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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8629 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8055 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6804 April 12, 2016
by Ralphxyz
USBasp Help! 3 5714 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 7919 May 04, 2015
by mongo
Need to replace Wall Watt 16 5218 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4890 April 10, 2015
by Noter
My new 3D Printer 44 20452 April 07, 2015
by Rick_S
AtMega 644 2 4977 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4026 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4648 June 02, 2014
by JKITSON
Automated programming mode? 9 4943 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4537 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4528 January 28, 2014
by lailai
What kind of error is this? 4 4398 January 23, 2014
by Noter
How to double a DC voltage? 20 11731 January 12, 2014
by JKITSON
Is the code the driver? 2 4221 January 12, 2014
by Ralphxyz
Miniature headers 6 4499 January 01, 2014
by Ralphxyz
BLDC 8 4546 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5110 November 26, 2013
by Rick_S
GLCD SPI problems 14 8402 November 10, 2013
by andyi
Moving on... 7 4373 November 08, 2013
by Pr0ject
Power supply questions 4 5877 October 31, 2013
by sask55
OLED 4 4113 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16017 September 22, 2013
by sask55
Opto Interrupter once again 14 8749 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4562 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11474 September 02, 2013
by Ralphxyz
USB cable specifications 7 5972 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5001 August 27, 2013
by Affarram
XMEGA Breakout 8 5396 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4109 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4776 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4810 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11001 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15640 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4086 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4710 April 08, 2013
by pcbolt
Using diode to drop voltage 12 65883 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3919 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4419 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8580 March 14, 2013
by mongo
Current vs Voltage 8 5512 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5127 March 09, 2013
by lnino
Electric current 2 3909 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6847 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9520 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 8946 February 28, 2013
by BobaMosfet
Control electronic door opener 15 4953 February 24, 2013
by lnino
Relay Question 27 8195 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7866 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5386 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5291 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5033 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4639 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5252 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4602 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5450 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 3978 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4068 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4557 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 9943 November 18, 2012
by carlhako
SPI slave clock 6 4752 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4165 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 30749 October 23, 2012
by Noter
NPN circuit connection quandry 4 4733 September 24, 2012
by edb
Simple I/O circuit 4 4384 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4177 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3834 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6586 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4395 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6758 September 13, 2012
by dan_engbers
Electronics simulation 8 5036 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7136 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4299 August 20, 2012
by rblalock
louder sound 2 4071 August 18, 2012
by mongo
connector or cable for LCD display? 4 4296 August 13, 2012
by missle3944
Powering L.E.Ds 5 4413 August 09, 2012
by BobaMosfet
Wires in U.K 5 4892 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4793 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7722 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7428 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5200 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22699 July 21, 2012
by lnino
um help 6 3883 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4913 July 18, 2012
by Ralphxyz
help me 11 4773 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4175 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5456 June 24, 2012
by Ralphxyz
HELP 3 3928 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14828 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4038 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5961 June 17, 2012
by RogerFL
Programmable current source 6 5908 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5544 June 11, 2012
by mongo
HELP 6 4249 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4629 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 50340 May 24, 2012
by Ralphxyz
i need a code 8 4649 May 15, 2012
by pcbolt
Clock Accuracy 30 9296 May 14, 2012
by HexManiac
Relays and Controlling them 9 4614 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4891 May 09, 2012
by RogerFL
Powering your NerdKit 7 4470 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4496 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7690 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4914 April 24, 2012
by pcbolt
Programs will not run 6 4382 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5005 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4687 April 09, 2012
by Ralphxyz
Path Lights controller 2 4246 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4375 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4886 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4469 April 01, 2012
by JamesFysh
Question on LCD screen 5 4477 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4420 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5714 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5350 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9049 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4557 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5713 March 15, 2012
by mongo
Digital servo issues! 9 5061 March 15, 2012
by Rick_S
Brushless motor control 16 5411 March 12, 2012
by hevans
Windows not detecting device 3 4209 March 10, 2012
by hevans
Voltage throught MCU 5 4224 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 19997 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11761 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 20891 March 01, 2012
by hevans
Up and running... 3 4011 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4675 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5032 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4256 February 24, 2012
by Rick_S
programming lcd trubs 7 4311 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5035 February 18, 2012
by Rick_S
Oscilloscope 15 6308 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10762 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5470 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4655 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11201 February 09, 2012
by mongo
Data transmission 3 5217 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5019 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6585 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4505 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4073 January 31, 2012
by tchilzer2
H bridge questions 6 4843 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4583 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 4981 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5192 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8316 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4855 January 15, 2012
by Rick_S
Source of power? 19 4980 January 13, 2012
by mongo
symbol defined please? 4 4705 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 17871 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4593 January 06, 2012
by boxvic
Basic LED circuit properties 8 4812 January 06, 2012
by boxvic
Getting Started 3 4298 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5484 January 02, 2012
by bodangly
SMD reflow 16 5579 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4549 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5228 December 23, 2011
by BobaMosfet
Potentiometer 8 6133 December 23, 2011
by huzbum
Fun with Op-Amps 3 6389 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5463 December 19, 2011
by n1cl3
Odessy of the minds 5 4749 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4116 November 27, 2011
by sazD
Initial Load 2 4782 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5471 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6165 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4838 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 9954 November 10, 2011
by jfbrink
Servo Squitter Project 13 4574 November 09, 2011
by Heed
how do i run a program 4 4161 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4408 November 07, 2011
by Heed
Motor control question 2 4207 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9797 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4449 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4342 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 96117 October 24, 2011
by glendon
Measuring Capacitance 9 5872 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4501 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6233 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 22705 October 16, 2011
by sask55
RxD / TxD Questions 10 7644 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4579 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4475 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4767 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4276 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13496 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5935 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24332 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 12973 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4211 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7757 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13705 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8866 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5315 September 01, 2011
by BobaMosfet
Dim LED 3 4147 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4673 August 23, 2011
by Twarter369
Easy Transistor Question 4 5299 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7022 August 18, 2011
by Ralphxyz
Building a coil?? 12 7059 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4581 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4228 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4055 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4005 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24034 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5330 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4742 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4453 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4496 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7266 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4151 July 17, 2011
by codenamejupiterx
avr macpack 3 4524 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4498 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4579 July 13, 2011
by BobaMosfet
Battery clip wires 3 4091 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3954 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4256 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4487 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4887 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25165 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4462 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4690 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6777 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4728 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4747 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4666 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5200 June 06, 2011
by mja
A couple of questions 3 4372 June 06, 2011
by Ralphxyz
How much should I strip? 3 4437 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4925 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4305 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4642 May 29, 2011
by Rick_S
Digital Input Question 4 4386 May 28, 2011
by frankdwest
PCB arrived 20 4377 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5026 May 24, 2011
by gcharris
Calculating bypass capacitor 6 23921 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 4969 May 09, 2011
by Noter
IR current 6 4685 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5391 May 04, 2011
by hariharan
Heat sensors 21 5759 May 04, 2011
by Hexorg
error 1 2 4222 May 02, 2011
by hevans
Transistor vs mosfet 13 12474 May 01, 2011
by Noter
PCB trace width calculator 3 5838 April 24, 2011
by esoderberg
OLED display 10 5525 April 23, 2011
by Rick_S
Power Supplies 17 6098 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4206 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4920 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4344 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5372 April 19, 2011
by mongo
Connecting to external control voltages 4 4331 April 19, 2011
by bretm
IR current question 7 4446 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5231 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5410 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4698 April 10, 2011
by uml_12
Basic projects 3 4366 April 09, 2011
by mongo
REFLOW oven 22 7307 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14556 April 07, 2011
by bretm
unexpected MCU rebooting 82 9313 April 05, 2011
by sask55
REFLOW Soldering 3 5286 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4673 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 6994 March 30, 2011
by bretm
Black Display on LCD 6 4643 March 28, 2011
by Druidman
32kHz clock 2 4288 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11431 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 11884 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6476 March 16, 2011
by mongo
LCD problem 3 4690 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5279 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5390 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4395 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8037 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5317 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5268 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12317 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 8970 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5939 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9400 February 19, 2011
by Lusitania
My first Impression 6 4784 February 16, 2011
by devinsbusiness
Understanding battery life 3 6061 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5687 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5313 February 05, 2011
by BobaMosfet
High voltage lines 26 7477 February 02, 2011
by mongo
USB 3 4356 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5398 February 02, 2011
by Jalex
Alternating LED circuit 4 5294 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6622 January 31, 2011
by il1019
Affordable oscilloscopes 43 14658 January 27, 2011
by BStory
"And"gate unfinished thought 2 4480 January 27, 2011
by Hexorg
replace MCU? 30 9500 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5045 January 25, 2011
by Ralphxyz
Multimeter! 12 7336 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 5981 January 25, 2011
by Jalex
My LED Cube so far 25 10763 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5805 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5224 January 18, 2011
by dgikuljot
Counting 5 4428 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9069 January 17, 2011
by bretm
Programming 5 5284 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5506 January 11, 2011
by Yourself
Begining 7 5577 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 5964 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5306 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4607 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5147 January 06, 2011
by Mujda
Data input voltage 6 5139 January 03, 2011
by Rick_S
MOSFET Question 7 5298 December 31, 2010
by Keyster
Transistor as a switch 5 5327 December 29, 2010
by Hexorg
Resistors 5 5685 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10552 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5538 December 28, 2010
by BobaMosfet
Relay ratings 2 4867 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20155 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4711 December 17, 2010
by mongo
Power Rectifier 7 6254 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7288 December 14, 2010
by danuke
This a decent oscilloscope? 8 5107 December 14, 2010
by danuke
Do resistors in series really add up? 8 6498 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5916 December 09, 2010
by bretm
L293 H-Bridge 15 6590 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6790 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 6963 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5896 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6397 November 24, 2010
by BobaMosfet
Op-amp not working 6 6699 November 24, 2010
by BobaMosfet
Python questions 4 5668 November 21, 2010
by tkopriva
CE Amp design 5 5169 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5106 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4944 November 05, 2010
by Mujda
PC4 not working?! 8 4810 November 04, 2010
by hapshetsut
Amplifiers 4 4782 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5635 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5726 October 04, 2010
by Scythium
radio interference from NerdKit 11 4825 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9467 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5337 September 11, 2010
by akajester
QFP and dreadboard 2 5233 September 02, 2010
by bretm
Getting power to the spinning part... 5 5108 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 12997 August 30, 2010
by Ralphxyz
morse code decoder 2 5221 August 26, 2010
by jonathan_m
Connecting to Computer 3 5186 August 25, 2010
by awesome
555 astable on breadboard 12 6711 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4808 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5324 August 19, 2010
by hevans
mosfet 3 4586 August 13, 2010
by hevans
Good material on learning electronics. 8 5576 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4463 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7111 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6395 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9700 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6869 July 02, 2010
by mongo
Electro Cardio Gram 4 5719 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4519 June 12, 2010
by Wobbler
Voltage Regulator 20 6231 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5771 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6431 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6101 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5288 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4530 June 06, 2010
by Kafke
TSSOP IC! 4 5296 June 03, 2010
by mrobbins
AVcc 2 5538 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4740 May 31, 2010
by hevans
Cable Driver 2 4413 May 31, 2010
by mongo
Best 9V adapter to use 2 4856 May 28, 2010
by mongo
Unidirectional microphones 5 5091 May 27, 2010
by mongo
Servo question 3 4571 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5273 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5115 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6782 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11629 May 21, 2010
by hevans
Chinese Solenoid 15 5070 May 10, 2010
by treymd
avrisp mkii circuit 4 6313 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4643 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 9918 May 07, 2010
by rajabalu21
Simple Power Switch 6 4736 May 05, 2010
by avicell
I can haz speed! 3 5079 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6578 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5417 April 21, 2010
by bretm
Help with choosing the right resistor 10 6520 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11117 April 15, 2010
by bretm
Resistor 4 4443 April 15, 2010
by mongo
MCU digital input pins 3 4626 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4935 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10804 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6884 March 28, 2010
by carlhako
Laptop ground safety question 3 4962 March 27, 2010
by ese
LM34 R-C Damper 5 6539 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5257 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4518 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6570 March 23, 2010
by ese
constant system reset 3 4450 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5219 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6266 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5558 March 17, 2010
by Frozenlock
What is -VS? 6 8607 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6379 March 04, 2010
by treymd
Using MCU to connect two wires 3 5450 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10055 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4874 March 02, 2010
by Solorbob
Deciphering power resistors 11 5247 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4641 March 01, 2010
by nrotstan
Understanding LEDs 16 7803 March 01, 2010
by michaeldallas
What's the part I need? 5 4759 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11770 February 23, 2010
by rajabalu21
Too much power? 14 5492 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6171 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6094 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13512 February 18, 2010
by Rick_S
Serial port interface circuit 2 5653 February 17, 2010
by mongo
OBDII project 3 4723 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8268 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7447 February 13, 2010
by BobaMosfet
Digital pots 5 4961 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5264 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6103 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7513 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7670 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5535 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7243 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11049 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5873 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5115 December 27, 2009
by jgauthier
Servo Signal Noise 2 4676 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8011 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11457 December 10, 2009
by georgio
Relays and transistors 12 9471 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9519 December 09, 2009
by Rick_S
IR Detector 7 8986 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5715 November 19, 2009
by mikedoug
Debug with lcd 6 5667 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5159 November 15, 2009
by tech20
Understanding output pin characteristics 4 5034 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 6974 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5311 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 48769 October 30, 2009
by BobaMosfet
DIY header unit 2 5515 October 10, 2009
by rusirius
Thermostat Logging 6 7136 October 09, 2009
by luke
Understanding transistors 6 6849 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10808 October 07, 2009
by mikedoug
Currant booster 3 4664 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5649 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13628 August 27, 2009
by hevans
Which LED? 14 5401 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6428 August 07, 2009
by mongo
pull up, pull down resistors 7 17823 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11745 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7682 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7073 July 07, 2009
by sector0
Reset switch for circuit 3 5326 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31948 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6440 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5211 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5345 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5841 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5178 May 06, 2009
by paulip

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