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9368 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4804 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 6202 March 15, 2012
by mongo
Digital servo issues! 9 5354 March 15, 2012
by Rick_S
Brushless motor control 16 5687 March 12, 2012
by hevans
Windows not detecting device 3 4480 March 10, 2012
by hevans
Voltage throught MCU 5 4488 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20430 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 12281 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21818 March 01, 2012
by hevans
Up and running... 3 4277 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4956 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5291 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4508 February 24, 2012
by Rick_S
programming lcd trubs 7 4647 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5305 February 18, 2012
by Rick_S
Oscilloscope 15 6614 February 18, 2012
by Osarus
How far away can a LM34 be? 16 11150 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5751 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4920 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 12333 February 09, 2012
by mongo
Data transmission 3 5458 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5267 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6858 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4795 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4296 January 31, 2012
by tchilzer2
H bridge questions 6 5096 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4847 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5283 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5489 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8611 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 5151 January 15, 2012
by Rick_S
Source of power? 19 5314 January 13, 2012
by mongo
symbol defined please? 4 4936 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18379 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4852 January 06, 2012
by boxvic
Basic LED circuit properties 8 5075 January 06, 2012
by boxvic
Getting Started 3 4548 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5741 January 02, 2012
by bodangly
SMD reflow 16 5862 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4791 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5464 December 23, 2011
by BobaMosfet
Potentiometer 8 6478 December 23, 2011
by huzbum
Fun with Op-Amps 3 6692 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5762 December 19, 2011
by n1cl3
Odessy of the minds 5 4981 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4373 November 27, 2011
by sazD
Initial Load 2 5006 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5755 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6437 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 5083 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10273 November 10, 2011
by jfbrink
Servo Squitter Project 13 4848 November 09, 2011
by Heed
how do i run a program 4 4390 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4634 November 07, 2011
by Heed
Motor control question 2 4435 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10195 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4707 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4612 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 98286 October 24, 2011
by glendon
Measuring Capacitance 9 6136 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4732 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6486 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23585 October 16, 2011
by sask55
RxD / TxD Questions 10 8114 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4833 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4726 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 5009 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4501 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 14563 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6213 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24787 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13522 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4430 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 8047 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14238 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 9196 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5604 September 01, 2011
by BobaMosfet
Dim LED 3 4422 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4923 August 23, 2011
by Twarter369
Easy Transistor Question 4 5590 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7551 August 18, 2011
by Ralphxyz
Building a coil?? 12 7364 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4821 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4478 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4297 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4257 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24415 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5561 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4971 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4691 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4726 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7553 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4402 July 17, 2011
by codenamejupiterx
avr macpack 3 4759 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4769 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4875 July 13, 2011
by BobaMosfet
Battery clip wires 3 4297 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4198 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4484 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4741 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5197 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25595 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4704 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4929 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 7083 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 5023 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 5018 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4888 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5563 June 06, 2011
by mja
A couple of questions 3 4633 June 06, 2011
by Ralphxyz
How much should I strip? 3 4672 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5164 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4580 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4884 May 29, 2011
by Rick_S
Digital Input Question 4 4650 May 28, 2011
by frankdwest
PCB arrived 20 4633 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5274 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24407 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5211 May 09, 2011
by Noter
IR current 6 4925 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5695 May 04, 2011
by hariharan
Heat sensors 21 6040 May 04, 2011
by Hexorg
error 1 2 4511 May 02, 2011
by hevans
Transistor vs mosfet 13 12861 May 01, 2011
by Noter
PCB trace width calculator 3 6072 April 24, 2011
by esoderberg
OLED display 10 5793 April 23, 2011
by Rick_S
Power Supplies 17 6349 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4433 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5147 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4623 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5633 April 19, 2011
by mongo
Connecting to external control voltages 4 4573 April 19, 2011
by bretm
IR current question 7 4689 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5493 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5683 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4929 April 10, 2011
by uml_12
Basic projects 3 4595 April 09, 2011
by mongo
REFLOW oven 22 7582 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 15044 April 07, 2011
by bretm
unexpected MCU rebooting 82 9728 April 05, 2011
by sask55
REFLOW Soldering 3 5589 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4914 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7303 March 30, 2011
by bretm
Black Display on LCD 6 4867 March 28, 2011
by Druidman
32kHz clock 2 4533 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11905 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12482 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6749 March 16, 2011
by mongo
LCD problem 3 4922 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5562 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5622 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4620 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8406 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5602 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5510 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12572 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9357 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6205 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9707 February 19, 2011
by Lusitania
My first Impression 6 5051 February 16, 2011
by devinsbusiness
Understanding battery life 3 6395 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5935 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5595 February 05, 2011
by BobaMosfet
High voltage lines 26 7804 February 02, 2011
by mongo
USB 3 4580 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5662 February 02, 2011
by Jalex
Alternating LED circuit 4 5543 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6885 January 31, 2011
by il1019
Affordable oscilloscopes 43 15363 January 27, 2011
by BStory
"And"gate unfinished thought 2 4739 January 27, 2011
by Hexorg
replace MCU? 30 9893 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5327 January 25, 2011
by Ralphxyz
Multimeter! 12 7600 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6237 January 25, 2011
by Jalex
My LED Cube so far 25 11030 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 6029 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5469 January 18, 2011
by dgikuljot
Counting 5 4705 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9347 January 17, 2011
by bretm
Programming 5 5573 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5771 January 11, 2011
by Yourself
Begining 7 5855 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6216 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5542 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4874 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5414 January 06, 2011
by Mujda
Data input voltage 6 5402 January 03, 2011
by Rick_S
MOSFET Question 7 5602 December 31, 2010
by Keyster
Transistor as a switch 5 5603 December 29, 2010
by Hexorg
Resistors 5 5974 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10927 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5812 December 28, 2010
by BobaMosfet
Relay ratings 2 5110 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20517 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4958 December 17, 2010
by mongo
Power Rectifier 7 7264 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7609 December 14, 2010
by danuke
This a decent oscilloscope? 8 5362 December 14, 2010
by danuke
Do resistors in series really add up? 8 6803 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6183 December 09, 2010
by bretm
L293 H-Bridge 15 6876 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 7105 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7291 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6168 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6700 November 24, 2010
by BobaMosfet
Op-amp not working 6 6960 November 24, 2010
by BobaMosfet
Python questions 4 5919 November 21, 2010
by tkopriva
CE Amp design 5 5474 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5365 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5228 November 05, 2010
by Mujda
PC4 not working?! 8 5073 November 04, 2010
by hapshetsut
Amplifiers 4 5022 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5896 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 6004 October 04, 2010
by Scythium
radio interference from NerdKit 11 5111 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9732 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5594 September 11, 2010
by akajester
QFP and dreadboard 2 5501 September 02, 2010
by bretm
Getting power to the spinning part... 5 5330 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13321 August 30, 2010
by Ralphxyz
morse code decoder 2 5435 August 26, 2010
by jonathan_m
Connecting to Computer 3 5424 August 25, 2010
by awesome
555 astable on breadboard 12 6938 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 5053 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5542 August 19, 2010
by hevans
mosfet 3 4813 August 13, 2010
by hevans
Good material on learning electronics. 8 5823 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4704 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7483 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6665 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 10128 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 7115 July 02, 2010
by mongo
Electro Cardio Gram 4 6033 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4746 June 12, 2010
by Wobbler
Voltage Regulator 20 6506 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 6033 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6706 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6338 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5552 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4769 June 06, 2010
by Kafke
TSSOP IC! 4 5547 June 03, 2010
by mrobbins
AVcc 2 5773 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4986 May 31, 2010
by hevans
Cable Driver 2 4663 May 31, 2010
by mongo
Best 9V adapter to use 2 5091 May 28, 2010
by mongo
Unidirectional microphones 5 5328 May 27, 2010
by mongo
Servo question 3 4836 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5515 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5366 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 7029 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 12066 May 21, 2010
by hevans
Chinese Solenoid 15 5362 May 10, 2010
by treymd
avrisp mkii circuit 4 6533 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4891 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10296 May 07, 2010
by rajabalu21
Simple Power Switch 6 4976 May 05, 2010
by avicell
I can haz speed! 3 5329 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6866 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5685 April 21, 2010
by bretm
Help with choosing the right resistor 10 6777 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11612 April 15, 2010
by bretm
Resistor 4 4689 April 15, 2010
by mongo
MCU digital input pins 3 4902 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5184 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 11085 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 7120 March 28, 2010
by carlhako
Laptop ground safety question 3 5188 March 27, 2010
by ese
LM34 R-C Damper 5 6807 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5494 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4789 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6832 March 23, 2010
by ese
constant system reset 3 4706 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5477 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6568 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5785 March 17, 2010
by Frozenlock
What is -VS? 6 8889 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6600 March 04, 2010
by treymd
Using MCU to connect two wires 3 5685 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10561 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 5122 March 02, 2010
by Solorbob
Deciphering power resistors 11 5526 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4885 March 01, 2010
by nrotstan
Understanding LEDs 16 8145 March 01, 2010
by michaeldallas
What's the part I need? 5 5000 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 12068 February 23, 2010
by rajabalu21
Too much power? 14 5758 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6414 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6378 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13975 February 18, 2010
by Rick_S
Serial port interface circuit 2 5902 February 17, 2010
by mongo
OBDII project 3 4971 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8594 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7747 February 13, 2010
by BobaMosfet
Digital pots 5 5209 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5534 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6398 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7810 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7973 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5747 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7596 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11490 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 6160 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5357 December 27, 2009
by jgauthier
Servo Signal Noise 2 4914 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8300 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11782 December 10, 2009
by georgio
Relays and transistors 12 9742 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9806 December 09, 2009
by Rick_S
IR Detector 7 9372 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5961 November 19, 2009
by mikedoug
Debug with lcd 6 5922 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5373 November 15, 2009
by tech20
Understanding output pin characteristics 4 5305 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7313 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5577 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49573 October 30, 2009
by BobaMosfet
DIY header unit 2 5758 October 10, 2009
by rusirius
Thermostat Logging 6 7422 October 09, 2009
by luke
Understanding transistors 6 7087 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 11072 October 07, 2009
by mikedoug
Currant booster 3 4922 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5880 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13954 August 27, 2009
by hevans
Which LED? 14 5670 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6707 August 07, 2009
by mongo
pull up, pull down resistors 7 18123 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 12168 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7961 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7357 July 07, 2009
by sector0
Reset switch for circuit 3 5559 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32222 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6705 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5448 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5616 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 6073 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5428 May 06, 2009
by paulip

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