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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8913 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8282 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 7007 April 12, 2016
by Ralphxyz
USBasp Help! 3 5901 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8179 May 04, 2015
by mongo
Need to replace Wall Watt 16 5409 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5055 April 10, 2015
by Noter
My new 3D Printer 44 20636 April 07, 2015
by Rick_S
AtMega 644 2 5099 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4144 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4825 June 02, 2014
by JKITSON
Automated programming mode? 9 5105 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4680 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4713 January 28, 2014
by lailai
What kind of error is this? 4 4510 January 23, 2014
by Noter
How to double a DC voltage? 20 11925 January 12, 2014
by JKITSON
Is the code the driver? 2 4396 January 12, 2014
by Ralphxyz
Miniature headers 6 4617 January 01, 2014
by Ralphxyz
BLDC 8 4708 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5304 November 26, 2013
by Rick_S
GLCD SPI problems 14 8573 November 10, 2013
by andyi
Moving on... 7 4513 November 08, 2013
by Pr0ject
Power supply questions 4 6083 October 31, 2013
by sask55
OLED 4 4280 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16309 September 22, 2013
by sask55
Opto Interrupter once again 14 8968 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4691 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11718 September 02, 2013
by Ralphxyz
USB cable specifications 7 6260 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5217 August 27, 2013
by Affarram
XMEGA Breakout 8 5581 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4241 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4917 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4960 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11457 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16206 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4247 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4853 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66329 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4049 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4609 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8781 March 14, 2013
by mongo
Current vs Voltage 8 5681 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5256 March 09, 2013
by lnino
Electric current 2 4030 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6968 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9859 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9463 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5112 February 24, 2013
by lnino
Relay Question 27 8376 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8065 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5550 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5410 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5190 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4773 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5460 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4770 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5595 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4114 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4183 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4667 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10232 November 18, 2012
by carlhako
SPI slave clock 6 4906 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4290 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31306 October 23, 2012
by Noter
NPN circuit connection quandry 4 4867 September 24, 2012
by edb
Simple I/O circuit 4 4519 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4296 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4021 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6848 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4516 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6903 September 13, 2012
by dan_engbers
Electronics simulation 8 5145 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7309 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4424 August 20, 2012
by rblalock
louder sound 2 4189 August 18, 2012
by mongo
connector or cable for LCD display? 4 4410 August 13, 2012
by missle3944
Powering L.E.Ds 5 4543 August 09, 2012
by BobaMosfet
Wires in U.K 5 5009 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4922 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 8040 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7585 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5385 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22917 July 21, 2012
by lnino
um help 6 3999 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5052 July 18, 2012
by Ralphxyz
help me 11 4914 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4305 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5624 June 24, 2012
by Ralphxyz
HELP 3 4052 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15044 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4160 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6084 June 17, 2012
by RogerFL
Programmable current source 6 6146 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5680 June 11, 2012
by mongo
HELP 6 4378 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4781 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52469 May 24, 2012
by Ralphxyz
i need a code 8 4783 May 15, 2012
by pcbolt
Clock Accuracy 30 9452 May 14, 2012
by HexManiac
Relays and Controlling them 9 4754 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 5024 May 09, 2012
by RogerFL
Powering your NerdKit 7 4604 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4632 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7883 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5029 April 24, 2012
by pcbolt
Programs will not run 6 4521 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5163 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4820 April 09, 2012
by Ralphxyz
Path Lights controller 2 4385 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4498 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5045 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4593 April 01, 2012
by JamesFysh
Question on LCD screen 5 4603 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4567 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5899 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5509 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9235 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4680 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5982 March 15, 2012
by mongo
Digital servo issues! 9 5218 March 15, 2012
by Rick_S
Brushless motor control 16 5551 March 12, 2012
by hevans
Windows not detecting device 3 4351 March 10, 2012
by hevans
Voltage throught MCU 5 4358 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20252 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11999 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21398 March 01, 2012
by hevans
Up and running... 3 4146 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4803 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5160 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4392 February 24, 2012
by Rick_S
programming lcd trubs 7 4509 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5181 February 18, 2012
by Rick_S
Oscilloscope 15 6459 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10985 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5603 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4789 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11599 February 09, 2012
by mongo
Data transmission 3 5345 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5152 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6723 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4650 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4183 January 31, 2012
by tchilzer2
H bridge questions 6 4981 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4724 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5145 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5351 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8478 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 5012 January 15, 2012
by Rick_S
Source of power? 19 5147 January 13, 2012
by mongo
symbol defined please? 4 4823 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18213 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4726 January 06, 2012
by boxvic
Basic LED circuit properties 8 4955 January 06, 2012
by boxvic
Getting Started 3 4420 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5609 January 02, 2012
by bodangly
SMD reflow 16 5721 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4678 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5340 December 23, 2011
by BobaMosfet
Potentiometer 8 6311 December 23, 2011
by huzbum
Fun with Op-Amps 3 6556 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5632 December 19, 2011
by n1cl3
Odessy of the minds 5 4865 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4249 November 27, 2011
by sazD
Initial Load 2 4901 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5635 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6315 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4964 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10150 November 10, 2011
by jfbrink
Servo Squitter Project 13 4711 November 09, 2011
by Heed
how do i run a program 4 4270 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4528 November 07, 2011
by Heed
Motor control question 2 4312 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10035 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4594 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4469 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 97348 October 24, 2011
by glendon
Measuring Capacitance 9 6010 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4623 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6376 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23224 October 16, 2011
by sask55
RxD / TxD Questions 10 7941 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4701 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4597 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4885 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4383 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 14054 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6080 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24582 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13310 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4326 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7913 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14041 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 9019 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5466 September 01, 2011
by BobaMosfet
Dim LED 3 4288 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4799 August 23, 2011
by Twarter369
Easy Transistor Question 4 5447 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7403 August 18, 2011
by Ralphxyz
Building a coil?? 12 7217 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4707 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4353 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4189 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4120 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24282 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5454 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4862 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4568 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4616 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7413 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4275 July 17, 2011
by codenamejupiterx
avr macpack 3 4644 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4639 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4741 July 13, 2011
by BobaMosfet
Battery clip wires 3 4190 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4084 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4371 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4616 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5080 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25414 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4598 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4822 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6939 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4880 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4893 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4770 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5378 June 06, 2011
by mja
A couple of questions 3 4495 June 06, 2011
by Ralphxyz
How much should I strip? 3 4565 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5047 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4448 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4784 May 29, 2011
by Rick_S
Digital Input Question 4 4516 May 28, 2011
by frankdwest
PCB arrived 20 4501 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5149 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24187 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5103 May 09, 2011
by Noter
IR current 6 4801 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5528 May 04, 2011
by hariharan
Heat sensors 21 5904 May 04, 2011
by Hexorg
error 1 2 4396 May 02, 2011
by hevans
Transistor vs mosfet 13 12695 May 01, 2011
by Noter
PCB trace width calculator 3 5957 April 24, 2011
by esoderberg
OLED display 10 5680 April 23, 2011
by Rick_S
Power Supplies 17 6228 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4322 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5026 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4471 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5499 April 19, 2011
by mongo
Connecting to external control voltages 4 4443 April 19, 2011
by bretm
IR current question 7 4573 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5358 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5559 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4819 April 10, 2011
by uml_12
Basic projects 3 4491 April 09, 2011
by mongo
REFLOW oven 22 7447 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14834 April 07, 2011
by bretm
unexpected MCU rebooting 82 9511 April 05, 2011
by sask55
REFLOW Soldering 3 5449 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4789 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7135 March 30, 2011
by bretm
Black Display on LCD 6 4757 March 28, 2011
by Druidman
32kHz clock 2 4410 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11660 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12270 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6629 March 16, 2011
by mongo
LCD problem 3 4798 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5429 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5503 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4510 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8238 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5452 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5403 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12452 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9194 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6083 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9546 February 19, 2011
by Lusitania
My first Impression 6 4922 February 16, 2011
by devinsbusiness
Understanding battery life 3 6248 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5818 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5460 February 05, 2011
by BobaMosfet
High voltage lines 26 7655 February 02, 2011
by mongo
USB 3 4467 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5545 February 02, 2011
by Jalex
Alternating LED circuit 4 5421 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6759 January 31, 2011
by il1019
Affordable oscilloscopes 43 15093 January 27, 2011
by BStory
"And"gate unfinished thought 2 4622 January 27, 2011
by Hexorg
replace MCU? 30 9726 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5185 January 25, 2011
by Ralphxyz
Multimeter! 12 7477 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6124 January 25, 2011
by Jalex
My LED Cube so far 25 10898 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5910 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5348 January 18, 2011
by dgikuljot
Counting 5 4569 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9227 January 17, 2011
by bretm
Programming 5 5450 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5637 January 11, 2011
by Yourself
Begining 7 5723 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6100 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5429 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4750 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5283 January 06, 2011
by Mujda
Data input voltage 6 5287 January 03, 2011
by Rick_S
MOSFET Question 7 5437 December 31, 2010
by Keyster
Transistor as a switch 5 5479 December 29, 2010
by Hexorg
Resistors 5 5834 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10787 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5691 December 28, 2010
by BobaMosfet
Relay ratings 2 4998 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20346 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4832 December 17, 2010
by mongo
Power Rectifier 7 7128 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7472 December 14, 2010
by danuke
This a decent oscilloscope? 8 5241 December 14, 2010
by danuke
Do resistors in series really add up? 8 6670 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6064 December 09, 2010
by bretm
L293 H-Bridge 15 6756 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6969 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7135 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6035 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6565 November 24, 2010
by BobaMosfet
Op-amp not working 6 6835 November 24, 2010
by BobaMosfet
Python questions 4 5794 November 21, 2010
by tkopriva
CE Amp design 5 5349 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5237 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5096 November 05, 2010
by Mujda
PC4 not working?! 8 4951 November 04, 2010
by hapshetsut
Amplifiers 4 4906 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5772 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5864 October 04, 2010
by Scythium
radio interference from NerdKit 11 4990 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9615 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5464 September 11, 2010
by akajester
QFP and dreadboard 2 5365 September 02, 2010
by bretm
Getting power to the spinning part... 5 5220 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13180 August 30, 2010
by Ralphxyz
morse code decoder 2 5334 August 26, 2010
by jonathan_m
Connecting to Computer 3 5316 August 25, 2010
by awesome
555 astable on breadboard 12 6824 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4940 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5437 August 19, 2010
by hevans
mosfet 3 4699 August 13, 2010
by hevans
Good material on learning electronics. 8 5704 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4587 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7314 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6528 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9930 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 7004 July 02, 2010
by mongo
Electro Cardio Gram 4 5882 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4643 June 12, 2010
by Wobbler
Voltage Regulator 20 6361 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5916 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6585 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6224 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5424 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4654 June 06, 2010
by Kafke
TSSOP IC! 4 5428 June 03, 2010
by mrobbins
AVcc 2 5662 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4864 May 31, 2010
by hevans
Cable Driver 2 4546 May 31, 2010
by mongo
Best 9V adapter to use 2 4986 May 28, 2010
by mongo
Unidirectional microphones 5 5224 May 27, 2010
by mongo
Servo question 3 4701 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5390 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5245 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6920 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11895 May 21, 2010
by hevans
Chinese Solenoid 15 5222 May 10, 2010
by treymd
avrisp mkii circuit 4 6426 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4766 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10134 May 07, 2010
by rajabalu21
Simple Power Switch 6 4855 May 05, 2010
by avicell
I can haz speed! 3 5208 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6714 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5552 April 21, 2010
by bretm
Help with choosing the right resistor 10 6653 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11423 April 15, 2010
by bretm
Resistor 4 4569 April 15, 2010
by mongo
MCU digital input pins 3 4769 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5045 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10943 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 7001 March 28, 2010
by carlhako
Laptop ground safety question 3 5081 March 27, 2010
by ese
LM34 R-C Damper 5 6660 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5377 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4683 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6690 March 23, 2010
by ese
constant system reset 3 4573 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5349 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6434 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5677 March 17, 2010
by Frozenlock
What is -VS? 6 8744 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6489 March 04, 2010
by treymd
Using MCU to connect two wires 3 5569 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10373 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 5005 March 02, 2010
by Solorbob
Deciphering power resistors 11 5394 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4775 March 01, 2010
by nrotstan
Understanding LEDs 16 7997 March 01, 2010
by michaeldallas
What's the part I need? 5 4885 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11930 February 23, 2010
by rajabalu21
Too much power? 14 5633 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6292 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6247 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13785 February 18, 2010
by Rick_S
Serial port interface circuit 2 5780 February 17, 2010
by mongo
OBDII project 3 4844 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8453 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7610 February 13, 2010
by BobaMosfet
Digital pots 5 5070 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5401 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6274 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7682 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7828 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5636 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7429 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11329 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 6021 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5226 December 27, 2009
by jgauthier
Servo Signal Noise 2 4787 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8168 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11628 December 10, 2009
by georgio
Relays and transistors 12 9612 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9675 December 09, 2009
by Rick_S
IR Detector 7 9212 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5837 November 19, 2009
by mikedoug
Debug with lcd 6 5800 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5267 November 15, 2009
by tech20
Understanding output pin characteristics 4 5172 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7184 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5450 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49176 October 30, 2009
by BobaMosfet
DIY header unit 2 5623 October 10, 2009
by rusirius
Thermostat Logging 6 7285 October 09, 2009
by luke
Understanding transistors 6 6971 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10953 October 07, 2009
by mikedoug
Currant booster 3 4782 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5766 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13816 August 27, 2009
by hevans
Which LED? 14 5534 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6570 August 07, 2009
by mongo
pull up, pull down resistors 7 17992 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11990 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7821 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7211 July 07, 2009
by sector0
Reset switch for circuit 3 5444 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32079 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6578 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5341 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5499 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5967 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5313 May 06, 2009
by paulip

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