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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 9029 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8379 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 7093 April 12, 2016
by Ralphxyz
USBasp Help! 3 5997 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8286 May 04, 2015
by mongo
Need to replace Wall Watt 16 5511 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5137 April 10, 2015
by Noter
My new 3D Printer 44 20718 April 07, 2015
by Rick_S
AtMega 644 2 5158 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4210 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4897 June 02, 2014
by JKITSON
Automated programming mode? 9 5187 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4755 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4787 January 28, 2014
by lailai
What kind of error is this? 4 4567 January 23, 2014
by Noter
How to double a DC voltage? 20 12019 January 12, 2014
by JKITSON
Is the code the driver? 2 4473 January 12, 2014
by Ralphxyz
Miniature headers 6 4687 January 01, 2014
by Ralphxyz
BLDC 8 4783 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5381 November 26, 2013
by Rick_S
GLCD SPI problems 14 8648 November 10, 2013
by andyi
Moving on... 7 4577 November 08, 2013
by Pr0ject
Power supply questions 4 6157 October 31, 2013
by sask55
OLED 4 4346 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16440 September 22, 2013
by sask55
Opto Interrupter once again 14 9072 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4751 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11830 September 02, 2013
by Ralphxyz
USB cable specifications 7 6375 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5288 August 27, 2013
by Affarram
XMEGA Breakout 8 5655 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4304 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4985 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 5022 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11772 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16403 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4321 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4921 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66486 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4111 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4681 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8863 March 14, 2013
by mongo
Current vs Voltage 8 5751 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5333 March 09, 2013
by lnino
Electric current 2 4093 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 7042 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9962 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9606 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5178 February 24, 2013
by lnino
Relay Question 27 8451 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8147 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5628 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5470 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5262 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4831 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5547 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4844 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5667 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4186 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4241 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4746 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10352 November 18, 2012
by carlhako
SPI slave clock 6 4976 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4351 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31656 October 23, 2012
by Noter
NPN circuit connection quandry 4 4928 September 24, 2012
by edb
Simple I/O circuit 4 4583 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4349 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4102 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6938 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4575 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6976 September 13, 2012
by dan_engbers
Electronics simulation 8 5206 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7391 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4484 August 20, 2012
by rblalock
louder sound 2 4254 August 18, 2012
by mongo
connector or cable for LCD display? 4 4471 August 13, 2012
by missle3944
Powering L.E.Ds 5 4605 August 09, 2012
by BobaMosfet
Wires in U.K 5 5073 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4991 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 8146 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7663 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5469 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 23003 July 21, 2012
by lnino
um help 6 4065 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5119 July 18, 2012
by Ralphxyz
help me 11 4985 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4386 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5702 June 24, 2012
by Ralphxyz
HELP 3 4105 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15125 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4225 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6154 June 17, 2012
by RogerFL
Programmable current source 6 6226 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5745 June 11, 2012
by mongo
HELP 6 4445 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4849 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52667 May 24, 2012
by Ralphxyz
i need a code 8 4847 May 15, 2012
by pcbolt
Clock Accuracy 30 9522 May 14, 2012
by HexManiac
Relays and Controlling them 9 4831 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 5089 May 09, 2012
by RogerFL
Powering your NerdKit 7 4667 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4697 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7972 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5080 April 24, 2012
by pcbolt
Programs will not run 6 4580 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5234 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4883 April 09, 2012
by Ralphxyz
Path Lights controller 2 4449 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4560 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5110 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4657 April 01, 2012
by JamesFysh
Question on LCD screen 5 4682 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4640 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5976 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5602 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9309 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4745 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 6084 March 15, 2012
by mongo
Digital servo issues! 9 5294 March 15, 2012
by Rick_S
Brushless motor control 16 5625 March 12, 2012
by hevans
Windows not detecting device 3 4417 March 10, 2012
by hevans
Voltage throught MCU 5 4432 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20332 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 12204 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21629 March 01, 2012
by hevans
Up and running... 3 4227 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4879 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5228 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4458 February 24, 2012
by Rick_S
programming lcd trubs 7 4567 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5245 February 18, 2012
by Rick_S
Oscilloscope 15 6538 February 18, 2012
by Osarus
How far away can a LM34 be? 16 11071 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5672 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4860 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 12185 February 09, 2012
by mongo
Data transmission 3 5403 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5213 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6796 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4725 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4245 January 31, 2012
by tchilzer2
H bridge questions 6 5041 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4792 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5208 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5419 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8547 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 5079 January 15, 2012
by Rick_S
Source of power? 19 5233 January 13, 2012
by mongo
symbol defined please? 4 4880 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18310 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4792 January 06, 2012
by boxvic
Basic LED circuit properties 8 5014 January 06, 2012
by boxvic
Getting Started 3 4490 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5677 January 02, 2012
by bodangly
SMD reflow 16 5799 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4737 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5401 December 23, 2011
by BobaMosfet
Potentiometer 8 6403 December 23, 2011
by huzbum
Fun with Op-Amps 3 6623 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5700 December 19, 2011
by n1cl3
Odessy of the minds 5 4930 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4317 November 27, 2011
by sazD
Initial Load 2 4955 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5702 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6372 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 5019 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10209 November 10, 2011
by jfbrink
Servo Squitter Project 13 4781 November 09, 2011
by Heed
how do i run a program 4 4331 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4582 November 07, 2011
by Heed
Motor control question 2 4383 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10131 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4654 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4544 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 97975 October 24, 2011
by glendon
Measuring Capacitance 9 6075 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4678 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6431 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23413 October 16, 2011
by sask55
RxD / TxD Questions 10 8037 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4769 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4662 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4950 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4448 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 14371 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6142 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24696 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13427 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4382 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7988 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14133 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 9117 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5531 September 01, 2011
by BobaMosfet
Dim LED 3 4348 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4861 August 23, 2011
by Twarter369
Easy Transistor Question 4 5523 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7476 August 18, 2011
by Ralphxyz
Building a coil?? 12 7295 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4766 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4421 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4243 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4184 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24357 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5510 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4919 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4626 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4667 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7495 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4336 July 17, 2011
by codenamejupiterx
avr macpack 3 4709 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4703 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4812 July 13, 2011
by BobaMosfet
Battery clip wires 3 4245 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4143 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4429 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4685 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5141 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25507 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4657 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4880 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 7017 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4954 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4964 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4830 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5470 June 06, 2011
by mja
A couple of questions 3 4569 June 06, 2011
by Ralphxyz
How much should I strip? 3 4620 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5107 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4518 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4838 May 29, 2011
by Rick_S
Digital Input Question 4 4578 May 28, 2011
by frankdwest
PCB arrived 20 4567 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5211 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24285 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5163 May 09, 2011
by Noter
IR current 6 4867 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5607 May 04, 2011
by hariharan
Heat sensors 21 5974 May 04, 2011
by Hexorg
error 1 2 4456 May 02, 2011
by hevans
Transistor vs mosfet 13 12777 May 01, 2011
by Noter
PCB trace width calculator 3 6015 April 24, 2011
by esoderberg
OLED display 10 5740 April 23, 2011
by Rick_S
Power Supplies 17 6296 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4376 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5087 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4546 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5573 April 19, 2011
by mongo
Connecting to external control voltages 4 4508 April 19, 2011
by bretm
IR current question 7 4633 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5426 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5620 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4874 April 10, 2011
by uml_12
Basic projects 3 4549 April 09, 2011
by mongo
REFLOW oven 22 7519 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14947 April 07, 2011
by bretm
unexpected MCU rebooting 82 9627 April 05, 2011
by sask55
REFLOW Soldering 3 5530 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4851 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7206 March 30, 2011
by bretm
Black Display on LCD 6 4814 March 28, 2011
by Druidman
32kHz clock 2 4470 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11784 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12389 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6689 March 16, 2011
by mongo
LCD problem 3 4858 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5493 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5563 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4569 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8316 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5530 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5454 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12517 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9276 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6150 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9611 February 19, 2011
by Lusitania
My first Impression 6 4992 February 16, 2011
by devinsbusiness
Understanding battery life 3 6324 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5870 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5523 February 05, 2011
by BobaMosfet
High voltage lines 26 7729 February 02, 2011
by mongo
USB 3 4522 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5610 February 02, 2011
by Jalex
Alternating LED circuit 4 5484 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6825 January 31, 2011
by il1019
Affordable oscilloscopes 43 15258 January 27, 2011
by BStory
"And"gate unfinished thought 2 4686 January 27, 2011
by Hexorg
replace MCU? 30 9810 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5262 January 25, 2011
by Ralphxyz
Multimeter! 12 7533 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6184 January 25, 2011
by Jalex
My LED Cube so far 25 10968 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5972 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5408 January 18, 2011
by dgikuljot
Counting 5 4646 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9294 January 17, 2011
by bretm
Programming 5 5518 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5699 January 11, 2011
by Yourself
Begining 7 5785 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6167 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5490 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4811 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5355 January 06, 2011
by Mujda
Data input voltage 6 5349 January 03, 2011
by Rick_S
MOSFET Question 7 5523 December 31, 2010
by Keyster
Transistor as a switch 5 5541 December 29, 2010
by Hexorg
Resistors 5 5905 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10854 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5759 December 28, 2010
by BobaMosfet
Relay ratings 2 5059 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20423 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4900 December 17, 2010
by mongo
Power Rectifier 7 7202 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7542 December 14, 2010
by danuke
This a decent oscilloscope? 8 5304 December 14, 2010
by danuke
Do resistors in series really add up? 8 6736 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6129 December 09, 2010
by bretm
L293 H-Bridge 15 6819 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 7046 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7225 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6107 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6630 November 24, 2010
by BobaMosfet
Op-amp not working 6 6898 November 24, 2010
by BobaMosfet
Python questions 4 5852 November 21, 2010
by tkopriva
CE Amp design 5 5417 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5294 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5161 November 05, 2010
by Mujda
PC4 not working?! 8 5019 November 04, 2010
by hapshetsut
Amplifiers 4 4964 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5838 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5934 October 04, 2010
by Scythium
radio interference from NerdKit 11 5054 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9674 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5531 September 11, 2010
by akajester
QFP and dreadboard 2 5424 September 02, 2010
by bretm
Getting power to the spinning part... 5 5274 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13254 August 30, 2010
by Ralphxyz
morse code decoder 2 5387 August 26, 2010
by jonathan_m
Connecting to Computer 3 5368 August 25, 2010
by awesome
555 astable on breadboard 12 6882 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4997 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5491 August 19, 2010
by hevans
mosfet 3 4758 August 13, 2010
by hevans
Good material on learning electronics. 8 5770 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4642 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7401 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6590 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 10015 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 7059 July 02, 2010
by mongo
Electro Cardio Gram 4 5956 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4699 June 12, 2010
by Wobbler
Voltage Regulator 20 6431 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5980 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6650 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6279 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5483 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4715 June 06, 2010
by Kafke
TSSOP IC! 4 5489 June 03, 2010
by mrobbins
AVcc 2 5715 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4932 May 31, 2010
by hevans
Cable Driver 2 4608 May 31, 2010
by mongo
Best 9V adapter to use 2 5041 May 28, 2010
by mongo
Unidirectional microphones 5 5273 May 27, 2010
by mongo
Servo question 3 4777 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5449 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5303 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6976 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11978 May 21, 2010
by hevans
Chinese Solenoid 15 5303 May 10, 2010
by treymd
avrisp mkii circuit 4 6479 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4831 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10222 May 07, 2010
by rajabalu21
Simple Power Switch 6 4915 May 05, 2010
by avicell
I can haz speed! 3 5273 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6791 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5624 April 21, 2010
by bretm
Help with choosing the right resistor 10 6715 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11506 April 15, 2010
by bretm
Resistor 4 4633 April 15, 2010
by mongo
MCU digital input pins 3 4832 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5127 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 11001 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 7061 March 28, 2010
by carlhako
Laptop ground safety question 3 5133 March 27, 2010
by ese
LM34 R-C Damper 5 6735 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5436 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4736 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6755 March 23, 2010
by ese
constant system reset 3 4633 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5408 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6496 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5733 March 17, 2010
by Frozenlock
What is -VS? 6 8816 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6542 March 04, 2010
by treymd
Using MCU to connect two wires 3 5625 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10465 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 5065 March 02, 2010
by Solorbob
Deciphering power resistors 11 5460 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4830 March 01, 2010
by nrotstan
Understanding LEDs 16 8066 March 01, 2010
by michaeldallas
What's the part I need? 5 4944 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11998 February 23, 2010
by rajabalu21
Too much power? 14 5695 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6351 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6316 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13865 February 18, 2010
by Rick_S
Serial port interface circuit 2 5846 February 17, 2010
by mongo
OBDII project 3 4901 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8523 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7680 February 13, 2010
by BobaMosfet
Digital pots 5 5133 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5460 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6341 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7752 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7902 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5693 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7502 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11400 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 6096 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5286 December 27, 2009
by jgauthier
Servo Signal Noise 2 4847 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8231 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11706 December 10, 2009
by georgio
Relays and transistors 12 9678 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9734 December 09, 2009
by Rick_S
IR Detector 7 9295 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5896 November 19, 2009
by mikedoug
Debug with lcd 6 5861 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5317 November 15, 2009
by tech20
Understanding output pin characteristics 4 5237 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7248 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5521 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49421 October 30, 2009
by BobaMosfet
DIY header unit 2 5691 October 10, 2009
by rusirius
Thermostat Logging 6 7362 October 09, 2009
by luke
Understanding transistors 6 7022 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 11010 October 07, 2009
by mikedoug
Currant booster 3 4849 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5822 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13892 August 27, 2009
by hevans
Which LED? 14 5598 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6638 August 07, 2009
by mongo
pull up, pull down resistors 7 18059 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 12075 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7889 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7282 July 07, 2009
by sector0
Reset switch for circuit 3 5501 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32152 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6641 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5396 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5560 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 6021 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5373 May 06, 2009
by paulip

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