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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 9026 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8373 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 7088 April 12, 2016
by Ralphxyz
USBasp Help! 3 5993 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8277 May 04, 2015
by mongo
Need to replace Wall Watt 16 5507 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5131 April 10, 2015
by Noter
My new 3D Printer 44 20714 April 07, 2015
by Rick_S
AtMega 644 2 5153 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4207 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4894 June 02, 2014
by JKITSON
Automated programming mode? 9 5182 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4751 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4782 January 28, 2014
by lailai
What kind of error is this? 4 4564 January 23, 2014
by Noter
How to double a DC voltage? 20 12015 January 12, 2014
by JKITSON
Is the code the driver? 2 4469 January 12, 2014
by Ralphxyz
Miniature headers 6 4684 January 01, 2014
by Ralphxyz
BLDC 8 4780 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5376 November 26, 2013
by Rick_S
GLCD SPI problems 14 8644 November 10, 2013
by andyi
Moving on... 7 4572 November 08, 2013
by Pr0ject
Power supply questions 4 6152 October 31, 2013
by sask55
OLED 4 4343 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16435 September 22, 2013
by sask55
Opto Interrupter once again 14 9066 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4747 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11822 September 02, 2013
by Ralphxyz
USB cable specifications 7 6367 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5284 August 27, 2013
by Affarram
XMEGA Breakout 8 5651 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4300 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4980 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 5018 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11764 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16399 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4315 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4914 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66479 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4106 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4674 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8857 March 14, 2013
by mongo
Current vs Voltage 8 5744 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5327 March 09, 2013
by lnino
Electric current 2 4088 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 7035 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9958 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9599 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5173 February 24, 2013
by lnino
Relay Question 27 8443 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8142 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5622 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5465 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5257 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4826 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5541 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4838 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5661 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4179 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4234 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4740 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10348 November 18, 2012
by carlhako
SPI slave clock 6 4971 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4346 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31651 October 23, 2012
by Noter
NPN circuit connection quandry 4 4921 September 24, 2012
by edb
Simple I/O circuit 4 4577 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4342 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4096 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6929 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4567 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6971 September 13, 2012
by dan_engbers
Electronics simulation 8 5201 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7387 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4480 August 20, 2012
by rblalock
louder sound 2 4248 August 18, 2012
by mongo
connector or cable for LCD display? 4 4466 August 13, 2012
by missle3944
Powering L.E.Ds 5 4599 August 09, 2012
by BobaMosfet
Wires in U.K 5 5067 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4985 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 8135 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7657 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5462 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22998 July 21, 2012
by lnino
um help 6 4060 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5113 July 18, 2012
by Ralphxyz
help me 11 4980 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4381 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5697 June 24, 2012
by Ralphxyz
HELP 3 4100 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15120 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4219 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6149 June 17, 2012
by RogerFL
Programmable current source 6 6222 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5739 June 11, 2012
by mongo
HELP 6 4441 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4843 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52660 May 24, 2012
by Ralphxyz
i need a code 8 4841 May 15, 2012
by pcbolt
Clock Accuracy 30 9517 May 14, 2012
by HexManiac
Relays and Controlling them 9 4826 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 5083 May 09, 2012
by RogerFL
Powering your NerdKit 7 4660 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4693 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7968 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5074 April 24, 2012
by pcbolt
Programs will not run 6 4575 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5229 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4875 April 09, 2012
by Ralphxyz
Path Lights controller 2 4444 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4553 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5105 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4653 April 01, 2012
by JamesFysh
Question on LCD screen 5 4678 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4636 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5971 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5598 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9304 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4738 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 6079 March 15, 2012
by mongo
Digital servo issues! 9 5290 March 15, 2012
by Rick_S
Brushless motor control 16 5620 March 12, 2012
by hevans
Windows not detecting device 3 4413 March 10, 2012
by hevans
Voltage throught MCU 5 4427 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20329 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 12199 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21623 March 01, 2012
by hevans
Up and running... 3 4221 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4872 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5223 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4453 February 24, 2012
by Rick_S
programming lcd trubs 7 4563 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5239 February 18, 2012
by Rick_S
Oscilloscope 15 6531 February 18, 2012
by Osarus
How far away can a LM34 be? 16 11067 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5667 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4854 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 12174 February 09, 2012
by mongo
Data transmission 3 5399 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5208 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6790 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4720 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4241 January 31, 2012
by tchilzer2
H bridge questions 6 5036 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4788 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5203 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5412 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8543 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 5075 January 15, 2012
by Rick_S
Source of power? 19 5228 January 13, 2012
by mongo
symbol defined please? 4 4875 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18304 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4786 January 06, 2012
by boxvic
Basic LED circuit properties 8 5010 January 06, 2012
by boxvic
Getting Started 3 4476 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5672 January 02, 2012
by bodangly
SMD reflow 16 5794 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4732 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5397 December 23, 2011
by BobaMosfet
Potentiometer 8 6398 December 23, 2011
by huzbum
Fun with Op-Amps 3 6618 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5695 December 19, 2011
by n1cl3
Odessy of the minds 5 4925 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4311 November 27, 2011
by sazD
Initial Load 2 4949 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5697 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6367 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 5015 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10204 November 10, 2011
by jfbrink
Servo Squitter Project 13 4777 November 09, 2011
by Heed
how do i run a program 4 4327 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4577 November 07, 2011
by Heed
Motor control question 2 4377 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10126 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4647 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4540 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 97962 October 24, 2011
by glendon
Measuring Capacitance 9 6070 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4673 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6427 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23406 October 16, 2011
by sask55
RxD / TxD Questions 10 8026 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4764 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4657 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4945 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4443 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 14364 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6138 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24688 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13422 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4377 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7983 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14129 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 9110 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5527 September 01, 2011
by BobaMosfet
Dim LED 3 4344 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4854 August 23, 2011
by Twarter369
Easy Transistor Question 4 5510 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7471 August 18, 2011
by Ralphxyz
Building a coil?? 12 7288 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4760 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4415 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4238 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4180 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24353 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5505 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4915 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4622 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4662 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7489 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4329 July 17, 2011
by codenamejupiterx
avr macpack 3 4705 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4698 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4808 July 13, 2011
by BobaMosfet
Battery clip wires 3 4239 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4139 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4424 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4681 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5135 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25500 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4653 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4876 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 7010 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4950 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4960 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4826 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5465 June 06, 2011
by mja
A couple of questions 3 4565 June 06, 2011
by Ralphxyz
How much should I strip? 3 4615 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5102 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4512 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4833 May 29, 2011
by Rick_S
Digital Input Question 4 4573 May 28, 2011
by frankdwest
PCB arrived 20 4560 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5207 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24276 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5158 May 09, 2011
by Noter
IR current 6 4860 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5599 May 04, 2011
by hariharan
Heat sensors 21 5969 May 04, 2011
by Hexorg
error 1 2 4450 May 02, 2011
by hevans
Transistor vs mosfet 13 12773 May 01, 2011
by Noter
PCB trace width calculator 3 6011 April 24, 2011
by esoderberg
OLED display 10 5735 April 23, 2011
by Rick_S
Power Supplies 17 6288 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4372 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5083 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4540 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5569 April 19, 2011
by mongo
Connecting to external control voltages 4 4503 April 19, 2011
by bretm
IR current question 7 4627 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5420 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5614 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4869 April 10, 2011
by uml_12
Basic projects 3 4545 April 09, 2011
by mongo
REFLOW oven 22 7514 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14942 April 07, 2011
by bretm
unexpected MCU rebooting 82 9620 April 05, 2011
by sask55
REFLOW Soldering 3 5525 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4846 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7202 March 30, 2011
by bretm
Black Display on LCD 6 4810 March 28, 2011
by Druidman
32kHz clock 2 4464 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11775 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12383 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6683 March 16, 2011
by mongo
LCD problem 3 4854 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5488 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5559 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4563 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8311 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5526 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5450 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12512 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9272 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6146 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9606 February 19, 2011
by Lusitania
My first Impression 6 4985 February 16, 2011
by devinsbusiness
Understanding battery life 3 6319 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5866 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5518 February 05, 2011
by BobaMosfet
High voltage lines 26 7724 February 02, 2011
by mongo
USB 3 4517 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5605 February 02, 2011
by Jalex
Alternating LED circuit 4 5478 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6819 January 31, 2011
by il1019
Affordable oscilloscopes 43 15251 January 27, 2011
by BStory
"And"gate unfinished thought 2 4681 January 27, 2011
by Hexorg
replace MCU? 30 9805 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5257 January 25, 2011
by Ralphxyz
Multimeter! 12 7532 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6179 January 25, 2011
by Jalex
My LED Cube so far 25 10963 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5966 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5404 January 18, 2011
by dgikuljot
Counting 5 4642 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9290 January 17, 2011
by bretm
Programming 5 5514 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5694 January 11, 2011
by Yourself
Begining 7 5778 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6160 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5483 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4804 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5351 January 06, 2011
by Mujda
Data input voltage 6 5343 January 03, 2011
by Rick_S
MOSFET Question 7 5517 December 31, 2010
by Keyster
Transistor as a switch 5 5536 December 29, 2010
by Hexorg
Resistors 5 5897 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10848 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5755 December 28, 2010
by BobaMosfet
Relay ratings 2 5055 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20421 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4893 December 17, 2010
by mongo
Power Rectifier 7 7197 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7536 December 14, 2010
by danuke
This a decent oscilloscope? 8 5299 December 14, 2010
by danuke
Do resistors in series really add up? 8 6730 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6123 December 09, 2010
by bretm
L293 H-Bridge 15 6813 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 7040 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7219 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6099 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6624 November 24, 2010
by BobaMosfet
Op-amp not working 6 6893 November 24, 2010
by BobaMosfet
Python questions 4 5845 November 21, 2010
by tkopriva
CE Amp design 5 5411 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5288 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5151 November 05, 2010
by Mujda
PC4 not working?! 8 5015 November 04, 2010
by hapshetsut
Amplifiers 4 4960 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5834 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5930 October 04, 2010
by Scythium
radio interference from NerdKit 11 5050 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9668 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5526 September 11, 2010
by akajester
QFP and dreadboard 2 5418 September 02, 2010
by bretm
Getting power to the spinning part... 5 5268 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13250 August 30, 2010
by Ralphxyz
morse code decoder 2 5383 August 26, 2010
by jonathan_m
Connecting to Computer 3 5363 August 25, 2010
by awesome
555 astable on breadboard 12 6878 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4993 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5485 August 19, 2010
by hevans
mosfet 3 4752 August 13, 2010
by hevans
Good material on learning electronics. 8 5765 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4638 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7395 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6586 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 10008 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 7054 July 02, 2010
by mongo
Electro Cardio Gram 4 5951 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4695 June 12, 2010
by Wobbler
Voltage Regulator 20 6427 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5976 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6644 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6275 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5479 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4710 June 06, 2010
by Kafke
TSSOP IC! 4 5484 June 03, 2010
by mrobbins
AVcc 2 5710 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4928 May 31, 2010
by hevans
Cable Driver 2 4603 May 31, 2010
by mongo
Best 9V adapter to use 2 5035 May 28, 2010
by mongo
Unidirectional microphones 5 5269 May 27, 2010
by mongo
Servo question 3 4772 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5444 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5298 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6970 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11973 May 21, 2010
by hevans
Chinese Solenoid 15 5290 May 10, 2010
by treymd
avrisp mkii circuit 4 6474 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4823 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10217 May 07, 2010
by rajabalu21
Simple Power Switch 6 4910 May 05, 2010
by avicell
I can haz speed! 3 5266 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6784 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5618 April 21, 2010
by bretm
Help with choosing the right resistor 10 6711 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11501 April 15, 2010
by bretm
Resistor 4 4629 April 15, 2010
by mongo
MCU digital input pins 3 4827 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5122 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10997 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 7056 March 28, 2010
by carlhako
Laptop ground safety question 3 5127 March 27, 2010
by ese
LM34 R-C Damper 5 6728 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5430 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4731 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6748 March 23, 2010
by ese
constant system reset 3 4629 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5403 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6491 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5727 March 17, 2010
by Frozenlock
What is -VS? 6 8809 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6538 March 04, 2010
by treymd
Using MCU to connect two wires 3 5621 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10461 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 5060 March 02, 2010
by Solorbob
Deciphering power resistors 11 5455 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4825 March 01, 2010
by nrotstan
Understanding LEDs 16 8059 March 01, 2010
by michaeldallas
What's the part I need? 5 4939 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11991 February 23, 2010
by rajabalu21
Too much power? 14 5689 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6346 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6311 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13859 February 18, 2010
by Rick_S
Serial port interface circuit 2 5842 February 17, 2010
by mongo
OBDII project 3 4896 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8513 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7675 February 13, 2010
by BobaMosfet
Digital pots 5 5126 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5454 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6337 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7745 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7896 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5689 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7497 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11395 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 6090 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5281 December 27, 2009
by jgauthier
Servo Signal Noise 2 4843 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8226 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11699 December 10, 2009
by georgio
Relays and transistors 12 9672 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9729 December 09, 2009
by Rick_S
IR Detector 7 9291 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5889 November 19, 2009
by mikedoug
Debug with lcd 6 5854 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5312 November 15, 2009
by tech20
Understanding output pin characteristics 4 5232 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7243 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5515 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49413 October 30, 2009
by BobaMosfet
DIY header unit 2 5686 October 10, 2009
by rusirius
Thermostat Logging 6 7356 October 09, 2009
by luke
Understanding transistors 6 7017 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 11007 October 07, 2009
by mikedoug
Currant booster 3 4844 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5817 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13885 August 27, 2009
by hevans
Which LED? 14 5592 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6633 August 07, 2009
by mongo
pull up, pull down resistors 7 18053 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 12069 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7883 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7275 July 07, 2009
by sector0
Reset switch for circuit 3 5497 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32146 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6635 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5391 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5556 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 6017 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5367 May 06, 2009
by paulip

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