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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8886 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8256 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6987 April 12, 2016
by Ralphxyz
USBasp Help! 3 5883 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8148 May 04, 2015
by mongo
Need to replace Wall Watt 16 5382 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5036 April 10, 2015
by Noter
My new 3D Printer 44 20612 April 07, 2015
by Rick_S
AtMega 644 2 5082 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4127 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4808 June 02, 2014
by JKITSON
Automated programming mode? 9 5090 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4658 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4698 January 28, 2014
by lailai
What kind of error is this? 4 4495 January 23, 2014
by Noter
How to double a DC voltage? 20 11904 January 12, 2014
by JKITSON
Is the code the driver? 2 4380 January 12, 2014
by Ralphxyz
Miniature headers 6 4600 January 01, 2014
by Ralphxyz
BLDC 8 4686 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5286 November 26, 2013
by Rick_S
GLCD SPI problems 14 8555 November 10, 2013
by andyi
Moving on... 7 4494 November 08, 2013
by Pr0ject
Power supply questions 4 6063 October 31, 2013
by sask55
OLED 4 4261 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16280 September 22, 2013
by sask55
Opto Interrupter once again 14 8952 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4671 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11691 September 02, 2013
by Ralphxyz
USB cable specifications 7 6227 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5197 August 27, 2013
by Affarram
XMEGA Breakout 8 5557 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4223 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4894 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4941 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11385 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16018 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4219 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4836 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66299 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4030 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4586 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8760 March 14, 2013
by mongo
Current vs Voltage 8 5660 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5240 March 09, 2013
by lnino
Electric current 2 4012 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6954 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9715 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9245 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5094 February 24, 2013
by lnino
Relay Question 27 8355 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8050 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5529 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5393 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5174 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4757 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5442 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4750 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5576 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4093 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4165 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4650 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10213 November 18, 2012
by carlhako
SPI slave clock 6 4887 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4270 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31204 October 23, 2012
by Noter
NPN circuit connection quandry 4 4847 September 24, 2012
by edb
Simple I/O circuit 4 4498 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4281 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4007 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6826 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4498 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6883 September 13, 2012
by dan_engbers
Electronics simulation 8 5133 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7286 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4406 August 20, 2012
by rblalock
louder sound 2 4174 August 18, 2012
by mongo
connector or cable for LCD display? 4 4393 August 13, 2012
by missle3944
Powering L.E.Ds 5 4523 August 09, 2012
by BobaMosfet
Wires in U.K 5 4996 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4903 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7911 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7560 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5359 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22894 July 21, 2012
by lnino
um help 6 3978 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5037 July 18, 2012
by Ralphxyz
help me 11 4896 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4283 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5605 June 24, 2012
by Ralphxyz
HELP 3 4035 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15022 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4140 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6071 June 17, 2012
by RogerFL
Programmable current source 6 6122 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5665 June 11, 2012
by mongo
HELP 6 4361 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4762 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52252 May 24, 2012
by Ralphxyz
i need a code 8 4767 May 15, 2012
by pcbolt
Clock Accuracy 30 9434 May 14, 2012
by HexManiac
Relays and Controlling them 9 4737 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 5003 May 09, 2012
by RogerFL
Powering your NerdKit 7 4587 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4610 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7858 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5013 April 24, 2012
by pcbolt
Programs will not run 6 4504 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5139 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4798 April 09, 2012
by Ralphxyz
Path Lights controller 2 4367 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4480 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5026 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4579 April 01, 2012
by JamesFysh
Question on LCD screen 5 4582 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4550 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5879 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5489 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9216 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4664 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5951 March 15, 2012
by mongo
Digital servo issues! 9 5188 March 15, 2012
by Rick_S
Brushless motor control 16 5536 March 12, 2012
by hevans
Windows not detecting device 3 4332 March 10, 2012
by hevans
Voltage throught MCU 5 4339 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20227 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11977 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21286 March 01, 2012
by hevans
Up and running... 3 4127 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4792 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5147 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4376 February 24, 2012
by Rick_S
programming lcd trubs 7 4492 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5160 February 18, 2012
by Rick_S
Oscilloscope 15 6439 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10959 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5585 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4772 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11573 February 09, 2012
by mongo
Data transmission 3 5326 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5133 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6707 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4623 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4169 January 31, 2012
by tchilzer2
H bridge questions 6 4960 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4708 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5127 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5330 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8457 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4992 January 15, 2012
by Rick_S
Source of power? 19 5131 January 13, 2012
by mongo
symbol defined please? 4 4803 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18189 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4706 January 06, 2012
by boxvic
Basic LED circuit properties 8 4938 January 06, 2012
by boxvic
Getting Started 3 4405 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5592 January 02, 2012
by bodangly
SMD reflow 16 5705 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4661 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5324 December 23, 2011
by BobaMosfet
Potentiometer 8 6294 December 23, 2011
by huzbum
Fun with Op-Amps 3 6533 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5617 December 19, 2011
by n1cl3
Odessy of the minds 5 4853 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4232 November 27, 2011
by sazD
Initial Load 2 4888 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5607 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6293 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4951 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10119 November 10, 2011
by jfbrink
Servo Squitter Project 13 4692 November 09, 2011
by Heed
how do i run a program 4 4253 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4512 November 07, 2011
by Heed
Motor control question 2 4298 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10017 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4570 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4451 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 96908 October 24, 2011
by glendon
Measuring Capacitance 9 5994 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4601 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6355 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23152 October 16, 2011
by sask55
RxD / TxD Questions 10 7855 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4685 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4580 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4867 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4369 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13925 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6067 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24555 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13289 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4313 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7892 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14021 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8997 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5442 September 01, 2011
by BobaMosfet
Dim LED 3 4269 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4782 August 23, 2011
by Twarter369
Easy Transistor Question 4 5430 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7196 August 18, 2011
by Ralphxyz
Building a coil?? 12 7196 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4688 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4332 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4173 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4102 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24255 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5436 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4842 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4553 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4599 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7389 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4254 July 17, 2011
by codenamejupiterx
avr macpack 3 4627 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4622 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4723 July 13, 2011
by BobaMosfet
Battery clip wires 3 4176 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4063 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4352 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4599 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5058 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25388 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4580 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4804 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6918 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4858 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4871 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4753 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5345 June 06, 2011
by mja
A couple of questions 3 4476 June 06, 2011
by Ralphxyz
How much should I strip? 3 4547 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5030 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4430 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4763 May 29, 2011
by Rick_S
Digital Input Question 4 4502 May 28, 2011
by frankdwest
PCB arrived 20 4484 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5129 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24166 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5085 May 09, 2011
by Noter
IR current 6 4780 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5506 May 04, 2011
by hariharan
Heat sensors 21 5881 May 04, 2011
by Hexorg
error 1 2 4380 May 02, 2011
by hevans
Transistor vs mosfet 13 12669 May 01, 2011
by Noter
PCB trace width calculator 3 5943 April 24, 2011
by esoderberg
OLED display 10 5661 April 23, 2011
by Rick_S
Power Supplies 17 6208 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4306 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5008 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4458 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5484 April 19, 2011
by mongo
Connecting to external control voltages 4 4428 April 19, 2011
by bretm
IR current question 7 4558 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5341 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5538 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4801 April 10, 2011
by uml_12
Basic projects 3 4474 April 09, 2011
by mongo
REFLOW oven 22 7433 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14798 April 07, 2011
by bretm
unexpected MCU rebooting 82 9484 April 05, 2011
by sask55
REFLOW Soldering 3 5428 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4773 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7118 March 30, 2011
by bretm
Black Display on LCD 6 4739 March 28, 2011
by Druidman
32kHz clock 2 4397 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11633 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12190 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6613 March 16, 2011
by mongo
LCD problem 3 4786 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5406 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5486 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4497 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8218 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5437 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5388 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12437 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9171 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6070 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9524 February 19, 2011
by Lusitania
My first Impression 6 4904 February 16, 2011
by devinsbusiness
Understanding battery life 3 6231 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5805 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5442 February 05, 2011
by BobaMosfet
High voltage lines 26 7639 February 02, 2011
by mongo
USB 3 4449 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5528 February 02, 2011
by Jalex
Alternating LED circuit 4 5402 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6738 January 31, 2011
by il1019
Affordable oscilloscopes 43 15046 January 27, 2011
by BStory
"And"gate unfinished thought 2 4606 January 27, 2011
by Hexorg
replace MCU? 30 9699 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5168 January 25, 2011
by Ralphxyz
Multimeter! 12 7458 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6108 January 25, 2011
by Jalex
My LED Cube so far 25 10878 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5891 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5333 January 18, 2011
by dgikuljot
Counting 5 4556 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9214 January 17, 2011
by bretm
Programming 5 5429 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5617 January 11, 2011
by Yourself
Begining 7 5699 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6084 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5412 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4732 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5263 January 06, 2011
by Mujda
Data input voltage 6 5271 January 03, 2011
by Rick_S
MOSFET Question 7 5413 December 31, 2010
by Keyster
Transistor as a switch 5 5457 December 29, 2010
by Hexorg
Resistors 5 5820 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10764 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5675 December 28, 2010
by BobaMosfet
Relay ratings 2 4982 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20331 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4814 December 17, 2010
by mongo
Power Rectifier 7 7110 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7447 December 14, 2010
by danuke
This a decent oscilloscope? 8 5223 December 14, 2010
by danuke
Do resistors in series really add up? 8 6649 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6045 December 09, 2010
by bretm
L293 H-Bridge 15 6735 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6951 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7113 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6018 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6540 November 24, 2010
by BobaMosfet
Op-amp not working 6 6815 November 24, 2010
by BobaMosfet
Python questions 4 5774 November 21, 2010
by tkopriva
CE Amp design 5 5321 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5219 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5081 November 05, 2010
by Mujda
PC4 not working?! 8 4937 November 04, 2010
by hapshetsut
Amplifiers 4 4886 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5752 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5840 October 04, 2010
by Scythium
radio interference from NerdKit 11 4975 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9601 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5445 September 11, 2010
by akajester
QFP and dreadboard 2 5348 September 02, 2010
by bretm
Getting power to the spinning part... 5 5205 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13160 August 30, 2010
by Ralphxyz
morse code decoder 2 5317 August 26, 2010
by jonathan_m
Connecting to Computer 3 5304 August 25, 2010
by awesome
555 astable on breadboard 12 6811 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4926 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5421 August 19, 2010
by hevans
mosfet 3 4683 August 13, 2010
by hevans
Good material on learning electronics. 8 5688 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4566 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7289 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6513 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9911 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6990 July 02, 2010
by mongo
Electro Cardio Gram 4 5865 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4628 June 12, 2010
by Wobbler
Voltage Regulator 20 6350 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5903 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6567 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6213 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5408 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4635 June 06, 2010
by Kafke
TSSOP IC! 4 5416 June 03, 2010
by mrobbins
AVcc 2 5648 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4845 May 31, 2010
by hevans
Cable Driver 2 4529 May 31, 2010
by mongo
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by mongo
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by mongo
Servo question 3 4686 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5374 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5228 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6903 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11868 May 21, 2010
by hevans
Chinese Solenoid 15 5208 May 10, 2010
by treymd
avrisp mkii circuit 4 6411 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4752 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10111 May 07, 2010
by rajabalu21
Simple Power Switch 6 4839 May 05, 2010
by avicell
I can haz speed! 3 5194 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6697 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5536 April 21, 2010
by bretm
Help with choosing the right resistor 10 6639 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11398 April 15, 2010
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Resistor 4 4546 April 15, 2010
by mongo
MCU digital input pins 3 4749 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5033 April 09, 2010
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usbasp ISP Programmer 7 10926 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6990 March 28, 2010
by carlhako
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by ese
LM34 R-C Damper 5 6645 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5364 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4666 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6679 March 23, 2010
by ese
constant system reset 3 4557 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5330 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6418 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5659 March 17, 2010
by Frozenlock
What is -VS? 6 8730 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6471 March 04, 2010
by treymd
Using MCU to connect two wires 3 5556 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10350 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4988 March 02, 2010
by Solorbob
Deciphering power resistors 11 5379 March 01, 2010
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Quick mosfet question -- grounding other battery? 3 4760 March 01, 2010
by nrotstan
Understanding LEDs 16 7975 March 01, 2010
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What's the part I need? 5 4868 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11911 February 23, 2010
by rajabalu21
Too much power? 14 5617 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6281 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6227 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13768 February 18, 2010
by Rick_S
Serial port interface circuit 2 5767 February 17, 2010
by mongo
OBDII project 3 4830 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8445 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7591 February 13, 2010
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Digital pots 5 5054 January 31, 2010
by sepeters
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YAWWT (Yet Another Wall Wart Thread) 10 6262 January 23, 2010
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How to stop a flip flop counter from... hum.... counting? 4 7665 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7806 January 15, 2010
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Resistors and Ohms Law / Kirchoff's Laws 2 5623 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7407 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11232 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 6003 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5211 December 27, 2009
by jgauthier
Servo Signal Noise 2 4769 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8153 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11606 December 10, 2009
by georgio
Relays and transistors 12 9595 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9663 December 09, 2009
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IR Detector 7 9195 November 23, 2009
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14.7465 to 20.0000 mhz 10 5826 November 19, 2009
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Debug with lcd 6 5785 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5257 November 15, 2009
by tech20
Understanding output pin characteristics 4 5162 November 13, 2009
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Schematics for LED Heart Project? 12 7166 November 12, 2009
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Thermostat Logging 6 7270 October 09, 2009
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Understanding transistors 6 6956 October 08, 2009
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Power from USB: current limiter with an op-amp 8 10938 October 07, 2009
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Currant booster 3 4768 October 07, 2009
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Witch two wires 5 5751 September 11, 2009
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Difference between ATmega8 and ATmega168? 4 13803 August 27, 2009
by hevans
Which LED? 14 5520 August 10, 2009
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Evil battery polarity +/- understanding the basics 7 6555 August 07, 2009
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pull up, pull down resistors 7 17978 August 05, 2009
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Why do we need a resistor going from the contrast pin to the ground? 8 11962 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7803 August 05, 2009
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Power MOSFET - Understanding and headaches 4 7193 July 07, 2009
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Reset switch for circuit 3 5430 June 27, 2009
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Online circuit simulator/intuition builder 2 32059 June 16, 2009
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I don't understand the cap on the MC power supply 12 6563 June 12, 2009
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what resistors to use when connecting a new IC 5 5323 June 01, 2009
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wallwart safety? 4 5481 May 31, 2009
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Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5952 May 31, 2009
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Dimming LCD Problem 6 5295 May 06, 2009
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Did you know that LEDs (light emitting diodes) only conduct current in one direction, like normal diodes? Learn more...