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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8827 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8221 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6946 April 12, 2016
by Ralphxyz
USBasp Help! 3 5848 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8087 May 04, 2015
by mongo
Need to replace Wall Watt 16 5348 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5005 April 10, 2015
by Noter
My new 3D Printer 44 20575 April 07, 2015
by Rick_S
AtMega 644 2 5061 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4105 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4781 June 02, 2014
by JKITSON
Automated programming mode? 9 5061 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4633 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4675 January 28, 2014
by lailai
What kind of error is this? 4 4475 January 23, 2014
by Noter
How to double a DC voltage? 20 11870 January 12, 2014
by JKITSON
Is the code the driver? 2 4353 January 12, 2014
by Ralphxyz
Miniature headers 6 4576 January 01, 2014
by Ralphxyz
BLDC 8 4659 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5255 November 26, 2013
by Rick_S
GLCD SPI problems 14 8521 November 10, 2013
by andyi
Moving on... 7 4474 November 08, 2013
by Pr0ject
Power supply questions 4 6033 October 31, 2013
by sask55
OLED 4 4230 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16234 September 22, 2013
by sask55
Opto Interrupter once again 14 8911 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4646 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11643 September 02, 2013
by Ralphxyz
USB cable specifications 7 6176 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5163 August 27, 2013
by Affarram
XMEGA Breakout 8 5520 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4202 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4870 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4914 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11286 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15909 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4191 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4804 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66208 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3997 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4552 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8721 March 14, 2013
by mongo
Current vs Voltage 8 5627 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5215 March 09, 2013
by lnino
Electric current 2 3991 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6929 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9680 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9187 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5074 February 24, 2013
by lnino
Relay Question 27 8327 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8012 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5498 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5374 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5144 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4732 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5395 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4722 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5551 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4069 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4146 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4625 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10165 November 18, 2012
by carlhako
SPI slave clock 6 4863 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4247 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31111 October 23, 2012
by Noter
NPN circuit connection quandry 4 4824 September 24, 2012
by edb
Simple I/O circuit 4 4479 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4261 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3981 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6789 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4473 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6856 September 13, 2012
by dan_engbers
Electronics simulation 8 5111 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7247 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4385 August 20, 2012
by rblalock
louder sound 2 4152 August 18, 2012
by mongo
connector or cable for LCD display? 4 4369 August 13, 2012
by missle3944
Powering L.E.Ds 5 4502 August 09, 2012
by BobaMosfet
Wires in U.K 5 4971 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4881 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7863 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7533 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5330 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22837 July 21, 2012
by lnino
um help 6 3961 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5010 July 18, 2012
by Ralphxyz
help me 11 4869 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4260 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5571 June 24, 2012
by Ralphxyz
HELP 3 4012 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14979 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4121 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6051 June 17, 2012
by RogerFL
Programmable current source 6 6079 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5638 June 11, 2012
by mongo
HELP 6 4342 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4739 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 51911 May 24, 2012
by Ralphxyz
i need a code 8 4745 May 15, 2012
by pcbolt
Clock Accuracy 30 9408 May 14, 2012
by HexManiac
Relays and Controlling them 9 4711 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4982 May 09, 2012
by RogerFL
Powering your NerdKit 7 4568 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4585 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7820 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4991 April 24, 2012
by pcbolt
Programs will not run 6 4481 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5113 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4779 April 09, 2012
by Ralphxyz
Path Lights controller 2 4348 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4463 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4996 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4558 April 01, 2012
by JamesFysh
Question on LCD screen 5 4558 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4523 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5850 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5460 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9178 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4646 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5898 March 15, 2012
by mongo
Digital servo issues! 9 5160 March 15, 2012
by Rick_S
Brushless motor control 16 5505 March 12, 2012
by hevans
Windows not detecting device 3 4301 March 10, 2012
by hevans
Voltage throught MCU 5 4311 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20196 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11928 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21194 March 01, 2012
by hevans
Up and running... 3 4108 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4771 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5125 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4350 February 24, 2012
by Rick_S
programming lcd trubs 7 4465 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5133 February 18, 2012
by Rick_S
Oscilloscope 15 6410 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10917 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5562 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4749 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11523 February 09, 2012
by mongo
Data transmission 3 5298 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5108 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6683 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4595 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4149 January 31, 2012
by tchilzer2
H bridge questions 6 4933 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4685 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5109 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5298 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8429 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4970 January 15, 2012
by Rick_S
Source of power? 19 5102 January 13, 2012
by mongo
symbol defined please? 4 4786 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18117 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4684 January 06, 2012
by boxvic
Basic LED circuit properties 8 4912 January 06, 2012
by boxvic
Getting Started 3 4377 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5572 January 02, 2012
by bodangly
SMD reflow 16 5678 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4638 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5305 December 23, 2011
by BobaMosfet
Potentiometer 8 6264 December 23, 2011
by huzbum
Fun with Op-Amps 3 6505 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5563 December 19, 2011
by n1cl3
Odessy of the minds 5 4828 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4205 November 27, 2011
by sazD
Initial Load 2 4866 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5584 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6268 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4932 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10084 November 10, 2011
by jfbrink
Servo Squitter Project 13 4672 November 09, 2011
by Heed
how do i run a program 4 4233 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4495 November 07, 2011
by Heed
Motor control question 2 4278 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9968 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4547 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4423 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 96765 October 24, 2011
by glendon
Measuring Capacitance 9 5977 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4579 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6337 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23020 October 16, 2011
by sask55
RxD / TxD Questions 10 7813 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4661 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4559 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4850 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4352 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13826 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6031 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24500 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13196 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4289 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7863 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13952 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8972 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5414 September 01, 2011
by BobaMosfet
Dim LED 3 4243 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4759 August 23, 2011
by Twarter369
Easy Transistor Question 4 5400 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7165 August 18, 2011
by Ralphxyz
Building a coil?? 12 7172 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4663 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4311 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4149 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4086 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24207 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5416 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4818 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4540 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4582 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7360 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4239 July 17, 2011
by codenamejupiterx
avr macpack 3 4607 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4603 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4697 July 13, 2011
by BobaMosfet
Battery clip wires 3 4156 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4039 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4337 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4575 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5027 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25339 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4556 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4787 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6881 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4822 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4846 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4738 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5311 June 06, 2011
by mja
A couple of questions 3 4451 June 06, 2011
by Ralphxyz
How much should I strip? 3 4523 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5015 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4410 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4738 May 29, 2011
by Rick_S
Digital Input Question 4 4476 May 28, 2011
by frankdwest
PCB arrived 20 4465 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5105 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24115 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5057 May 09, 2011
by Noter
IR current 6 4761 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5483 May 04, 2011
by hariharan
Heat sensors 21 5853 May 04, 2011
by Hexorg
error 1 2 4361 May 02, 2011
by hevans
Transistor vs mosfet 13 12618 May 01, 2011
by Noter
PCB trace width calculator 3 5925 April 24, 2011
by esoderberg
OLED display 10 5638 April 23, 2011
by Rick_S
Power Supplies 17 6187 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4286 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4989 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4432 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5462 April 19, 2011
by mongo
Connecting to external control voltages 4 4411 April 19, 2011
by bretm
IR current question 7 4535 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5320 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5512 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4781 April 10, 2011
by uml_12
Basic projects 3 4454 April 09, 2011
by mongo
REFLOW oven 22 7411 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14730 April 07, 2011
by bretm
unexpected MCU rebooting 82 9443 April 05, 2011
by sask55
REFLOW Soldering 3 5398 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4751 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7095 March 30, 2011
by bretm
Black Display on LCD 6 4723 March 28, 2011
by Druidman
32kHz clock 2 4381 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11572 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12121 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6590 March 16, 2011
by mongo
LCD problem 3 4768 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5384 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5465 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4476 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8179 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5414 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5361 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12408 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9135 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6042 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9490 February 19, 2011
by Lusitania
My first Impression 6 4882 February 16, 2011
by devinsbusiness
Understanding battery life 3 6187 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5779 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5413 February 05, 2011
by BobaMosfet
High voltage lines 26 7587 February 02, 2011
by mongo
USB 3 4429 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5504 February 02, 2011
by Jalex
Alternating LED circuit 4 5381 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6713 January 31, 2011
by il1019
Affordable oscilloscopes 43 14948 January 27, 2011
by BStory
"And"gate unfinished thought 2 4577 January 27, 2011
by Hexorg
replace MCU? 30 9665 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5142 January 25, 2011
by Ralphxyz
Multimeter! 12 7429 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6078 January 25, 2011
by Jalex
My LED Cube so far 25 10855 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5871 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5309 January 18, 2011
by dgikuljot
Counting 5 4523 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9176 January 17, 2011
by bretm
Programming 5 5400 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5592 January 11, 2011
by Yourself
Begining 7 5671 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6061 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5393 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4701 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5235 January 06, 2011
by Mujda
Data input voltage 6 5240 January 03, 2011
by Rick_S
MOSFET Question 7 5388 December 31, 2010
by Keyster
Transistor as a switch 5 5436 December 29, 2010
by Hexorg
Resistors 5 5790 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10720 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5647 December 28, 2010
by BobaMosfet
Relay ratings 2 4957 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20292 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4792 December 17, 2010
by mongo
Power Rectifier 7 7083 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7423 December 14, 2010
by danuke
This a decent oscilloscope? 8 5200 December 14, 2010
by danuke
Do resistors in series really add up? 8 6618 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6018 December 09, 2010
by bretm
L293 H-Bridge 15 6710 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6924 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7085 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5997 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6517 November 24, 2010
by BobaMosfet
Op-amp not working 6 6788 November 24, 2010
by BobaMosfet
Python questions 4 5745 November 21, 2010
by tkopriva
CE Amp design 5 5298 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5196 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5058 November 05, 2010
by Mujda
PC4 not working?! 8 4912 November 04, 2010
by hapshetsut
Amplifiers 4 4866 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5725 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5812 October 04, 2010
by Scythium
radio interference from NerdKit 11 4949 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9577 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5424 September 11, 2010
by akajester
QFP and dreadboard 2 5327 September 02, 2010
by bretm
Getting power to the spinning part... 5 5183 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13132 August 30, 2010
by Ralphxyz
morse code decoder 2 5299 August 26, 2010
by jonathan_m
Connecting to Computer 3 5280 August 25, 2010
by awesome
555 astable on breadboard 12 6791 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4903 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5400 August 19, 2010
by hevans
mosfet 3 4664 August 13, 2010
by hevans
Good material on learning electronics. 8 5663 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4548 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7246 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6486 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9870 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6958 July 02, 2010
by mongo
Electro Cardio Gram 4 5836 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4605 June 12, 2010
by Wobbler
Voltage Regulator 20 6327 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5877 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6542 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6197 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5385 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4614 June 06, 2010
by Kafke
TSSOP IC! 4 5394 June 03, 2010
by mrobbins
AVcc 2 5624 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4821 May 31, 2010
by hevans
Cable Driver 2 4504 May 31, 2010
by mongo
Best 9V adapter to use 2 4942 May 28, 2010
by mongo
Unidirectional microphones 5 5188 May 27, 2010
by mongo
Servo question 3 4661 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5352 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5206 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6884 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11828 May 21, 2010
by hevans
Chinese Solenoid 15 5183 May 10, 2010
by treymd
avrisp mkii circuit 4 6388 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4728 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10067 May 07, 2010
by rajabalu21
Simple Power Switch 6 4820 May 05, 2010
by avicell
I can haz speed! 3 5170 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6672 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5510 April 21, 2010
by bretm
Help with choosing the right resistor 10 6616 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11359 April 15, 2010
by bretm
Resistor 4 4523 April 15, 2010
by mongo
MCU digital input pins 3 4729 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5009 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10899 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6969 March 28, 2010
by carlhako
Laptop ground safety question 3 5047 March 27, 2010
by ese
LM34 R-C Damper 5 6623 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5344 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4650 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6659 March 23, 2010
by ese
constant system reset 3 4537 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5306 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6386 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5640 March 17, 2010
by Frozenlock
What is -VS? 6 8702 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6450 March 04, 2010
by treymd
Using MCU to connect two wires 3 5534 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10299 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4966 March 02, 2010
by Solorbob
Deciphering power resistors 11 5354 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4736 March 01, 2010
by nrotstan
Understanding LEDs 16 7947 March 01, 2010
by michaeldallas
What's the part I need? 5 4846 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11879 February 23, 2010
by rajabalu21
Too much power? 14 5590 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6258 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6201 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13713 February 18, 2010
by Rick_S
Serial port interface circuit 2 5745 February 17, 2010
by mongo
OBDII project 3 4808 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8407 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7564 February 13, 2010
by BobaMosfet
Digital pots 5 5033 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5362 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6240 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7641 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7779 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5609 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7376 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11184 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5979 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5190 December 27, 2009
by jgauthier
Servo Signal Noise 2 4751 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8127 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11573 December 10, 2009
by georgio
Relays and transistors 12 9566 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9632 December 09, 2009
by Rick_S
IR Detector 7 9149 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5807 November 19, 2009
by mikedoug
Debug with lcd 6 5759 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5236 November 15, 2009
by tech20
Understanding output pin characteristics 4 5140 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7134 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5415 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49038 October 30, 2009
by BobaMosfet
DIY header unit 2 5587 October 10, 2009
by rusirius
Thermostat Logging 6 7248 October 09, 2009
by luke
Understanding transistors 6 6936 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10911 October 07, 2009
by mikedoug
Currant booster 3 4750 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5734 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13761 August 27, 2009
by hevans
Which LED? 14 5496 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6531 August 07, 2009
by mongo
pull up, pull down resistors 7 17939 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11922 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7778 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7166 July 07, 2009
by sector0
Reset switch for circuit 3 5404 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32028 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6535 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5295 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5448 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5940 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5275 May 06, 2009
by paulip

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