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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8406 July 27, 2019
by BobaMosfet
mosfet control during start up 5 7929 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6702 April 12, 2016
by Ralphxyz
USBasp Help! 3 5604 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 7797 May 04, 2015
by mongo
Need to replace Wall Watt 16 5095 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4789 April 10, 2015
by Noter
My new 3D Printer 44 20341 April 07, 2015
by Rick_S
AtMega 644 2 4919 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 3959 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4524 June 02, 2014
by JKITSON
Automated programming mode? 9 4848 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4462 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4397 January 28, 2014
by lailai
What kind of error is this? 4 4338 January 23, 2014
by Noter
How to double a DC voltage? 20 11617 January 12, 2014
by JKITSON
Is the code the driver? 2 4115 January 12, 2014
by Ralphxyz
Miniature headers 6 4432 January 01, 2014
by Ralphxyz
BLDC 8 4451 December 23, 2013
by esoderberg
I need help finding a terminal. 17 4965 November 26, 2013
by Rick_S
GLCD SPI problems 14 8297 November 10, 2013
by andyi
Moving on... 7 4296 November 08, 2013
by Pr0ject
Power supply questions 4 5737 October 31, 2013
by sask55
OLED 4 4017 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 15890 September 22, 2013
by sask55
Opto Interrupter once again 14 8590 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4474 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11352 September 02, 2013
by Ralphxyz
USB cable specifications 7 5818 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 4894 August 27, 2013
by Affarram
XMEGA Breakout 8 5279 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4027 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4699 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4725 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 10848 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15469 June 18, 2013
by Noter
Two Wrongs Make it Right 3 3959 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4635 April 08, 2013
by pcbolt
Using diode to drop voltage 12 65556 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3847 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4304 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8455 March 14, 2013
by mongo
Current vs Voltage 8 5387 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5033 March 09, 2013
by lnino
Electric current 2 3835 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6775 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9405 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 8803 February 28, 2013
by BobaMosfet
Control electronic door opener 15 4860 February 24, 2013
by lnino
Relay Question 27 8102 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7763 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5290 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5225 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 4928 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4553 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5142 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4503 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5343 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 3904 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4003 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4485 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 9836 November 18, 2012
by carlhako
SPI slave clock 6 4669 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4101 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 30425 October 23, 2012
by Noter
NPN circuit connection quandry 4 4649 September 24, 2012
by edb
Simple I/O circuit 4 4300 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4102 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3758 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6449 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4322 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6670 September 13, 2012
by dan_engbers
Electronics simulation 8 4971 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7045 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4220 August 20, 2012
by rblalock
louder sound 2 3989 August 18, 2012
by mongo
connector or cable for LCD display? 4 4215 August 13, 2012
by missle3944
Powering L.E.Ds 5 4341 August 09, 2012
by BobaMosfet
Wires in U.K 5 4810 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4726 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7615 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7347 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5123 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22587 July 21, 2012
by lnino
um help 6 3818 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4839 July 18, 2012
by Ralphxyz
help me 11 4691 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4097 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5359 June 24, 2012
by Ralphxyz
HELP 3 3863 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14721 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 3972 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5893 June 17, 2012
by RogerFL
Programmable current source 6 5801 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5478 June 11, 2012
by mongo
HELP 6 4182 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4526 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 49918 May 24, 2012
by Ralphxyz
i need a code 8 4584 May 15, 2012
by pcbolt
Clock Accuracy 30 9203 May 14, 2012
by HexManiac
Relays and Controlling them 9 4531 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4803 May 09, 2012
by RogerFL
Powering your NerdKit 7 4394 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4425 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7599 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4850 April 24, 2012
by pcbolt
Programs will not run 6 4304 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 4932 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4620 April 09, 2012
by Ralphxyz
Path Lights controller 2 4175 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4290 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4798 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4397 April 01, 2012
by JamesFysh
Question on LCD screen 5 4403 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4345 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5604 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5243 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 8965 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4474 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5602 March 15, 2012
by mongo
Digital servo issues! 9 4974 March 15, 2012
by Rick_S
Brushless motor control 16 5332 March 12, 2012
by hevans
Windows not detecting device 3 4135 March 10, 2012
by hevans
Voltage throught MCU 5 4108 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 19863 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11632 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 20693 March 01, 2012
by hevans
Up and running... 3 3938 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4602 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 4934 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4182 February 24, 2012
by Rick_S
programming lcd trubs 7 4234 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 4958 February 18, 2012
by Rick_S
Oscilloscope 15 6225 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10620 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5394 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4575 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11073 February 09, 2012
by mongo
Data transmission 3 5157 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 4947 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6468 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4429 February 03, 2012
by BobaMosfet
connencting two ics to port 3 3998 January 31, 2012
by tchilzer2
H bridge questions 6 4762 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4498 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 4873 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5107 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8222 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4780 January 15, 2012
by Rick_S
Source of power? 19 4895 January 13, 2012
by mongo
symbol defined please? 4 4643 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 17721 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4508 January 06, 2012
by boxvic
Basic LED circuit properties 8 4721 January 06, 2012
by boxvic
Getting Started 3 4228 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5409 January 02, 2012
by bodangly
SMD reflow 16 5494 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4454 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5145 December 23, 2011
by BobaMosfet
Potentiometer 8 5996 December 23, 2011
by huzbum
Fun with Op-Amps 3 6298 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5381 December 19, 2011
by n1cl3
Odessy of the minds 5 4671 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4051 November 27, 2011
by sazD
Initial Load 2 4718 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5364 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6085 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4768 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 9816 November 10, 2011
by jfbrink
Servo Squitter Project 13 4498 November 09, 2011
by Heed
how do i run a program 4 4111 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4342 November 07, 2011
by Heed
Motor control question 2 4137 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9671 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4364 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4275 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 95759 October 24, 2011
by glendon
Measuring Capacitance 9 5790 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4432 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6144 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 22489 October 16, 2011
by sask55
RxD / TxD Questions 10 7516 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4518 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4402 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4660 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4212 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13266 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5841 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24206 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 12842 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4132 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7659 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13567 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8776 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5230 September 01, 2011
by BobaMosfet
Dim LED 3 4078 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4599 August 23, 2011
by Twarter369
Easy Transistor Question 4 5206 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 6929 August 18, 2011
by Ralphxyz
Building a coil?? 12 6970 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4513 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4166 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 3982 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 3939 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 23881 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5254 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4672 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4380 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4422 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7204 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4060 July 17, 2011
by codenamejupiterx
avr macpack 3 4457 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4417 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4487 July 13, 2011
by BobaMosfet
Battery clip wires 3 4013 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3880 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4183 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4408 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4803 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25023 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4387 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4603 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6680 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4631 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4675 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4602 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5116 June 06, 2011
by mja
A couple of questions 3 4294 June 06, 2011
by Ralphxyz
How much should I strip? 3 4368 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4825 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4232 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4572 May 29, 2011
by Rick_S
Digital Input Question 4 4318 May 28, 2011
by frankdwest
PCB arrived 20 4305 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 4893 May 24, 2011
by gcharris
Calculating bypass capacitor 6 23779 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 4905 May 09, 2011
by Noter
IR current 6 4616 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5309 May 04, 2011
by hariharan
Heat sensors 21 5666 May 04, 2011
by Hexorg
error 1 2 4138 May 02, 2011
by hevans
Transistor vs mosfet 13 12315 May 01, 2011
by Noter
PCB trace width calculator 3 5756 April 24, 2011
by esoderberg
OLED display 10 5440 April 23, 2011
by Rick_S
Power Supplies 17 6009 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4134 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4848 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4221 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5300 April 19, 2011
by mongo
Connecting to external control voltages 4 4261 April 19, 2011
by bretm
IR current question 7 4377 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5154 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5320 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4630 April 10, 2011
by uml_12
Basic projects 3 4292 April 09, 2011
by mongo
REFLOW oven 22 7231 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14384 April 07, 2011
by bretm
unexpected MCU rebooting 82 9235 April 05, 2011
by sask55
REFLOW Soldering 3 5210 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4562 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 6906 March 30, 2011
by bretm
Black Display on LCD 6 4573 March 28, 2011
by Druidman
32kHz clock 2 4217 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11332 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 11726 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6400 March 16, 2011
by mongo
LCD problem 3 4617 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5187 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5318 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4333 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 7893 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5242 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5162 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12245 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 8863 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5855 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9327 February 19, 2011
by Lusitania
My first Impression 6 4700 February 16, 2011
by devinsbusiness
Understanding battery life 3 5972 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5612 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5231 February 05, 2011
by BobaMosfet
High voltage lines 26 7342 February 02, 2011
by mongo
USB 3 4297 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5299 February 02, 2011
by Jalex
Alternating LED circuit 4 5231 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6535 January 31, 2011
by il1019
Affordable oscilloscopes 43 14469 January 27, 2011
by BStory
"And"gate unfinished thought 2 4409 January 27, 2011
by Hexorg
replace MCU? 30 9396 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 4963 January 25, 2011
by Ralphxyz
Multimeter! 12 7232 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 5883 January 25, 2011
by Jalex
My LED Cube so far 25 10678 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5726 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5152 January 18, 2011
by dgikuljot
Counting 5 4342 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 8951 January 17, 2011
by bretm
Programming 5 5185 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5426 January 11, 2011
by Yourself
Begining 7 5498 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 5888 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5240 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4542 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5069 January 06, 2011
by Mujda
Data input voltage 6 5071 January 03, 2011
by Rick_S
MOSFET Question 7 5222 December 31, 2010
by Keyster
Transistor as a switch 5 5250 December 29, 2010
by Hexorg
Resistors 5 5585 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10457 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5446 December 28, 2010
by BobaMosfet
Relay ratings 2 4788 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20061 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4633 December 17, 2010
by mongo
Power Rectifier 7 5052 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7165 December 14, 2010
by danuke
This a decent oscilloscope? 8 5023 December 14, 2010
by danuke
Do resistors in series really add up? 8 6395 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5833 December 09, 2010
by bretm
L293 H-Bridge 15 6511 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6703 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 6886 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5794 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6310 November 24, 2010
by BobaMosfet
Op-amp not working 6 6612 November 24, 2010
by BobaMosfet
Python questions 4 5600 November 21, 2010
by tkopriva
CE Amp design 5 5089 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5043 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4864 November 05, 2010
by Mujda
PC4 not working?! 8 4712 November 04, 2010
by hapshetsut
Amplifiers 4 4707 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5560 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5625 October 04, 2010
by Scythium
radio interference from NerdKit 11 4733 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9366 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5263 September 11, 2010
by akajester
QFP and dreadboard 2 5158 September 02, 2010
by bretm
Getting power to the spinning part... 5 5044 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 12891 August 30, 2010
by Ralphxyz
morse code decoder 2 5152 August 26, 2010
by jonathan_m
Connecting to Computer 3 5092 August 25, 2010
by awesome
555 astable on breadboard 12 6636 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4723 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5224 August 19, 2010
by hevans
mosfet 3 4514 August 13, 2010
by hevans
Good material on learning electronics. 8 5499 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4387 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 6989 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6321 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9580 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6780 July 02, 2010
by mongo
Electro Cardio Gram 4 5620 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4457 June 12, 2010
by Wobbler
Voltage Regulator 20 6142 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5697 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6334 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6015 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5212 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4450 June 06, 2010
by Kafke
TSSOP IC! 4 5213 June 03, 2010
by mrobbins
AVcc 2 5464 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4661 May 31, 2010
by hevans
Cable Driver 2 4348 May 31, 2010
by mongo
Best 9V adapter to use 2 4774 May 28, 2010
by mongo
Unidirectional microphones 5 5024 May 27, 2010
by mongo
Servo question 3 4504 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5171 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5030 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6692 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11468 May 21, 2010
by hevans
Chinese Solenoid 15 4963 May 10, 2010
by treymd
avrisp mkii circuit 4 6234 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4565 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 9771 May 07, 2010
by rajabalu21
Simple Power Switch 6 4658 May 05, 2010
by avicell
I can haz speed! 3 5007 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6491 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5327 April 21, 2010
by bretm
Help with choosing the right resistor 10 6429 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 10976 April 15, 2010
by bretm
Resistor 4 4359 April 15, 2010
by mongo
MCU digital input pins 3 4558 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4828 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10712 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6806 March 28, 2010
by carlhako
Laptop ground safety question 3 4879 March 27, 2010
by ese
LM34 R-C Damper 5 6468 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5179 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4447 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6494 March 23, 2010
by ese
constant system reset 3 4368 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5142 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6167 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5482 March 17, 2010
by Frozenlock
What is -VS? 6 8504 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6310 March 04, 2010
by treymd
Using MCU to connect two wires 3 5349 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 9927 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4804 March 02, 2010
by Solorbob
Deciphering power resistors 11 5158 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4573 March 01, 2010
by nrotstan
Understanding LEDs 16 7690 March 01, 2010
by michaeldallas
What's the part I need? 5 4640 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11672 February 23, 2010
by rajabalu21
Too much power? 14 5412 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6079 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6010 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13379 February 18, 2010
by Rick_S
Serial port interface circuit 2 5570 February 17, 2010
by mongo
OBDII project 3 4652 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8139 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7344 February 13, 2010
by BobaMosfet
Digital pots 5 4894 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5169 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6017 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7383 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7588 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5446 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7126 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 10931 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5774 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5038 December 27, 2009
by jgauthier
Servo Signal Noise 2 4588 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 7893 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11373 December 10, 2009
by georgio
Relays and transistors 12 9362 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9423 December 09, 2009
by Rick_S
IR Detector 7 8852 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5622 November 19, 2009
by mikedoug
Debug with lcd 6 5589 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5090 November 15, 2009
by tech20
Understanding output pin characteristics 4 4937 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 6878 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5210 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 48573 October 30, 2009
by BobaMosfet
DIY header unit 2 5445 October 10, 2009
by rusirius
Thermostat Logging 6 7044 October 09, 2009
by luke
Understanding transistors 6 6770 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10684 October 07, 2009
by mikedoug
Currant booster 3 4584 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5579 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13527 August 27, 2009
by hevans
Which LED? 14 5321 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6324 August 07, 2009
by mongo
pull up, pull down resistors 7 17747 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11645 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7531 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 6978 July 07, 2009
by sector0
Reset switch for circuit 3 5253 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31876 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6356 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5141 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5270 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5768 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5098 May 06, 2009
by paulip

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