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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8591 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8036 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6788 April 12, 2016
by Ralphxyz
USBasp Help! 3 5693 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 7896 May 04, 2015
by mongo
Need to replace Wall Watt 16 5202 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4881 April 10, 2015
by Noter
My new 3D Printer 44 20437 April 07, 2015
by Rick_S
AtMega 644 2 4965 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4016 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4630 June 02, 2014
by JKITSON
Automated programming mode? 9 4931 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4527 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4508 January 28, 2014
by lailai
What kind of error is this? 4 4388 January 23, 2014
by Noter
How to double a DC voltage? 20 11711 January 12, 2014
by JKITSON
Is the code the driver? 2 4206 January 12, 2014
by Ralphxyz
Miniature headers 6 4490 January 01, 2014
by Ralphxyz
BLDC 8 4530 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5091 November 26, 2013
by Rick_S
GLCD SPI problems 14 8384 November 10, 2013
by andyi
Moving on... 7 4363 November 08, 2013
by Pr0ject
Power supply questions 4 5861 October 31, 2013
by sask55
OLED 4 4101 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 15993 September 22, 2013
by sask55
Opto Interrupter once again 14 8726 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4551 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11459 September 02, 2013
by Ralphxyz
USB cable specifications 7 5946 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 4986 August 27, 2013
by Affarram
XMEGA Breakout 8 5378 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4096 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4765 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4797 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 10976 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15608 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4080 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4698 April 08, 2013
by pcbolt
Using diode to drop voltage 12 65847 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3907 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4405 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8562 March 14, 2013
by mongo
Current vs Voltage 8 5493 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5118 March 09, 2013
by lnino
Electric current 2 3896 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6838 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9507 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 8927 February 28, 2013
by BobaMosfet
Control electronic door opener 15 4943 February 24, 2013
by lnino
Relay Question 27 8185 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7852 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5373 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5282 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5023 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4626 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5235 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4582 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5438 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 3969 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4057 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4545 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 9931 November 18, 2012
by carlhako
SPI slave clock 6 4743 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4155 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 30695 October 23, 2012
by Noter
NPN circuit connection quandry 4 4723 September 24, 2012
by edb
Simple I/O circuit 4 4374 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4165 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3826 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6568 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4387 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6746 September 13, 2012
by dan_engbers
Electronics simulation 8 5027 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7127 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4287 August 20, 2012
by rblalock
louder sound 2 4061 August 18, 2012
by mongo
connector or cable for LCD display? 4 4283 August 13, 2012
by missle3944
Powering L.E.Ds 5 4401 August 09, 2012
by BobaMosfet
Wires in U.K 5 4879 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4782 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7712 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7417 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5188 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22683 July 21, 2012
by lnino
um help 6 3871 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4902 July 18, 2012
by Ralphxyz
help me 11 4760 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4168 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5439 June 24, 2012
by Ralphxyz
HELP 3 3919 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14813 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4029 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5949 June 17, 2012
by RogerFL
Programmable current source 6 5889 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5533 June 11, 2012
by mongo
HELP 6 4239 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4611 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 50296 May 24, 2012
by Ralphxyz
i need a code 8 4638 May 15, 2012
by pcbolt
Clock Accuracy 30 9288 May 14, 2012
by HexManiac
Relays and Controlling them 9 4604 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4880 May 09, 2012
by RogerFL
Powering your NerdKit 7 4457 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4486 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7678 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4906 April 24, 2012
by pcbolt
Programs will not run 6 4373 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 4995 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4677 April 09, 2012
by Ralphxyz
Path Lights controller 2 4235 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4362 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4867 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4460 April 01, 2012
by JamesFysh
Question on LCD screen 5 4468 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4412 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5695 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5333 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9032 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4546 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5695 March 15, 2012
by mongo
Digital servo issues! 9 5048 March 15, 2012
by Rick_S
Brushless motor control 16 5400 March 12, 2012
by hevans
Windows not detecting device 3 4198 March 10, 2012
by hevans
Voltage throught MCU 5 4213 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 19977 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11741 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 20849 March 01, 2012
by hevans
Up and running... 3 4000 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4665 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5019 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4240 February 24, 2012
by Rick_S
programming lcd trubs 7 4299 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5027 February 18, 2012
by Rick_S
Oscilloscope 15 6296 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10739 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5457 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4640 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11173 February 09, 2012
by mongo
Data transmission 3 5211 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5008 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6571 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4496 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4064 January 31, 2012
by tchilzer2
H bridge questions 6 4836 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4569 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 4968 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5180 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8305 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4846 January 15, 2012
by Rick_S
Source of power? 19 4968 January 13, 2012
by mongo
symbol defined please? 4 4695 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 17847 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4584 January 06, 2012
by boxvic
Basic LED circuit properties 8 4804 January 06, 2012
by boxvic
Getting Started 3 4289 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5473 January 02, 2012
by bodangly
SMD reflow 16 5567 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4538 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5219 December 23, 2011
by BobaMosfet
Potentiometer 8 6106 December 23, 2011
by huzbum
Fun with Op-Amps 3 6381 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5449 December 19, 2011
by n1cl3
Odessy of the minds 5 4737 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4107 November 27, 2011
by sazD
Initial Load 2 4774 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5459 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6153 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4825 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 9932 November 10, 2011
by jfbrink
Servo Squitter Project 13 4561 November 09, 2011
by Heed
how do i run a program 4 4152 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4400 November 07, 2011
by Heed
Motor control question 2 4199 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9779 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4440 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4334 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 96068 October 24, 2011
by glendon
Measuring Capacitance 9 5859 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4491 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6220 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 22672 October 16, 2011
by sask55
RxD / TxD Questions 10 7630 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4569 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4466 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4750 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4265 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13468 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5924 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24316 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 12945 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4199 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7742 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13670 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8852 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5303 September 01, 2011
by BobaMosfet
Dim LED 3 4136 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4664 August 23, 2011
by Twarter369
Easy Transistor Question 4 5285 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7010 August 18, 2011
by Ralphxyz
Building a coil?? 12 7044 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4573 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4220 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4046 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 3998 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24012 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5321 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4734 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4442 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4482 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7254 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4133 July 17, 2011
by codenamejupiterx
avr macpack 3 4514 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4483 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4566 July 13, 2011
by BobaMosfet
Battery clip wires 3 4083 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3943 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4243 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4478 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4876 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25151 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4453 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4681 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6762 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4716 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4737 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4656 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5191 June 06, 2011
by mja
A couple of questions 3 4361 June 06, 2011
by Ralphxyz
How much should I strip? 3 4428 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4917 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4293 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4632 May 29, 2011
by Rick_S
Digital Input Question 4 4375 May 28, 2011
by frankdwest
PCB arrived 20 4367 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5016 May 24, 2011
by gcharris
Calculating bypass capacitor 6 23903 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 4961 May 09, 2011
by Noter
IR current 6 4675 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5379 May 04, 2011
by hariharan
Heat sensors 21 5746 May 04, 2011
by Hexorg
error 1 2 4208 May 02, 2011
by hevans
Transistor vs mosfet 13 12453 May 01, 2011
by Noter
PCB trace width calculator 3 5825 April 24, 2011
by esoderberg
OLED display 10 5509 April 23, 2011
by Rick_S
Power Supplies 17 6082 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4193 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4909 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4333 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5364 April 19, 2011
by mongo
Connecting to external control voltages 4 4320 April 19, 2011
by bretm
IR current question 7 4432 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5221 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5394 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4690 April 10, 2011
by uml_12
Basic projects 3 4351 April 09, 2011
by mongo
REFLOW oven 22 7293 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14531 April 07, 2011
by bretm
unexpected MCU rebooting 82 9297 April 05, 2011
by sask55
REFLOW Soldering 3 5271 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4663 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 6985 March 30, 2011
by bretm
Black Display on LCD 6 4635 March 28, 2011
by Druidman
32kHz clock 2 4278 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11419 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 11863 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6464 March 16, 2011
by mongo
LCD problem 3 4682 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5264 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5382 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4388 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8020 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5306 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5259 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12306 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 8956 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5923 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9392 February 19, 2011
by Lusitania
My first Impression 6 4774 February 16, 2011
by devinsbusiness
Understanding battery life 3 6051 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5677 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5299 February 05, 2011
by BobaMosfet
High voltage lines 26 7464 February 02, 2011
by mongo
USB 3 4348 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5387 February 02, 2011
by Jalex
Alternating LED circuit 4 5286 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6611 January 31, 2011
by il1019
Affordable oscilloscopes 43 14630 January 27, 2011
by BStory
"And"gate unfinished thought 2 4470 January 27, 2011
by Hexorg
replace MCU? 30 9487 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5035 January 25, 2011
by Ralphxyz
Multimeter! 12 7324 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 5970 January 25, 2011
by Jalex
My LED Cube so far 25 10750 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5792 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5215 January 18, 2011
by dgikuljot
Counting 5 4414 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9058 January 17, 2011
by bretm
Programming 5 5271 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5495 January 11, 2011
by Yourself
Begining 7 5567 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 5954 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5297 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4598 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5137 January 06, 2011
by Mujda
Data input voltage 6 5130 January 03, 2011
by Rick_S
MOSFET Question 7 5287 December 31, 2010
by Keyster
Transistor as a switch 5 5314 December 29, 2010
by Hexorg
Resistors 5 5668 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10540 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5526 December 28, 2010
by BobaMosfet
Relay ratings 2 4858 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20143 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4700 December 17, 2010
by mongo
Power Rectifier 7 5988 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7267 December 14, 2010
by danuke
This a decent oscilloscope? 8 5094 December 14, 2010
by danuke
Do resistors in series really add up? 8 6483 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5905 December 09, 2010
by bretm
L293 H-Bridge 15 6578 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6777 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 6954 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5883 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6383 November 24, 2010
by BobaMosfet
Op-amp not working 6 6687 November 24, 2010
by BobaMosfet
Python questions 4 5658 November 21, 2010
by tkopriva
CE Amp design 5 5159 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5098 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4937 November 05, 2010
by Mujda
PC4 not working?! 8 4793 November 04, 2010
by hapshetsut
Amplifiers 4 4772 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5624 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5717 October 04, 2010
by Scythium
radio interference from NerdKit 11 4814 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9454 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5328 September 11, 2010
by akajester
QFP and dreadboard 2 5222 September 02, 2010
by bretm
Getting power to the spinning part... 5 5099 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 12982 August 30, 2010
by Ralphxyz
morse code decoder 2 5212 August 26, 2010
by jonathan_m
Connecting to Computer 3 5176 August 25, 2010
by awesome
555 astable on breadboard 12 6695 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4793 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5313 August 19, 2010
by hevans
mosfet 3 4575 August 13, 2010
by hevans
Good material on learning electronics. 8 5565 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4451 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7092 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6386 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9680 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6860 July 02, 2010
by mongo
Electro Cardio Gram 4 5704 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4512 June 12, 2010
by Wobbler
Voltage Regulator 20 6218 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5761 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6420 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6092 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5278 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4518 June 06, 2010
by Kafke
TSSOP IC! 4 5287 June 03, 2010
by mrobbins
AVcc 2 5529 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4731 May 31, 2010
by hevans
Cable Driver 2 4404 May 31, 2010
by mongo
Best 9V adapter to use 2 4846 May 28, 2010
by mongo
Unidirectional microphones 5 5081 May 27, 2010
by mongo
Servo question 3 4562 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5265 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5102 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6771 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11613 May 21, 2010
by hevans
Chinese Solenoid 15 5054 May 10, 2010
by treymd
avrisp mkii circuit 4 6301 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4630 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 9905 May 07, 2010
by rajabalu21
Simple Power Switch 6 4729 May 05, 2010
by avicell
I can haz speed! 3 5069 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6568 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5408 April 21, 2010
by bretm
Help with choosing the right resistor 10 6510 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11095 April 15, 2010
by bretm
Resistor 4 4434 April 15, 2010
by mongo
MCU digital input pins 3 4618 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4922 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10793 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6873 March 28, 2010
by carlhako
Laptop ground safety question 3 4952 March 27, 2010
by ese
LM34 R-C Damper 5 6528 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5243 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4508 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6560 March 23, 2010
by ese
constant system reset 3 4438 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5210 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6258 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5550 March 17, 2010
by Frozenlock
What is -VS? 6 8595 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6368 March 04, 2010
by treymd
Using MCU to connect two wires 3 5441 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10041 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4867 March 02, 2010
by Solorbob
Deciphering power resistors 11 5234 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4634 March 01, 2010
by nrotstan
Understanding LEDs 16 7781 March 01, 2010
by michaeldallas
What's the part I need? 5 4749 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11759 February 23, 2010
by rajabalu21
Too much power? 14 5481 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6160 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6083 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13489 February 18, 2010
by Rick_S
Serial port interface circuit 2 5645 February 17, 2010
by mongo
OBDII project 3 4715 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8246 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7432 February 13, 2010
by BobaMosfet
Digital pots 5 4951 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5252 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6089 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7490 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7659 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5524 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7232 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11025 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5856 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5104 December 27, 2009
by jgauthier
Servo Signal Noise 2 4669 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 7998 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11448 December 10, 2009
by georgio
Relays and transistors 12 9459 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9506 December 09, 2009
by Rick_S
IR Detector 7 8971 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5701 November 19, 2009
by mikedoug
Debug with lcd 6 5655 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5148 November 15, 2009
by tech20
Understanding output pin characteristics 4 5021 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 6959 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5292 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 48746 October 30, 2009
by BobaMosfet
DIY header unit 2 5507 October 10, 2009
by rusirius
Thermostat Logging 6 7127 October 09, 2009
by luke
Understanding transistors 6 6835 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10793 October 07, 2009
by mikedoug
Currant booster 3 4652 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5639 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13616 August 27, 2009
by hevans
Which LED? 14 5387 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6414 August 07, 2009
by mongo
pull up, pull down resistors 7 17816 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11733 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7665 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7062 July 07, 2009
by sector0
Reset switch for circuit 3 5317 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31938 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6426 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5202 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5335 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5833 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5168 May 06, 2009
by paulip

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