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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8978 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8337 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 7053 April 12, 2016
by Ralphxyz
USBasp Help! 3 5962 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8240 May 04, 2015
by mongo
Need to replace Wall Watt 16 5451 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5107 April 10, 2015
by Noter
My new 3D Printer 44 20686 April 07, 2015
by Rick_S
AtMega 644 2 5133 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4177 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4867 June 02, 2014
by JKITSON
Automated programming mode? 9 5155 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4722 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4754 January 28, 2014
by lailai
What kind of error is this? 4 4541 January 23, 2014
by Noter
How to double a DC voltage? 20 11980 January 12, 2014
by JKITSON
Is the code the driver? 2 4443 January 12, 2014
by Ralphxyz
Miniature headers 6 4658 January 01, 2014
by Ralphxyz
BLDC 8 4753 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5347 November 26, 2013
by Rick_S
GLCD SPI problems 14 8612 November 10, 2013
by andyi
Moving on... 7 4547 November 08, 2013
by Pr0ject
Power supply questions 4 6125 October 31, 2013
by sask55
OLED 4 4320 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16366 September 22, 2013
by sask55
Opto Interrupter once again 14 9020 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4727 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11776 September 02, 2013
by Ralphxyz
USB cable specifications 7 6314 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5253 August 27, 2013
by Affarram
XMEGA Breakout 8 5623 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4272 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4950 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4993 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11690 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16342 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4290 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4889 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66412 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4082 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4649 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8825 March 14, 2013
by mongo
Current vs Voltage 8 5717 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5297 March 09, 2013
by lnino
Electric current 2 4063 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 7008 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9906 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9523 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5144 February 24, 2013
by lnino
Relay Question 27 8413 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8105 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5595 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5443 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5225 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4801 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5507 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4807 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5630 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4149 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4215 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4708 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10312 November 18, 2012
by carlhako
SPI slave clock 6 4945 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4325 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31573 October 23, 2012
by Noter
NPN circuit connection quandry 4 4899 September 24, 2012
by edb
Simple I/O circuit 4 4554 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4321 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4070 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6893 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4548 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6942 September 13, 2012
by dan_engbers
Electronics simulation 8 5179 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7353 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4459 August 20, 2012
by rblalock
louder sound 2 4226 August 18, 2012
by mongo
connector or cable for LCD display? 4 4445 August 13, 2012
by missle3944
Powering L.E.Ds 5 4570 August 09, 2012
by BobaMosfet
Wires in U.K 5 5041 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4958 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 8098 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7628 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5427 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22959 July 21, 2012
by lnino
um help 6 4032 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5089 July 18, 2012
by Ralphxyz
help me 11 4950 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4348 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5667 June 24, 2012
by Ralphxyz
HELP 3 4078 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15089 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4194 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6120 June 17, 2012
by RogerFL
Programmable current source 6 6188 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5716 June 11, 2012
by mongo
HELP 6 4413 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4816 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52578 May 24, 2012
by Ralphxyz
i need a code 8 4815 May 15, 2012
by pcbolt
Clock Accuracy 30 9485 May 14, 2012
by HexManiac
Relays and Controlling them 9 4795 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 5062 May 09, 2012
by RogerFL
Powering your NerdKit 7 4633 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4666 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7922 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5056 April 24, 2012
by pcbolt
Programs will not run 6 4550 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5205 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4852 April 09, 2012
by Ralphxyz
Path Lights controller 2 4415 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4531 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5079 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4626 April 01, 2012
by JamesFysh
Question on LCD screen 5 4648 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4603 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5943 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5546 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9275 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4714 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 6035 March 15, 2012
by mongo
Digital servo issues! 9 5260 March 15, 2012
by Rick_S
Brushless motor control 16 5591 March 12, 2012
by hevans
Windows not detecting device 3 4386 March 10, 2012
by hevans
Voltage throught MCU 5 4397 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20296 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 12151 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21568 March 01, 2012
by hevans
Up and running... 3 4182 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4844 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5201 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4428 February 24, 2012
by Rick_S
programming lcd trubs 7 4539 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5214 February 18, 2012
by Rick_S
Oscilloscope 15 6503 February 18, 2012
by Osarus
How far away can a LM34 be? 16 11021 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5641 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4826 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 12123 February 09, 2012
by mongo
Data transmission 3 5376 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5186 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6762 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4687 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4216 January 31, 2012
by tchilzer2
H bridge questions 6 5012 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4759 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5179 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5384 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8518 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 5045 January 15, 2012
by Rick_S
Source of power? 19 5190 January 13, 2012
by mongo
symbol defined please? 4 4851 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18253 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4762 January 06, 2012
by boxvic
Basic LED circuit properties 8 4985 January 06, 2012
by boxvic
Getting Started 3 4455 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5647 January 02, 2012
by bodangly
SMD reflow 16 5762 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4709 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5371 December 23, 2011
by BobaMosfet
Potentiometer 8 6358 December 23, 2011
by huzbum
Fun with Op-Amps 3 6589 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5669 December 19, 2011
by n1cl3
Odessy of the minds 5 4898 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4284 November 27, 2011
by sazD
Initial Load 2 4924 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5668 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6341 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4997 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10180 November 10, 2011
by jfbrink
Servo Squitter Project 13 4750 November 09, 2011
by Heed
how do i run a program 4 4301 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4557 November 07, 2011
by Heed
Motor control question 2 4346 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10083 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4624 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4511 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 97860 October 24, 2011
by glendon
Measuring Capacitance 9 6043 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4649 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6403 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23330 October 16, 2011
by sask55
RxD / TxD Questions 10 7986 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4739 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4632 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4917 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4416 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 14308 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6115 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24633 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13361 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4356 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7949 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14091 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 9070 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5501 September 01, 2011
by BobaMosfet
Dim LED 3 4323 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4829 August 23, 2011
by Twarter369
Easy Transistor Question 4 5482 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7441 August 18, 2011
by Ralphxyz
Building a coil?? 12 7256 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4735 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4389 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4216 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4159 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24322 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5483 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4893 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4599 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4639 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7452 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4303 July 17, 2011
by codenamejupiterx
avr macpack 3 4682 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4669 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4781 July 13, 2011
by BobaMosfet
Battery clip wires 3 4214 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4114 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4401 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4654 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5112 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25469 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4631 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4853 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6984 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4922 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4935 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4802 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5439 June 06, 2011
by mja
A couple of questions 3 4538 June 06, 2011
by Ralphxyz
How much should I strip? 3 4592 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5078 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4483 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4812 May 29, 2011
by Rick_S
Digital Input Question 4 4548 May 28, 2011
by frankdwest
PCB arrived 20 4534 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5185 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24238 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5135 May 09, 2011
by Noter
IR current 6 4834 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5567 May 04, 2011
by hariharan
Heat sensors 21 5941 May 04, 2011
by Hexorg
error 1 2 4426 May 02, 2011
by hevans
Transistor vs mosfet 13 12737 May 01, 2011
by Noter
PCB trace width calculator 3 5988 April 24, 2011
by esoderberg
OLED display 10 5712 April 23, 2011
by Rick_S
Power Supplies 17 6260 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4351 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5058 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4514 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5543 April 19, 2011
by mongo
Connecting to external control voltages 4 4479 April 19, 2011
by bretm
IR current question 7 4601 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5396 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5588 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4847 April 10, 2011
by uml_12
Basic projects 3 4524 April 09, 2011
by mongo
REFLOW oven 22 7485 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14903 April 07, 2011
by bretm
unexpected MCU rebooting 82 9574 April 05, 2011
by sask55
REFLOW Soldering 3 5493 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4820 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7171 March 30, 2011
by bretm
Black Display on LCD 6 4785 March 28, 2011
by Druidman
32kHz clock 2 4438 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11723 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12324 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6660 March 16, 2011
by mongo
LCD problem 3 4829 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5462 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5538 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4538 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8282 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5499 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5428 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12487 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9241 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6118 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9580 February 19, 2011
by Lusitania
My first Impression 6 4959 February 16, 2011
by devinsbusiness
Understanding battery life 3 6290 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5843 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5490 February 05, 2011
by BobaMosfet
High voltage lines 26 7695 February 02, 2011
by mongo
USB 3 4494 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5580 February 02, 2011
by Jalex
Alternating LED circuit 4 5450 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6796 January 31, 2011
by il1019
Affordable oscilloscopes 43 15204 January 27, 2011
by BStory
"And"gate unfinished thought 2 4652 January 27, 2011
by Hexorg
replace MCU? 30 9769 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5222 January 25, 2011
by Ralphxyz
Multimeter! 12 7512 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6157 January 25, 2011
by Jalex
My LED Cube so far 25 10937 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5942 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5377 January 18, 2011
by dgikuljot
Counting 5 4607 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9265 January 17, 2011
by bretm
Programming 5 5486 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5667 January 11, 2011
by Yourself
Begining 7 5754 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6134 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5457 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4781 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5321 January 06, 2011
by Mujda
Data input voltage 6 5318 January 03, 2011
by Rick_S
MOSFET Question 7 5478 December 31, 2010
by Keyster
Transistor as a switch 5 5508 December 29, 2010
by Hexorg
Resistors 5 5865 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10822 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5729 December 28, 2010
by BobaMosfet
Relay ratings 2 5027 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20380 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4863 December 17, 2010
by mongo
Power Rectifier 7 7165 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7503 December 14, 2010
by danuke
This a decent oscilloscope? 8 5274 December 14, 2010
by danuke
Do resistors in series really add up? 8 6705 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6098 December 09, 2010
by bretm
L293 H-Bridge 15 6784 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 7008 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7170 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6076 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6598 November 24, 2010
by BobaMosfet
Op-amp not working 6 6869 November 24, 2010
by BobaMosfet
Python questions 4 5824 November 21, 2010
by tkopriva
CE Amp design 5 5384 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5263 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5126 November 05, 2010
by Mujda
PC4 not working?! 8 4985 November 04, 2010
by hapshetsut
Amplifiers 4 4935 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5806 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5902 October 04, 2010
by Scythium
radio interference from NerdKit 11 5025 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9648 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5497 September 11, 2010
by akajester
QFP and dreadboard 2 5395 September 02, 2010
by bretm
Getting power to the spinning part... 5 5247 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13220 August 30, 2010
by Ralphxyz
morse code decoder 2 5363 August 26, 2010
by jonathan_m
Connecting to Computer 3 5342 August 25, 2010
by awesome
555 astable on breadboard 12 6856 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4970 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5466 August 19, 2010
by hevans
mosfet 3 4732 August 13, 2010
by hevans
Good material on learning electronics. 8 5736 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4615 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7360 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6556 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9976 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 7032 July 02, 2010
by mongo
Electro Cardio Gram 4 5919 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4673 June 12, 2010
by Wobbler
Voltage Regulator 20 6398 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5945 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6617 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6251 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5455 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4683 June 06, 2010
by Kafke
TSSOP IC! 4 5458 June 03, 2010
by mrobbins
AVcc 2 5687 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4898 May 31, 2010
by hevans
Cable Driver 2 4577 May 31, 2010
by mongo
Best 9V adapter to use 2 5010 May 28, 2010
by mongo
Unidirectional microphones 5 5246 May 27, 2010
by mongo
Servo question 3 4746 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5422 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5277 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6948 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11943 May 21, 2010
by hevans
Chinese Solenoid 15 5258 May 10, 2010
by treymd
avrisp mkii circuit 4 6454 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4799 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10176 May 07, 2010
by rajabalu21
Simple Power Switch 6 4882 May 05, 2010
by avicell
I can haz speed! 3 5238 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6754 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5596 April 21, 2010
by bretm
Help with choosing the right resistor 10 6684 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11463 April 15, 2010
by bretm
Resistor 4 4598 April 15, 2010
by mongo
MCU digital input pins 3 4800 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5085 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10968 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 7031 March 28, 2010
by carlhako
Laptop ground safety question 3 5104 March 27, 2010
by ese
LM34 R-C Damper 5 6696 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5406 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4711 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6721 March 23, 2010
by ese
constant system reset 3 4602 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5381 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6468 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5703 March 17, 2010
by Frozenlock
What is -VS? 6 8780 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6514 March 04, 2010
by treymd
Using MCU to connect two wires 3 5599 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10416 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 5036 March 02, 2010
by Solorbob
Deciphering power resistors 11 5427 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4802 March 01, 2010
by nrotstan
Understanding LEDs 16 8034 March 01, 2010
by michaeldallas
What's the part I need? 5 4912 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11959 February 23, 2010
by rajabalu21
Too much power? 14 5664 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6323 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6279 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13824 February 18, 2010
by Rick_S
Serial port interface circuit 2 5812 February 17, 2010
by mongo
OBDII project 3 4872 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8483 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7645 February 13, 2010
by BobaMosfet
Digital pots 5 5105 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5432 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6307 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7716 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7871 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5664 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7464 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11370 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 6058 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5260 December 27, 2009
by jgauthier
Servo Signal Noise 2 4819 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8202 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11664 December 10, 2009
by georgio
Relays and transistors 12 9644 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9704 December 09, 2009
by Rick_S
IR Detector 7 9255 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5865 November 19, 2009
by mikedoug
Debug with lcd 6 5826 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5290 November 15, 2009
by tech20
Understanding output pin characteristics 4 5205 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7218 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5485 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49359 October 30, 2009
by BobaMosfet
DIY header unit 2 5655 October 10, 2009
by rusirius
Thermostat Logging 6 7327 October 09, 2009
by luke
Understanding transistors 6 6994 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10988 October 07, 2009
by mikedoug
Currant booster 3 4812 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5791 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13854 August 27, 2009
by hevans
Which LED? 14 5566 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6607 August 07, 2009
by mongo
pull up, pull down resistors 7 18024 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 12034 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7850 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7244 July 07, 2009
by sector0
Reset switch for circuit 3 5471 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32121 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6609 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5366 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5531 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5993 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5342 May 06, 2009
by paulip

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