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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8434 July 27, 2019
by BobaMosfet
mosfet control during start up 5 7950 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6719 April 12, 2016
by Ralphxyz
USBasp Help! 3 5620 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 7817 May 04, 2015
by mongo
Need to replace Wall Watt 16 5116 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4804 April 10, 2015
by Noter
My new 3D Printer 44 20360 April 07, 2015
by Rick_S
AtMega 644 2 4932 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 3968 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4546 June 02, 2014
by JKITSON
Automated programming mode? 9 4865 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4475 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4421 January 28, 2014
by lailai
What kind of error is this? 4 4348 January 23, 2014
by Noter
How to double a DC voltage? 20 11631 January 12, 2014
by JKITSON
Is the code the driver? 2 4133 January 12, 2014
by Ralphxyz
Miniature headers 6 4444 January 01, 2014
by Ralphxyz
BLDC 8 4465 December 23, 2013
by esoderberg
I need help finding a terminal. 17 4990 November 26, 2013
by Rick_S
GLCD SPI problems 14 8311 November 10, 2013
by andyi
Moving on... 7 4310 November 08, 2013
by Pr0ject
Power supply questions 4 5755 October 31, 2013
by sask55
OLED 4 4033 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 15905 September 22, 2013
by sask55
Opto Interrupter once again 14 8617 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4489 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11369 September 02, 2013
by Ralphxyz
USB cable specifications 7 5842 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 4908 August 27, 2013
by Affarram
XMEGA Breakout 8 5299 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4038 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4711 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4738 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 10870 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15500 June 18, 2013
by Noter
Two Wrongs Make it Right 3 3975 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4647 April 08, 2013
by pcbolt
Using diode to drop voltage 12 65595 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3860 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4320 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8474 March 14, 2013
by mongo
Current vs Voltage 8 5406 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5047 March 09, 2013
by lnino
Electric current 2 3846 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6786 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9427 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 8820 February 28, 2013
by BobaMosfet
Control electronic door opener 15 4873 February 24, 2013
by lnino
Relay Question 27 8114 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7779 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5309 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5235 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 4945 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4567 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5154 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4514 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5361 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 3916 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4011 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4496 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 9850 November 18, 2012
by carlhako
SPI slave clock 6 4686 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4110 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 30477 October 23, 2012
by Noter
NPN circuit connection quandry 4 4659 September 24, 2012
by edb
Simple I/O circuit 4 4314 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4111 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3769 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6473 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4333 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6688 September 13, 2012
by dan_engbers
Electronics simulation 8 4984 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7056 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4231 August 20, 2012
by rblalock
louder sound 2 4004 August 18, 2012
by mongo
connector or cable for LCD display? 4 4229 August 13, 2012
by missle3944
Powering L.E.Ds 5 4352 August 09, 2012
by BobaMosfet
Wires in U.K 5 4824 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4738 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7628 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7358 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5136 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22603 July 21, 2012
by lnino
um help 6 3826 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4850 July 18, 2012
by Ralphxyz
help me 11 4704 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4113 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5372 June 24, 2012
by Ralphxyz
HELP 3 3872 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14735 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 3985 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5905 June 17, 2012
by RogerFL
Programmable current source 6 5817 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5490 June 11, 2012
by mongo
HELP 6 4192 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4548 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 50015 May 24, 2012
by Ralphxyz
i need a code 8 4594 May 15, 2012
by pcbolt
Clock Accuracy 30 9219 May 14, 2012
by HexManiac
Relays and Controlling them 9 4543 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4820 May 09, 2012
by RogerFL
Powering your NerdKit 7 4405 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4436 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7616 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4859 April 24, 2012
by pcbolt
Programs will not run 6 4315 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 4946 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4632 April 09, 2012
by Ralphxyz
Path Lights controller 2 4190 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4304 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4811 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4408 April 01, 2012
by JamesFysh
Question on LCD screen 5 4415 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4358 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5625 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5264 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 8977 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4485 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5618 March 15, 2012
by mongo
Digital servo issues! 9 4984 March 15, 2012
by Rick_S
Brushless motor control 16 5344 March 12, 2012
by hevans
Windows not detecting device 3 4148 March 10, 2012
by hevans
Voltage throught MCU 5 4128 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 19886 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11649 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 20721 March 01, 2012
by hevans
Up and running... 3 3950 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4616 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 4944 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4192 February 24, 2012
by Rick_S
programming lcd trubs 7 4251 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 4969 February 18, 2012
by Rick_S
Oscilloscope 15 6237 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10635 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5407 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4585 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11092 February 09, 2012
by mongo
Data transmission 3 5168 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 4960 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6489 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4443 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4009 January 31, 2012
by tchilzer2
H bridge questions 6 4773 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4510 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 4891 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5120 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8239 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4793 January 15, 2012
by Rick_S
Source of power? 19 4912 January 13, 2012
by mongo
symbol defined please? 4 4652 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 17742 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4523 January 06, 2012
by boxvic
Basic LED circuit properties 8 4736 January 06, 2012
by boxvic
Getting Started 3 4240 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5420 January 02, 2012
by bodangly
SMD reflow 16 5506 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4469 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5157 December 23, 2011
by BobaMosfet
Potentiometer 8 6012 December 23, 2011
by huzbum
Fun with Op-Amps 3 6318 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5392 December 19, 2011
by n1cl3
Odessy of the minds 5 4683 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4062 November 27, 2011
by sazD
Initial Load 2 4729 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5384 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6096 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4777 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 9829 November 10, 2011
by jfbrink
Servo Squitter Project 13 4508 November 09, 2011
by Heed
how do i run a program 4 4122 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4352 November 07, 2011
by Heed
Motor control question 2 4150 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9691 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4378 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4290 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 95800 October 24, 2011
by glendon
Measuring Capacitance 9 5804 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4443 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6155 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 22525 October 16, 2011
by sask55
RxD / TxD Questions 10 7531 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4529 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4411 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4670 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4223 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13296 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5853 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24229 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 12856 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4145 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7673 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13582 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8791 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5240 September 01, 2011
by BobaMosfet
Dim LED 3 4089 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4612 August 23, 2011
by Twarter369
Easy Transistor Question 4 5218 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 6946 August 18, 2011
by Ralphxyz
Building a coil?? 12 6986 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4527 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4175 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 3995 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 3951 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 23908 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5266 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4684 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4391 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4431 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7214 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4072 July 17, 2011
by codenamejupiterx
avr macpack 3 4469 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4431 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4502 July 13, 2011
by BobaMosfet
Battery clip wires 3 4023 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3892 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4194 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4420 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4815 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25039 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4402 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4611 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6699 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4647 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4687 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4613 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5129 June 06, 2011
by mja
A couple of questions 3 4307 June 06, 2011
by Ralphxyz
How much should I strip? 3 4384 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4839 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4247 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4585 May 29, 2011
by Rick_S
Digital Input Question 4 4330 May 28, 2011
by frankdwest
PCB arrived 20 4315 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 4914 May 24, 2011
by gcharris
Calculating bypass capacitor 6 23801 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 4918 May 09, 2011
by Noter
IR current 6 4626 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5321 May 04, 2011
by hariharan
Heat sensors 21 5678 May 04, 2011
by Hexorg
error 1 2 4148 May 02, 2011
by hevans
Transistor vs mosfet 13 12341 May 01, 2011
by Noter
PCB trace width calculator 3 5767 April 24, 2011
by esoderberg
OLED display 10 5456 April 23, 2011
by Rick_S
Power Supplies 17 6019 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4145 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4858 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4236 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5314 April 19, 2011
by mongo
Connecting to external control voltages 4 4274 April 19, 2011
by bretm
IR current question 7 4389 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5164 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5337 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4642 April 10, 2011
by uml_12
Basic projects 3 4302 April 09, 2011
by mongo
REFLOW oven 22 7246 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14406 April 07, 2011
by bretm
unexpected MCU rebooting 82 9246 April 05, 2011
by sask55
REFLOW Soldering 3 5220 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4581 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 6925 March 30, 2011
by bretm
Black Display on LCD 6 4586 March 28, 2011
by Druidman
32kHz clock 2 4226 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11347 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 11744 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6412 March 16, 2011
by mongo
LCD problem 3 4630 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5201 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5334 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4343 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 7913 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5253 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5180 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12260 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 8879 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5870 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9336 February 19, 2011
by Lusitania
My first Impression 6 4711 February 16, 2011
by devinsbusiness
Understanding battery life 3 5986 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5623 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5242 February 05, 2011
by BobaMosfet
High voltage lines 26 7368 February 02, 2011
by mongo
USB 3 4308 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5319 February 02, 2011
by Jalex
Alternating LED circuit 4 5242 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6547 January 31, 2011
by il1019
Affordable oscilloscopes 43 14493 January 27, 2011
by BStory
"And"gate unfinished thought 2 4420 January 27, 2011
by Hexorg
replace MCU? 30 9414 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 4972 January 25, 2011
by Ralphxyz
Multimeter! 12 7245 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 5896 January 25, 2011
by Jalex
My LED Cube so far 25 10690 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5741 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5163 January 18, 2011
by dgikuljot
Counting 5 4352 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 8974 January 17, 2011
by bretm
Programming 5 5199 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5439 January 11, 2011
by Yourself
Begining 7 5510 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 5901 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5249 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4553 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5080 January 06, 2011
by Mujda
Data input voltage 6 5083 January 03, 2011
by Rick_S
MOSFET Question 7 5235 December 31, 2010
by Keyster
Transistor as a switch 5 5262 December 29, 2010
by Hexorg
Resistors 5 5601 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10468 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5460 December 28, 2010
by BobaMosfet
Relay ratings 2 4803 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20078 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4643 December 17, 2010
by mongo
Power Rectifier 7 5069 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7182 December 14, 2010
by danuke
This a decent oscilloscope? 8 5033 December 14, 2010
by danuke
Do resistors in series really add up? 8 6407 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5843 December 09, 2010
by bretm
L293 H-Bridge 15 6524 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6717 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 6898 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5810 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6324 November 24, 2010
by BobaMosfet
Op-amp not working 6 6624 November 24, 2010
by BobaMosfet
Python questions 4 5612 November 21, 2010
by tkopriva
CE Amp design 5 5099 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5052 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4878 November 05, 2010
by Mujda
PC4 not working?! 8 4724 November 04, 2010
by hapshetsut
Amplifiers 4 4719 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5573 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5640 October 04, 2010
by Scythium
radio interference from NerdKit 11 4747 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9380 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5275 September 11, 2010
by akajester
QFP and dreadboard 2 5168 September 02, 2010
by bretm
Getting power to the spinning part... 5 5055 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 12906 August 30, 2010
by Ralphxyz
morse code decoder 2 5164 August 26, 2010
by jonathan_m
Connecting to Computer 3 5105 August 25, 2010
by awesome
555 astable on breadboard 12 6648 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4736 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5235 August 19, 2010
by hevans
mosfet 3 4523 August 13, 2010
by hevans
Good material on learning electronics. 8 5511 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4399 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7007 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6332 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9595 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6796 July 02, 2010
by mongo
Electro Cardio Gram 4 5637 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4470 June 12, 2010
by Wobbler
Voltage Regulator 20 6153 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5710 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6349 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6032 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5225 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4463 June 06, 2010
by Kafke
TSSOP IC! 4 5224 June 03, 2010
by mrobbins
AVcc 2 5477 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4673 May 31, 2010
by hevans
Cable Driver 2 4358 May 31, 2010
by mongo
Best 9V adapter to use 2 4789 May 28, 2010
by mongo
Unidirectional microphones 5 5032 May 27, 2010
by mongo
Servo question 3 4512 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5185 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5045 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6705 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11487 May 21, 2010
by hevans
Chinese Solenoid 15 4977 May 10, 2010
by treymd
avrisp mkii circuit 4 6247 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4578 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 9799 May 07, 2010
by rajabalu21
Simple Power Switch 6 4670 May 05, 2010
by avicell
I can haz speed! 3 5020 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6502 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5340 April 21, 2010
by bretm
Help with choosing the right resistor 10 6442 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 10995 April 15, 2010
by bretm
Resistor 4 4370 April 15, 2010
by mongo
MCU digital input pins 3 4568 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4847 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10724 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6817 March 28, 2010
by carlhako
Laptop ground safety question 3 4890 March 27, 2010
by ese
LM34 R-C Damper 5 6480 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5190 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4456 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6507 March 23, 2010
by ese
constant system reset 3 4379 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5154 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6180 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5493 March 17, 2010
by Frozenlock
What is -VS? 6 8517 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6324 March 04, 2010
by treymd
Using MCU to connect two wires 3 5366 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 9944 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4816 March 02, 2010
by Solorbob
Deciphering power resistors 11 5170 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4582 March 01, 2010
by nrotstan
Understanding LEDs 16 7707 March 01, 2010
by michaeldallas
What's the part I need? 5 4660 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11687 February 23, 2010
by rajabalu21
Too much power? 14 5424 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6092 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6022 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13394 February 18, 2010
by Rick_S
Serial port interface circuit 2 5581 February 17, 2010
by mongo
OBDII project 3 4666 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8154 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7358 February 13, 2010
by BobaMosfet
Digital pots 5 4904 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5181 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6025 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7400 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7601 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5462 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7143 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 10947 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5786 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5049 December 27, 2009
by jgauthier
Servo Signal Noise 2 4601 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 7907 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11387 December 10, 2009
by georgio
Relays and transistors 12 9376 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9438 December 09, 2009
by Rick_S
IR Detector 7 8874 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5632 November 19, 2009
by mikedoug
Debug with lcd 6 5602 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5103 November 15, 2009
by tech20
Understanding output pin characteristics 4 4953 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 6891 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5225 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 48598 October 30, 2009
by BobaMosfet
DIY header unit 2 5458 October 10, 2009
by rusirius
Thermostat Logging 6 7059 October 09, 2009
by luke
Understanding transistors 6 6781 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10702 October 07, 2009
by mikedoug
Currant booster 3 4597 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5591 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13541 August 27, 2009
by hevans
Which LED? 14 5332 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6341 August 07, 2009
by mongo
pull up, pull down resistors 7 17762 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11660 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7557 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 6998 July 07, 2009
by sector0
Reset switch for circuit 3 5266 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31886 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6366 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5154 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5280 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5781 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5111 May 06, 2009
by paulip

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