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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8863 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8250 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6973 April 12, 2016
by Ralphxyz
USBasp Help! 3 5874 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8130 May 04, 2015
by mongo
Need to replace Wall Watt 16 5372 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5026 April 10, 2015
by Noter
My new 3D Printer 44 20602 April 07, 2015
by Rick_S
AtMega 644 2 5074 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4122 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4799 June 02, 2014
by JKITSON
Automated programming mode? 9 5082 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4655 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4695 January 28, 2014
by lailai
What kind of error is this? 4 4490 January 23, 2014
by Noter
How to double a DC voltage? 20 11895 January 12, 2014
by JKITSON
Is the code the driver? 2 4375 January 12, 2014
by Ralphxyz
Miniature headers 6 4593 January 01, 2014
by Ralphxyz
BLDC 8 4680 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5278 November 26, 2013
by Rick_S
GLCD SPI problems 14 8543 November 10, 2013
by andyi
Moving on... 7 4489 November 08, 2013
by Pr0ject
Power supply questions 4 6058 October 31, 2013
by sask55
OLED 4 4256 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16267 September 22, 2013
by sask55
Opto Interrupter once again 14 8940 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4665 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11678 September 02, 2013
by Ralphxyz
USB cable specifications 7 6211 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5187 August 27, 2013
by Affarram
XMEGA Breakout 8 5546 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4216 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4888 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4933 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11355 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16006 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4208 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4827 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66283 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4020 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4579 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8747 March 14, 2013
by mongo
Current vs Voltage 8 5651 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5231 March 09, 2013
by lnino
Electric current 2 4006 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6950 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9702 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9231 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5091 February 24, 2013
by lnino
Relay Question 27 8346 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8037 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5519 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5389 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5164 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4750 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5426 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4742 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5570 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4085 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4161 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4640 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10205 November 18, 2012
by carlhako
SPI slave clock 6 4881 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4264 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31175 October 23, 2012
by Noter
NPN circuit connection quandry 4 4840 September 24, 2012
by edb
Simple I/O circuit 4 4494 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4276 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4003 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6810 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4488 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6876 September 13, 2012
by dan_engbers
Electronics simulation 8 5129 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7278 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4402 August 20, 2012
by rblalock
louder sound 2 4169 August 18, 2012
by mongo
connector or cable for LCD display? 4 4384 August 13, 2012
by missle3944
Powering L.E.Ds 5 4516 August 09, 2012
by BobaMosfet
Wires in U.K 5 4988 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4899 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7898 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7553 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5354 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22880 July 21, 2012
by lnino
um help 6 3977 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5031 July 18, 2012
by Ralphxyz
help me 11 4889 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4275 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5593 June 24, 2012
by Ralphxyz
HELP 3 4031 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15012 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4137 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6062 June 17, 2012
by RogerFL
Programmable current source 6 6110 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5660 June 11, 2012
by mongo
HELP 6 4356 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4756 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52106 May 24, 2012
by Ralphxyz
i need a code 8 4761 May 15, 2012
by pcbolt
Clock Accuracy 30 9428 May 14, 2012
by HexManiac
Relays and Controlling them 9 4732 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4999 May 09, 2012
by RogerFL
Powering your NerdKit 7 4582 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4606 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7854 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5010 April 24, 2012
by pcbolt
Programs will not run 6 4500 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5133 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4793 April 09, 2012
by Ralphxyz
Path Lights controller 2 4362 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4476 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5017 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4572 April 01, 2012
by JamesFysh
Question on LCD screen 5 4574 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4544 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5868 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5482 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9212 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4660 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5939 March 15, 2012
by mongo
Digital servo issues! 9 5182 March 15, 2012
by Rick_S
Brushless motor control 16 5525 March 12, 2012
by hevans
Windows not detecting device 3 4322 March 10, 2012
by hevans
Voltage throught MCU 5 4330 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20218 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11963 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21261 March 01, 2012
by hevans
Up and running... 3 4121 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4785 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5137 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4366 February 24, 2012
by Rick_S
programming lcd trubs 7 4485 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5156 February 18, 2012
by Rick_S
Oscilloscope 15 6429 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10945 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5576 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4767 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11561 February 09, 2012
by mongo
Data transmission 3 5314 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5126 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6702 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4617 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4163 January 31, 2012
by tchilzer2
H bridge questions 6 4954 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4703 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5120 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5322 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8447 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4987 January 15, 2012
by Rick_S
Source of power? 19 5126 January 13, 2012
by mongo
symbol defined please? 4 4798 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18175 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4700 January 06, 2012
by boxvic
Basic LED circuit properties 8 4931 January 06, 2012
by boxvic
Getting Started 3 4397 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5588 January 02, 2012
by bodangly
SMD reflow 16 5700 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4658 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5318 December 23, 2011
by BobaMosfet
Potentiometer 8 6287 December 23, 2011
by huzbum
Fun with Op-Amps 3 6525 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5610 December 19, 2011
by n1cl3
Odessy of the minds 5 4846 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4226 November 27, 2011
by sazD
Initial Load 2 4880 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5604 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6283 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4942 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10107 November 10, 2011
by jfbrink
Servo Squitter Project 13 4686 November 09, 2011
by Heed
how do i run a program 4 4249 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4506 November 07, 2011
by Heed
Motor control question 2 4297 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10003 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4561 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4445 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 96872 October 24, 2011
by glendon
Measuring Capacitance 9 5990 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4593 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6348 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23119 October 16, 2011
by sask55
RxD / TxD Questions 10 7846 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4680 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4568 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4864 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4365 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13901 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6059 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24542 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13284 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4306 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7882 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14008 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8987 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5432 September 01, 2011
by BobaMosfet
Dim LED 3 4261 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4777 August 23, 2011
by Twarter369
Easy Transistor Question 4 5422 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7189 August 18, 2011
by Ralphxyz
Building a coil?? 12 7190 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4678 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4325 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4167 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4099 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24243 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5427 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4836 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4551 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4595 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7380 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4250 July 17, 2011
by codenamejupiterx
avr macpack 3 4621 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4616 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4716 July 13, 2011
by BobaMosfet
Battery clip wires 3 4172 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4056 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4349 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4593 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5049 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25379 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4571 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4801 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6905 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4849 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4865 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4752 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5328 June 06, 2011
by mja
A couple of questions 3 4470 June 06, 2011
by Ralphxyz
How much should I strip? 3 4542 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5027 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4425 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4758 May 29, 2011
by Rick_S
Digital Input Question 4 4491 May 28, 2011
by frankdwest
PCB arrived 20 4481 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5122 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24153 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5074 May 09, 2011
by Noter
IR current 6 4774 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5500 May 04, 2011
by hariharan
Heat sensors 21 5873 May 04, 2011
by Hexorg
error 1 2 4376 May 02, 2011
by hevans
Transistor vs mosfet 13 12658 May 01, 2011
by Noter
PCB trace width calculator 3 5940 April 24, 2011
by esoderberg
OLED display 10 5655 April 23, 2011
by Rick_S
Power Supplies 17 6202 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4301 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5004 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4453 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5478 April 19, 2011
by mongo
Connecting to external control voltages 4 4423 April 19, 2011
by bretm
IR current question 7 4552 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5333 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5533 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4795 April 10, 2011
by uml_12
Basic projects 3 4472 April 09, 2011
by mongo
REFLOW oven 22 7428 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14779 April 07, 2011
by bretm
unexpected MCU rebooting 82 9471 April 05, 2011
by sask55
REFLOW Soldering 3 5420 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4767 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7113 March 30, 2011
by bretm
Black Display on LCD 6 4734 March 28, 2011
by Druidman
32kHz clock 2 4393 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11618 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12175 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6609 March 16, 2011
by mongo
LCD problem 3 4781 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5403 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5482 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4492 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8215 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5432 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5385 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12424 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9165 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6061 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9516 February 19, 2011
by Lusitania
My first Impression 6 4902 February 16, 2011
by devinsbusiness
Understanding battery life 3 6224 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5796 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5437 February 05, 2011
by BobaMosfet
High voltage lines 26 7628 February 02, 2011
by mongo
USB 3 4445 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5524 February 02, 2011
by Jalex
Alternating LED circuit 4 5398 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6732 January 31, 2011
by il1019
Affordable oscilloscopes 43 15015 January 27, 2011
by BStory
"And"gate unfinished thought 2 4599 January 27, 2011
by Hexorg
replace MCU? 30 9691 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5164 January 25, 2011
by Ralphxyz
Multimeter! 12 7451 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6098 January 25, 2011
by Jalex
My LED Cube so far 25 10873 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5889 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5326 January 18, 2011
by dgikuljot
Counting 5 4549 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9203 January 17, 2011
by bretm
Programming 5 5422 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5607 January 11, 2011
by Yourself
Begining 7 5689 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6080 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5407 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4724 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5253 January 06, 2011
by Mujda
Data input voltage 6 5261 January 03, 2011
by Rick_S
MOSFET Question 7 5405 December 31, 2010
by Keyster
Transistor as a switch 5 5455 December 29, 2010
by Hexorg
Resistors 5 5812 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10753 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5666 December 28, 2010
by BobaMosfet
Relay ratings 2 4980 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20316 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4807 December 17, 2010
by mongo
Power Rectifier 7 7104 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7440 December 14, 2010
by danuke
This a decent oscilloscope? 8 5220 December 14, 2010
by danuke
Do resistors in series really add up? 8 6642 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6035 December 09, 2010
by bretm
L293 H-Bridge 15 6729 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6943 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7107 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6012 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6536 November 24, 2010
by BobaMosfet
Op-amp not working 6 6807 November 24, 2010
by BobaMosfet
Python questions 4 5767 November 21, 2010
by tkopriva
CE Amp design 5 5316 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5213 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5076 November 05, 2010
by Mujda
PC4 not working?! 8 4933 November 04, 2010
by hapshetsut
Amplifiers 4 4882 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5747 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5832 October 04, 2010
by Scythium
radio interference from NerdKit 11 4965 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9593 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5437 September 11, 2010
by akajester
QFP and dreadboard 2 5342 September 02, 2010
by bretm
Getting power to the spinning part... 5 5198 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13153 August 30, 2010
by Ralphxyz
morse code decoder 2 5311 August 26, 2010
by jonathan_m
Connecting to Computer 3 5298 August 25, 2010
by awesome
555 astable on breadboard 12 6806 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4918 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5414 August 19, 2010
by hevans
mosfet 3 4678 August 13, 2010
by hevans
Good material on learning electronics. 8 5680 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4564 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7271 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6506 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9900 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6979 July 02, 2010
by mongo
Electro Cardio Gram 4 5856 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4621 June 12, 2010
by Wobbler
Voltage Regulator 20 6345 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5895 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6558 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6209 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5403 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4627 June 06, 2010
by Kafke
TSSOP IC! 4 5411 June 03, 2010
by mrobbins
AVcc 2 5643 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4836 May 31, 2010
by hevans
Cable Driver 2 4524 May 31, 2010
by mongo
Best 9V adapter to use 2 4961 May 28, 2010
by mongo
Unidirectional microphones 5 5205 May 27, 2010
by mongo
Servo question 3 4674 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5368 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5221 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6898 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11858 May 21, 2010
by hevans
Chinese Solenoid 15 5199 May 10, 2010
by treymd
avrisp mkii circuit 4 6405 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4743 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10099 May 07, 2010
by rajabalu21
Simple Power Switch 6 4834 May 05, 2010
by avicell
I can haz speed! 3 5186 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6689 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5530 April 21, 2010
by bretm
Help with choosing the right resistor 10 6629 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11384 April 15, 2010
by bretm
Resistor 4 4537 April 15, 2010
by mongo
MCU digital input pins 3 4745 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5027 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10920 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6981 March 28, 2010
by carlhako
Laptop ground safety question 3 5062 March 27, 2010
by ese
LM34 R-C Damper 5 6639 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5357 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4663 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6675 March 23, 2010
by ese
constant system reset 3 4549 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5323 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6409 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5652 March 17, 2010
by Frozenlock
What is -VS? 6 8719 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6464 March 04, 2010
by treymd
Using MCU to connect two wires 3 5550 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10336 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4982 March 02, 2010
by Solorbob
Deciphering power resistors 11 5370 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4754 March 01, 2010
by nrotstan
Understanding LEDs 16 7965 March 01, 2010
by michaeldallas
What's the part I need? 5 4862 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11906 February 23, 2010
by rajabalu21
Too much power? 14 5610 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6273 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6219 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13751 February 18, 2010
by Rick_S
Serial port interface circuit 2 5761 February 17, 2010
by mongo
OBDII project 3 4824 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8435 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7583 February 13, 2010
by BobaMosfet
Digital pots 5 5048 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5379 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6255 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7654 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7793 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5617 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7400 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11225 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5992 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5204 December 27, 2009
by jgauthier
Servo Signal Noise 2 4765 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8147 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11595 December 10, 2009
by georgio
Relays and transistors 12 9585 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9654 December 09, 2009
by Rick_S
IR Detector 7 9182 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5822 November 19, 2009
by mikedoug
Debug with lcd 6 5775 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5248 November 15, 2009
by tech20
Understanding output pin characteristics 4 5152 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7157 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5426 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49091 October 30, 2009
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DIY header unit 2 5605 October 10, 2009
by rusirius
Thermostat Logging 6 7262 October 09, 2009
by luke
Understanding transistors 6 6954 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10930 October 07, 2009
by mikedoug
Currant booster 3 4764 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5747 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13792 August 27, 2009
by hevans
Which LED? 14 5515 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6547 August 07, 2009
by mongo
pull up, pull down resistors 7 17965 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11948 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7799 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7185 July 07, 2009
by sector0
Reset switch for circuit 3 5424 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32052 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6557 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5316 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5472 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5948 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5290 May 06, 2009
by paulip

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