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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8482 July 27, 2019
by BobaMosfet
mosfet control during start up 5 7983 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6746 April 12, 2016
by Ralphxyz
USBasp Help! 3 5654 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 7846 May 04, 2015
by mongo
Need to replace Wall Watt 16 5156 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4835 April 10, 2015
by Noter
My new 3D Printer 44 20383 April 07, 2015
by Rick_S
AtMega 644 2 4949 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 3990 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4584 June 02, 2014
by JKITSON
Automated programming mode? 9 4887 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4497 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4457 January 28, 2014
by lailai
What kind of error is this? 4 4363 January 23, 2014
by Noter
How to double a DC voltage? 20 11655 January 12, 2014
by JKITSON
Is the code the driver? 2 4161 January 12, 2014
by Ralphxyz
Miniature headers 6 4463 January 01, 2014
by Ralphxyz
BLDC 8 4489 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5031 November 26, 2013
by Rick_S
GLCD SPI problems 14 8335 November 10, 2013
by andyi
Moving on... 7 4328 November 08, 2013
by Pr0ject
Power supply questions 4 5801 October 31, 2013
by sask55
OLED 4 4060 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 15929 September 22, 2013
by sask55
Opto Interrupter once again 14 8663 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4519 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11402 September 02, 2013
by Ralphxyz
USB cable specifications 7 5875 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 4935 August 27, 2013
by Affarram
XMEGA Breakout 8 5321 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4058 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4733 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4759 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 10913 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15533 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4048 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4666 April 08, 2013
by pcbolt
Using diode to drop voltage 12 65673 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3886 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4360 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8500 March 14, 2013
by mongo
Current vs Voltage 8 5437 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5074 March 09, 2013
by lnino
Electric current 2 3867 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6807 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9455 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 8852 February 28, 2013
by BobaMosfet
Control electronic door opener 15 4900 February 24, 2013
by lnino
Relay Question 27 8140 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7802 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5333 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5249 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 4975 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4587 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5177 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4539 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5395 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 3940 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4030 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4517 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 9876 November 18, 2012
by carlhako
SPI slave clock 6 4705 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4129 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 30556 October 23, 2012
by Noter
NPN circuit connection quandry 4 4687 September 24, 2012
by edb
Simple I/O circuit 4 4341 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4140 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3791 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6511 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4352 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6713 September 13, 2012
by dan_engbers
Electronics simulation 8 5004 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7080 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4260 August 20, 2012
by rblalock
louder sound 2 4030 August 18, 2012
by mongo
connector or cable for LCD display? 4 4247 August 13, 2012
by missle3944
Powering L.E.Ds 5 4372 August 09, 2012
by BobaMosfet
Wires in U.K 5 4843 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4763 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7661 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7384 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5154 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22638 July 21, 2012
by lnino
um help 6 3842 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4871 July 18, 2012
by Ralphxyz
help me 11 4723 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4133 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5404 June 24, 2012
by Ralphxyz
HELP 3 3892 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14766 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4004 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5921 June 17, 2012
by RogerFL
Programmable current source 6 5840 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5510 June 11, 2012
by mongo
HELP 6 4209 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4577 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 50143 May 24, 2012
by Ralphxyz
i need a code 8 4609 May 15, 2012
by pcbolt
Clock Accuracy 30 9244 May 14, 2012
by HexManiac
Relays and Controlling them 9 4560 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4843 May 09, 2012
by RogerFL
Powering your NerdKit 7 4428 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4454 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7640 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4878 April 24, 2012
by pcbolt
Programs will not run 6 4341 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 4967 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4648 April 09, 2012
by Ralphxyz
Path Lights controller 2 4204 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4324 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4834 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4427 April 01, 2012
by JamesFysh
Question on LCD screen 5 4439 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4384 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5648 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5288 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9000 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4507 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5642 March 15, 2012
by mongo
Digital servo issues! 9 5009 March 15, 2012
by Rick_S
Brushless motor control 16 5367 March 12, 2012
by hevans
Windows not detecting device 3 4162 March 10, 2012
by hevans
Voltage throught MCU 5 4185 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 19916 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11679 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 20769 March 01, 2012
by hevans
Up and running... 3 3969 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4637 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 4986 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4212 February 24, 2012
by Rick_S
programming lcd trubs 7 4270 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 4993 February 18, 2012
by Rick_S
Oscilloscope 15 6263 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10673 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5427 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4605 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11115 February 09, 2012
by mongo
Data transmission 3 5187 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 4977 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6517 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4462 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4035 January 31, 2012
by tchilzer2
H bridge questions 6 4798 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4534 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 4919 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5141 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8261 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4812 January 15, 2012
by Rick_S
Source of power? 19 4931 January 13, 2012
by mongo
symbol defined please? 4 4671 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 17774 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4545 January 06, 2012
by boxvic
Basic LED circuit properties 8 4771 January 06, 2012
by boxvic
Getting Started 3 4258 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5439 January 02, 2012
by bodangly
SMD reflow 16 5526 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4502 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5187 December 23, 2011
by BobaMosfet
Potentiometer 8 6045 December 23, 2011
by huzbum
Fun with Op-Amps 3 6339 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5417 December 19, 2011
by n1cl3
Odessy of the minds 5 4708 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4077 November 27, 2011
by sazD
Initial Load 2 4744 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5420 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6114 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4796 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 9865 November 10, 2011
by jfbrink
Servo Squitter Project 13 4524 November 09, 2011
by Heed
how do i run a program 4 4132 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4370 November 07, 2011
by Heed
Motor control question 2 4171 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9722 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4405 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4305 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 95878 October 24, 2011
by glendon
Measuring Capacitance 9 5826 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4461 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6180 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 22575 October 16, 2011
by sask55
RxD / TxD Questions 10 7564 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4542 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4437 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4693 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4239 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13356 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5878 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24267 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 12879 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4172 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7698 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13608 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8811 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5262 September 01, 2011
by BobaMosfet
Dim LED 3 4107 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4634 August 23, 2011
by Twarter369
Easy Transistor Question 4 5253 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 6970 August 18, 2011
by Ralphxyz
Building a coil?? 12 7008 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4545 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4196 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4018 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 3968 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 23944 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5286 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4708 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4415 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4453 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7229 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4101 July 17, 2011
by codenamejupiterx
avr macpack 3 4487 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4447 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4521 July 13, 2011
by BobaMosfet
Battery clip wires 3 4056 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3913 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4211 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4448 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4836 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25077 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4420 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4643 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6719 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4675 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4707 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4630 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5154 June 06, 2011
by mja
A couple of questions 3 4328 June 06, 2011
by Ralphxyz
How much should I strip? 3 4399 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4879 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4263 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4600 May 29, 2011
by Rick_S
Digital Input Question 4 4347 May 28, 2011
by frankdwest
PCB arrived 20 4335 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 4991 May 24, 2011
by gcharris
Calculating bypass capacitor 6 23834 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 4935 May 09, 2011
by Noter
IR current 6 4647 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5342 May 04, 2011
by hariharan
Heat sensors 21 5700 May 04, 2011
by Hexorg
error 1 2 4178 May 02, 2011
by hevans
Transistor vs mosfet 13 12385 May 01, 2011
by Noter
PCB trace width calculator 3 5789 April 24, 2011
by esoderberg
OLED display 10 5478 April 23, 2011
by Rick_S
Power Supplies 17 6040 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4163 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4879 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4304 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5334 April 19, 2011
by mongo
Connecting to external control voltages 4 4294 April 19, 2011
by bretm
IR current question 7 4406 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5188 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5354 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4655 April 10, 2011
by uml_12
Basic projects 3 4314 April 09, 2011
by mongo
REFLOW oven 22 7265 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14451 April 07, 2011
by bretm
unexpected MCU rebooting 82 9260 April 05, 2011
by sask55
REFLOW Soldering 3 5242 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4628 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 6949 March 30, 2011
by bretm
Black Display on LCD 6 4610 March 28, 2011
by Druidman
32kHz clock 2 4247 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11379 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 11787 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6432 March 16, 2011
by mongo
LCD problem 3 4654 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5221 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5353 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4361 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 7952 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5270 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5234 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12279 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 8905 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5889 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9357 February 19, 2011
by Lusitania
My first Impression 6 4728 February 16, 2011
by devinsbusiness
Understanding battery life 3 6010 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5647 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5262 February 05, 2011
by BobaMosfet
High voltage lines 26 7413 February 02, 2011
by mongo
USB 3 4325 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5341 February 02, 2011
by Jalex
Alternating LED circuit 4 5262 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6574 January 31, 2011
by il1019
Affordable oscilloscopes 43 14543 January 27, 2011
by BStory
"And"gate unfinished thought 2 4441 January 27, 2011
by Hexorg
replace MCU? 30 9439 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 4993 January 25, 2011
by Ralphxyz
Multimeter! 12 7275 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 5921 January 25, 2011
by Jalex
My LED Cube so far 25 10712 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5761 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5185 January 18, 2011
by dgikuljot
Counting 5 4375 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9018 January 17, 2011
by bretm
Programming 5 5231 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5461 January 11, 2011
by Yourself
Begining 7 5533 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 5919 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5267 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4567 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5103 January 06, 2011
by Mujda
Data input voltage 6 5099 January 03, 2011
by Rick_S
MOSFET Question 7 5249 December 31, 2010
by Keyster
Transistor as a switch 5 5277 December 29, 2010
by Hexorg
Resistors 5 5624 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10487 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5477 December 28, 2010
by BobaMosfet
Relay ratings 2 4820 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20104 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4674 December 17, 2010
by mongo
Power Rectifier 7 5218 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7203 December 14, 2010
by danuke
This a decent oscilloscope? 8 5060 December 14, 2010
by danuke
Do resistors in series really add up? 8 6437 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5869 December 09, 2010
by bretm
L293 H-Bridge 15 6541 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6739 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 6917 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5836 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6344 November 24, 2010
by BobaMosfet
Op-amp not working 6 6642 November 24, 2010
by BobaMosfet
Python questions 4 5628 November 21, 2010
by tkopriva
CE Amp design 5 5127 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5071 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4893 November 05, 2010
by Mujda
PC4 not working?! 8 4745 November 04, 2010
by hapshetsut
Amplifiers 4 4740 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5599 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5676 October 04, 2010
by Scythium
radio interference from NerdKit 11 4774 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9407 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5298 September 11, 2010
by akajester
QFP and dreadboard 2 5192 September 02, 2010
by bretm
Getting power to the spinning part... 5 5068 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 12930 August 30, 2010
by Ralphxyz
morse code decoder 2 5182 August 26, 2010
by jonathan_m
Connecting to Computer 3 5139 August 25, 2010
by awesome
555 astable on breadboard 12 6660 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4758 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5269 August 19, 2010
by hevans
mosfet 3 4544 August 13, 2010
by hevans
Good material on learning electronics. 8 5532 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4422 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7039 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6354 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9628 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6820 July 02, 2010
by mongo
Electro Cardio Gram 4 5659 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4491 June 12, 2010
by Wobbler
Voltage Regulator 20 6178 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5737 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6381 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6055 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5246 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4483 June 06, 2010
by Kafke
TSSOP IC! 4 5254 June 03, 2010
by mrobbins
AVcc 2 5502 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4700 May 31, 2010
by hevans
Cable Driver 2 4382 May 31, 2010
by mongo
Best 9V adapter to use 2 4814 May 28, 2010
by mongo
Unidirectional microphones 5 5051 May 27, 2010
by mongo
Servo question 3 4531 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5225 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5071 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6726 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11529 May 21, 2010
by hevans
Chinese Solenoid 15 5001 May 10, 2010
by treymd
avrisp mkii circuit 4 6269 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4602 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 9850 May 07, 2010
by rajabalu21
Simple Power Switch 6 4696 May 05, 2010
by avicell
I can haz speed! 3 5039 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6525 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5381 April 21, 2010
by bretm
Help with choosing the right resistor 10 6469 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11018 April 15, 2010
by bretm
Resistor 4 4398 April 15, 2010
by mongo
MCU digital input pins 3 4590 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4880 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10753 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6841 March 28, 2010
by carlhako
Laptop ground safety question 3 4915 March 27, 2010
by ese
LM34 R-C Damper 5 6499 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5207 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4480 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6530 March 23, 2010
by ese
constant system reset 3 4407 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5176 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6207 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5520 March 17, 2010
by Frozenlock
What is -VS? 6 8545 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6343 March 04, 2010
by treymd
Using MCU to connect two wires 3 5398 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 9973 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4835 March 02, 2010
by Solorbob
Deciphering power resistors 11 5194 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4604 March 01, 2010
by nrotstan
Understanding LEDs 16 7730 March 01, 2010
by michaeldallas
What's the part I need? 5 4715 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11714 February 23, 2010
by rajabalu21
Too much power? 14 5447 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6119 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6043 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13424 February 18, 2010
by Rick_S
Serial port interface circuit 2 5614 February 17, 2010
by mongo
OBDII project 3 4687 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8181 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7388 February 13, 2010
by BobaMosfet
Digital pots 5 4922 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5205 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6054 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7434 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7625 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5488 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7175 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 10975 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5807 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5077 December 27, 2009
by jgauthier
Servo Signal Noise 2 4637 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 7946 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11403 December 10, 2009
by georgio
Relays and transistors 12 9418 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9463 December 09, 2009
by Rick_S
IR Detector 7 8906 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5656 November 19, 2009
by mikedoug
Debug with lcd 6 5622 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5119 November 15, 2009
by tech20
Understanding output pin characteristics 4 4984 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 6915 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5247 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 48639 October 30, 2009
by BobaMosfet
DIY header unit 2 5476 October 10, 2009
by rusirius
Thermostat Logging 6 7086 October 09, 2009
by luke
Understanding transistors 6 6804 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10747 October 07, 2009
by mikedoug
Currant booster 3 4623 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5613 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13564 August 27, 2009
by hevans
Which LED? 14 5347 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6366 August 07, 2009
by mongo
pull up, pull down resistors 7 17780 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11685 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7615 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7023 July 07, 2009
by sector0
Reset switch for circuit 3 5287 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31909 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6385 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5172 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5298 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5800 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5131 May 06, 2009
by paulip

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