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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 9111 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8443 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 7160 April 12, 2016
by Ralphxyz
USBasp Help! 3 6068 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8359 May 04, 2015
by mongo
Need to replace Wall Watt 16 5558 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5192 April 10, 2015
by Noter
My new 3D Printer 44 20769 April 07, 2015
by Rick_S
AtMega 644 2 5200 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4256 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4947 June 02, 2014
by JKITSON
Automated programming mode? 9 5231 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4801 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4836 January 28, 2014
by lailai
What kind of error is this? 4 4601 January 23, 2014
by Noter
How to double a DC voltage? 20 12086 January 12, 2014
by JKITSON
Is the code the driver? 2 4513 January 12, 2014
by Ralphxyz
Miniature headers 6 4724 January 01, 2014
by Ralphxyz
BLDC 8 4830 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5430 November 26, 2013
by Rick_S
GLCD SPI problems 14 8734 November 10, 2013
by andyi
Moving on... 7 4631 November 08, 2013
by Pr0ject
Power supply questions 4 6202 October 31, 2013
by sask55
OLED 4 4390 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16525 September 22, 2013
by sask55
Opto Interrupter once again 14 9142 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4796 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11904 September 02, 2013
by Ralphxyz
USB cable specifications 7 6462 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5338 August 27, 2013
by Affarram
XMEGA Breakout 8 5700 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4352 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 5030 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 5063 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11881 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16550 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4367 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4967 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66609 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4154 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4724 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8925 March 14, 2013
by mongo
Current vs Voltage 8 5798 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5381 March 09, 2013
by lnino
Electric current 2 4129 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 7080 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 10027 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9707 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5224 February 24, 2013
by lnino
Relay Question 27 8511 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8192 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5673 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5502 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5304 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4866 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5595 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4898 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5707 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4231 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4285 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4806 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10443 November 18, 2012
by carlhako
SPI slave clock 6 5019 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4391 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31768 October 23, 2012
by Noter
NPN circuit connection quandry 4 4970 September 24, 2012
by edb
Simple I/O circuit 4 4625 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4383 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4137 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6989 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4621 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 7017 September 13, 2012
by dan_engbers
Electronics simulation 8 5252 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7450 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4523 August 20, 2012
by rblalock
louder sound 2 4298 August 18, 2012
by mongo
connector or cable for LCD display? 4 4517 August 13, 2012
by missle3944
Powering L.E.Ds 5 4647 August 09, 2012
by BobaMosfet
Wires in U.K 5 5120 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 5037 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 8211 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7709 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5534 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 23065 July 21, 2012
by lnino
um help 6 4101 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5155 July 18, 2012
by Ralphxyz
help me 11 5022 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4423 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5742 June 24, 2012
by Ralphxyz
HELP 3 4141 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15193 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4266 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6189 June 17, 2012
by RogerFL
Programmable current source 6 6290 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5779 June 11, 2012
by mongo
HELP 6 4483 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4904 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52814 May 24, 2012
by Ralphxyz
i need a code 8 4889 May 15, 2012
by pcbolt
Clock Accuracy 30 9579 May 14, 2012
by HexManiac
Relays and Controlling them 9 4869 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 5128 May 09, 2012
by RogerFL
Powering your NerdKit 7 4708 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4740 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 8027 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5127 April 24, 2012
by pcbolt
Programs will not run 6 4618 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5285 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4926 April 09, 2012
by Ralphxyz
Path Lights controller 2 4487 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4612 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5160 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4702 April 01, 2012
by JamesFysh
Question on LCD screen 5 4730 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4696 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 6024 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5649 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9350 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4788 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 6179 March 15, 2012
by mongo
Digital servo issues! 9 5341 March 15, 2012
by Rick_S
Brushless motor control 16 5670 March 12, 2012
by hevans
Windows not detecting device 3 4461 March 10, 2012
by hevans
Voltage throught MCU 5 4473 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20401 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 12264 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21758 March 01, 2012
by hevans
Up and running... 3 4264 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4935 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5272 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4492 February 24, 2012
by Rick_S
programming lcd trubs 7 4626 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5286 February 18, 2012
by Rick_S
Oscilloscope 15 6595 February 18, 2012
by Osarus
How far away can a LM34 be? 16 11131 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5725 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4906 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 12295 February 09, 2012
by mongo
Data transmission 3 5444 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5255 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6842 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4781 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4280 January 31, 2012
by tchilzer2
H bridge questions 6 5078 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4831 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5270 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5472 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8592 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 5134 January 15, 2012
by Rick_S
Source of power? 19 5294 January 13, 2012
by mongo
symbol defined please? 4 4919 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18359 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4837 January 06, 2012
by boxvic
Basic LED circuit properties 8 5057 January 06, 2012
by boxvic
Getting Started 3 4535 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5720 January 02, 2012
by bodangly
SMD reflow 16 5845 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4774 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5449 December 23, 2011
by BobaMosfet
Potentiometer 8 6460 December 23, 2011
by huzbum
Fun with Op-Amps 3 6673 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5748 December 19, 2011
by n1cl3
Odessy of the minds 5 4971 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4357 November 27, 2011
by sazD
Initial Load 2 4989 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5742 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6419 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 5067 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10256 November 10, 2011
by jfbrink
Servo Squitter Project 13 4834 November 09, 2011
by Heed
how do i run a program 4 4375 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4621 November 07, 2011
by Heed
Motor control question 2 4422 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10176 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4695 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4588 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 98221 October 24, 2011
by glendon
Measuring Capacitance 9 6123 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4717 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6473 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23521 October 16, 2011
by sask55
RxD / TxD Questions 10 8096 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4813 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4705 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4990 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4485 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 14513 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6190 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24764 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13493 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4418 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 8029 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14209 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 9170 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5578 September 01, 2011
by BobaMosfet
Dim LED 3 4395 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4902 August 23, 2011
by Twarter369
Easy Transistor Question 4 5574 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7525 August 18, 2011
by Ralphxyz
Building a coil?? 12 7342 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4807 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4462 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4285 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4236 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24401 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5546 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4956 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4672 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4708 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7541 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4384 July 17, 2011
by codenamejupiterx
avr macpack 3 4745 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4746 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4858 July 13, 2011
by BobaMosfet
Battery clip wires 3 4284 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4179 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4471 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4722 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5183 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25573 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4688 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4916 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 7065 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 5005 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4999 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4873 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5545 June 06, 2011
by mja
A couple of questions 3 4616 June 06, 2011
by Ralphxyz
How much should I strip? 3 4658 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5148 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4563 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4872 May 29, 2011
by Rick_S
Digital Input Question 4 4632 May 28, 2011
by frankdwest
PCB arrived 20 4614 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5258 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24380 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5197 May 09, 2011
by Noter
IR current 6 4911 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5678 May 04, 2011
by hariharan
Heat sensors 21 6026 May 04, 2011
by Hexorg
error 1 2 4494 May 02, 2011
by hevans
Transistor vs mosfet 13 12842 May 01, 2011
by Noter
PCB trace width calculator 3 6056 April 24, 2011
by esoderberg
OLED display 10 5777 April 23, 2011
by Rick_S
Power Supplies 17 6334 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4412 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5131 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4598 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5619 April 19, 2011
by mongo
Connecting to external control voltages 4 4552 April 19, 2011
by bretm
IR current question 7 4674 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5470 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5664 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4911 April 10, 2011
by uml_12
Basic projects 3 4582 April 09, 2011
by mongo
REFLOW oven 22 7559 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 15029 April 07, 2011
by bretm
unexpected MCU rebooting 82 9696 April 05, 2011
by sask55
REFLOW Soldering 3 5572 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4898 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7277 March 30, 2011
by bretm
Black Display on LCD 6 4855 March 28, 2011
by Druidman
32kHz clock 2 4508 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11873 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12458 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6726 March 16, 2011
by mongo
LCD problem 3 4906 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5545 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5605 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4606 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8389 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5590 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5498 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12556 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9337 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6191 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9684 February 19, 2011
by Lusitania
My first Impression 6 5033 February 16, 2011
by devinsbusiness
Understanding battery life 3 6375 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5913 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5574 February 05, 2011
by BobaMosfet
High voltage lines 26 7788 February 02, 2011
by mongo
USB 3 4560 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5648 February 02, 2011
by Jalex
Alternating LED circuit 4 5530 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6866 January 31, 2011
by il1019
Affordable oscilloscopes 43 15333 January 27, 2011
by BStory
"And"gate unfinished thought 2 4724 January 27, 2011
by Hexorg
replace MCU? 30 9875 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5309 January 25, 2011
by Ralphxyz
Multimeter! 12 7580 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6226 January 25, 2011
by Jalex
My LED Cube so far 25 11015 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 6014 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5456 January 18, 2011
by dgikuljot
Counting 5 4689 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9327 January 17, 2011
by bretm
Programming 5 5555 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5750 January 11, 2011
by Yourself
Begining 7 5835 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6204 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5528 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4858 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5396 January 06, 2011
by Mujda
Data input voltage 6 5385 January 03, 2011
by Rick_S
MOSFET Question 7 5586 December 31, 2010
by Keyster
Transistor as a switch 5 5591 December 29, 2010
by Hexorg
Resistors 5 5956 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10905 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5797 December 28, 2010
by BobaMosfet
Relay ratings 2 5096 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20492 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4945 December 17, 2010
by mongo
Power Rectifier 7 7249 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7588 December 14, 2010
by danuke
This a decent oscilloscope? 8 5348 December 14, 2010
by danuke
Do resistors in series really add up? 8 6787 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6166 December 09, 2010
by bretm
L293 H-Bridge 15 6858 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 7089 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7272 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6152 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6681 November 24, 2010
by BobaMosfet
Op-amp not working 6 6942 November 24, 2010
by BobaMosfet
Python questions 4 5897 November 21, 2010
by tkopriva
CE Amp design 5 5452 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5339 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5207 November 05, 2010
by Mujda
PC4 not working?! 8 5058 November 04, 2010
by hapshetsut
Amplifiers 4 5003 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5877 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5983 October 04, 2010
by Scythium
radio interference from NerdKit 11 5094 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9711 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5576 September 11, 2010
by akajester
QFP and dreadboard 2 5477 September 02, 2010
by bretm
Getting power to the spinning part... 5 5313 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13298 August 30, 2010
by Ralphxyz
morse code decoder 2 5419 August 26, 2010
by jonathan_m
Connecting to Computer 3 5407 August 25, 2010
by awesome
555 astable on breadboard 12 6925 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 5033 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5528 August 19, 2010
by hevans
mosfet 3 4797 August 13, 2010
by hevans
Good material on learning electronics. 8 5810 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4690 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7466 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6636 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 10104 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 7097 July 02, 2010
by mongo
Electro Cardio Gram 4 6008 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4734 June 12, 2010
by Wobbler
Voltage Regulator 20 6478 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 6020 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6693 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6323 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5536 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4757 June 06, 2010
by Kafke
TSSOP IC! 4 5532 June 03, 2010
by mrobbins
AVcc 2 5758 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4968 May 31, 2010
by hevans
Cable Driver 2 4646 May 31, 2010
by mongo
Best 9V adapter to use 2 5078 May 28, 2010
by mongo
Unidirectional microphones 5 5316 May 27, 2010
by mongo
Servo question 3 4821 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5500 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5348 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 7015 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 12046 May 21, 2010
by hevans
Chinese Solenoid 15 5346 May 10, 2010
by treymd
avrisp mkii circuit 4 6521 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4871 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10273 May 07, 2010
by rajabalu21
Simple Power Switch 6 4960 May 05, 2010
by avicell
I can haz speed! 3 5310 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6845 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5669 April 21, 2010
by bretm
Help with choosing the right resistor 10 6759 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11591 April 15, 2010
by bretm
Resistor 4 4675 April 15, 2010
by mongo
MCU digital input pins 3 4882 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5168 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 11060 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 7105 March 28, 2010
by carlhako
Laptop ground safety question 3 5170 March 27, 2010
by ese
LM34 R-C Damper 5 6788 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5477 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4772 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6811 March 23, 2010
by ese
constant system reset 3 4684 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5457 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6548 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5769 March 17, 2010
by Frozenlock
What is -VS? 6 8872 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6579 March 04, 2010
by treymd
Using MCU to connect two wires 3 5668 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10536 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 5108 March 02, 2010
by Solorbob
Deciphering power resistors 11 5509 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4865 March 01, 2010
by nrotstan
Understanding LEDs 16 8128 March 01, 2010
by michaeldallas
What's the part I need? 5 4983 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 12048 February 23, 2010
by rajabalu21
Too much power? 14 5739 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6398 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6360 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13945 February 18, 2010
by Rick_S
Serial port interface circuit 2 5883 February 17, 2010
by mongo
OBDII project 3 4949 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8577 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7726 February 13, 2010
by BobaMosfet
Digital pots 5 5189 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5515 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6386 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7795 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7954 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5731 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7580 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11466 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 6141 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5338 December 27, 2009
by jgauthier
Servo Signal Noise 2 4895 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8276 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11759 December 10, 2009
by georgio
Relays and transistors 12 9723 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9790 December 09, 2009
by Rick_S
IR Detector 7 9351 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5940 November 19, 2009
by mikedoug
Debug with lcd 6 5903 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5354 November 15, 2009
by tech20
Understanding output pin characteristics 4 5280 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7296 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5562 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49545 October 30, 2009
by BobaMosfet
DIY header unit 2 5735 October 10, 2009
by rusirius
Thermostat Logging 6 7407 October 09, 2009
by luke
Understanding transistors 6 7064 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 11058 October 07, 2009
by mikedoug
Currant booster 3 4901 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5863 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13937 August 27, 2009
by hevans
Which LED? 14 5654 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6692 August 07, 2009
by mongo
pull up, pull down resistors 7 18105 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 12132 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7948 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7330 July 07, 2009
by sector0
Reset switch for circuit 3 5543 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32202 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6690 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5433 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5602 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 6057 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5414 May 06, 2009
by paulip

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