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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8896 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8268 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6999 April 12, 2016
by Ralphxyz
USBasp Help! 3 5893 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8164 May 04, 2015
by mongo
Need to replace Wall Watt 16 5391 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5047 April 10, 2015
by Noter
My new 3D Printer 44 20625 April 07, 2015
by Rick_S
AtMega 644 2 5089 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4135 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4817 June 02, 2014
by JKITSON
Automated programming mode? 9 5095 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4669 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4706 January 28, 2014
by lailai
What kind of error is this? 4 4503 January 23, 2014
by Noter
How to double a DC voltage? 20 11913 January 12, 2014
by JKITSON
Is the code the driver? 2 4388 January 12, 2014
by Ralphxyz
Miniature headers 6 4605 January 01, 2014
by Ralphxyz
BLDC 8 4696 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5298 November 26, 2013
by Rick_S
GLCD SPI problems 14 8565 November 10, 2013
by andyi
Moving on... 7 4504 November 08, 2013
by Pr0ject
Power supply questions 4 6071 October 31, 2013
by sask55
OLED 4 4269 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16294 September 22, 2013
by sask55
Opto Interrupter once again 14 8959 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4681 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11706 September 02, 2013
by Ralphxyz
USB cable specifications 7 6240 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5206 August 27, 2013
by Affarram
XMEGA Breakout 8 5568 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4232 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4904 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4950 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11405 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16087 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4232 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4844 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66314 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4037 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4599 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8769 March 14, 2013
by mongo
Current vs Voltage 8 5671 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5247 March 09, 2013
by lnino
Electric current 2 4019 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6963 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9725 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9357 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5101 February 24, 2013
by lnino
Relay Question 27 8366 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8056 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5540 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5403 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5181 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4765 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5447 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4758 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5583 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4100 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4174 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4654 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10223 November 18, 2012
by carlhako
SPI slave clock 6 4895 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4277 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31217 October 23, 2012
by Noter
NPN circuit connection quandry 4 4856 September 24, 2012
by edb
Simple I/O circuit 4 4504 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4286 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4014 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6834 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4507 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6891 September 13, 2012
by dan_engbers
Electronics simulation 8 5137 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7295 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4415 August 20, 2012
by rblalock
louder sound 2 4181 August 18, 2012
by mongo
connector or cable for LCD display? 4 4401 August 13, 2012
by missle3944
Powering L.E.Ds 5 4531 August 09, 2012
by BobaMosfet
Wires in U.K 5 5000 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4911 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7921 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7572 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5369 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22907 July 21, 2012
by lnino
um help 6 3989 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5044 July 18, 2012
by Ralphxyz
help me 11 4903 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4289 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5613 June 24, 2012
by Ralphxyz
HELP 3 4043 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15033 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4149 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6078 June 17, 2012
by RogerFL
Programmable current source 6 6136 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5671 June 11, 2012
by mongo
HELP 6 4368 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4768 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52318 May 24, 2012
by Ralphxyz
i need a code 8 4774 May 15, 2012
by pcbolt
Clock Accuracy 30 9441 May 14, 2012
by HexManiac
Relays and Controlling them 9 4745 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 5012 May 09, 2012
by RogerFL
Powering your NerdKit 7 4595 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4618 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7868 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5023 April 24, 2012
by pcbolt
Programs will not run 6 4514 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5149 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4807 April 09, 2012
by Ralphxyz
Path Lights controller 2 4375 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4489 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5035 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4586 April 01, 2012
by JamesFysh
Question on LCD screen 5 4587 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4559 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5884 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5496 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9224 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4670 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5966 March 15, 2012
by mongo
Digital servo issues! 9 5199 March 15, 2012
by Rick_S
Brushless motor control 16 5544 March 12, 2012
by hevans
Windows not detecting device 3 4340 March 10, 2012
by hevans
Voltage throught MCU 5 4349 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20237 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11991 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21315 March 01, 2012
by hevans
Up and running... 3 4135 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4798 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5152 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4383 February 24, 2012
by Rick_S
programming lcd trubs 7 4499 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5171 February 18, 2012
by Rick_S
Oscilloscope 15 6449 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10971 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5593 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4778 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11588 February 09, 2012
by mongo
Data transmission 3 5336 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5140 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6715 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4636 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4178 January 31, 2012
by tchilzer2
H bridge questions 6 4971 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4719 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5136 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5339 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8464 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4999 January 15, 2012
by Rick_S
Source of power? 19 5137 January 13, 2012
by mongo
symbol defined please? 4 4813 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18199 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4717 January 06, 2012
by boxvic
Basic LED circuit properties 8 4946 January 06, 2012
by boxvic
Getting Started 3 4410 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5600 January 02, 2012
by bodangly
SMD reflow 16 5713 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4668 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5331 December 23, 2011
by BobaMosfet
Potentiometer 8 6303 December 23, 2011
by huzbum
Fun with Op-Amps 3 6544 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5623 December 19, 2011
by n1cl3
Odessy of the minds 5 4859 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4239 November 27, 2011
by sazD
Initial Load 2 4893 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5616 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6300 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4955 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10141 November 10, 2011
by jfbrink
Servo Squitter Project 13 4698 November 09, 2011
by Heed
how do i run a program 4 4260 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4520 November 07, 2011
by Heed
Motor control question 2 4303 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10027 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4581 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4460 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 97036 October 24, 2011
by glendon
Measuring Capacitance 9 6004 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4611 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6365 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23171 October 16, 2011
by sask55
RxD / TxD Questions 10 7926 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4692 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4587 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4876 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4376 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13949 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6074 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24565 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13298 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4320 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7900 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14034 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 9007 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5456 September 01, 2011
by BobaMosfet
Dim LED 3 4278 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4789 August 23, 2011
by Twarter369
Easy Transistor Question 4 5438 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7393 August 18, 2011
by Ralphxyz
Building a coil?? 12 7202 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4695 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4342 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4181 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4111 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24265 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5444 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4852 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4558 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4606 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7399 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4266 July 17, 2011
by codenamejupiterx
avr macpack 3 4636 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4629 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4728 July 13, 2011
by BobaMosfet
Battery clip wires 3 4183 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4072 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4357 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4607 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5068 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25399 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4587 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4812 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6928 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4866 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4883 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4758 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5357 June 06, 2011
by mja
A couple of questions 3 4483 June 06, 2011
by Ralphxyz
How much should I strip? 3 4555 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5039 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4437 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4775 May 29, 2011
by Rick_S
Digital Input Question 4 4507 May 28, 2011
by frankdwest
PCB arrived 20 4492 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5135 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24175 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5092 May 09, 2011
by Noter
IR current 6 4785 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5514 May 04, 2011
by hariharan
Heat sensors 21 5888 May 04, 2011
by Hexorg
error 1 2 4387 May 02, 2011
by hevans
Transistor vs mosfet 13 12677 May 01, 2011
by Noter
PCB trace width calculator 3 5947 April 24, 2011
by esoderberg
OLED display 10 5668 April 23, 2011
by Rick_S
Power Supplies 17 6217 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4313 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5017 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4461 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5490 April 19, 2011
by mongo
Connecting to external control voltages 4 4431 April 19, 2011
by bretm
IR current question 7 4562 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5347 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5545 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4808 April 10, 2011
by uml_12
Basic projects 3 4479 April 09, 2011
by mongo
REFLOW oven 22 7437 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14813 April 07, 2011
by bretm
unexpected MCU rebooting 82 9491 April 05, 2011
by sask55
REFLOW Soldering 3 5431 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4776 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7124 March 30, 2011
by bretm
Black Display on LCD 6 4743 March 28, 2011
by Druidman
32kHz clock 2 4401 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11644 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12241 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6619 March 16, 2011
by mongo
LCD problem 3 4789 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5413 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5492 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4500 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8225 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5442 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5393 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12444 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9179 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6072 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9530 February 19, 2011
by Lusitania
My first Impression 6 4914 February 16, 2011
by devinsbusiness
Understanding battery life 3 6238 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5808 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5449 February 05, 2011
by BobaMosfet
High voltage lines 26 7643 February 02, 2011
by mongo
USB 3 4456 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5537 February 02, 2011
by Jalex
Alternating LED circuit 4 5408 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6747 January 31, 2011
by il1019
Affordable oscilloscopes 43 15065 January 27, 2011
by BStory
"And"gate unfinished thought 2 4614 January 27, 2011
by Hexorg
replace MCU? 30 9711 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5173 January 25, 2011
by Ralphxyz
Multimeter! 12 7466 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6111 January 25, 2011
by Jalex
My LED Cube so far 25 10890 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5900 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5338 January 18, 2011
by dgikuljot
Counting 5 4560 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9218 January 17, 2011
by bretm
Programming 5 5436 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5625 January 11, 2011
by Yourself
Begining 7 5708 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6089 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5419 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4740 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5266 January 06, 2011
by Mujda
Data input voltage 6 5276 January 03, 2011
by Rick_S
MOSFET Question 7 5420 December 31, 2010
by Keyster
Transistor as a switch 5 5463 December 29, 2010
by Hexorg
Resistors 5 5824 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10771 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5681 December 28, 2010
by BobaMosfet
Relay ratings 2 4987 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20341 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4819 December 17, 2010
by mongo
Power Rectifier 7 7118 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7454 December 14, 2010
by danuke
This a decent oscilloscope? 8 5231 December 14, 2010
by danuke
Do resistors in series really add up? 8 6655 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6052 December 09, 2010
by bretm
L293 H-Bridge 15 6743 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6956 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7123 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6024 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6547 November 24, 2010
by BobaMosfet
Op-amp not working 6 6824 November 24, 2010
by BobaMosfet
Python questions 4 5783 November 21, 2010
by tkopriva
CE Amp design 5 5328 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5224 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5086 November 05, 2010
by Mujda
PC4 not working?! 8 4943 November 04, 2010
by hapshetsut
Amplifiers 4 4893 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5757 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5847 October 04, 2010
by Scythium
radio interference from NerdKit 11 4981 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9607 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5451 September 11, 2010
by akajester
QFP and dreadboard 2 5352 September 02, 2010
by bretm
Getting power to the spinning part... 5 5210 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13170 August 30, 2010
by Ralphxyz
morse code decoder 2 5324 August 26, 2010
by jonathan_m
Connecting to Computer 3 5310 August 25, 2010
by awesome
555 astable on breadboard 12 6815 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4932 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5428 August 19, 2010
by hevans
mosfet 3 4687 August 13, 2010
by hevans
Good material on learning electronics. 8 5691 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4578 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7298 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6517 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9919 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6995 July 02, 2010
by mongo
Electro Cardio Gram 4 5872 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4635 June 12, 2010
by Wobbler
Voltage Regulator 20 6354 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5909 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6576 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6217 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5413 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4641 June 06, 2010
by Kafke
TSSOP IC! 4 5418 June 03, 2010
by mrobbins
AVcc 2 5654 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4856 May 31, 2010
by hevans
Cable Driver 2 4534 May 31, 2010
by mongo
Best 9V adapter to use 2 4974 May 28, 2010
by mongo
Unidirectional microphones 5 5215 May 27, 2010
by mongo
Servo question 3 4690 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5380 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5234 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6909 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11880 May 21, 2010
by hevans
Chinese Solenoid 15 5215 May 10, 2010
by treymd
avrisp mkii circuit 4 6418 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4757 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10118 May 07, 2010
by rajabalu21
Simple Power Switch 6 4843 May 05, 2010
by avicell
I can haz speed! 3 5200 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6705 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5543 April 21, 2010
by bretm
Help with choosing the right resistor 10 6643 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11408 April 15, 2010
by bretm
Resistor 4 4551 April 15, 2010
by mongo
MCU digital input pins 3 4757 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5038 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10932 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6994 March 28, 2010
by carlhako
Laptop ground safety question 3 5072 March 27, 2010
by ese
LM34 R-C Damper 5 6650 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5370 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4673 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6684 March 23, 2010
by ese
constant system reset 3 4564 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5338 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6423 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5665 March 17, 2010
by Frozenlock
What is -VS? 6 8735 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6480 March 04, 2010
by treymd
Using MCU to connect two wires 3 5561 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10357 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4996 March 02, 2010
by Solorbob
Deciphering power resistors 11 5387 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4766 March 01, 2010
by nrotstan
Understanding LEDs 16 7985 March 01, 2010
by michaeldallas
What's the part I need? 5 4874 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11922 February 23, 2010
by rajabalu21
Too much power? 14 5624 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6286 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6235 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13773 February 18, 2010
by Rick_S
Serial port interface circuit 2 5772 February 17, 2010
by mongo
OBDII project 3 4835 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8448 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7598 February 13, 2010
by BobaMosfet
Digital pots 5 5061 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5390 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6268 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7673 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7816 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5629 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7413 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11239 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 6009 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5214 December 27, 2009
by jgauthier
Servo Signal Noise 2 4777 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8159 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11614 December 10, 2009
by georgio
Relays and transistors 12 9601 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9667 December 09, 2009
by Rick_S
IR Detector 7 9201 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5830 November 19, 2009
by mikedoug
Debug with lcd 6 5792 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5260 November 15, 2009
by tech20
Understanding output pin characteristics 4 5164 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7173 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5437 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49129 October 30, 2009
by BobaMosfet
DIY header unit 2 5614 October 10, 2009
by rusirius
Thermostat Logging 6 7279 October 09, 2009
by luke
Understanding transistors 6 6963 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10943 October 07, 2009
by mikedoug
Currant booster 3 4771 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5755 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13807 August 27, 2009
by hevans
Which LED? 14 5524 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6562 August 07, 2009
by mongo
pull up, pull down resistors 7 17983 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11970 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7814 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7200 July 07, 2009
by sector0
Reset switch for circuit 3 5435 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32067 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6569 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5332 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5488 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5957 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5302 May 06, 2009
by paulip

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