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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8594 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8037 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6789 April 12, 2016
by Ralphxyz
USBasp Help! 3 5694 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 7897 May 04, 2015
by mongo
Need to replace Wall Watt 16 5203 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4882 April 10, 2015
by Noter
My new 3D Printer 44 20438 April 07, 2015
by Rick_S
AtMega 644 2 4965 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4016 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4631 June 02, 2014
by JKITSON
Automated programming mode? 9 4932 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4527 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4510 January 28, 2014
by lailai
What kind of error is this? 4 4388 January 23, 2014
by Noter
How to double a DC voltage? 20 11714 January 12, 2014
by JKITSON
Is the code the driver? 2 4206 January 12, 2014
by Ralphxyz
Miniature headers 6 4490 January 01, 2014
by Ralphxyz
BLDC 8 4531 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5092 November 26, 2013
by Rick_S
GLCD SPI problems 14 8384 November 10, 2013
by andyi
Moving on... 7 4363 November 08, 2013
by Pr0ject
Power supply questions 4 5862 October 31, 2013
by sask55
OLED 4 4101 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 15996 September 22, 2013
by sask55
Opto Interrupter once again 14 8727 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4552 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11460 September 02, 2013
by Ralphxyz
USB cable specifications 7 5949 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 4987 August 27, 2013
by Affarram
XMEGA Breakout 8 5379 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4096 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4765 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4798 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 10976 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15610 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4080 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4700 April 08, 2013
by pcbolt
Using diode to drop voltage 12 65849 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3908 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4407 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8564 March 14, 2013
by mongo
Current vs Voltage 8 5494 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5118 March 09, 2013
by lnino
Electric current 2 3896 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6838 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9509 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 8928 February 28, 2013
by BobaMosfet
Control electronic door opener 15 4943 February 24, 2013
by lnino
Relay Question 27 8185 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7852 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5373 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5282 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5023 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4626 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5235 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4583 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5439 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 3969 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4058 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4545 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 9932 November 18, 2012
by carlhako
SPI slave clock 6 4743 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4155 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 30702 October 23, 2012
by Noter
NPN circuit connection quandry 4 4723 September 24, 2012
by edb
Simple I/O circuit 4 4375 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4165 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3826 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6570 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4387 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6746 September 13, 2012
by dan_engbers
Electronics simulation 8 5028 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7127 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4287 August 20, 2012
by rblalock
louder sound 2 4061 August 18, 2012
by mongo
connector or cable for LCD display? 4 4284 August 13, 2012
by missle3944
Powering L.E.Ds 5 4402 August 09, 2012
by BobaMosfet
Wires in U.K 5 4879 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4782 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7713 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7418 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5188 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22683 July 21, 2012
by lnino
um help 6 3871 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4902 July 18, 2012
by Ralphxyz
help me 11 4761 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4168 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5439 June 24, 2012
by Ralphxyz
HELP 3 3919 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14813 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4030 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5949 June 17, 2012
by RogerFL
Programmable current source 6 5889 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5534 June 11, 2012
by mongo
HELP 6 4239 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4612 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 50302 May 24, 2012
by Ralphxyz
i need a code 8 4639 May 15, 2012
by pcbolt
Clock Accuracy 30 9288 May 14, 2012
by HexManiac
Relays and Controlling them 9 4604 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4880 May 09, 2012
by RogerFL
Powering your NerdKit 7 4458 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4486 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7678 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4907 April 24, 2012
by pcbolt
Programs will not run 6 4374 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 4995 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4677 April 09, 2012
by Ralphxyz
Path Lights controller 2 4236 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4362 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4867 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4460 April 01, 2012
by JamesFysh
Question on LCD screen 5 4469 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4413 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5697 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5333 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9033 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4546 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5696 March 15, 2012
by mongo
Digital servo issues! 9 5049 March 15, 2012
by Rick_S
Brushless motor control 16 5401 March 12, 2012
by hevans
Windows not detecting device 3 4199 March 10, 2012
by hevans
Voltage throught MCU 5 4214 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 19977 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11743 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 20853 March 01, 2012
by hevans
Up and running... 3 4000 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4665 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5020 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4240 February 24, 2012
by Rick_S
programming lcd trubs 7 4300 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5027 February 18, 2012
by Rick_S
Oscilloscope 15 6296 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10743 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5458 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4642 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11174 February 09, 2012
by mongo
Data transmission 3 5211 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5008 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6573 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4496 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4064 January 31, 2012
by tchilzer2
H bridge questions 6 4836 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4571 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 4968 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5181 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8305 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4848 January 15, 2012
by Rick_S
Source of power? 19 4968 January 13, 2012
by mongo
symbol defined please? 4 4695 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 17850 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4585 January 06, 2012
by boxvic
Basic LED circuit properties 8 4804 January 06, 2012
by boxvic
Getting Started 3 4290 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5474 January 02, 2012
by bodangly
SMD reflow 16 5567 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4538 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5220 December 23, 2011
by BobaMosfet
Potentiometer 8 6108 December 23, 2011
by huzbum
Fun with Op-Amps 3 6381 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5449 December 19, 2011
by n1cl3
Odessy of the minds 5 4738 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4108 November 27, 2011
by sazD
Initial Load 2 4774 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5459 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6153 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4825 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 9933 November 10, 2011
by jfbrink
Servo Squitter Project 13 4561 November 09, 2011
by Heed
how do i run a program 4 4153 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4400 November 07, 2011
by Heed
Motor control question 2 4199 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9779 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4441 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4334 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 96074 October 24, 2011
by glendon
Measuring Capacitance 9 5859 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4491 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6220 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 22675 October 16, 2011
by sask55
RxD / TxD Questions 10 7630 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4570 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4466 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4750 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4267 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13468 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5924 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24319 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 12949 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4199 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7743 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13671 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8854 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5304 September 01, 2011
by BobaMosfet
Dim LED 3 4136 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4665 August 23, 2011
by Twarter369
Easy Transistor Question 4 5286 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7012 August 18, 2011
by Ralphxyz
Building a coil?? 12 7045 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4574 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4221 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4048 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 3999 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24012 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5321 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4734 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4442 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4483 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7254 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4134 July 17, 2011
by codenamejupiterx
avr macpack 3 4514 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4484 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4566 July 13, 2011
by BobaMosfet
Battery clip wires 3 4084 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3943 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4244 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4478 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4876 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25151 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4455 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4681 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6762 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4717 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4737 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4656 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5191 June 06, 2011
by mja
A couple of questions 3 4363 June 06, 2011
by Ralphxyz
How much should I strip? 3 4428 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4917 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4296 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4632 May 29, 2011
by Rick_S
Digital Input Question 4 4375 May 28, 2011
by frankdwest
PCB arrived 20 4369 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5016 May 24, 2011
by gcharris
Calculating bypass capacitor 6 23903 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 4962 May 09, 2011
by Noter
IR current 6 4675 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5379 May 04, 2011
by hariharan
Heat sensors 21 5747 May 04, 2011
by Hexorg
error 1 2 4208 May 02, 2011
by hevans
Transistor vs mosfet 13 12453 May 01, 2011
by Noter
PCB trace width calculator 3 5826 April 24, 2011
by esoderberg
OLED display 10 5511 April 23, 2011
by Rick_S
Power Supplies 17 6082 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4194 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4909 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4333 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5364 April 19, 2011
by mongo
Connecting to external control voltages 4 4320 April 19, 2011
by bretm
IR current question 7 4433 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5221 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5394 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4690 April 10, 2011
by uml_12
Basic projects 3 4352 April 09, 2011
by mongo
REFLOW oven 22 7293 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14535 April 07, 2011
by bretm
unexpected MCU rebooting 82 9299 April 05, 2011
by sask55
REFLOW Soldering 3 5271 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4663 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 6986 March 30, 2011
by bretm
Black Display on LCD 6 4636 March 28, 2011
by Druidman
32kHz clock 2 4278 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11420 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 11865 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6464 March 16, 2011
by mongo
LCD problem 3 4682 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5264 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5382 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4388 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8021 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5306 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5260 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12307 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 8956 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5923 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9392 February 19, 2011
by Lusitania
My first Impression 6 4774 February 16, 2011
by devinsbusiness
Understanding battery life 3 6052 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5677 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5300 February 05, 2011
by BobaMosfet
High voltage lines 26 7464 February 02, 2011
by mongo
USB 3 4348 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5387 February 02, 2011
by Jalex
Alternating LED circuit 4 5288 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6611 January 31, 2011
by il1019
Affordable oscilloscopes 43 14633 January 27, 2011
by BStory
"And"gate unfinished thought 2 4470 January 27, 2011
by Hexorg
replace MCU? 30 9487 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5035 January 25, 2011
by Ralphxyz
Multimeter! 12 7325 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 5971 January 25, 2011
by Jalex
My LED Cube so far 25 10750 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5792 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5216 January 18, 2011
by dgikuljot
Counting 5 4414 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9058 January 17, 2011
by bretm
Programming 5 5272 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5496 January 11, 2011
by Yourself
Begining 7 5568 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 5954 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5297 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4598 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5138 January 06, 2011
by Mujda
Data input voltage 6 5130 January 03, 2011
by Rick_S
MOSFET Question 7 5287 December 31, 2010
by Keyster
Transistor as a switch 5 5314 December 29, 2010
by Hexorg
Resistors 5 5670 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10541 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5526 December 28, 2010
by BobaMosfet
Relay ratings 2 4858 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20144 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4701 December 17, 2010
by mongo
Power Rectifier 7 6014 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7268 December 14, 2010
by danuke
This a decent oscilloscope? 8 5097 December 14, 2010
by danuke
Do resistors in series really add up? 8 6484 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5905 December 09, 2010
by bretm
L293 H-Bridge 15 6581 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6777 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 6954 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5884 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6384 November 24, 2010
by BobaMosfet
Op-amp not working 6 6687 November 24, 2010
by BobaMosfet
Python questions 4 5658 November 21, 2010
by tkopriva
CE Amp design 5 5159 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5098 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4937 November 05, 2010
by Mujda
PC4 not working?! 8 4794 November 04, 2010
by hapshetsut
Amplifiers 4 4773 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5624 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5717 October 04, 2010
by Scythium
radio interference from NerdKit 11 4814 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9454 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5328 September 11, 2010
by akajester
QFP and dreadboard 2 5222 September 02, 2010
by bretm
Getting power to the spinning part... 5 5100 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 12984 August 30, 2010
by Ralphxyz
morse code decoder 2 5212 August 26, 2010
by jonathan_m
Connecting to Computer 3 5176 August 25, 2010
by awesome
555 astable on breadboard 12 6696 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4794 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5313 August 19, 2010
by hevans
mosfet 3 4575 August 13, 2010
by hevans
Good material on learning electronics. 8 5565 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4453 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7093 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6386 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9682 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6860 July 02, 2010
by mongo
Electro Cardio Gram 4 5704 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4512 June 12, 2010
by Wobbler
Voltage Regulator 20 6219 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5763 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6421 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6092 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5278 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4518 June 06, 2010
by Kafke
TSSOP IC! 4 5288 June 03, 2010
by mrobbins
AVcc 2 5529 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4732 May 31, 2010
by hevans
Cable Driver 2 4404 May 31, 2010
by mongo
Best 9V adapter to use 2 4846 May 28, 2010
by mongo
Unidirectional microphones 5 5082 May 27, 2010
by mongo
Servo question 3 4563 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5265 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5102 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6771 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11613 May 21, 2010
by hevans
Chinese Solenoid 15 5054 May 10, 2010
by treymd
avrisp mkii circuit 4 6302 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4630 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 9906 May 07, 2010
by rajabalu21
Simple Power Switch 6 4730 May 05, 2010
by avicell
I can haz speed! 3 5069 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6568 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5409 April 21, 2010
by bretm
Help with choosing the right resistor 10 6511 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11097 April 15, 2010
by bretm
Resistor 4 4434 April 15, 2010
by mongo
MCU digital input pins 3 4618 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4923 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10793 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6874 March 28, 2010
by carlhako
Laptop ground safety question 3 4952 March 27, 2010
by ese
LM34 R-C Damper 5 6530 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5244 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4508 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6560 March 23, 2010
by ese
constant system reset 3 4438 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5210 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6258 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5550 March 17, 2010
by Frozenlock
What is -VS? 6 8596 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6368 March 04, 2010
by treymd
Using MCU to connect two wires 3 5441 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10042 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4867 March 02, 2010
by Solorbob
Deciphering power resistors 11 5235 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4634 March 01, 2010
by nrotstan
Understanding LEDs 16 7781 March 01, 2010
by michaeldallas
What's the part I need? 5 4749 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11760 February 23, 2010
by rajabalu21
Too much power? 14 5482 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6160 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6083 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13490 February 18, 2010
by Rick_S
Serial port interface circuit 2 5645 February 17, 2010
by mongo
OBDII project 3 4716 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8246 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7435 February 13, 2010
by BobaMosfet
Digital pots 5 4952 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5252 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6090 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7491 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7660 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5524 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7232 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11025 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5858 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5104 December 27, 2009
by jgauthier
Servo Signal Noise 2 4669 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 7998 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11448 December 10, 2009
by georgio
Relays and transistors 12 9459 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9506 December 09, 2009
by Rick_S
IR Detector 7 8972 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5702 November 19, 2009
by mikedoug
Debug with lcd 6 5656 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5148 November 15, 2009
by tech20
Understanding output pin characteristics 4 5022 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 6961 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5293 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 48747 October 30, 2009
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DIY header unit 2 5507 October 10, 2009
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Thermostat Logging 6 7127 October 09, 2009
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Understanding transistors 6 6835 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10793 October 07, 2009
by mikedoug
Currant booster 3 4654 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5640 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13616 August 27, 2009
by hevans
Which LED? 14 5387 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6415 August 07, 2009
by mongo
pull up, pull down resistors 7 17816 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11734 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7666 August 05, 2009
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Power MOSFET - Understanding and headaches 4 7062 July 07, 2009
by sector0
Reset switch for circuit 3 5317 June 27, 2009
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Online circuit simulator/intuition builder 2 31939 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6426 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5202 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5335 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5833 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5170 May 06, 2009
by paulip

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