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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8599 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8039 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6792 April 12, 2016
by Ralphxyz
USBasp Help! 3 5698 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 7902 May 04, 2015
by mongo
Need to replace Wall Watt 16 5206 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4884 April 10, 2015
by Noter
My new 3D Printer 44 20440 April 07, 2015
by Rick_S
AtMega 644 2 4970 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4019 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4635 June 02, 2014
by JKITSON
Automated programming mode? 9 4934 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4530 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4513 January 28, 2014
by lailai
What kind of error is this? 4 4391 January 23, 2014
by Noter
How to double a DC voltage? 20 11716 January 12, 2014
by JKITSON
Is the code the driver? 2 4208 January 12, 2014
by Ralphxyz
Miniature headers 6 4492 January 01, 2014
by Ralphxyz
BLDC 8 4533 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5096 November 26, 2013
by Rick_S
GLCD SPI problems 14 8387 November 10, 2013
by andyi
Moving on... 7 4365 November 08, 2013
by Pr0ject
Power supply questions 4 5865 October 31, 2013
by sask55
OLED 4 4103 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 15999 September 22, 2013
by sask55
Opto Interrupter once again 14 8731 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4555 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11462 September 02, 2013
by Ralphxyz
USB cable specifications 7 5955 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 4989 August 27, 2013
by Affarram
XMEGA Breakout 8 5382 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4099 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4769 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4801 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 10979 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15615 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4082 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4702 April 08, 2013
by pcbolt
Using diode to drop voltage 12 65857 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3911 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4409 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8566 March 14, 2013
by mongo
Current vs Voltage 8 5496 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5120 March 09, 2013
by lnino
Electric current 2 3899 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6841 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9512 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 8931 February 28, 2013
by BobaMosfet
Control electronic door opener 15 4946 February 24, 2013
by lnino
Relay Question 27 8188 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7854 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5375 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5284 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5025 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4629 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5239 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4586 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5444 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 3972 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4061 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4549 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 9935 November 18, 2012
by carlhako
SPI slave clock 6 4746 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4157 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 30708 October 23, 2012
by Noter
NPN circuit connection quandry 4 4725 September 24, 2012
by edb
Simple I/O circuit 4 4378 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4169 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3828 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6573 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4389 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6749 September 13, 2012
by dan_engbers
Electronics simulation 8 5031 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7129 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4289 August 20, 2012
by rblalock
louder sound 2 4064 August 18, 2012
by mongo
connector or cable for LCD display? 4 4287 August 13, 2012
by missle3944
Powering L.E.Ds 5 4405 August 09, 2012
by BobaMosfet
Wires in U.K 5 4881 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4785 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7715 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7422 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5191 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22685 July 21, 2012
by lnino
um help 6 3873 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4906 July 18, 2012
by Ralphxyz
help me 11 4764 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4170 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5442 June 24, 2012
by Ralphxyz
HELP 3 3922 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14815 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4032 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5952 June 17, 2012
by RogerFL
Programmable current source 6 5893 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5538 June 11, 2012
by mongo
HELP 6 4241 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4615 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 50306 May 24, 2012
by Ralphxyz
i need a code 8 4641 May 15, 2012
by pcbolt
Clock Accuracy 30 9291 May 14, 2012
by HexManiac
Relays and Controlling them 9 4607 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4883 May 09, 2012
by RogerFL
Powering your NerdKit 7 4461 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4488 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7682 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4909 April 24, 2012
by pcbolt
Programs will not run 6 4376 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 4997 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4679 April 09, 2012
by Ralphxyz
Path Lights controller 2 4238 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4364 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4871 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4462 April 01, 2012
by JamesFysh
Question on LCD screen 5 4472 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4415 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5701 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5336 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9035 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4549 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5698 March 15, 2012
by mongo
Digital servo issues! 9 5053 March 15, 2012
by Rick_S
Brushless motor control 16 5403 March 12, 2012
by hevans
Windows not detecting device 3 4202 March 10, 2012
by hevans
Voltage throught MCU 5 4217 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 19981 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11746 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 20858 March 01, 2012
by hevans
Up and running... 3 4002 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4668 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5022 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4242 February 24, 2012
by Rick_S
programming lcd trubs 7 4303 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5029 February 18, 2012
by Rick_S
Oscilloscope 15 6298 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10747 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5461 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4645 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11179 February 09, 2012
by mongo
Data transmission 3 5213 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5010 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6575 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4498 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4066 January 31, 2012
by tchilzer2
H bridge questions 6 4838 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4574 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 4972 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5183 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8308 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4850 January 15, 2012
by Rick_S
Source of power? 19 4970 January 13, 2012
by mongo
symbol defined please? 4 4697 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 17853 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4587 January 06, 2012
by boxvic
Basic LED circuit properties 8 4806 January 06, 2012
by boxvic
Getting Started 3 4292 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5476 January 02, 2012
by bodangly
SMD reflow 16 5569 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4540 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5222 December 23, 2011
by BobaMosfet
Potentiometer 8 6113 December 23, 2011
by huzbum
Fun with Op-Amps 3 6383 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5454 December 19, 2011
by n1cl3
Odessy of the minds 5 4740 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4110 November 27, 2011
by sazD
Initial Load 2 4776 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5462 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6156 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4828 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 9937 November 10, 2011
by jfbrink
Servo Squitter Project 13 4564 November 09, 2011
by Heed
how do i run a program 4 4155 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4402 November 07, 2011
by Heed
Motor control question 2 4201 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9783 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4443 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4337 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 96076 October 24, 2011
by glendon
Measuring Capacitance 9 5862 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4493 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6222 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 22679 October 16, 2011
by sask55
RxD / TxD Questions 10 7635 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4572 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4469 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4754 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4269 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13471 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5926 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24325 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 12953 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4202 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7745 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13677 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8856 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5307 September 01, 2011
by BobaMosfet
Dim LED 3 4139 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4667 August 23, 2011
by Twarter369
Easy Transistor Question 4 5290 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7014 August 18, 2011
by Ralphxyz
Building a coil?? 12 7047 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4576 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4223 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4050 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4001 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24014 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5324 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4736 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4445 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4486 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7257 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4136 July 17, 2011
by codenamejupiterx
avr macpack 3 4518 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4487 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4568 July 13, 2011
by BobaMosfet
Battery clip wires 3 4087 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3947 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4246 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4481 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4878 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25154 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4457 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4684 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6764 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4720 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4740 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4658 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5193 June 06, 2011
by mja
A couple of questions 3 4366 June 06, 2011
by Ralphxyz
How much should I strip? 3 4430 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4919 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4298 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4635 May 29, 2011
by Rick_S
Digital Input Question 4 4378 May 28, 2011
by frankdwest
PCB arrived 20 4371 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5018 May 24, 2011
by gcharris
Calculating bypass capacitor 6 23906 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 4964 May 09, 2011
by Noter
IR current 6 4678 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5383 May 04, 2011
by hariharan
Heat sensors 21 5749 May 04, 2011
by Hexorg
error 1 2 4210 May 02, 2011
by hevans
Transistor vs mosfet 13 12456 May 01, 2011
by Noter
PCB trace width calculator 3 5828 April 24, 2011
by esoderberg
OLED display 10 5513 April 23, 2011
by Rick_S
Power Supplies 17 6084 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4196 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4911 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4336 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5366 April 19, 2011
by mongo
Connecting to external control voltages 4 4323 April 19, 2011
by bretm
IR current question 7 4435 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5224 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5397 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4692 April 10, 2011
by uml_12
Basic projects 3 4354 April 09, 2011
by mongo
REFLOW oven 22 7296 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14538 April 07, 2011
by bretm
unexpected MCU rebooting 82 9301 April 05, 2011
by sask55
REFLOW Soldering 3 5274 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4665 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 6989 March 30, 2011
by bretm
Black Display on LCD 6 4638 March 28, 2011
by Druidman
32kHz clock 2 4281 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11424 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 11870 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6466 March 16, 2011
by mongo
LCD problem 3 4685 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5266 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5384 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4390 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8028 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5308 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5263 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12310 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 8958 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5925 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9395 February 19, 2011
by Lusitania
My first Impression 6 4776 February 16, 2011
by devinsbusiness
Understanding battery life 3 6054 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5680 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5302 February 05, 2011
by BobaMosfet
High voltage lines 26 7467 February 02, 2011
by mongo
USB 3 4350 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5390 February 02, 2011
by Jalex
Alternating LED circuit 4 5290 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6613 January 31, 2011
by il1019
Affordable oscilloscopes 43 14638 January 27, 2011
by BStory
"And"gate unfinished thought 2 4472 January 27, 2011
by Hexorg
replace MCU? 30 9490 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5037 January 25, 2011
by Ralphxyz
Multimeter! 12 7327 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 5973 January 25, 2011
by Jalex
My LED Cube so far 25 10752 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5795 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5218 January 18, 2011
by dgikuljot
Counting 5 4417 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9061 January 17, 2011
by bretm
Programming 5 5275 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5499 January 11, 2011
by Yourself
Begining 7 5571 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 5956 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5300 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4600 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5141 January 06, 2011
by Mujda
Data input voltage 6 5133 January 03, 2011
by Rick_S
MOSFET Question 7 5289 December 31, 2010
by Keyster
Transistor as a switch 5 5318 December 29, 2010
by Hexorg
Resistors 5 5673 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10544 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5528 December 28, 2010
by BobaMosfet
Relay ratings 2 4861 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20148 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4705 December 17, 2010
by mongo
Power Rectifier 7 6036 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7270 December 14, 2010
by danuke
This a decent oscilloscope? 8 5100 December 14, 2010
by danuke
Do resistors in series really add up? 8 6486 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5907 December 09, 2010
by bretm
L293 H-Bridge 15 6584 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6780 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 6956 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5887 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6387 November 24, 2010
by BobaMosfet
Op-amp not working 6 6693 November 24, 2010
by BobaMosfet
Python questions 4 5661 November 21, 2010
by tkopriva
CE Amp design 5 5161 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5100 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4939 November 05, 2010
by Mujda
PC4 not working?! 8 4796 November 04, 2010
by hapshetsut
Amplifiers 4 4776 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5627 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5719 October 04, 2010
by Scythium
radio interference from NerdKit 11 4816 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9458 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5330 September 11, 2010
by akajester
QFP and dreadboard 2 5224 September 02, 2010
by bretm
Getting power to the spinning part... 5 5102 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 12987 August 30, 2010
by Ralphxyz
morse code decoder 2 5214 August 26, 2010
by jonathan_m
Connecting to Computer 3 5178 August 25, 2010
by awesome
555 astable on breadboard 12 6698 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4797 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5316 August 19, 2010
by hevans
mosfet 3 4577 August 13, 2010
by hevans
Good material on learning electronics. 8 5567 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4455 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7096 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6388 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9687 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6862 July 02, 2010
by mongo
Electro Cardio Gram 4 5707 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4514 June 12, 2010
by Wobbler
Voltage Regulator 20 6221 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5765 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6423 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6094 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5281 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4521 June 06, 2010
by Kafke
TSSOP IC! 4 5290 June 03, 2010
by mrobbins
AVcc 2 5531 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4734 May 31, 2010
by hevans
Cable Driver 2 4407 May 31, 2010
by mongo
Best 9V adapter to use 2 4849 May 28, 2010
by mongo
Unidirectional microphones 5 5085 May 27, 2010
by mongo
Servo question 3 4565 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5267 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5106 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6773 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11617 May 21, 2010
by hevans
Chinese Solenoid 15 5056 May 10, 2010
by treymd
avrisp mkii circuit 4 6304 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4634 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 9908 May 07, 2010
by rajabalu21
Simple Power Switch 6 4732 May 05, 2010
by avicell
I can haz speed! 3 5072 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6570 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5411 April 21, 2010
by bretm
Help with choosing the right resistor 10 6515 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11100 April 15, 2010
by bretm
Resistor 4 4436 April 15, 2010
by mongo
MCU digital input pins 3 4620 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4925 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10796 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6877 March 28, 2010
by carlhako
Laptop ground safety question 3 4954 March 27, 2010
by ese
LM34 R-C Damper 5 6532 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5246 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4512 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6564 March 23, 2010
by ese
constant system reset 3 4440 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5213 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6260 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5552 March 17, 2010
by Frozenlock
What is -VS? 6 8598 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6372 March 04, 2010
by treymd
Using MCU to connect two wires 3 5444 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10044 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4869 March 02, 2010
by Solorbob
Deciphering power resistors 11 5238 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4637 March 01, 2010
by nrotstan
Understanding LEDs 16 7784 March 01, 2010
by michaeldallas
What's the part I need? 5 4752 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11764 February 23, 2010
by rajabalu21
Too much power? 14 5484 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6163 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6086 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13494 February 18, 2010
by Rick_S
Serial port interface circuit 2 5647 February 17, 2010
by mongo
OBDII project 3 4718 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8249 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7438 February 13, 2010
by BobaMosfet
Digital pots 5 4955 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5254 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6092 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7493 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7663 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5528 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7236 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11037 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5861 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5107 December 27, 2009
by jgauthier
Servo Signal Noise 2 4671 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8002 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11450 December 10, 2009
by georgio
Relays and transistors 12 9463 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9510 December 09, 2009
by Rick_S
IR Detector 7 8974 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5706 November 19, 2009
by mikedoug
Debug with lcd 6 5659 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5151 November 15, 2009
by tech20
Understanding output pin characteristics 4 5025 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 6963 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5295 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 48750 October 30, 2009
by BobaMosfet
DIY header unit 2 5510 October 10, 2009
by rusirius
Thermostat Logging 6 7129 October 09, 2009
by luke
Understanding transistors 6 6837 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10795 October 07, 2009
by mikedoug
Currant booster 3 4656 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5644 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13618 August 27, 2009
by hevans
Which LED? 14 5392 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6417 August 07, 2009
by mongo
pull up, pull down resistors 7 17818 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11736 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7668 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7065 July 07, 2009
by sector0
Reset switch for circuit 3 5319 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31941 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6429 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5204 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5338 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5836 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5173 May 06, 2009
by paulip

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