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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 5697 July 27, 2019
by BobaMosfet
mosfet control during start up 5 6826 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 5611 April 12, 2016
by Ralphxyz
USBasp Help! 3 4510 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 6514 May 04, 2015
by mongo
Need to replace Wall Watt 16 3959 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 3793 April 10, 2015
by Noter
My new 3D Printer 44 19196 April 07, 2015
by Rick_S
AtMega 644 2 3945 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 3094 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 3538 June 02, 2014
by JKITSON
Automated programming mode? 9 3934 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 3560 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 3426 January 28, 2014
by lailai
What kind of error is this? 4 3469 January 23, 2014
by Noter
How to double a DC voltage? 20 10285 January 12, 2014
by JKITSON
Is the code the driver? 2 3156 January 12, 2014
by Ralphxyz
Miniature headers 6 3571 January 01, 2014
by Ralphxyz
BLDC 8 3527 December 23, 2013
by esoderberg
I need help finding a terminal. 17 3956 November 26, 2013
by Rick_S
GLCD SPI problems 14 7310 November 10, 2013
by andyi
Moving on... 7 3471 November 08, 2013
by Pr0ject
Power supply questions 4 4739 October 31, 2013
by sask55
OLED 4 3162 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 14151 September 22, 2013
by sask55
Opto Interrupter once again 14 7496 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 3548 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 10247 September 02, 2013
by Ralphxyz
USB cable specifications 7 4610 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 3893 August 27, 2013
by Affarram
XMEGA Breakout 8 4310 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 3148 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 3732 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 3782 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 9431 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 14085 June 18, 2013
by Noter
Two Wrongs Make it Right 3 3110 May 22, 2013
by meltbox360
accurate time for a real time clock 5 3589 April 08, 2013
by pcbolt
Using diode to drop voltage 12 63002 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3020 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 3362 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 7103 March 14, 2013
by mongo
Current vs Voltage 8 4189 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 4142 March 09, 2013
by lnino
Electric current 2 2953 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 5929 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 8242 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 7330 February 28, 2013
by BobaMosfet
Control electronic door opener 15 3991 February 24, 2013
by lnino
Relay Question 27 7110 February 19, 2013
by Noter
Rotary Encoder how to?? 21 6747 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 4355 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 4327 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 4002 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 3591 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 4104 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 3580 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 4365 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 3099 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 3158 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 3656 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 8794 November 18, 2012
by carlhako
SPI slave clock 6 3760 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 3265 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 26880 October 23, 2012
by Noter
NPN circuit connection quandry 4 3825 September 24, 2012
by edb
Simple I/O circuit 4 3458 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 3250 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 2930 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 5341 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 3491 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 5716 September 13, 2012
by dan_engbers
Electronics simulation 8 4093 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 6023 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 3386 August 20, 2012
by rblalock
louder sound 2 3177 August 18, 2012
by mongo
connector or cable for LCD display? 4 3342 August 13, 2012
by missle3944
Powering L.E.Ds 5 3447 August 09, 2012
by BobaMosfet
Wires in U.K 5 3989 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 3865 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 6417 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 6405 July 25, 2012
by bretm
Stepper Motor Direction Control 12 4197 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 21472 July 21, 2012
by lnino
um help 6 3189 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4002 July 18, 2012
by Ralphxyz
help me 11 3786 July 03, 2012
by Rick_S
Crystal Oscillator question 2 3281 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 4485 June 24, 2012
by Ralphxyz
HELP 3 3050 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 13610 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 3206 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 4973 June 17, 2012
by RogerFL
Programmable current source 6 4732 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 4601 June 11, 2012
by mongo
HELP 6 3373 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 3577 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 47195 May 24, 2012
by Ralphxyz
i need a code 8 3775 May 15, 2012
by pcbolt
Clock Accuracy 30 8239 May 14, 2012
by HexManiac
Relays and Controlling them 9 3674 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4013 May 09, 2012
by RogerFL
Powering your NerdKit 7 3624 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 3552 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 6664 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4051 April 24, 2012
by pcbolt
Programs will not run 6 3445 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 4074 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 3822 April 09, 2012
by Ralphxyz
Path Lights controller 2 3321 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 3449 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 3950 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 3633 April 01, 2012
by JamesFysh
Question on LCD screen 5 3538 March 30, 2012
by billtaichi
Is this Capaciator Good 4 3527 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 4741 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 4342 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 8011 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 3698 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 4560 March 15, 2012
by mongo
Digital servo issues! 9 4100 March 15, 2012
by Rick_S
Brushless motor control 16 4458 March 12, 2012
by hevans
Windows not detecting device 3 3345 March 10, 2012
by hevans
Voltage throught MCU 5 3296 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 18520 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 10540 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 18177 March 01, 2012
by hevans
Up and running... 3 3075 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 3668 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 3995 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 3333 February 24, 2012
by Rick_S
programming lcd trubs 7 3404 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 4066 February 18, 2012
by Rick_S
Oscilloscope 15 5215 February 18, 2012
by Osarus
How far away can a LM34 be? 16 9397 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 4595 February 14, 2012
by Ralphxyz
It's true, we forget... 18 3735 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 9446 February 09, 2012
by mongo
Data transmission 3 4320 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 4084 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 5513 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 3516 February 03, 2012
by BobaMosfet
connencting two ics to port 3 3167 January 31, 2012
by tchilzer2
H bridge questions 6 3854 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 3671 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 3937 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 4211 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 7156 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 3943 January 15, 2012
by Rick_S
Source of power? 19 3945 January 13, 2012
by mongo
symbol defined please? 4 3851 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 16602 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 3602 January 06, 2012
by boxvic
Basic LED circuit properties 8 3898 January 06, 2012
by boxvic
Getting Started 3 3437 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 4566 January 02, 2012
by bodangly
SMD reflow 16 4564 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 3622 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 4320 December 23, 2011
by BobaMosfet
Potentiometer 8 4818 December 23, 2011
by huzbum
Fun with Op-Amps 3 5349 December 22, 2011
by treymd
Do I need an H-Bridge? 14 4490 December 19, 2011
by n1cl3
Odessy of the minds 5 3847 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 3252 November 27, 2011
by sazD
Initial Load 2 3872 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 4322 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 5239 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 3906 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 8756 November 10, 2011
by jfbrink
Servo Squitter Project 13 3660 November 09, 2011
by Heed
how do i run a program 4 3246 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 3453 November 07, 2011
by Heed
Motor control question 2 3380 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 8507 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 3515 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 3520 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 91539 October 24, 2011
by glendon
Measuring Capacitance 9 4932 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 3654 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 5227 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 20121 October 16, 2011
by sask55
RxD / TxD Questions 10 6442 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 3699 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 3563 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 3782 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 3399 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 11851 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5014 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 23036 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 11380 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 3241 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 6765 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 12322 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 7823 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 4397 September 01, 2011
by BobaMosfet
Dim LED 3 3270 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 3762 August 23, 2011
by Twarter369
Easy Transistor Question 4 4319 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 5950 August 18, 2011
by Ralphxyz
Building a coil?? 12 5964 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 3689 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 3359 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 3123 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 3124 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 22618 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 4475 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 3823 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 3558 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 3561 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 6276 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 3258 July 17, 2011
by codenamejupiterx
avr macpack 3 3624 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 3533 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 3613 July 13, 2011
by BobaMosfet
Battery clip wires 3 3233 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3111 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 3383 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 3606 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 3961 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 22908 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 3541 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 3792 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 5642 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 3777 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 3847 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 3838 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 4074 June 06, 2011
by mja
A couple of questions 3 3412 June 06, 2011
by Ralphxyz
How much should I strip? 3 3545 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 3933 June 01, 2011
by hevans
Motor Control/MCU power bus 5 3413 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 3720 May 29, 2011
by Rick_S
Digital Input Question 4 3521 May 28, 2011
by frankdwest
PCB arrived 20 3453 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 4060 May 24, 2011
by gcharris
Calculating bypass capacitor 6 22168 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 4049 May 09, 2011
by Noter
IR current 6 3761 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 4523 May 04, 2011
by hariharan
Heat sensors 21 4738 May 04, 2011
by Hexorg
error 1 2 3307 May 02, 2011
by hevans
Transistor vs mosfet 13 11316 May 01, 2011
by Noter
PCB trace width calculator 3 4862 April 24, 2011
by esoderberg
OLED display 10 4557 April 23, 2011
by Rick_S
Power Supplies 17 5160 April 22, 2011
by BobBolinger
LCD & battery&USB 4 3386 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 3921 April 21, 2011
by Rick_S
ADC Theremin Help... 1 3298 April 20, 2011
by jasongillikin
RF and oscoliscope 2 4300 April 19, 2011
by mongo
Connecting to external control voltages 4 3492 April 19, 2011
by bretm
IR current question 7 3558 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 4260 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 4475 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 3806 April 10, 2011
by uml_12
Basic projects 3 3462 April 09, 2011
by mongo
REFLOW oven 22 6276 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 12957 April 07, 2011
by bretm
unexpected MCU rebooting 82 8283 April 05, 2011
by sask55
REFLOW Soldering 3 4243 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 3736 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 5992 March 30, 2011
by bretm
Black Display on LCD 6 3754 March 28, 2011
by Druidman
32kHz clock 2 3459 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 10274 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 10261 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 5496 March 16, 2011
by mongo
LCD problem 3 3833 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 4352 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 4523 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 3536 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 6880 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 4448 February 26, 2011
by amartinez
Why does my led light without the battery? 2 4387 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 11347 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 7675 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 4988 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 8328 February 19, 2011
by Lusitania
My first Impression 6 3755 February 16, 2011
by devinsbusiness
Understanding battery life 3 5041 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 4773 February 13, 2011
by sask55
Using Devices With Different Voltages 11 4364 February 05, 2011
by BobaMosfet
High voltage lines 26 6332 February 02, 2011
by mongo
USB 3 3513 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 4434 February 02, 2011
by Jalex
Alternating LED circuit 4 4292 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 5557 January 31, 2011
by il1019
Affordable oscilloscopes 43 13303 January 27, 2011
by BStory
"And"gate unfinished thought 2 3404 January 27, 2011
by Hexorg
replace MCU? 30 8363 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 4137 January 25, 2011
by Ralphxyz
Multimeter! 12 6335 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 4969 January 25, 2011
by Jalex
My LED Cube so far 25 9752 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 4861 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 4348 January 18, 2011
by dgikuljot
Counting 5 3373 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 7943 January 17, 2011
by bretm
Programming 5 4197 January 14, 2011
by Ralphxyz
Induction loop actuator 7 4523 January 11, 2011
by Yourself
Begining 7 4613 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 5013 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 4394 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 3633 January 09, 2011
by mrobbins
UART operating at 3.3V 1 4068 January 06, 2011
by Mujda
Data input voltage 6 4261 January 03, 2011
by Rick_S
MOSFET Question 7 4287 December 31, 2010
by Keyster
Transistor as a switch 5 4225 December 29, 2010
by Hexorg
Resistors 5 4678 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 9409 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 4554 December 28, 2010
by BobaMosfet
Relay ratings 2 3969 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 18854 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 3662 December 17, 2010
by mongo
Power Rectifier 7 4196 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 6202 December 14, 2010
by danuke
This a decent oscilloscope? 8 4194 December 14, 2010
by danuke
Do resistors in series really add up? 8 5392 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 4961 December 09, 2010
by bretm
L293 H-Bridge 15 5514 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 5764 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 5699 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 4833 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 5418 November 24, 2010
by BobaMosfet
Op-amp not working 6 5681 November 24, 2010
by BobaMosfet
Python questions 4 4747 November 21, 2010
by tkopriva
CE Amp design 5 4235 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 4144 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 3994 November 05, 2010
by Mujda
PC4 not working?! 8 3664 November 04, 2010
by hapshetsut
Amplifiers 4 3893 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 4728 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 4757 October 04, 2010
by Scythium
radio interference from NerdKit 11 3792 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 8506 September 14, 2010
by Ralphxyz
solar project with light sensors 7 4329 September 11, 2010
by akajester
QFP and dreadboard 2 4177 September 02, 2010
by bretm
Getting power to the spinning part... 5 4234 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 11739 August 30, 2010
by Ralphxyz
morse code decoder 2 4379 August 26, 2010
by jonathan_m
Connecting to Computer 3 4265 August 25, 2010
by awesome
555 astable on breadboard 12 5784 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 3885 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 4360 August 19, 2010
by hevans
mosfet 3 3704 August 13, 2010
by hevans
Good material on learning electronics. 8 4665 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 3568 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 6001 August 02, 2010
by mrobbins
More batteries = more voltage? 3 5379 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 8551 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 5770 July 02, 2010
by mongo
Electro Cardio Gram 4 4643 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 3651 June 12, 2010
by Wobbler
Voltage Regulator 20 5161 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 4867 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 5508 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 5191 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 4305 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 3600 June 06, 2010
by Kafke
TSSOP IC! 4 4350 June 03, 2010
by mrobbins
AVcc 2 4584 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 3746 May 31, 2010
by hevans
Cable Driver 2 3536 May 31, 2010
by mongo
Best 9V adapter to use 2 3881 May 28, 2010
by mongo
Unidirectional microphones 5 4216 May 27, 2010
by mongo
Servo question 3 3728 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 4297 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 4225 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 5753 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 9963 May 21, 2010
by hevans
Chinese Solenoid 15 4132 May 10, 2010
by treymd
avrisp mkii circuit 4 5379 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 3747 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 8727 May 07, 2010
by rajabalu21
Simple Power Switch 6 3878 May 05, 2010
by avicell
I can haz speed! 3 4180 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 5611 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 4503 April 21, 2010
by bretm
Help with choosing the right resistor 10 5513 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 9762 April 15, 2010
by bretm
Resistor 4 3522 April 15, 2010
by mongo
MCU digital input pins 3 3725 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 3934 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 9833 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6016 March 28, 2010
by carlhako
Laptop ground safety question 3 4068 March 27, 2010
by ese
LM34 R-C Damper 5 5547 March 24, 2010
by BobaMosfet
NerdKits & USB 5 4357 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 3652 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 5635 March 23, 2010
by ese
constant system reset 3 3534 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 4255 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 5157 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 4664 March 17, 2010
by Frozenlock
What is -VS? 6 7292 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 5518 March 04, 2010
by treymd
Using MCU to connect two wires 3 4432 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 8806 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 3925 March 02, 2010
by Solorbob
Deciphering power resistors 11 4287 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 3686 March 01, 2010
by nrotstan
Understanding LEDs 16 6652 March 01, 2010
by michaeldallas
What's the part I need? 5 3802 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 10675 February 23, 2010
by rajabalu21
Too much power? 14 4598 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 5173 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 4962 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 12216 February 18, 2010
by Rick_S
Serial port interface circuit 2 4758 February 17, 2010
by mongo
OBDII project 3 3827 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 7137 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 6324 February 13, 2010
by BobaMosfet
Digital pots 5 4098 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 4228 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 5244 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 5782 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 6610 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 4551 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 6242 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 9797 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 4997 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 4203 December 27, 2009
by jgauthier
Servo Signal Noise 2 3686 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 6959 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 10466 December 10, 2009
by georgio
Relays and transistors 12 8425 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 8422 December 09, 2009
by Rick_S
IR Detector 7 7646 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 4772 November 19, 2009
by mikedoug
Debug with lcd 6 4757 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 4316 November 15, 2009
by tech20
Understanding output pin characteristics 4 4071 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 5925 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 4314 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 46667 October 30, 2009
by BobaMosfet
DIY header unit 2 4613 October 10, 2009
by rusirius
Thermostat Logging 6 6068 October 09, 2009
by luke
Understanding transistors 6 5913 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 9695 October 07, 2009
by mikedoug
Currant booster 3 3707 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 4808 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 12301 August 27, 2009
by hevans
Which LED? 14 4483 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 5374 August 07, 2009
by mongo
pull up, pull down resistors 7 16802 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 10523 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 6486 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 6067 July 07, 2009
by sector0
Reset switch for circuit 3 4354 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 30923 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 5426 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 4317 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 4425 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 4987 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 4243 May 06, 2009
by paulip

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