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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 9023 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8371 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 7086 April 12, 2016
by Ralphxyz
USBasp Help! 3 5991 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8276 May 04, 2015
by mongo
Need to replace Wall Watt 16 5503 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5130 April 10, 2015
by Noter
My new 3D Printer 44 20711 April 07, 2015
by Rick_S
AtMega 644 2 5150 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4206 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4893 June 02, 2014
by JKITSON
Automated programming mode? 9 5180 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4749 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4781 January 28, 2014
by lailai
What kind of error is this? 4 4562 January 23, 2014
by Noter
How to double a DC voltage? 20 12012 January 12, 2014
by JKITSON
Is the code the driver? 2 4468 January 12, 2014
by Ralphxyz
Miniature headers 6 4683 January 01, 2014
by Ralphxyz
BLDC 8 4778 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5375 November 26, 2013
by Rick_S
GLCD SPI problems 14 8642 November 10, 2013
by andyi
Moving on... 7 4571 November 08, 2013
by Pr0ject
Power supply questions 4 6151 October 31, 2013
by sask55
OLED 4 4340 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16434 September 22, 2013
by sask55
Opto Interrupter once again 14 9065 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4745 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11821 September 02, 2013
by Ralphxyz
USB cable specifications 7 6365 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5283 August 27, 2013
by Affarram
XMEGA Breakout 8 5649 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4298 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4979 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 5016 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11761 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16398 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4312 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4912 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66475 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4104 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4672 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8856 March 14, 2013
by mongo
Current vs Voltage 8 5743 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5323 March 09, 2013
by lnino
Electric current 2 4086 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 7034 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9955 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9598 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5172 February 24, 2013
by lnino
Relay Question 27 8441 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8141 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5620 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5464 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5256 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4825 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5539 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4837 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5660 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4177 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4233 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4737 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10346 November 18, 2012
by carlhako
SPI slave clock 6 4970 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4345 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31649 October 23, 2012
by Noter
NPN circuit connection quandry 4 4920 September 24, 2012
by edb
Simple I/O circuit 4 4576 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4339 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4094 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6924 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4566 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6969 September 13, 2012
by dan_engbers
Electronics simulation 8 5200 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7386 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4479 August 20, 2012
by rblalock
louder sound 2 4247 August 18, 2012
by mongo
connector or cable for LCD display? 4 4465 August 13, 2012
by missle3944
Powering L.E.Ds 5 4598 August 09, 2012
by BobaMosfet
Wires in U.K 5 5066 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4983 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 8134 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7656 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5461 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22996 July 21, 2012
by lnino
um help 6 4058 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5111 July 18, 2012
by Ralphxyz
help me 11 4979 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4380 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5694 June 24, 2012
by Ralphxyz
HELP 3 4099 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15119 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4217 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6147 June 17, 2012
by RogerFL
Programmable current source 6 6220 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5737 June 11, 2012
by mongo
HELP 6 4440 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4842 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52659 May 24, 2012
by Ralphxyz
i need a code 8 4840 May 15, 2012
by pcbolt
Clock Accuracy 30 9514 May 14, 2012
by HexManiac
Relays and Controlling them 9 4825 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 5082 May 09, 2012
by RogerFL
Powering your NerdKit 7 4658 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4692 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7966 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5073 April 24, 2012
by pcbolt
Programs will not run 6 4574 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5227 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4874 April 09, 2012
by Ralphxyz
Path Lights controller 2 4442 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4551 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5104 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4652 April 01, 2012
by JamesFysh
Question on LCD screen 5 4674 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4635 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5970 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5594 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9303 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4736 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 6078 March 15, 2012
by mongo
Digital servo issues! 9 5289 March 15, 2012
by Rick_S
Brushless motor control 16 5619 March 12, 2012
by hevans
Windows not detecting device 3 4411 March 10, 2012
by hevans
Voltage throught MCU 5 4425 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20328 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 12195 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21621 March 01, 2012
by hevans
Up and running... 3 4218 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4870 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5220 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4452 February 24, 2012
by Rick_S
programming lcd trubs 7 4561 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5238 February 18, 2012
by Rick_S
Oscilloscope 15 6530 February 18, 2012
by Osarus
How far away can a LM34 be? 16 11065 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5666 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4852 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 12172 February 09, 2012
by mongo
Data transmission 3 5397 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5207 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6788 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4719 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4238 January 31, 2012
by tchilzer2
H bridge questions 6 5034 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4786 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5202 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5411 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8541 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 5073 January 15, 2012
by Rick_S
Source of power? 19 5227 January 13, 2012
by mongo
symbol defined please? 4 4873 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18302 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4785 January 06, 2012
by boxvic
Basic LED circuit properties 8 5009 January 06, 2012
by boxvic
Getting Started 3 4475 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5671 January 02, 2012
by bodangly
SMD reflow 16 5792 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4731 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5394 December 23, 2011
by BobaMosfet
Potentiometer 8 6396 December 23, 2011
by huzbum
Fun with Op-Amps 3 6617 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5694 December 19, 2011
by n1cl3
Odessy of the minds 5 4923 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4308 November 27, 2011
by sazD
Initial Load 2 4947 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5695 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6366 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 5015 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10202 November 10, 2011
by jfbrink
Servo Squitter Project 13 4776 November 09, 2011
by Heed
how do i run a program 4 4325 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4576 November 07, 2011
by Heed
Motor control question 2 4375 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10125 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4646 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4538 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 97958 October 24, 2011
by glendon
Measuring Capacitance 9 6069 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4672 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6426 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23404 October 16, 2011
by sask55
RxD / TxD Questions 10 8025 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4762 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4655 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4944 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4440 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 14363 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6137 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24686 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13421 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4375 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7981 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14128 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 9109 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5525 September 01, 2011
by BobaMosfet
Dim LED 3 4343 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4853 August 23, 2011
by Twarter369
Easy Transistor Question 4 5508 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7470 August 18, 2011
by Ralphxyz
Building a coil?? 12 7287 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4759 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4413 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4237 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4178 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24351 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5503 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4914 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4621 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4660 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7487 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4327 July 17, 2011
by codenamejupiterx
avr macpack 3 4702 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4697 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4807 July 13, 2011
by BobaMosfet
Battery clip wires 3 4238 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4137 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4422 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4678 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5132 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25499 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4652 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4874 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 7008 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4948 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4959 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4825 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5464 June 06, 2011
by mja
A couple of questions 3 4563 June 06, 2011
by Ralphxyz
How much should I strip? 3 4613 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5100 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4511 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4832 May 29, 2011
by Rick_S
Digital Input Question 4 4572 May 28, 2011
by frankdwest
PCB arrived 20 4559 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5206 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24275 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5155 May 09, 2011
by Noter
IR current 6 4859 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5596 May 04, 2011
by hariharan
Heat sensors 21 5968 May 04, 2011
by Hexorg
error 1 2 4449 May 02, 2011
by hevans
Transistor vs mosfet 13 12771 May 01, 2011
by Noter
PCB trace width calculator 3 6010 April 24, 2011
by esoderberg
OLED display 10 5733 April 23, 2011
by Rick_S
Power Supplies 17 6286 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4371 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5081 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4539 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5567 April 19, 2011
by mongo
Connecting to external control voltages 4 4501 April 19, 2011
by bretm
IR current question 7 4626 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5418 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5613 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4868 April 10, 2011
by uml_12
Basic projects 3 4544 April 09, 2011
by mongo
REFLOW oven 22 7513 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14940 April 07, 2011
by bretm
unexpected MCU rebooting 82 9618 April 05, 2011
by sask55
REFLOW Soldering 3 5524 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4844 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7201 March 30, 2011
by bretm
Black Display on LCD 6 4809 March 28, 2011
by Druidman
32kHz clock 2 4462 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11772 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12380 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6682 March 16, 2011
by mongo
LCD problem 3 4852 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5487 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5558 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4561 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8308 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5525 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5449 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12511 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9270 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6144 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9605 February 19, 2011
by Lusitania
My first Impression 6 4983 February 16, 2011
by devinsbusiness
Understanding battery life 3 6316 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5864 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5517 February 05, 2011
by BobaMosfet
High voltage lines 26 7719 February 02, 2011
by mongo
USB 3 4515 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5602 February 02, 2011
by Jalex
Alternating LED circuit 4 5475 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6818 January 31, 2011
by il1019
Affordable oscilloscopes 43 15248 January 27, 2011
by BStory
"And"gate unfinished thought 2 4677 January 27, 2011
by Hexorg
replace MCU? 30 9802 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5256 January 25, 2011
by Ralphxyz
Multimeter! 12 7532 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6176 January 25, 2011
by Jalex
My LED Cube so far 25 10962 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5965 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5401 January 18, 2011
by dgikuljot
Counting 5 4641 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9288 January 17, 2011
by bretm
Programming 5 5512 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5693 January 11, 2011
by Yourself
Begining 7 5776 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6157 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5482 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4802 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5348 January 06, 2011
by Mujda
Data input voltage 6 5342 January 03, 2011
by Rick_S
MOSFET Question 7 5513 December 31, 2010
by Keyster
Transistor as a switch 5 5534 December 29, 2010
by Hexorg
Resistors 5 5896 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10846 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5753 December 28, 2010
by BobaMosfet
Relay ratings 2 5052 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20421 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4890 December 17, 2010
by mongo
Power Rectifier 7 7194 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7534 December 14, 2010
by danuke
This a decent oscilloscope? 8 5296 December 14, 2010
by danuke
Do resistors in series really add up? 8 6728 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6121 December 09, 2010
by bretm
L293 H-Bridge 15 6811 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 7038 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7216 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6097 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6622 November 24, 2010
by BobaMosfet
Op-amp not working 6 6891 November 24, 2010
by BobaMosfet
Python questions 4 5843 November 21, 2010
by tkopriva
CE Amp design 5 5409 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5286 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5148 November 05, 2010
by Mujda
PC4 not working?! 8 5012 November 04, 2010
by hapshetsut
Amplifiers 4 4956 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5832 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5926 October 04, 2010
by Scythium
radio interference from NerdKit 11 5048 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9666 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5524 September 11, 2010
by akajester
QFP and dreadboard 2 5416 September 02, 2010
by bretm
Getting power to the spinning part... 5 5265 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13248 August 30, 2010
by Ralphxyz
morse code decoder 2 5381 August 26, 2010
by jonathan_m
Connecting to Computer 3 5361 August 25, 2010
by awesome
555 astable on breadboard 12 6876 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4990 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5483 August 19, 2010
by hevans
mosfet 3 4750 August 13, 2010
by hevans
Good material on learning electronics. 8 5763 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4636 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7392 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6580 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 10005 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 7051 July 02, 2010
by mongo
Electro Cardio Gram 4 5949 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4691 June 12, 2010
by Wobbler
Voltage Regulator 20 6425 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5974 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6641 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6273 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5477 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4708 June 06, 2010
by Kafke
TSSOP IC! 4 5481 June 03, 2010
by mrobbins
AVcc 2 5708 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4926 May 31, 2010
by hevans
Cable Driver 2 4600 May 31, 2010
by mongo
Best 9V adapter to use 2 5033 May 28, 2010
by mongo
Unidirectional microphones 5 5265 May 27, 2010
by mongo
Servo question 3 4770 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5442 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5296 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6968 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11971 May 21, 2010
by hevans
Chinese Solenoid 15 5287 May 10, 2010
by treymd
avrisp mkii circuit 4 6469 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4818 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10214 May 07, 2010
by rajabalu21
Simple Power Switch 6 4906 May 05, 2010
by avicell
I can haz speed! 3 5261 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6781 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5616 April 21, 2010
by bretm
Help with choosing the right resistor 10 6709 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11499 April 15, 2010
by bretm
Resistor 4 4627 April 15, 2010
by mongo
MCU digital input pins 3 4823 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5119 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10994 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 7054 March 28, 2010
by carlhako
Laptop ground safety question 3 5123 March 27, 2010
by ese
LM34 R-C Damper 5 6725 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5428 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4729 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6746 March 23, 2010
by ese
constant system reset 3 4627 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5401 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6489 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5723 March 17, 2010
by Frozenlock
What is -VS? 6 8807 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6535 March 04, 2010
by treymd
Using MCU to connect two wires 3 5619 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10458 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 5057 March 02, 2010
by Solorbob
Deciphering power resistors 11 5453 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4822 March 01, 2010
by nrotstan
Understanding LEDs 16 8056 March 01, 2010
by michaeldallas
What's the part I need? 5 4935 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11988 February 23, 2010
by rajabalu21
Too much power? 14 5687 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6344 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6307 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13857 February 18, 2010
by Rick_S
Serial port interface circuit 2 5838 February 17, 2010
by mongo
OBDII project 3 4893 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8511 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7673 February 13, 2010
by BobaMosfet
Digital pots 5 5123 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5452 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6335 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7743 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7894 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5687 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7495 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11393 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 6088 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5278 December 27, 2009
by jgauthier
Servo Signal Noise 2 4841 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8224 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11697 December 10, 2009
by georgio
Relays and transistors 12 9670 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9727 December 09, 2009
by Rick_S
IR Detector 7 9286 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5887 November 19, 2009
by mikedoug
Debug with lcd 6 5852 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5310 November 15, 2009
by tech20
Understanding output pin characteristics 4 5230 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7240 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5513 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49409 October 30, 2009
by BobaMosfet
DIY header unit 2 5683 October 10, 2009
by rusirius
Thermostat Logging 6 7354 October 09, 2009
by luke
Understanding transistors 6 7015 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 11007 October 07, 2009
by mikedoug
Currant booster 3 4841 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5813 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13881 August 27, 2009
by hevans
Which LED? 14 5590 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6632 August 07, 2009
by mongo
pull up, pull down resistors 7 18051 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 12067 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7882 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7273 July 07, 2009
by sector0
Reset switch for circuit 3 5496 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32145 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6634 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5390 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5555 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 6015 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5366 May 06, 2009
by paulip

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