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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8955 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8317 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 7037 April 12, 2016
by Ralphxyz
USBasp Help! 3 5941 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8218 May 04, 2015
by mongo
Need to replace Wall Watt 16 5436 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5086 April 10, 2015
by Noter
My new 3D Printer 44 20670 April 07, 2015
by Rick_S
AtMega 644 2 5123 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4165 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4850 June 02, 2014
by JKITSON
Automated programming mode? 9 5138 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4710 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4743 January 28, 2014
by lailai
What kind of error is this? 4 4533 January 23, 2014
by Noter
How to double a DC voltage? 20 11958 January 12, 2014
by JKITSON
Is the code the driver? 2 4430 January 12, 2014
by Ralphxyz
Miniature headers 6 4646 January 01, 2014
by Ralphxyz
BLDC 8 4741 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5336 November 26, 2013
by Rick_S
GLCD SPI problems 14 8599 November 10, 2013
by andyi
Moving on... 7 4534 November 08, 2013
by Pr0ject
Power supply questions 4 6108 October 31, 2013
by sask55
OLED 4 4307 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16347 September 22, 2013
by sask55
Opto Interrupter once again 14 8998 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4711 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11760 September 02, 2013
by Ralphxyz
USB cable specifications 7 6298 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5241 August 27, 2013
by Affarram
XMEGA Breakout 8 5610 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4261 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4939 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4982 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11658 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16323 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4278 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4876 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66382 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4073 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4633 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8809 March 14, 2013
by mongo
Current vs Voltage 8 5704 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5279 March 09, 2013
by lnino
Electric current 2 4053 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6993 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9890 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9507 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5134 February 24, 2013
by lnino
Relay Question 27 8400 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8093 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5579 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5432 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5212 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4794 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5492 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4795 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5618 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4137 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4203 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4695 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10291 November 18, 2012
by carlhako
SPI slave clock 6 4932 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4314 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31395 October 23, 2012
by Noter
NPN circuit connection quandry 4 4890 September 24, 2012
by edb
Simple I/O circuit 4 4543 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4311 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4056 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6878 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4537 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6929 September 13, 2012
by dan_engbers
Electronics simulation 8 5167 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7343 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4444 August 20, 2012
by rblalock
louder sound 2 4216 August 18, 2012
by mongo
connector or cable for LCD display? 4 4436 August 13, 2012
by missle3944
Powering L.E.Ds 5 4560 August 09, 2012
by BobaMosfet
Wires in U.K 5 5033 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4948 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 8075 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7611 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5410 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22946 July 21, 2012
by lnino
um help 6 4022 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5078 July 18, 2012
by Ralphxyz
help me 11 4934 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4335 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5652 June 24, 2012
by Ralphxyz
HELP 3 4068 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15075 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4179 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6108 June 17, 2012
by RogerFL
Programmable current source 6 6170 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5704 June 11, 2012
by mongo
HELP 6 4400 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4802 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52541 May 24, 2012
by Ralphxyz
i need a code 8 4802 May 15, 2012
by pcbolt
Clock Accuracy 30 9476 May 14, 2012
by HexManiac
Relays and Controlling them 9 4782 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 5043 May 09, 2012
by RogerFL
Powering your NerdKit 7 4623 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4654 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7911 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5047 April 24, 2012
by pcbolt
Programs will not run 6 4542 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5192 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4840 April 09, 2012
by Ralphxyz
Path Lights controller 2 4404 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4521 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5072 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4614 April 01, 2012
by JamesFysh
Question on LCD screen 5 4636 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4595 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5927 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5534 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9261 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4703 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 6020 March 15, 2012
by mongo
Digital servo issues! 9 5248 March 15, 2012
by Rick_S
Brushless motor control 16 5578 March 12, 2012
by hevans
Windows not detecting device 3 4375 March 10, 2012
by hevans
Voltage throught MCU 5 4386 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20288 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 12136 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21547 March 01, 2012
by hevans
Up and running... 3 4171 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4827 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5183 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4416 February 24, 2012
by Rick_S
programming lcd trubs 7 4531 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5204 February 18, 2012
by Rick_S
Oscilloscope 15 6490 February 18, 2012
by Osarus
How far away can a LM34 be? 16 11008 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5631 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4814 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 12104 February 09, 2012
by mongo
Data transmission 3 5367 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5174 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6747 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4674 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4207 January 31, 2012
by tchilzer2
H bridge questions 6 5002 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4747 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5166 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5370 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8504 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 5033 January 15, 2012
by Rick_S
Source of power? 19 5169 January 13, 2012
by mongo
symbol defined please? 4 4839 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18238 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4748 January 06, 2012
by boxvic
Basic LED circuit properties 8 4974 January 06, 2012
by boxvic
Getting Started 3 4443 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5630 January 02, 2012
by bodangly
SMD reflow 16 5746 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4698 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5362 December 23, 2011
by BobaMosfet
Potentiometer 8 6335 December 23, 2011
by huzbum
Fun with Op-Amps 3 6579 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5658 December 19, 2011
by n1cl3
Odessy of the minds 5 4887 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4271 November 27, 2011
by sazD
Initial Load 2 4914 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5654 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6332 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4983 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10171 November 10, 2011
by jfbrink
Servo Squitter Project 13 4731 November 09, 2011
by Heed
how do i run a program 4 4290 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4546 November 07, 2011
by Heed
Motor control question 2 4331 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10066 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4610 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4502 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 97818 October 24, 2011
by glendon
Measuring Capacitance 9 6033 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4640 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6395 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23293 October 16, 2011
by sask55
RxD / TxD Questions 10 7972 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4726 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4618 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4906 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4404 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 14278 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6100 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24616 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13342 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4346 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7937 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14077 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 9053 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5488 September 01, 2011
by BobaMosfet
Dim LED 3 4313 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4821 August 23, 2011
by Twarter369
Easy Transistor Question 4 5470 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7429 August 18, 2011
by Ralphxyz
Building a coil?? 12 7242 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4727 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4379 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4207 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4146 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24308 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5474 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4884 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4592 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4632 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7440 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4296 July 17, 2011
by codenamejupiterx
avr macpack 3 4672 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4658 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4769 July 13, 2011
by BobaMosfet
Battery clip wires 3 4208 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4105 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4392 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4642 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5104 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25453 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4620 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4846 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6971 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4909 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4924 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4790 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5422 June 06, 2011
by mja
A couple of questions 3 4526 June 06, 2011
by Ralphxyz
How much should I strip? 3 4584 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5067 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4471 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4803 May 29, 2011
by Rick_S
Digital Input Question 4 4540 May 28, 2011
by frankdwest
PCB arrived 20 4525 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5171 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24222 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5124 May 09, 2011
by Noter
IR current 6 4822 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5553 May 04, 2011
by hariharan
Heat sensors 21 5930 May 04, 2011
by Hexorg
error 1 2 4419 May 02, 2011
by hevans
Transistor vs mosfet 13 12719 May 01, 2011
by Noter
PCB trace width calculator 3 5981 April 24, 2011
by esoderberg
OLED display 10 5703 April 23, 2011
by Rick_S
Power Supplies 17 6250 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4341 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5045 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4501 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5522 April 19, 2011
by mongo
Connecting to external control voltages 4 4468 April 19, 2011
by bretm
IR current question 7 4592 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5387 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5579 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4839 April 10, 2011
by uml_12
Basic projects 3 4515 April 09, 2011
by mongo
REFLOW oven 22 7475 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14881 April 07, 2011
by bretm
unexpected MCU rebooting 82 9556 April 05, 2011
by sask55
REFLOW Soldering 3 5481 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4810 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7162 March 30, 2011
by bretm
Black Display on LCD 6 4776 March 28, 2011
by Druidman
32kHz clock 2 4430 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11702 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12303 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6652 March 16, 2011
by mongo
LCD problem 3 4819 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5455 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5527 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4530 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8265 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5486 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5419 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12477 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9225 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6107 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9569 February 19, 2011
by Lusitania
My first Impression 6 4949 February 16, 2011
by devinsbusiness
Understanding battery life 3 6278 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5837 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5481 February 05, 2011
by BobaMosfet
High voltage lines 26 7683 February 02, 2011
by mongo
USB 3 4484 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5569 February 02, 2011
by Jalex
Alternating LED circuit 4 5439 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6787 January 31, 2011
by il1019
Affordable oscilloscopes 43 15183 January 27, 2011
by BStory
"And"gate unfinished thought 2 4641 January 27, 2011
by Hexorg
replace MCU? 30 9759 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5215 January 25, 2011
by Ralphxyz
Multimeter! 12 7502 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6148 January 25, 2011
by Jalex
My LED Cube so far 25 10922 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5934 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5370 January 18, 2011
by dgikuljot
Counting 5 4598 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9255 January 17, 2011
by bretm
Programming 5 5475 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5661 January 11, 2011
by Yourself
Begining 7 5742 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6125 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5449 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4774 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5311 January 06, 2011
by Mujda
Data input voltage 6 5307 January 03, 2011
by Rick_S
MOSFET Question 7 5462 December 31, 2010
by Keyster
Transistor as a switch 5 5500 December 29, 2010
by Hexorg
Resistors 5 5856 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10810 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5718 December 28, 2010
by BobaMosfet
Relay ratings 2 5019 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20373 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4858 December 17, 2010
by mongo
Power Rectifier 7 7153 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7493 December 14, 2010
by danuke
This a decent oscilloscope? 8 5263 December 14, 2010
by danuke
Do resistors in series really add up? 8 6693 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6088 December 09, 2010
by bretm
L293 H-Bridge 15 6774 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6992 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7160 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6059 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6588 November 24, 2010
by BobaMosfet
Op-amp not working 6 6861 November 24, 2010
by BobaMosfet
Python questions 4 5817 November 21, 2010
by tkopriva
CE Amp design 5 5375 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5256 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5116 November 05, 2010
by Mujda
PC4 not working?! 8 4975 November 04, 2010
by hapshetsut
Amplifiers 4 4927 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5796 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5890 October 04, 2010
by Scythium
radio interference from NerdKit 11 5013 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9638 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5486 September 11, 2010
by akajester
QFP and dreadboard 2 5384 September 02, 2010
by bretm
Getting power to the spinning part... 5 5239 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13209 August 30, 2010
by Ralphxyz
morse code decoder 2 5355 August 26, 2010
by jonathan_m
Connecting to Computer 3 5334 August 25, 2010
by awesome
555 astable on breadboard 12 6845 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4962 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5458 August 19, 2010
by hevans
mosfet 3 4723 August 13, 2010
by hevans
Good material on learning electronics. 8 5724 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4605 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7344 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6547 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9966 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 7018 July 02, 2010
by mongo
Electro Cardio Gram 4 5911 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4664 June 12, 2010
by Wobbler
Voltage Regulator 20 6389 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5934 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6608 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6244 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5446 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4675 June 06, 2010
by Kafke
TSSOP IC! 4 5450 June 03, 2010
by mrobbins
AVcc 2 5681 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4889 May 31, 2010
by hevans
Cable Driver 2 4566 May 31, 2010
by mongo
Best 9V adapter to use 2 5002 May 28, 2010
by mongo
Unidirectional microphones 5 5239 May 27, 2010
by mongo
Servo question 3 4733 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5413 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5270 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6940 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11928 May 21, 2010
by hevans
Chinese Solenoid 15 5242 May 10, 2010
by treymd
avrisp mkii circuit 4 6446 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4789 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10161 May 07, 2010
by rajabalu21
Simple Power Switch 6 4871 May 05, 2010
by avicell
I can haz speed! 3 5229 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6740 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5578 April 21, 2010
by bretm
Help with choosing the right resistor 10 6671 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11452 April 15, 2010
by bretm
Resistor 4 4588 April 15, 2010
by mongo
MCU digital input pins 3 4792 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5077 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10961 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 7016 March 28, 2010
by carlhako
Laptop ground safety question 3 5096 March 27, 2010
by ese
LM34 R-C Damper 5 6681 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5397 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4702 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6710 March 23, 2010
by ese
constant system reset 3 4597 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5372 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6459 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5696 March 17, 2010
by Frozenlock
What is -VS? 6 8765 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6510 March 04, 2010
by treymd
Using MCU to connect two wires 3 5591 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10405 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 5027 March 02, 2010
by Solorbob
Deciphering power resistors 11 5416 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4794 March 01, 2010
by nrotstan
Understanding LEDs 16 8019 March 01, 2010
by michaeldallas
What's the part I need? 5 4904 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11950 February 23, 2010
by rajabalu21
Too much power? 14 5654 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6315 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6271 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13807 February 18, 2010
by Rick_S
Serial port interface circuit 2 5802 February 17, 2010
by mongo
OBDII project 3 4862 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8473 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7632 February 13, 2010
by BobaMosfet
Digital pots 5 5093 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5419 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6295 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7706 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7859 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5655 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7453 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11358 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 6047 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5252 December 27, 2009
by jgauthier
Servo Signal Noise 2 4808 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8191 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11654 December 10, 2009
by georgio
Relays and transistors 12 9633 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9697 December 09, 2009
by Rick_S
IR Detector 7 9242 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5858 November 19, 2009
by mikedoug
Debug with lcd 6 5817 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5281 November 15, 2009
by tech20
Understanding output pin characteristics 4 5193 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7206 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5470 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49336 October 30, 2009
by BobaMosfet
DIY header unit 2 5644 October 10, 2009
by rusirius
Thermostat Logging 6 7313 October 09, 2009
by luke
Understanding transistors 6 6982 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10975 October 07, 2009
by mikedoug
Currant booster 3 4800 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5779 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13839 August 27, 2009
by hevans
Which LED? 14 5559 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6594 August 07, 2009
by mongo
pull up, pull down resistors 7 18016 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 12021 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7840 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7233 July 07, 2009
by sector0
Reset switch for circuit 3 5461 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32105 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6602 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5358 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5516 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5984 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5333 May 06, 2009
by paulip

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