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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 9003 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8358 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 7071 April 12, 2016
by Ralphxyz
USBasp Help! 3 5976 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8261 May 04, 2015
by mongo
Need to replace Wall Watt 16 5488 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5121 April 10, 2015
by Noter
My new 3D Printer 44 20702 April 07, 2015
by Rick_S
AtMega 644 2 5144 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4195 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4882 June 02, 2014
by JKITSON
Automated programming mode? 9 5169 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4742 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4769 January 28, 2014
by lailai
What kind of error is this? 4 4555 January 23, 2014
by Noter
How to double a DC voltage? 20 11997 January 12, 2014
by JKITSON
Is the code the driver? 2 4457 January 12, 2014
by Ralphxyz
Miniature headers 6 4670 January 01, 2014
by Ralphxyz
BLDC 8 4768 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5361 November 26, 2013
by Rick_S
GLCD SPI problems 14 8632 November 10, 2013
by andyi
Moving on... 7 4559 November 08, 2013
by Pr0ject
Power supply questions 4 6140 October 31, 2013
by sask55
OLED 4 4331 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16414 September 22, 2013
by sask55
Opto Interrupter once again 14 9045 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4735 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11807 September 02, 2013
by Ralphxyz
USB cable specifications 7 6348 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5272 August 27, 2013
by Affarram
XMEGA Breakout 8 5642 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4288 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4969 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 5007 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11741 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16384 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4304 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4904 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66454 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4092 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4664 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8847 March 14, 2013
by mongo
Current vs Voltage 8 5731 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5314 March 09, 2013
by lnino
Electric current 2 4078 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 7021 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9942 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9554 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5163 February 24, 2013
by lnino
Relay Question 27 8430 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8124 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5611 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5454 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5245 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4813 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5530 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4827 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5645 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4161 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4226 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4727 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10332 November 18, 2012
by carlhako
SPI slave clock 6 4962 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4338 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31626 October 23, 2012
by Noter
NPN circuit connection quandry 4 4911 September 24, 2012
by edb
Simple I/O circuit 4 4567 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4331 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4083 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6910 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4558 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6956 September 13, 2012
by dan_engbers
Electronics simulation 8 5189 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7375 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4469 August 20, 2012
by rblalock
louder sound 2 4238 August 18, 2012
by mongo
connector or cable for LCD display? 4 4454 August 13, 2012
by missle3944
Powering L.E.Ds 5 4587 August 09, 2012
by BobaMosfet
Wires in U.K 5 5056 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4968 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 8123 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7645 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5445 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22984 July 21, 2012
by lnino
um help 6 4046 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5099 July 18, 2012
by Ralphxyz
help me 11 4968 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4371 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5683 June 24, 2012
by Ralphxyz
HELP 3 4091 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15106 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4205 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6134 June 17, 2012
by RogerFL
Programmable current source 6 6206 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5726 June 11, 2012
by mongo
HELP 6 4429 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4833 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52642 May 24, 2012
by Ralphxyz
i need a code 8 4828 May 15, 2012
by pcbolt
Clock Accuracy 30 9502 May 14, 2012
by HexManiac
Relays and Controlling them 9 4812 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 5075 May 09, 2012
by RogerFL
Powering your NerdKit 7 4650 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4681 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7953 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5065 April 24, 2012
by pcbolt
Programs will not run 6 4565 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5220 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4865 April 09, 2012
by Ralphxyz
Path Lights controller 2 4431 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4545 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5093 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4643 April 01, 2012
by JamesFysh
Question on LCD screen 5 4664 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4619 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5961 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5580 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9295 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4727 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 6065 March 15, 2012
by mongo
Digital servo issues! 9 5278 March 15, 2012
by Rick_S
Brushless motor control 16 5611 March 12, 2012
by hevans
Windows not detecting device 3 4401 March 10, 2012
by hevans
Voltage throught MCU 5 4414 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20318 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 12179 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21607 March 01, 2012
by hevans
Up and running... 3 4205 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4859 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5215 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4441 February 24, 2012
by Rick_S
programming lcd trubs 7 4553 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5229 February 18, 2012
by Rick_S
Oscilloscope 15 6519 February 18, 2012
by Osarus
How far away can a LM34 be? 16 11052 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5654 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4843 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 12159 February 09, 2012
by mongo
Data transmission 3 5388 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5197 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6781 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4711 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4227 January 31, 2012
by tchilzer2
H bridge questions 6 5026 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4776 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5194 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5402 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8531 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 5060 January 15, 2012
by Rick_S
Source of power? 19 5216 January 13, 2012
by mongo
symbol defined please? 4 4863 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18290 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4774 January 06, 2012
by boxvic
Basic LED circuit properties 8 4997 January 06, 2012
by boxvic
Getting Started 3 4467 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5662 January 02, 2012
by bodangly
SMD reflow 16 5782 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4723 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5384 December 23, 2011
by BobaMosfet
Potentiometer 8 6379 December 23, 2011
by huzbum
Fun with Op-Amps 3 6611 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5686 December 19, 2011
by n1cl3
Odessy of the minds 5 4912 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4295 November 27, 2011
by sazD
Initial Load 2 4937 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5683 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6360 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 5008 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10192 November 10, 2011
by jfbrink
Servo Squitter Project 13 4767 November 09, 2011
by Heed
how do i run a program 4 4314 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4566 November 07, 2011
by Heed
Motor control question 2 4365 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10114 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4635 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4524 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 97936 October 24, 2011
by glendon
Measuring Capacitance 9 6061 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4662 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6419 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23379 October 16, 2011
by sask55
RxD / TxD Questions 10 8010 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4751 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4643 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4935 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4432 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 14338 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6128 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24673 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13391 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4365 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7968 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14113 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 9097 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5518 September 01, 2011
by BobaMosfet
Dim LED 3 4334 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4845 August 23, 2011
by Twarter369
Easy Transistor Question 4 5499 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7459 August 18, 2011
by Ralphxyz
Building a coil?? 12 7274 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4749 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4404 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4227 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4172 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24337 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5494 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4904 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4613 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4650 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7474 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4315 July 17, 2011
by codenamejupiterx
avr macpack 3 4691 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4686 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4796 July 13, 2011
by BobaMosfet
Battery clip wires 3 4227 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4127 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4413 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4670 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5125 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25485 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4644 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4866 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6999 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4932 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4951 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4817 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5453 June 06, 2011
by mja
A couple of questions 3 4556 June 06, 2011
by Ralphxyz
How much should I strip? 3 4605 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5092 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4503 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4822 May 29, 2011
by Rick_S
Digital Input Question 4 4561 May 28, 2011
by frankdwest
PCB arrived 20 4548 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5199 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24261 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5145 May 09, 2011
by Noter
IR current 6 4849 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5586 May 04, 2011
by hariharan
Heat sensors 21 5956 May 04, 2011
by Hexorg
error 1 2 4437 May 02, 2011
by hevans
Transistor vs mosfet 13 12757 May 01, 2011
by Noter
PCB trace width calculator 3 6001 April 24, 2011
by esoderberg
OLED display 10 5723 April 23, 2011
by Rick_S
Power Supplies 17 6276 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4362 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5072 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4527 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5557 April 19, 2011
by mongo
Connecting to external control voltages 4 4494 April 19, 2011
by bretm
IR current question 7 4614 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5409 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5602 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4861 April 10, 2011
by uml_12
Basic projects 3 4536 April 09, 2011
by mongo
REFLOW oven 22 7504 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14929 April 07, 2011
by bretm
unexpected MCU rebooting 82 9606 April 05, 2011
by sask55
REFLOW Soldering 3 5511 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4835 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7191 March 30, 2011
by bretm
Black Display on LCD 6 4800 March 28, 2011
by Druidman
32kHz clock 2 4453 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11753 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12361 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6673 March 16, 2011
by mongo
LCD problem 3 4844 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5476 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5550 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4554 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8297 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5513 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5440 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12504 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9258 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6133 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9595 February 19, 2011
by Lusitania
My first Impression 6 4974 February 16, 2011
by devinsbusiness
Understanding battery life 3 6308 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5855 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5506 February 05, 2011
by BobaMosfet
High voltage lines 26 7711 February 02, 2011
by mongo
USB 3 4505 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5593 February 02, 2011
by Jalex
Alternating LED circuit 4 5463 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6808 January 31, 2011
by il1019
Affordable oscilloscopes 43 15230 January 27, 2011
by BStory
"And"gate unfinished thought 2 4665 January 27, 2011
by Hexorg
replace MCU? 30 9785 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5246 January 25, 2011
by Ralphxyz
Multimeter! 12 7524 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6168 January 25, 2011
by Jalex
My LED Cube so far 25 10952 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5955 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5393 January 18, 2011
by dgikuljot
Counting 5 4631 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9280 January 17, 2011
by bretm
Programming 5 5502 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5685 January 11, 2011
by Yourself
Begining 7 5767 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6149 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5470 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4796 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5338 January 06, 2011
by Mujda
Data input voltage 6 5333 January 03, 2011
by Rick_S
MOSFET Question 7 5504 December 31, 2010
by Keyster
Transistor as a switch 5 5526 December 29, 2010
by Hexorg
Resistors 5 5883 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10836 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5745 December 28, 2010
by BobaMosfet
Relay ratings 2 5043 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20403 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4878 December 17, 2010
by mongo
Power Rectifier 7 7187 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7522 December 14, 2010
by danuke
This a decent oscilloscope? 8 5288 December 14, 2010
by danuke
Do resistors in series really add up? 8 6717 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6112 December 09, 2010
by bretm
L293 H-Bridge 15 6801 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 7025 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7187 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6089 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6612 November 24, 2010
by BobaMosfet
Op-amp not working 6 6884 November 24, 2010
by BobaMosfet
Python questions 4 5836 November 21, 2010
by tkopriva
CE Amp design 5 5400 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5276 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5139 November 05, 2010
by Mujda
PC4 not working?! 8 5000 November 04, 2010
by hapshetsut
Amplifiers 4 4945 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5819 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5915 October 04, 2010
by Scythium
radio interference from NerdKit 11 5038 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9657 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5512 September 11, 2010
by akajester
QFP and dreadboard 2 5407 September 02, 2010
by bretm
Getting power to the spinning part... 5 5259 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13238 August 30, 2010
by Ralphxyz
morse code decoder 2 5372 August 26, 2010
by jonathan_m
Connecting to Computer 3 5354 August 25, 2010
by awesome
555 astable on breadboard 12 6868 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4982 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5474 August 19, 2010
by hevans
mosfet 3 4740 August 13, 2010
by hevans
Good material on learning electronics. 8 5750 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4628 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7380 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6573 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9994 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 7043 July 02, 2010
by mongo
Electro Cardio Gram 4 5939 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4682 June 12, 2010
by Wobbler
Voltage Regulator 20 6412 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5965 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6628 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6263 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5469 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4697 June 06, 2010
by Kafke
TSSOP IC! 4 5470 June 03, 2010
by mrobbins
AVcc 2 5700 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4916 May 31, 2010
by hevans
Cable Driver 2 4591 May 31, 2010
by mongo
Best 9V adapter to use 2 5023 May 28, 2010
by mongo
Unidirectional microphones 5 5258 May 27, 2010
by mongo
Servo question 3 4760 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5432 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5288 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6961 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11959 May 21, 2010
by hevans
Chinese Solenoid 15 5274 May 10, 2010
by treymd
avrisp mkii circuit 4 6462 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4809 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10199 May 07, 2010
by rajabalu21
Simple Power Switch 6 4898 May 05, 2010
by avicell
I can haz speed! 3 5252 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6770 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5608 April 21, 2010
by bretm
Help with choosing the right resistor 10 6697 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11486 April 15, 2010
by bretm
Resistor 4 4613 April 15, 2010
by mongo
MCU digital input pins 3 4813 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5107 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10980 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 7045 March 28, 2010
by carlhako
Laptop ground safety question 3 5115 March 27, 2010
by ese
LM34 R-C Damper 5 6716 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5416 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4720 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6734 March 23, 2010
by ese
constant system reset 3 4614 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5392 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6479 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5713 March 17, 2010
by Frozenlock
What is -VS? 6 8795 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6529 March 04, 2010
by treymd
Using MCU to connect two wires 3 5610 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10439 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 5049 March 02, 2010
by Solorbob
Deciphering power resistors 11 5443 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4814 March 01, 2010
by nrotstan
Understanding LEDs 16 8048 March 01, 2010
by michaeldallas
What's the part I need? 5 4923 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11977 February 23, 2010
by rajabalu21
Too much power? 14 5678 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6337 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6298 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13843 February 18, 2010
by Rick_S
Serial port interface circuit 2 5827 February 17, 2010
by mongo
OBDII project 3 4883 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8499 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7662 February 13, 2010
by BobaMosfet
Digital pots 5 5115 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5446 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6323 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7735 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7884 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5678 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7482 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11382 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 6074 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5270 December 27, 2009
by jgauthier
Servo Signal Noise 2 4831 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8216 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11686 December 10, 2009
by georgio
Relays and transistors 12 9659 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9720 December 09, 2009
by Rick_S
IR Detector 7 9275 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5879 November 19, 2009
by mikedoug
Debug with lcd 6 5841 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5300 November 15, 2009
by tech20
Understanding output pin characteristics 4 5219 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7232 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5503 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49392 October 30, 2009
by BobaMosfet
DIY header unit 2 5670 October 10, 2009
by rusirius
Thermostat Logging 6 7339 October 09, 2009
by luke
Understanding transistors 6 7006 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10999 October 07, 2009
by mikedoug
Currant booster 3 4827 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5800 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13871 August 27, 2009
by hevans
Which LED? 14 5580 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6620 August 07, 2009
by mongo
pull up, pull down resistors 7 18040 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 12055 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7871 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7262 July 07, 2009
by sector0
Reset switch for circuit 3 5485 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32134 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6622 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5378 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5545 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 6004 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5356 May 06, 2009
by paulip

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