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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8950 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8314 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 7034 April 12, 2016
by Ralphxyz
USBasp Help! 3 5939 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8215 May 04, 2015
by mongo
Need to replace Wall Watt 16 5435 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5082 April 10, 2015
by Noter
My new 3D Printer 44 20669 April 07, 2015
by Rick_S
AtMega 644 2 5120 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4163 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4849 June 02, 2014
by JKITSON
Automated programming mode? 9 5133 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4708 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4739 January 28, 2014
by lailai
What kind of error is this? 4 4530 January 23, 2014
by Noter
How to double a DC voltage? 20 11955 January 12, 2014
by JKITSON
Is the code the driver? 2 4426 January 12, 2014
by Ralphxyz
Miniature headers 6 4643 January 01, 2014
by Ralphxyz
BLDC 8 4740 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5334 November 26, 2013
by Rick_S
GLCD SPI problems 14 8595 November 10, 2013
by andyi
Moving on... 7 4531 November 08, 2013
by Pr0ject
Power supply questions 4 6106 October 31, 2013
by sask55
OLED 4 4304 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16343 September 22, 2013
by sask55
Opto Interrupter once again 14 8995 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4708 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11757 September 02, 2013
by Ralphxyz
USB cable specifications 7 6294 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5240 August 27, 2013
by Affarram
XMEGA Breakout 8 5607 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4259 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4936 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4979 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11650 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16306 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4275 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4873 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66374 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4070 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4632 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8805 March 14, 2013
by mongo
Current vs Voltage 8 5702 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5277 March 09, 2013
by lnino
Electric current 2 4049 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6991 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9887 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9504 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5131 February 24, 2013
by lnino
Relay Question 27 8399 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8090 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5574 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5428 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5210 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4792 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5489 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4794 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5617 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4133 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4200 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4693 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10288 November 18, 2012
by carlhako
SPI slave clock 6 4927 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4310 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31387 October 23, 2012
by Noter
NPN circuit connection quandry 4 4887 September 24, 2012
by edb
Simple I/O circuit 4 4540 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4310 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4051 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6875 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4533 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6927 September 13, 2012
by dan_engbers
Electronics simulation 8 5165 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7340 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4440 August 20, 2012
by rblalock
louder sound 2 4213 August 18, 2012
by mongo
connector or cable for LCD display? 4 4434 August 13, 2012
by missle3944
Powering L.E.Ds 5 4559 August 09, 2012
by BobaMosfet
Wires in U.K 5 5030 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4943 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 8072 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7610 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5408 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22941 July 21, 2012
by lnino
um help 6 4019 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5076 July 18, 2012
by Ralphxyz
help me 11 4932 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4332 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5651 June 24, 2012
by Ralphxyz
HELP 3 4066 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15072 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4178 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6105 June 17, 2012
by RogerFL
Programmable current source 6 6169 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5701 June 11, 2012
by mongo
HELP 6 4397 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4799 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52535 May 24, 2012
by Ralphxyz
i need a code 8 4799 May 15, 2012
by pcbolt
Clock Accuracy 30 9475 May 14, 2012
by HexManiac
Relays and Controlling them 9 4781 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 5041 May 09, 2012
by RogerFL
Powering your NerdKit 7 4621 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4653 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7908 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5045 April 24, 2012
by pcbolt
Programs will not run 6 4540 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5191 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4839 April 09, 2012
by Ralphxyz
Path Lights controller 2 4402 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4518 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5066 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4612 April 01, 2012
by JamesFysh
Question on LCD screen 5 4632 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4593 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5924 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5532 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9259 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4701 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 6018 March 15, 2012
by mongo
Digital servo issues! 9 5247 March 15, 2012
by Rick_S
Brushless motor control 16 5573 March 12, 2012
by hevans
Windows not detecting device 3 4371 March 10, 2012
by hevans
Voltage throught MCU 5 4384 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20286 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 12130 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21543 March 01, 2012
by hevans
Up and running... 3 4168 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4823 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5180 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4413 February 24, 2012
by Rick_S
programming lcd trubs 7 4530 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5201 February 18, 2012
by Rick_S
Oscilloscope 15 6488 February 18, 2012
by Osarus
How far away can a LM34 be? 16 11006 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5629 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4812 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 12098 February 09, 2012
by mongo
Data transmission 3 5364 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5172 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6743 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4671 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4204 January 31, 2012
by tchilzer2
H bridge questions 6 5000 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4746 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5165 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5369 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8502 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 5031 January 15, 2012
by Rick_S
Source of power? 19 5168 January 13, 2012
by mongo
symbol defined please? 4 4838 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18234 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4745 January 06, 2012
by boxvic
Basic LED circuit properties 8 4971 January 06, 2012
by boxvic
Getting Started 3 4440 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5629 January 02, 2012
by bodangly
SMD reflow 16 5742 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4695 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5359 December 23, 2011
by BobaMosfet
Potentiometer 8 6333 December 23, 2011
by huzbum
Fun with Op-Amps 3 6574 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5655 December 19, 2011
by n1cl3
Odessy of the minds 5 4885 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4268 November 27, 2011
by sazD
Initial Load 2 4912 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5652 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6330 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4981 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10168 November 10, 2011
by jfbrink
Servo Squitter Project 13 4730 November 09, 2011
by Heed
how do i run a program 4 4289 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4544 November 07, 2011
by Heed
Motor control question 2 4329 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10064 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4608 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4501 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 97814 October 24, 2011
by glendon
Measuring Capacitance 9 6030 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4638 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6392 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23287 October 16, 2011
by sask55
RxD / TxD Questions 10 7967 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4725 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4615 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4905 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4402 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 14270 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6098 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24613 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13340 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4343 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7933 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14072 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 9048 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5484 September 01, 2011
by BobaMosfet
Dim LED 3 4310 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4818 August 23, 2011
by Twarter369
Easy Transistor Question 4 5469 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7427 August 18, 2011
by Ralphxyz
Building a coil?? 12 7240 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4724 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4377 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4204 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4144 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24306 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5472 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4881 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4590 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4630 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7437 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4294 July 17, 2011
by codenamejupiterx
avr macpack 3 4670 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4656 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4766 July 13, 2011
by BobaMosfet
Battery clip wires 3 4206 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4103 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4388 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4640 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5101 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25450 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4618 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4844 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6967 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4905 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4922 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4784 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5418 June 06, 2011
by mja
A couple of questions 3 4521 June 06, 2011
by Ralphxyz
How much should I strip? 3 4581 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5064 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4467 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4801 May 29, 2011
by Rick_S
Digital Input Question 4 4536 May 28, 2011
by frankdwest
PCB arrived 20 4522 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5168 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24213 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5120 May 09, 2011
by Noter
IR current 6 4819 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5551 May 04, 2011
by hariharan
Heat sensors 21 5927 May 04, 2011
by Hexorg
error 1 2 4416 May 02, 2011
by hevans
Transistor vs mosfet 13 12717 May 01, 2011
by Noter
PCB trace width calculator 3 5978 April 24, 2011
by esoderberg
OLED display 10 5701 April 23, 2011
by Rick_S
Power Supplies 17 6247 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4339 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5043 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4496 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5519 April 19, 2011
by mongo
Connecting to external control voltages 4 4466 April 19, 2011
by bretm
IR current question 7 4589 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5381 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5576 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4835 April 10, 2011
by uml_12
Basic projects 3 4509 April 09, 2011
by mongo
REFLOW oven 22 7473 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14876 April 07, 2011
by bretm
unexpected MCU rebooting 82 9550 April 05, 2011
by sask55
REFLOW Soldering 3 5478 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4807 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7159 March 30, 2011
by bretm
Black Display on LCD 6 4774 March 28, 2011
by Druidman
32kHz clock 2 4427 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11699 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12298 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6647 March 16, 2011
by mongo
LCD problem 3 4815 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5450 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5524 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4528 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8260 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5479 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5415 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12474 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9220 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6103 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9565 February 19, 2011
by Lusitania
My first Impression 6 4945 February 16, 2011
by devinsbusiness
Understanding battery life 3 6273 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5834 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5479 February 05, 2011
by BobaMosfet
High voltage lines 26 7680 February 02, 2011
by mongo
USB 3 4482 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5566 February 02, 2011
by Jalex
Alternating LED circuit 4 5436 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6781 January 31, 2011
by il1019
Affordable oscilloscopes 43 15175 January 27, 2011
by BStory
"And"gate unfinished thought 2 4638 January 27, 2011
by Hexorg
replace MCU? 30 9758 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5210 January 25, 2011
by Ralphxyz
Multimeter! 12 7500 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6143 January 25, 2011
by Jalex
My LED Cube so far 25 10920 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5930 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5367 January 18, 2011
by dgikuljot
Counting 5 4595 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9252 January 17, 2011
by bretm
Programming 5 5471 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5656 January 11, 2011
by Yourself
Begining 7 5739 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6122 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5447 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4770 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5309 January 06, 2011
by Mujda
Data input voltage 6 5302 January 03, 2011
by Rick_S
MOSFET Question 7 5458 December 31, 2010
by Keyster
Transistor as a switch 5 5497 December 29, 2010
by Hexorg
Resistors 5 5854 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10803 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5714 December 28, 2010
by BobaMosfet
Relay ratings 2 5017 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20371 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4854 December 17, 2010
by mongo
Power Rectifier 7 7147 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7490 December 14, 2010
by danuke
This a decent oscilloscope? 8 5261 December 14, 2010
by danuke
Do resistors in series really add up? 8 6690 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6083 December 09, 2010
by bretm
L293 H-Bridge 15 6772 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6988 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7155 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6056 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6585 November 24, 2010
by BobaMosfet
Op-amp not working 6 6857 November 24, 2010
by BobaMosfet
Python questions 4 5813 November 21, 2010
by tkopriva
CE Amp design 5 5373 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5253 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5114 November 05, 2010
by Mujda
PC4 not working?! 8 4973 November 04, 2010
by hapshetsut
Amplifiers 4 4923 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5794 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5885 October 04, 2010
by Scythium
radio interference from NerdKit 11 5010 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9637 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5485 September 11, 2010
by akajester
QFP and dreadboard 2 5382 September 02, 2010
by bretm
Getting power to the spinning part... 5 5238 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13206 August 30, 2010
by Ralphxyz
morse code decoder 2 5353 August 26, 2010
by jonathan_m
Connecting to Computer 3 5333 August 25, 2010
by awesome
555 astable on breadboard 12 6844 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4959 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5455 August 19, 2010
by hevans
mosfet 3 4719 August 13, 2010
by hevans
Good material on learning electronics. 8 5721 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4603 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7340 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6544 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9964 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 7017 July 02, 2010
by mongo
Electro Cardio Gram 4 5909 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4659 June 12, 2010
by Wobbler
Voltage Regulator 20 6386 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5931 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6604 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6242 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5442 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4673 June 06, 2010
by Kafke
TSSOP IC! 4 5447 June 03, 2010
by mrobbins
AVcc 2 5678 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4887 May 31, 2010
by hevans
Cable Driver 2 4563 May 31, 2010
by mongo
Best 9V adapter to use 2 5001 May 28, 2010
by mongo
Unidirectional microphones 5 5238 May 27, 2010
by mongo
Servo question 3 4731 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5411 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5266 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6938 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11927 May 21, 2010
by hevans
Chinese Solenoid 15 5239 May 10, 2010
by treymd
avrisp mkii circuit 4 6442 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4786 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10159 May 07, 2010
by rajabalu21
Simple Power Switch 6 4870 May 05, 2010
by avicell
I can haz speed! 3 5226 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6739 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5575 April 21, 2010
by bretm
Help with choosing the right resistor 10 6669 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11449 April 15, 2010
by bretm
Resistor 4 4586 April 15, 2010
by mongo
MCU digital input pins 3 4789 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5074 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10959 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 7015 March 28, 2010
by carlhako
Laptop ground safety question 3 5094 March 27, 2010
by ese
LM34 R-C Damper 5 6678 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5395 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4701 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6709 March 23, 2010
by ese
constant system reset 3 4594 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5370 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6455 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5693 March 17, 2010
by Frozenlock
What is -VS? 6 8763 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6506 March 04, 2010
by treymd
Using MCU to connect two wires 3 5589 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10399 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 5025 March 02, 2010
by Solorbob
Deciphering power resistors 11 5411 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4793 March 01, 2010
by nrotstan
Understanding LEDs 16 8016 March 01, 2010
by michaeldallas
What's the part I need? 5 4901 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11945 February 23, 2010
by rajabalu21
Too much power? 14 5650 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6312 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6268 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13805 February 18, 2010
by Rick_S
Serial port interface circuit 2 5799 February 17, 2010
by mongo
OBDII project 3 4861 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8471 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7628 February 13, 2010
by BobaMosfet
Digital pots 5 5090 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5417 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6293 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7702 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7858 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5653 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7452 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11355 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 6045 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5248 December 27, 2009
by jgauthier
Servo Signal Noise 2 4805 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8187 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11653 December 10, 2009
by georgio
Relays and transistors 12 9629 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9694 December 09, 2009
by Rick_S
IR Detector 7 9238 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5855 November 19, 2009
by mikedoug
Debug with lcd 6 5815 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5279 November 15, 2009
by tech20
Understanding output pin characteristics 4 5191 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7202 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5467 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49332 October 30, 2009
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DIY header unit 2 5642 October 10, 2009
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Thermostat Logging 6 7306 October 09, 2009
by luke
Understanding transistors 6 6981 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10972 October 07, 2009
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Currant booster 3 4799 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5778 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13835 August 27, 2009
by hevans
Which LED? 14 5554 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6590 August 07, 2009
by mongo
pull up, pull down resistors 7 18011 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 12017 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7835 August 05, 2009
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Power MOSFET - Understanding and headaches 4 7231 July 07, 2009
by sector0
Reset switch for circuit 3 5458 June 27, 2009
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Online circuit simulator/intuition builder 2 32102 June 16, 2009
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I don't understand the cap on the MC power supply 12 6598 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5355 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5515 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5982 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5330 May 06, 2009
by paulip

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