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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8846 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8239 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6962 April 12, 2016
by Ralphxyz
USBasp Help! 3 5862 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8113 May 04, 2015
by mongo
Need to replace Wall Watt 16 5363 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5017 April 10, 2015
by Noter
My new 3D Printer 44 20589 April 07, 2015
by Rick_S
AtMega 644 2 5069 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4116 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4792 June 02, 2014
by JKITSON
Automated programming mode? 9 5075 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4648 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4689 January 28, 2014
by lailai
What kind of error is this? 4 4485 January 23, 2014
by Noter
How to double a DC voltage? 20 11884 January 12, 2014
by JKITSON
Is the code the driver? 2 4369 January 12, 2014
by Ralphxyz
Miniature headers 6 4586 January 01, 2014
by Ralphxyz
BLDC 8 4672 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5269 November 26, 2013
by Rick_S
GLCD SPI problems 14 8532 November 10, 2013
by andyi
Moving on... 7 4482 November 08, 2013
by Pr0ject
Power supply questions 4 6052 October 31, 2013
by sask55
OLED 4 4248 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16252 September 22, 2013
by sask55
Opto Interrupter once again 14 8928 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4657 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11661 September 02, 2013
by Ralphxyz
USB cable specifications 7 6201 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5179 August 27, 2013
by Affarram
XMEGA Breakout 8 5538 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4212 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4881 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4926 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11326 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15978 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4199 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4812 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66255 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4009 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4565 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8733 March 14, 2013
by mongo
Current vs Voltage 8 5642 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5223 March 09, 2013
by lnino
Electric current 2 4000 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6937 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9693 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9217 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5082 February 24, 2013
by lnino
Relay Question 27 8335 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8022 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5507 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5380 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5152 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4743 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5415 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4732 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5561 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4076 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4153 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4633 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10186 November 18, 2012
by carlhako
SPI slave clock 6 4873 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4256 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31136 October 23, 2012
by Noter
NPN circuit connection quandry 4 4833 September 24, 2012
by edb
Simple I/O circuit 4 4489 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4267 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3990 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6801 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4481 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6866 September 13, 2012
by dan_engbers
Electronics simulation 8 5121 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7265 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4395 August 20, 2012
by rblalock
louder sound 2 4161 August 18, 2012
by mongo
connector or cable for LCD display? 4 4377 August 13, 2012
by missle3944
Powering L.E.Ds 5 4510 August 09, 2012
by BobaMosfet
Wires in U.K 5 4981 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4894 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7884 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7544 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5345 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22855 July 21, 2012
by lnino
um help 6 3968 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5021 July 18, 2012
by Ralphxyz
help me 11 4876 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4267 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5583 June 24, 2012
by Ralphxyz
HELP 3 4025 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14997 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4130 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6055 June 17, 2012
by RogerFL
Programmable current source 6 6096 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5646 June 11, 2012
by mongo
HELP 6 4350 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4746 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52022 May 24, 2012
by Ralphxyz
i need a code 8 4752 May 15, 2012
by pcbolt
Clock Accuracy 30 9416 May 14, 2012
by HexManiac
Relays and Controlling them 9 4724 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4990 May 09, 2012
by RogerFL
Powering your NerdKit 7 4573 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4596 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7831 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4998 April 24, 2012
by pcbolt
Programs will not run 6 4492 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5121 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4784 April 09, 2012
by Ralphxyz
Path Lights controller 2 4355 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4470 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5008 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4566 April 01, 2012
by JamesFysh
Question on LCD screen 5 4564 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4534 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5861 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5471 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9192 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4651 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5918 March 15, 2012
by mongo
Digital servo issues! 9 5172 March 15, 2012
by Rick_S
Brushless motor control 16 5516 March 12, 2012
by hevans
Windows not detecting device 3 4313 March 10, 2012
by hevans
Voltage throught MCU 5 4322 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20210 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11947 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21230 March 01, 2012
by hevans
Up and running... 3 4115 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4777 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5127 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4359 February 24, 2012
by Rick_S
programming lcd trubs 7 4478 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5147 February 18, 2012
by Rick_S
Oscilloscope 15 6418 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10933 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5568 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4760 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11544 February 09, 2012
by mongo
Data transmission 3 5308 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5115 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6696 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4606 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4157 January 31, 2012
by tchilzer2
H bridge questions 6 4946 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4695 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5114 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5309 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8436 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4979 January 15, 2012
by Rick_S
Source of power? 19 5113 January 13, 2012
by mongo
symbol defined please? 4 4792 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18149 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4693 January 06, 2012
by boxvic
Basic LED circuit properties 8 4923 January 06, 2012
by boxvic
Getting Started 3 4391 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5577 January 02, 2012
by bodangly
SMD reflow 16 5693 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4647 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5311 December 23, 2011
by BobaMosfet
Potentiometer 8 6276 December 23, 2011
by huzbum
Fun with Op-Amps 3 6514 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5605 December 19, 2011
by n1cl3
Odessy of the minds 5 4838 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4219 November 27, 2011
by sazD
Initial Load 2 4873 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5595 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6278 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4937 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10092 November 10, 2011
by jfbrink
Servo Squitter Project 13 4679 November 09, 2011
by Heed
how do i run a program 4 4241 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4501 November 07, 2011
by Heed
Motor control question 2 4287 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9985 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4552 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4432 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 96841 October 24, 2011
by glendon
Measuring Capacitance 9 5985 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4586 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6344 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23085 October 16, 2011
by sask55
RxD / TxD Questions 10 7825 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4673 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4565 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4856 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4358 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13877 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6039 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24522 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13266 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4298 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7873 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13988 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8978 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5426 September 01, 2011
by BobaMosfet
Dim LED 3 4254 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4771 August 23, 2011
by Twarter369
Easy Transistor Question 4 5412 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7180 August 18, 2011
by Ralphxyz
Building a coil?? 12 7181 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4671 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4319 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4162 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4094 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24225 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5422 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4831 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4547 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4588 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7371 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4246 July 17, 2011
by codenamejupiterx
avr macpack 3 4614 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4612 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4707 July 13, 2011
by BobaMosfet
Battery clip wires 3 4163 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4049 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4343 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4586 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5040 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25358 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4563 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4796 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6896 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4843 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4857 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4745 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5319 June 06, 2011
by mja
A couple of questions 3 4463 June 06, 2011
by Ralphxyz
How much should I strip? 3 4537 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5022 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4420 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4750 May 29, 2011
by Rick_S
Digital Input Question 4 4483 May 28, 2011
by frankdwest
PCB arrived 20 4476 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5116 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24128 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5067 May 09, 2011
by Noter
IR current 6 4768 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5493 May 04, 2011
by hariharan
Heat sensors 21 5863 May 04, 2011
by Hexorg
error 1 2 4371 May 02, 2011
by hevans
Transistor vs mosfet 13 12627 May 01, 2011
by Noter
PCB trace width calculator 3 5933 April 24, 2011
by esoderberg
OLED display 10 5647 April 23, 2011
by Rick_S
Power Supplies 17 6194 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4295 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5000 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4444 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5474 April 19, 2011
by mongo
Connecting to external control voltages 4 4417 April 19, 2011
by bretm
IR current question 7 4546 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5327 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5526 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4786 April 10, 2011
by uml_12
Basic projects 3 4464 April 09, 2011
by mongo
REFLOW oven 22 7420 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14751 April 07, 2011
by bretm
unexpected MCU rebooting 82 9462 April 05, 2011
by sask55
REFLOW Soldering 3 5413 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4759 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7106 March 30, 2011
by bretm
Black Display on LCD 6 4728 March 28, 2011
by Druidman
32kHz clock 2 4387 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11595 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12151 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6600 March 16, 2011
by mongo
LCD problem 3 4774 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5394 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5474 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4486 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8197 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5425 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5377 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12415 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9154 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6052 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9502 February 19, 2011
by Lusitania
My first Impression 6 4894 February 16, 2011
by devinsbusiness
Understanding battery life 3 6217 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5789 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5424 February 05, 2011
by BobaMosfet
High voltage lines 26 7612 February 02, 2011
by mongo
USB 3 4437 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5515 February 02, 2011
by Jalex
Alternating LED circuit 4 5391 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6723 January 31, 2011
by il1019
Affordable oscilloscopes 43 14994 January 27, 2011
by BStory
"And"gate unfinished thought 2 4585 January 27, 2011
by Hexorg
replace MCU? 30 9677 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5153 January 25, 2011
by Ralphxyz
Multimeter! 12 7439 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6089 January 25, 2011
by Jalex
My LED Cube so far 25 10864 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5881 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5320 January 18, 2011
by dgikuljot
Counting 5 4530 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9187 January 17, 2011
by bretm
Programming 5 5411 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5602 January 11, 2011
by Yourself
Begining 7 5682 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6071 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5401 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4716 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5247 January 06, 2011
by Mujda
Data input voltage 6 5250 January 03, 2011
by Rick_S
MOSFET Question 7 5395 December 31, 2010
by Keyster
Transistor as a switch 5 5446 December 29, 2010
by Hexorg
Resistors 5 5800 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10736 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5656 December 28, 2010
by BobaMosfet
Relay ratings 2 4973 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20303 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4801 December 17, 2010
by mongo
Power Rectifier 7 7093 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7431 December 14, 2010
by danuke
This a decent oscilloscope? 8 5213 December 14, 2010
by danuke
Do resistors in series really add up? 8 6632 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6026 December 09, 2010
by bretm
L293 H-Bridge 15 6720 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6932 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7094 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6004 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6528 November 24, 2010
by BobaMosfet
Op-amp not working 6 6797 November 24, 2010
by BobaMosfet
Python questions 4 5756 November 21, 2010
by tkopriva
CE Amp design 5 5310 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5204 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5067 November 05, 2010
by Mujda
PC4 not working?! 8 4922 November 04, 2010
by hapshetsut
Amplifiers 4 4876 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5738 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5820 October 04, 2010
by Scythium
radio interference from NerdKit 11 4957 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9585 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5430 September 11, 2010
by akajester
QFP and dreadboard 2 5335 September 02, 2010
by bretm
Getting power to the spinning part... 5 5190 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13143 August 30, 2010
by Ralphxyz
morse code decoder 2 5304 August 26, 2010
by jonathan_m
Connecting to Computer 3 5292 August 25, 2010
by awesome
555 astable on breadboard 12 6798 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4910 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5408 August 19, 2010
by hevans
mosfet 3 4671 August 13, 2010
by hevans
Good material on learning electronics. 8 5671 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4558 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7261 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6495 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9882 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6966 July 02, 2010
by mongo
Electro Cardio Gram 4 5849 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4611 June 12, 2010
by Wobbler
Voltage Regulator 20 6336 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5888 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6551 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6202 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5396 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4620 June 06, 2010
by Kafke
TSSOP IC! 4 5403 June 03, 2010
by mrobbins
AVcc 2 5638 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4829 May 31, 2010
by hevans
Cable Driver 2 4515 May 31, 2010
by mongo
Best 9V adapter to use 2 4953 May 28, 2010
by mongo
Unidirectional microphones 5 5198 May 27, 2010
by mongo
Servo question 3 4667 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5359 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5213 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6891 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11847 May 21, 2010
by hevans
Chinese Solenoid 15 5192 May 10, 2010
by treymd
avrisp mkii circuit 4 6396 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4734 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10083 May 07, 2010
by rajabalu21
Simple Power Switch 6 4826 May 05, 2010
by avicell
I can haz speed! 3 5177 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6681 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5523 April 21, 2010
by bretm
Help with choosing the right resistor 10 6619 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11374 April 15, 2010
by bretm
Resistor 4 4530 April 15, 2010
by mongo
MCU digital input pins 3 4738 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5018 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10907 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6973 March 28, 2010
by carlhako
Laptop ground safety question 3 5053 March 27, 2010
by ese
LM34 R-C Damper 5 6633 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5351 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4657 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6667 March 23, 2010
by ese
constant system reset 3 4544 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5315 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6397 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5647 March 17, 2010
by Frozenlock
What is -VS? 6 8708 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6458 March 04, 2010
by treymd
Using MCU to connect two wires 3 5541 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10318 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4975 March 02, 2010
by Solorbob
Deciphering power resistors 11 5363 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4747 March 01, 2010
by nrotstan
Understanding LEDs 16 7957 March 01, 2010
by michaeldallas
What's the part I need? 5 4854 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11889 February 23, 2010
by rajabalu21
Too much power? 14 5601 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6267 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6206 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13738 February 18, 2010
by Rick_S
Serial port interface circuit 2 5751 February 17, 2010
by mongo
OBDII project 3 4815 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8418 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7574 February 13, 2010
by BobaMosfet
Digital pots 5 5044 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5372 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6249 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7650 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7787 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5613 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7391 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11212 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5987 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5196 December 27, 2009
by jgauthier
Servo Signal Noise 2 4758 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8136 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11587 December 10, 2009
by georgio
Relays and transistors 12 9577 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9646 December 09, 2009
by Rick_S
IR Detector 7 9161 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5816 November 19, 2009
by mikedoug
Debug with lcd 6 5768 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5243 November 15, 2009
by tech20
Understanding output pin characteristics 4 5147 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7145 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5423 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49075 October 30, 2009
by BobaMosfet
DIY header unit 2 5599 October 10, 2009
by rusirius
Thermostat Logging 6 7254 October 09, 2009
by luke
Understanding transistors 6 6944 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10923 October 07, 2009
by mikedoug
Currant booster 3 4758 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5740 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13771 August 27, 2009
by hevans
Which LED? 14 5507 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6540 August 07, 2009
by mongo
pull up, pull down resistors 7 17952 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11933 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7792 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7177 July 07, 2009
by sector0
Reset switch for circuit 3 5417 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32037 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6548 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5306 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5462 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5943 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5285 May 06, 2009
by paulip

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