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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 9101 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8427 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 7146 April 12, 2016
by Ralphxyz
USBasp Help! 3 6053 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8349 May 04, 2015
by mongo
Need to replace Wall Watt 16 5547 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5184 April 10, 2015
by Noter
My new 3D Printer 44 20760 April 07, 2015
by Rick_S
AtMega 644 2 5191 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4249 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4940 June 02, 2014
by JKITSON
Automated programming mode? 9 5222 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4792 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4830 January 28, 2014
by lailai
What kind of error is this? 4 4593 January 23, 2014
by Noter
How to double a DC voltage? 20 12073 January 12, 2014
by JKITSON
Is the code the driver? 2 4508 January 12, 2014
by Ralphxyz
Miniature headers 6 4717 January 01, 2014
by Ralphxyz
BLDC 8 4824 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5420 November 26, 2013
by Rick_S
GLCD SPI problems 14 8727 November 10, 2013
by andyi
Moving on... 7 4621 November 08, 2013
by Pr0ject
Power supply questions 4 6194 October 31, 2013
by sask55
OLED 4 4382 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16513 September 22, 2013
by sask55
Opto Interrupter once again 14 9133 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4785 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11890 September 02, 2013
by Ralphxyz
USB cable specifications 7 6451 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5333 August 27, 2013
by Affarram
XMEGA Breakout 8 5693 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4343 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 5022 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 5055 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11865 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16526 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4356 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4960 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66586 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4146 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4716 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8918 March 14, 2013
by mongo
Current vs Voltage 8 5787 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5375 March 09, 2013
by lnino
Electric current 2 4123 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 7074 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 10020 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9687 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5214 February 24, 2013
by lnino
Relay Question 27 8499 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8187 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5665 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5496 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5297 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4861 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5589 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4886 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5701 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4221 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4278 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4799 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10435 November 18, 2012
by carlhako
SPI slave clock 6 5013 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4382 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31738 October 23, 2012
by Noter
NPN circuit connection quandry 4 4963 September 24, 2012
by edb
Simple I/O circuit 4 4619 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4378 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4131 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6978 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4612 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 7007 September 13, 2012
by dan_engbers
Electronics simulation 8 5246 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7431 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4515 August 20, 2012
by rblalock
louder sound 2 4287 August 18, 2012
by mongo
connector or cable for LCD display? 4 4506 August 13, 2012
by missle3944
Powering L.E.Ds 5 4640 August 09, 2012
by BobaMosfet
Wires in U.K 5 5112 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 5027 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 8199 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7699 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5526 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 23050 July 21, 2012
by lnino
um help 6 4094 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5150 July 18, 2012
by Ralphxyz
help me 11 5016 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4418 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5735 June 24, 2012
by Ralphxyz
HELP 3 4133 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15181 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4258 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6180 June 17, 2012
by RogerFL
Programmable current source 6 6272 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5771 June 11, 2012
by mongo
HELP 6 4475 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4895 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52796 May 24, 2012
by Ralphxyz
i need a code 8 4883 May 15, 2012
by pcbolt
Clock Accuracy 30 9567 May 14, 2012
by HexManiac
Relays and Controlling them 9 4862 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 5122 May 09, 2012
by RogerFL
Powering your NerdKit 7 4700 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4733 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 8018 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5116 April 24, 2012
by pcbolt
Programs will not run 6 4611 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5278 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4916 April 09, 2012
by Ralphxyz
Path Lights controller 2 4479 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4604 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5148 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4695 April 01, 2012
by JamesFysh
Question on LCD screen 5 4720 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4684 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 6018 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5641 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9344 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4782 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 6167 March 15, 2012
by mongo
Digital servo issues! 9 5330 March 15, 2012
by Rick_S
Brushless motor control 16 5662 March 12, 2012
by hevans
Windows not detecting device 3 4453 March 10, 2012
by hevans
Voltage throught MCU 5 4465 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20391 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 12257 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21734 March 01, 2012
by hevans
Up and running... 3 4255 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4921 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5264 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4484 February 24, 2012
by Rick_S
programming lcd trubs 7 4617 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5277 February 18, 2012
by Rick_S
Oscilloscope 15 6586 February 18, 2012
by Osarus
How far away can a LM34 be? 16 11117 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5715 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4896 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 12266 February 09, 2012
by mongo
Data transmission 3 5436 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5245 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6828 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4772 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4272 January 31, 2012
by tchilzer2
H bridge questions 6 5071 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4825 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5253 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5461 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8586 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 5123 January 15, 2012
by Rick_S
Source of power? 19 5279 January 13, 2012
by mongo
symbol defined please? 4 4912 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18350 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4829 January 06, 2012
by boxvic
Basic LED circuit properties 8 5048 January 06, 2012
by boxvic
Getting Started 3 4524 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5713 January 02, 2012
by bodangly
SMD reflow 16 5837 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4762 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5439 December 23, 2011
by BobaMosfet
Potentiometer 8 6448 December 23, 2011
by huzbum
Fun with Op-Amps 3 6662 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5740 December 19, 2011
by n1cl3
Odessy of the minds 5 4959 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4349 November 27, 2011
by sazD
Initial Load 2 4983 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5734 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6408 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 5054 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10247 November 10, 2011
by jfbrink
Servo Squitter Project 13 4822 November 09, 2011
by Heed
how do i run a program 4 4368 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4613 November 07, 2011
by Heed
Motor control question 2 4413 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10167 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4686 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4578 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 98162 October 24, 2011
by glendon
Measuring Capacitance 9 6116 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4708 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6466 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23499 October 16, 2011
by sask55
RxD / TxD Questions 10 8088 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4804 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4695 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4982 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4474 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 14489 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6179 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24756 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13483 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4411 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 8021 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14199 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 9160 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5571 September 01, 2011
by BobaMosfet
Dim LED 3 4386 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4893 August 23, 2011
by Twarter369
Easy Transistor Question 4 5564 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7516 August 18, 2011
by Ralphxyz
Building a coil?? 12 7332 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4796 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4455 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4276 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4222 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24393 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5539 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4948 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4659 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4696 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7533 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4377 July 17, 2011
by codenamejupiterx
avr macpack 3 4737 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4740 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4848 July 13, 2011
by BobaMosfet
Battery clip wires 3 4271 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4171 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4463 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4713 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5177 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25562 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4680 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4907 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 7055 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4992 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4993 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4864 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5529 June 06, 2011
by mja
A couple of questions 3 4606 June 06, 2011
by Ralphxyz
How much should I strip? 3 4651 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5143 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4553 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4865 May 29, 2011
by Rick_S
Digital Input Question 4 4623 May 28, 2011
by frankdwest
PCB arrived 20 4602 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5252 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24369 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5189 May 09, 2011
by Noter
IR current 6 4901 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5668 May 04, 2011
by hariharan
Heat sensors 21 6018 May 04, 2011
by Hexorg
error 1 2 4487 May 02, 2011
by hevans
Transistor vs mosfet 13 12825 May 01, 2011
by Noter
PCB trace width calculator 3 6047 April 24, 2011
by esoderberg
OLED display 10 5772 April 23, 2011
by Rick_S
Power Supplies 17 6325 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4406 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5124 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4586 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5611 April 19, 2011
by mongo
Connecting to external control voltages 4 4543 April 19, 2011
by bretm
IR current question 7 4667 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5461 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5657 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4903 April 10, 2011
by uml_12
Basic projects 3 4574 April 09, 2011
by mongo
REFLOW oven 22 7550 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 15018 April 07, 2011
by bretm
unexpected MCU rebooting 82 9686 April 05, 2011
by sask55
REFLOW Soldering 3 5566 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4889 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7263 March 30, 2011
by bretm
Black Display on LCD 6 4847 March 28, 2011
by Druidman
32kHz clock 2 4500 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11858 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12443 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6720 March 16, 2011
by mongo
LCD problem 3 4896 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5535 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5596 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4597 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8373 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5579 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5489 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12547 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9330 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6185 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9676 February 19, 2011
by Lusitania
My first Impression 6 5027 February 16, 2011
by devinsbusiness
Understanding battery life 3 6366 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5905 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5564 February 05, 2011
by BobaMosfet
High voltage lines 26 7779 February 02, 2011
by mongo
USB 3 4551 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5642 February 02, 2011
by Jalex
Alternating LED circuit 4 5518 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6857 January 31, 2011
by il1019
Affordable oscilloscopes 43 15317 January 27, 2011
by BStory
"And"gate unfinished thought 2 4716 January 27, 2011
by Hexorg
replace MCU? 30 9857 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5301 January 25, 2011
by Ralphxyz
Multimeter! 12 7568 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6217 January 25, 2011
by Jalex
My LED Cube so far 25 11005 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 6005 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5446 January 18, 2011
by dgikuljot
Counting 5 4682 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9320 January 17, 2011
by bretm
Programming 5 5547 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5742 January 11, 2011
by Yourself
Begining 7 5827 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6196 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5520 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4853 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5387 January 06, 2011
by Mujda
Data input voltage 6 5374 January 03, 2011
by Rick_S
MOSFET Question 7 5574 December 31, 2010
by Keyster
Transistor as a switch 5 5578 December 29, 2010
by Hexorg
Resistors 5 5946 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10899 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5788 December 28, 2010
by BobaMosfet
Relay ratings 2 5088 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20477 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4934 December 17, 2010
by mongo
Power Rectifier 7 7241 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7579 December 14, 2010
by danuke
This a decent oscilloscope? 8 5340 December 14, 2010
by danuke
Do resistors in series really add up? 8 6776 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6159 December 09, 2010
by bretm
L293 H-Bridge 15 6853 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 7081 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7264 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6140 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6671 November 24, 2010
by BobaMosfet
Op-amp not working 6 6936 November 24, 2010
by BobaMosfet
Python questions 4 5890 November 21, 2010
by tkopriva
CE Amp design 5 5446 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5331 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5198 November 05, 2010
by Mujda
PC4 not working?! 8 5050 November 04, 2010
by hapshetsut
Amplifiers 4 4993 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5872 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5973 October 04, 2010
by Scythium
radio interference from NerdKit 11 5083 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9706 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5570 September 11, 2010
by akajester
QFP and dreadboard 2 5467 September 02, 2010
by bretm
Getting power to the spinning part... 5 5304 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13290 August 30, 2010
by Ralphxyz
morse code decoder 2 5413 August 26, 2010
by jonathan_m
Connecting to Computer 3 5400 August 25, 2010
by awesome
555 astable on breadboard 12 6917 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 5025 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5521 August 19, 2010
by hevans
mosfet 3 4790 August 13, 2010
by hevans
Good material on learning electronics. 8 5802 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4685 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7454 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6630 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 10094 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 7089 July 02, 2010
by mongo
Electro Cardio Gram 4 5993 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4727 June 12, 2010
by Wobbler
Voltage Regulator 20 6469 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 6012 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6685 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6317 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5525 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4749 June 06, 2010
by Kafke
TSSOP IC! 4 5523 June 03, 2010
by mrobbins
AVcc 2 5750 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4961 May 31, 2010
by hevans
Cable Driver 2 4637 May 31, 2010
by mongo
Best 9V adapter to use 2 5068 May 28, 2010
by mongo
Unidirectional microphones 5 5307 May 27, 2010
by mongo
Servo question 3 4813 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5490 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5340 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 7007 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 12032 May 21, 2010
by hevans
Chinese Solenoid 15 5339 May 10, 2010
by treymd
avrisp mkii circuit 4 6511 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4862 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10261 May 07, 2010
by rajabalu21
Simple Power Switch 6 4950 May 05, 2010
by avicell
I can haz speed! 3 5304 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6833 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5661 April 21, 2010
by bretm
Help with choosing the right resistor 10 6751 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11578 April 15, 2010
by bretm
Resistor 4 4665 April 15, 2010
by mongo
MCU digital input pins 3 4869 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5160 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 11047 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 7098 March 28, 2010
by carlhako
Laptop ground safety question 3 5164 March 27, 2010
by ese
LM34 R-C Damper 5 6779 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5470 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4766 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6800 March 23, 2010
by ese
constant system reset 3 4671 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5450 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6541 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5764 March 17, 2010
by Frozenlock
What is -VS? 6 8864 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6572 March 04, 2010
by treymd
Using MCU to connect two wires 3 5660 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10526 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 5102 March 02, 2010
by Solorbob
Deciphering power resistors 11 5501 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4859 March 01, 2010
by nrotstan
Understanding LEDs 16 8119 March 01, 2010
by michaeldallas
What's the part I need? 5 4976 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 12037 February 23, 2010
by rajabalu21
Too much power? 14 5729 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6387 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6353 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13933 February 18, 2010
by Rick_S
Serial port interface circuit 2 5875 February 17, 2010
by mongo
OBDII project 3 4938 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8567 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7717 February 13, 2010
by BobaMosfet
Digital pots 5 5179 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5504 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6374 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7789 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7941 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5724 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7562 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11456 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 6131 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5328 December 27, 2009
by jgauthier
Servo Signal Noise 2 4885 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8264 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11747 December 10, 2009
by georgio
Relays and transistors 12 9717 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9779 December 09, 2009
by Rick_S
IR Detector 7 9340 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5929 November 19, 2009
by mikedoug
Debug with lcd 6 5895 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5344 November 15, 2009
by tech20
Understanding output pin characteristics 4 5272 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7288 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5556 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49524 October 30, 2009
by BobaMosfet
DIY header unit 2 5728 October 10, 2009
by rusirius
Thermostat Logging 6 7396 October 09, 2009
by luke
Understanding transistors 6 7056 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 11049 October 07, 2009
by mikedoug
Currant booster 3 4893 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5855 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13928 August 27, 2009
by hevans
Which LED? 14 5646 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6685 August 07, 2009
by mongo
pull up, pull down resistors 7 18100 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 12121 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7935 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7320 July 07, 2009
by sector0
Reset switch for circuit 3 5534 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32191 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6678 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5424 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5596 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 6048 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5405 May 06, 2009
by paulip

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