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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8725 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8139 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6877 April 12, 2016
by Ralphxyz
USBasp Help! 3 5778 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8001 May 04, 2015
by mongo
Need to replace Wall Watt 16 5290 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4948 April 10, 2015
by Noter
My new 3D Printer 44 20518 April 07, 2015
by Rick_S
AtMega 644 2 5019 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 4723 June 02, 2014
by JKITSON
Automated programming mode? 9 5011 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4587 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4605 January 28, 2014
by lailai
What kind of error is this? 4 4436 January 23, 2014
by Noter
How to double a DC voltage? 20 11803 January 12, 2014
by JKITSON
Is the code the driver? 2 4289 January 12, 2014
by Ralphxyz
Miniature headers 6 4537 January 01, 2014
by Ralphxyz
BLDC 8 4612 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5182 November 26, 2013
by Rick_S
GLCD SPI problems 14 8463 November 10, 2013
by andyi
Moving on... 7 4417 November 08, 2013
by Pr0ject
Power supply questions 4 5959 October 31, 2013
by sask55
OLED 4 4177 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16137 September 22, 2013
by sask55
Opto Interrupter once again 14 8829 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4604 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11553 September 02, 2013
by Ralphxyz
USB cable specifications 7 6079 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5089 August 27, 2013
by Affarram
XMEGA Breakout 8 5460 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4151 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4825 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4860 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11119 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15758 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4136 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4762 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66043 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3958 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4487 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8654 March 14, 2013
by mongo
Current vs Voltage 8 5580 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5173 March 09, 2013
by lnino
Electric current 2 3953 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6891 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9606 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9068 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5016 February 24, 2013
by lnino
Relay Question 27 8273 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7942 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5449 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 5095 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4699 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5318 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4668 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5503 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 4594 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10019 November 18, 2012
by carlhako
SPI slave clock 6 4807 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 30947 October 23, 2012
by Noter
NPN circuit connection quandry 4 4779 September 24, 2012
by edb
Simple I/O circuit 4 4430 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4220 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3907 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6693 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4435 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6811 September 13, 2012
by dan_engbers
Electronics simulation 8 5076 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7191 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4338 August 20, 2012
by rblalock
louder sound 2 4116 August 18, 2012
by mongo
connector or cable for LCD display? 4 4329 August 13, 2012
by missle3944
Powering L.E.Ds 5 4457 August 09, 2012
by BobaMosfet
Wires in U.K 5 4929 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4834 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7787 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7482 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5269 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22770 July 21, 2012
by lnino
um help 6 3930 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4972 July 18, 2012
by Ralphxyz
help me 11 4822 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4219 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5517 June 24, 2012
by Ralphxyz
HELP 3 3966 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14889 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4072 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6002 June 17, 2012
by RogerFL
Programmable current source 6 6001 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5592 June 11, 2012
by mongo
HELP 6 4298 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4691 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 50820 May 24, 2012
by Ralphxyz
i need a code 8 4700 May 15, 2012
by pcbolt
Clock Accuracy 30 9356 May 14, 2012
by HexManiac
Relays and Controlling them 9 4655 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4938 May 09, 2012
by RogerFL
Powering your NerdKit 7 4519 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4542 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7751 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4954 April 24, 2012
by pcbolt
Programs will not run 6 4434 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5048 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4739 April 09, 2012
by Ralphxyz
Path Lights controller 2 4304 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4410 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4941 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4517 April 01, 2012
by JamesFysh
Question on LCD screen 5 4517 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4477 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5793 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5414 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9108 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4604 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5773 March 15, 2012
by mongo
Digital servo issues! 9 5111 March 15, 2012
by Rick_S
Brushless motor control 16 5458 March 12, 2012
by hevans
Windows not detecting device 3 4251 March 10, 2012
by hevans
Voltage throught MCU 5 4271 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20112 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11856 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21062 March 01, 2012
by hevans
Up and running... 3 4064 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4724 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5084 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4307 February 24, 2012
by Rick_S
programming lcd trubs 7 4386 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5085 February 18, 2012
by Rick_S
Oscilloscope 15 6354 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10851 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5522 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4708 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11329 February 09, 2012
by mongo
Data transmission 3 5261 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5068 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6637 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4551 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4111 January 31, 2012
by tchilzer2
H bridge questions 6 4884 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4627 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5061 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5253 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8371 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4911 January 15, 2012
by Rick_S
Source of power? 19 5051 January 13, 2012
by mongo
symbol defined please? 4 4744 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18000 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4644 January 06, 2012
by boxvic
Basic LED circuit properties 8 4866 January 06, 2012
by boxvic
Getting Started 3 4343 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5529 January 02, 2012
by bodangly
SMD reflow 16 5627 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4595 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5266 December 23, 2011
by BobaMosfet
Potentiometer 8 6203 December 23, 2011
by huzbum
Fun with Op-Amps 3 6452 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5515 December 19, 2011
by n1cl3
Odessy of the minds 5 4790 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4155 November 27, 2011
by sazD
Initial Load 2 4824 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5530 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6220 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4895 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10021 November 10, 2011
by jfbrink
Servo Squitter Project 13 4630 November 09, 2011
by Heed
how do i run a program 4 4200 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4454 November 07, 2011
by Heed
Motor control question 2 4245 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9877 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4500 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4384 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 96415 October 24, 2011
by glendon
Measuring Capacitance 9 5934 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4542 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6293 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 22856 October 16, 2011
by sask55
RxD / TxD Questions 10 7716 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4625 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4521 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4809 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4321 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13666 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5983 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24422 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13086 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4250 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7812 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13836 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8921 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5367 September 01, 2011
by BobaMosfet
Dim LED 3 4194 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4722 August 23, 2011
by Twarter369
Easy Transistor Question 4 5349 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7099 August 18, 2011
by Ralphxyz
Building a coil?? 12 7118 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4622 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4267 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4099 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 24127 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5376 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 4497 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4537 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7314 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4194 July 17, 2011
by codenamejupiterx
avr macpack 3 4568 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4561 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4639 July 13, 2011
by BobaMosfet
Battery clip wires 3 4125 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3995 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4303 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4541 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4956 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25249 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4502 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4745 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6830 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4771 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4792 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4701 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5259 June 06, 2011
by mja
A couple of questions 3 4411 June 06, 2011
by Ralphxyz
How much should I strip? 3 4478 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4971 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4357 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4689 May 29, 2011
by Rick_S
Digital Input Question 4 4429 May 28, 2011
by frankdwest
PCB arrived 20 4419 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5066 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24021 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5010 May 09, 2011
by Noter
IR current 6 4728 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5435 May 04, 2011
by hariharan
Heat sensors 21 5813 May 04, 2011
by Hexorg
error 1 2 4293 May 02, 2011
by hevans
Transistor vs mosfet 13 12558 May 01, 2011
by Noter
PCB trace width calculator 3 5883 April 24, 2011
by esoderberg
OLED display 10 5591 April 23, 2011
by Rick_S
Power Supplies 17 6152 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4251 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4958 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4394 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5413 April 19, 2011
by mongo
Connecting to external control voltages 4 4378 April 19, 2011
by bretm
IR current question 7 4486 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5280 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5461 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4743 April 10, 2011
by uml_12
Basic projects 3 4418 April 09, 2011
by mongo
REFLOW oven 22 7365 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14650 April 07, 2011
by bretm
unexpected MCU rebooting 82 9372 April 05, 2011
by sask55
REFLOW Soldering 3 5333 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4708 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7044 March 30, 2011
by bretm
Black Display on LCD 6 4687 March 28, 2011
by Druidman
32kHz clock 2 4336 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11492 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12002 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6546 March 16, 2011
by mongo
LCD problem 3 4729 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5332 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5436 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4439 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8113 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5378 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5316 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12368 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9061 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5997 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9443 February 19, 2011
by Lusitania
My first Impression 6 4836 February 16, 2011
by devinsbusiness
Understanding battery life 3 6108 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5738 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5365 February 05, 2011
by BobaMosfet
High voltage lines 26 7527 February 02, 2011
by mongo
USB 3 4393 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5448 February 02, 2011
by Jalex
Alternating LED circuit 4 5342 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6669 January 31, 2011
by il1019
Affordable oscilloscopes 43 14799 January 27, 2011
by BStory
"And"gate unfinished thought 2 4530 January 27, 2011
by Hexorg
replace MCU? 30 9574 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5091 January 25, 2011
by Ralphxyz
Multimeter! 12 7382 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6031 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 5267 January 18, 2011
by dgikuljot
Counting 5 4482 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9124 January 17, 2011
by bretm
Programming 5 5347 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5547 January 11, 2011
by Yourself
Begining 7 5624 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6017 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5351 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4649 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5191 January 06, 2011
by Mujda
Data input voltage 6 5184 January 03, 2011
by Rick_S
MOSFET Question 7 5344 December 31, 2010
by Keyster
Transistor as a switch 5 5378 December 29, 2010
by Hexorg
Resistors 5 5734 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10644 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5598 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 20237 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4751 December 17, 2010
by mongo
Power Rectifier 7 7038 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7364 December 14, 2010
by danuke
This a decent oscilloscope? 8 5149 December 14, 2010
by danuke
Do resistors in series really add up? 8 6562 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5965 December 09, 2010
by bretm
L293 H-Bridge 15 6651 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6853 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7021 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5946 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6463 November 24, 2010
by BobaMosfet
Op-amp not working 6 6743 November 24, 2010
by BobaMosfet
Python questions 4 5705 November 21, 2010
by tkopriva
CE Amp design 5 5238 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5154 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5010 November 05, 2010
by Mujda
PC4 not working?! 8 4863 November 04, 2010
by hapshetsut
Amplifiers 4 4824 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5685 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5773 October 04, 2010
by Scythium
radio interference from NerdKit 11 4876 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9522 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5374 September 11, 2010
by akajester
QFP and dreadboard 2 5275 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 13074 August 30, 2010
by Ralphxyz
morse code decoder 2 5259 August 26, 2010
by jonathan_m
Connecting to Computer 3 5237 August 25, 2010
by awesome
555 astable on breadboard 12 6754 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4865 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5363 August 19, 2010
by hevans
mosfet 3 4629 August 13, 2010
by hevans
Good material on learning electronics. 8 5621 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4507 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7172 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6436 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9797 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6916 July 02, 2010
by mongo
Electro Cardio Gram 4 5781 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4560 June 12, 2010
by Wobbler
Voltage Regulator 20 6283 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5822 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6497 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6158 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5344 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4575 June 06, 2010
by Kafke
TSSOP IC! 4 5342 June 03, 2010
by mrobbins
AVcc 2 5572 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4782 May 31, 2010
by hevans
Cable Driver 2 4457 May 31, 2010
by mongo
Best 9V adapter to use 2 4897 May 28, 2010
by mongo
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by mongo
Servo question 3 4609 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5315 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5157 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6843 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11755 May 21, 2010
by hevans
Chinese Solenoid 15 5129 May 10, 2010
by treymd
avrisp mkii circuit 4 6344 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4686 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 9993 May 07, 2010
by rajabalu21
Simple Power Switch 6 4781 May 05, 2010
by avicell
I can haz speed! 3 5126 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6628 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5461 April 21, 2010
by bretm
Help with choosing the right resistor 10 6572 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11244 April 15, 2010
by bretm
Resistor 4 4488 April 15, 2010
by mongo
MCU digital input pins 3 4669 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4973 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10852 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6929 March 28, 2010
by carlhako
Laptop ground safety question 3 5014 March 27, 2010
by ese
LM34 R-C Damper 5 6580 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5303 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4588 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6618 March 23, 2010
by ese
constant system reset 3 4499 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5258 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6329 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5599 March 17, 2010
by Frozenlock
What is -VS? 6 8654 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6415 March 04, 2010
by treymd
Using MCU to connect two wires 3 5494 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10217 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 5297 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4693 March 01, 2010
by nrotstan
Understanding LEDs 16 7879 March 01, 2010
by michaeldallas
What's the part I need? 5 4804 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11828 February 23, 2010
by rajabalu21
Too much power? 14 5543 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6221 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6148 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13625 February 18, 2010
by Rick_S
Serial port interface circuit 2 5704 February 17, 2010
by mongo
OBDII project 3 4760 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8331 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7504 February 13, 2010
by BobaMosfet
Digital pots 5 5001 January 31, 2010
by sepeters
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by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6173 January 23, 2010
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How to stop a flip flop counter from... hum.... counting? 4 7577 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7721 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5578 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7309 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11123 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5929 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5152 December 27, 2009
by jgauthier
Servo Signal Noise 2 4714 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8065 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11514 December 10, 2009
by georgio
Relays and transistors 12 9513 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9577 December 09, 2009
by Rick_S
IR Detector 7 9068 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5766 November 19, 2009
by mikedoug
Debug with lcd 6 5716 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5197 November 15, 2009
by tech20
Understanding output pin characteristics 4 5082 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7061 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5369 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 48924 October 30, 2009
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DIY header unit 2 5548 October 10, 2009
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Thermostat Logging 6 7192 October 09, 2009
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Understanding transistors 6 6898 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10862 October 07, 2009
by mikedoug
Currant booster 3 4701 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5696 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13699 August 27, 2009
by hevans
Which LED? 14 5452 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6487 August 07, 2009
by mongo
pull up, pull down resistors 7 17880 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11821 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7728 August 05, 2009
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Power MOSFET - Understanding and headaches 4 7113 July 07, 2009
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Reset switch for circuit 3 5372 June 27, 2009
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Online circuit simulator/intuition builder 2 31988 June 16, 2009
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I don't understand the cap on the MC power supply 12 6484 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5252 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5397 May 31, 2009
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Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5887 May 31, 2009
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Dimming LCD Problem 6 5220 May 06, 2009
by paulip

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