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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8730 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8143 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6882 April 12, 2016
by Ralphxyz
USBasp Help! 3 5786 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8004 May 04, 2015
by mongo
Need to replace Wall Watt 16 5295 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4952 April 10, 2015
by Noter
My new 3D Printer 44 20522 April 07, 2015
by Rick_S
AtMega 644 2 5021 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4066 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4728 June 02, 2014
by JKITSON
Automated programming mode? 9 5014 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4592 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4611 January 28, 2014
by lailai
What kind of error is this? 4 4439 January 23, 2014
by Noter
How to double a DC voltage? 20 11809 January 12, 2014
by JKITSON
Is the code the driver? 2 4292 January 12, 2014
by Ralphxyz
Miniature headers 6 4539 January 01, 2014
by Ralphxyz
BLDC 8 4614 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5187 November 26, 2013
by Rick_S
GLCD SPI problems 14 8465 November 10, 2013
by andyi
Moving on... 7 4423 November 08, 2013
by Pr0ject
Power supply questions 4 5967 October 31, 2013
by sask55
OLED 4 4180 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16142 September 22, 2013
by sask55
Opto Interrupter once again 14 8835 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4606 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11563 September 02, 2013
by Ralphxyz
USB cable specifications 7 6088 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5092 August 27, 2013
by Affarram
XMEGA Breakout 8 5461 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4155 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4829 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4864 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11125 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15767 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4140 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4764 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66054 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3959 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4490 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8658 March 14, 2013
by mongo
Current vs Voltage 8 5584 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5176 March 09, 2013
by lnino
Electric current 2 3954 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6895 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9612 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9078 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5021 February 24, 2013
by lnino
Relay Question 27 8277 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7946 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5450 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5333 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5100 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4700 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5320 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4674 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5507 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4018 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4113 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4595 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10024 November 18, 2012
by carlhako
SPI slave clock 6 4811 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4211 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 30954 October 23, 2012
by Noter
NPN circuit connection quandry 4 4783 September 24, 2012
by edb
Simple I/O circuit 4 4433 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4221 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3909 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6696 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4438 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6813 September 13, 2012
by dan_engbers
Electronics simulation 8 5077 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7194 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4338 August 20, 2012
by rblalock
louder sound 2 4118 August 18, 2012
by mongo
connector or cable for LCD display? 4 4330 August 13, 2012
by missle3944
Powering L.E.Ds 5 4459 August 09, 2012
by BobaMosfet
Wires in U.K 5 4932 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4837 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7790 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7487 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5276 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22777 July 21, 2012
by lnino
um help 6 3931 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4973 July 18, 2012
by Ralphxyz
help me 11 4824 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4223 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5522 June 24, 2012
by Ralphxyz
HELP 3 3967 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14893 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4074 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6008 June 17, 2012
by RogerFL
Programmable current source 6 6010 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5597 June 11, 2012
by mongo
HELP 6 4300 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4696 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 50846 May 24, 2012
by Ralphxyz
i need a code 8 4701 May 15, 2012
by pcbolt
Clock Accuracy 30 9358 May 14, 2012
by HexManiac
Relays and Controlling them 9 4662 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4942 May 09, 2012
by RogerFL
Powering your NerdKit 7 4522 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4546 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7753 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4956 April 24, 2012
by pcbolt
Programs will not run 6 4437 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5056 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4740 April 09, 2012
by Ralphxyz
Path Lights controller 2 4307 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4415 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4950 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4521 April 01, 2012
by JamesFysh
Question on LCD screen 5 4520 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4483 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5795 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5415 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9113 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4608 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5783 March 15, 2012
by mongo
Digital servo issues! 9 5117 March 15, 2012
by Rick_S
Brushless motor control 16 5462 March 12, 2012
by hevans
Windows not detecting device 3 4256 March 10, 2012
by hevans
Voltage throught MCU 5 4274 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20124 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11859 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21068 March 01, 2012
by hevans
Up and running... 3 4066 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4727 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5088 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4309 February 24, 2012
by Rick_S
programming lcd trubs 7 4397 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5089 February 18, 2012
by Rick_S
Oscilloscope 15 6361 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10853 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5528 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4712 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11335 February 09, 2012
by mongo
Data transmission 3 5262 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5073 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6641 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4553 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4111 January 31, 2012
by tchilzer2
H bridge questions 6 4888 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4633 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5064 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5257 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8378 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4914 January 15, 2012
by Rick_S
Source of power? 19 5053 January 13, 2012
by mongo
symbol defined please? 4 4745 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18009 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4647 January 06, 2012
by boxvic
Basic LED circuit properties 8 4871 January 06, 2012
by boxvic
Getting Started 3 4344 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5534 January 02, 2012
by bodangly
SMD reflow 16 5631 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4596 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5270 December 23, 2011
by BobaMosfet
Potentiometer 8 6205 December 23, 2011
by huzbum
Fun with Op-Amps 3 6454 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5516 December 19, 2011
by n1cl3
Odessy of the minds 5 4793 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4157 November 27, 2011
by sazD
Initial Load 2 4826 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5535 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6225 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4900 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10026 November 10, 2011
by jfbrink
Servo Squitter Project 13 4633 November 09, 2011
by Heed
how do i run a program 4 4201 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4458 November 07, 2011
by Heed
Motor control question 2 4247 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9881 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4502 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4386 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 96427 October 24, 2011
by glendon
Measuring Capacitance 9 5937 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4545 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6295 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 22864 October 16, 2011
by sask55
RxD / TxD Questions 10 7729 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4628 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4523 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4811 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4321 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13677 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5988 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24427 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13092 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4252 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7819 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13845 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8925 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5369 September 01, 2011
by BobaMosfet
Dim LED 3 4197 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4725 August 23, 2011
by Twarter369
Easy Transistor Question 4 5353 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7103 August 18, 2011
by Ralphxyz
Building a coil?? 12 7123 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4623 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4272 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4100 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4044 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24132 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5382 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4785 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4501 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4539 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7317 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4198 July 17, 2011
by codenamejupiterx
avr macpack 3 4572 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4565 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4643 July 13, 2011
by BobaMosfet
Battery clip wires 3 4126 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3998 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4306 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4542 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4963 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25258 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4505 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4747 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6835 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4774 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4796 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4705 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5266 June 06, 2011
by mja
A couple of questions 3 4414 June 06, 2011
by Ralphxyz
How much should I strip? 3 4479 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4978 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4365 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4695 May 29, 2011
by Rick_S
Digital Input Question 4 4435 May 28, 2011
by frankdwest
PCB arrived 20 4423 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5072 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24028 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5013 May 09, 2011
by Noter
IR current 6 4732 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5440 May 04, 2011
by hariharan
Heat sensors 21 5815 May 04, 2011
by Hexorg
error 1 2 4295 May 02, 2011
by hevans
Transistor vs mosfet 13 12563 May 01, 2011
by Noter
PCB trace width calculator 3 5885 April 24, 2011
by esoderberg
OLED display 10 5600 April 23, 2011
by Rick_S
Power Supplies 17 6153 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4254 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4959 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4396 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5415 April 19, 2011
by mongo
Connecting to external control voltages 4 4380 April 19, 2011
by bretm
IR current question 7 4491 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5281 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5467 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4744 April 10, 2011
by uml_12
Basic projects 3 4418 April 09, 2011
by mongo
REFLOW oven 22 7368 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14656 April 07, 2011
by bretm
unexpected MCU rebooting 82 9377 April 05, 2011
by sask55
REFLOW Soldering 3 5336 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4713 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7047 March 30, 2011
by bretm
Black Display on LCD 6 4691 March 28, 2011
by Druidman
32kHz clock 2 4338 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11495 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12009 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6550 March 16, 2011
by mongo
LCD problem 3 4731 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5336 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5437 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4441 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8116 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5380 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5318 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12369 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9067 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6000 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9446 February 19, 2011
by Lusitania
My first Impression 6 4838 February 16, 2011
by devinsbusiness
Understanding battery life 3 6117 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5740 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5369 February 05, 2011
by BobaMosfet
High voltage lines 26 7530 February 02, 2011
by mongo
USB 3 4394 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5454 February 02, 2011
by Jalex
Alternating LED circuit 4 5344 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6673 January 31, 2011
by il1019
Affordable oscilloscopes 43 14805 January 27, 2011
by BStory
"And"gate unfinished thought 2 4535 January 27, 2011
by Hexorg
replace MCU? 30 9577 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5096 January 25, 2011
by Ralphxyz
Multimeter! 12 7384 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6035 January 25, 2011
by Jalex
My LED Cube so far 25 10813 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5844 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5270 January 18, 2011
by dgikuljot
Counting 5 4484 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9128 January 17, 2011
by bretm
Programming 5 5348 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5552 January 11, 2011
by Yourself
Begining 7 5628 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6022 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5356 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4654 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5194 January 06, 2011
by Mujda
Data input voltage 6 5187 January 03, 2011
by Rick_S
MOSFET Question 7 5346 December 31, 2010
by Keyster
Transistor as a switch 5 5379 December 29, 2010
by Hexorg
Resistors 5 5735 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10649 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5601 December 28, 2010
by BobaMosfet
Relay ratings 2 4909 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20241 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4753 December 17, 2010
by mongo
Power Rectifier 7 7043 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7370 December 14, 2010
by danuke
This a decent oscilloscope? 8 5152 December 14, 2010
by danuke
Do resistors in series really add up? 8 6567 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5967 December 09, 2010
by bretm
L293 H-Bridge 15 6655 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6858 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7026 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5948 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6471 November 24, 2010
by BobaMosfet
Op-amp not working 6 6744 November 24, 2010
by BobaMosfet
Python questions 4 5709 November 21, 2010
by tkopriva
CE Amp design 5 5244 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5160 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5012 November 05, 2010
by Mujda
PC4 not working?! 8 4864 November 04, 2010
by hapshetsut
Amplifiers 4 4827 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5689 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5776 October 04, 2010
by Scythium
radio interference from NerdKit 11 4877 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9525 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5374 September 11, 2010
by akajester
QFP and dreadboard 2 5277 September 02, 2010
by bretm
Getting power to the spinning part... 5 5146 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13077 August 30, 2010
by Ralphxyz
morse code decoder 2 5261 August 26, 2010
by jonathan_m
Connecting to Computer 3 5237 August 25, 2010
by awesome
555 astable on breadboard 12 6757 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4870 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5366 August 19, 2010
by hevans
mosfet 3 4630 August 13, 2010
by hevans
Good material on learning electronics. 8 5622 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4512 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7179 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6438 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9803 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6918 July 02, 2010
by mongo
Electro Cardio Gram 4 5787 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4562 June 12, 2010
by Wobbler
Voltage Regulator 20 6287 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5825 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6501 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6160 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5345 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4580 June 06, 2010
by Kafke
TSSOP IC! 4 5343 June 03, 2010
by mrobbins
AVcc 2 5575 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4784 May 31, 2010
by hevans
Cable Driver 2 4458 May 31, 2010
by mongo
Best 9V adapter to use 2 4901 May 28, 2010
by mongo
Unidirectional microphones 5 5152 May 27, 2010
by mongo
Servo question 3 4613 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5318 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5160 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6847 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11761 May 21, 2010
by hevans
Chinese Solenoid 15 5133 May 10, 2010
by treymd
avrisp mkii circuit 4 6345 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4688 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 9996 May 07, 2010
by rajabalu21
Simple Power Switch 6 4785 May 05, 2010
by avicell
I can haz speed! 3 5128 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6630 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5463 April 21, 2010
by bretm
Help with choosing the right resistor 10 6574 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11285 April 15, 2010
by bretm
Resistor 4 4488 April 15, 2010
by mongo
MCU digital input pins 3 4674 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4974 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10856 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6930 March 28, 2010
by carlhako
Laptop ground safety question 3 5016 March 27, 2010
by ese
LM34 R-C Damper 5 6583 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5305 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4589 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6620 March 23, 2010
by ese
constant system reset 3 4502 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5260 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6332 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5602 March 17, 2010
by Frozenlock
What is -VS? 6 8657 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6417 March 04, 2010
by treymd
Using MCU to connect two wires 3 5498 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10220 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4915 March 02, 2010
by Solorbob
Deciphering power resistors 11 5300 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4696 March 01, 2010
by nrotstan
Understanding LEDs 16 7882 March 01, 2010
by michaeldallas
What's the part I need? 5 4806 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11833 February 23, 2010
by rajabalu21
Too much power? 14 5547 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6225 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6150 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13632 February 18, 2010
by Rick_S
Serial port interface circuit 2 5704 February 17, 2010
by mongo
OBDII project 3 4763 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8335 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7507 February 13, 2010
by BobaMosfet
Digital pots 5 5001 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5320 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6179 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7583 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7723 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5580 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7312 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11124 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5935 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5156 December 27, 2009
by jgauthier
Servo Signal Noise 2 4715 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8074 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11519 December 10, 2009
by georgio
Relays and transistors 12 9517 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9579 December 09, 2009
by Rick_S
IR Detector 7 9073 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5769 November 19, 2009
by mikedoug
Debug with lcd 6 5719 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5199 November 15, 2009
by tech20
Understanding output pin characteristics 4 5086 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7067 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5372 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 48929 October 30, 2009
by BobaMosfet
DIY header unit 2 5550 October 10, 2009
by rusirius
Thermostat Logging 6 7194 October 09, 2009
by luke
Understanding transistors 6 6899 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10864 October 07, 2009
by mikedoug
Currant booster 3 4704 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5701 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13700 August 27, 2009
by hevans
Which LED? 14 5453 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6489 August 07, 2009
by mongo
pull up, pull down resistors 7 17885 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11823 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7735 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7117 July 07, 2009
by sector0
Reset switch for circuit 3 5375 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31989 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6489 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5255 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5398 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5888 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5224 May 06, 2009
by paulip

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