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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8711 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8121 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6865 April 12, 2016
by Ralphxyz
USBasp Help! 3 5761 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 7982 May 04, 2015
by mongo
Need to replace Wall Watt 16 5280 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4941 April 10, 2015
by Noter
My new 3D Printer 44 20503 April 07, 2015
by Rick_S
AtMega 644 2 5014 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4059 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4709 June 02, 2014
by JKITSON
Automated programming mode? 9 4998 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4575 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4592 January 28, 2014
by lailai
What kind of error is this? 4 4429 January 23, 2014
by Noter
How to double a DC voltage? 20 11786 January 12, 2014
by JKITSON
Is the code the driver? 2 4276 January 12, 2014
by Ralphxyz
Miniature headers 6 4533 January 01, 2014
by Ralphxyz
BLDC 8 4603 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5170 November 26, 2013
by Rick_S
GLCD SPI problems 14 8452 November 10, 2013
by andyi
Moving on... 7 4409 November 08, 2013
by Pr0ject
Power supply questions 4 5944 October 31, 2013
by sask55
OLED 4 4170 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16119 September 22, 2013
by sask55
Opto Interrupter once again 14 8816 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4596 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11536 September 02, 2013
by Ralphxyz
USB cable specifications 7 6064 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5078 August 27, 2013
by Affarram
XMEGA Breakout 8 5448 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4144 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4816 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4845 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11095 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15735 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4130 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4752 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66022 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3952 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4473 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8636 March 14, 2013
by mongo
Current vs Voltage 8 5568 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5168 March 09, 2013
by lnino
Electric current 2 3943 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6883 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9588 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9040 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5009 February 24, 2013
by lnino
Relay Question 27 8263 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7928 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5437 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5327 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5083 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4691 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5307 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4656 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5493 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4012 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4105 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4589 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10007 November 18, 2012
by carlhako
SPI slave clock 6 4798 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4204 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 30915 October 23, 2012
by Noter
NPN circuit connection quandry 4 4771 September 24, 2012
by edb
Simple I/O circuit 4 4423 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4210 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3891 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6674 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4428 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6802 September 13, 2012
by dan_engbers
Electronics simulation 8 5073 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7179 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4330 August 20, 2012
by rblalock
louder sound 2 4108 August 18, 2012
by mongo
connector or cable for LCD display? 4 4324 August 13, 2012
by missle3944
Powering L.E.Ds 5 4451 August 09, 2012
by BobaMosfet
Wires in U.K 5 4921 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4827 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7776 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7471 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5255 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22757 July 21, 2012
by lnino
um help 6 3922 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4961 July 18, 2012
by Ralphxyz
help me 11 4812 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4212 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5506 June 24, 2012
by Ralphxyz
HELP 3 3960 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14876 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4067 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5995 June 17, 2012
by RogerFL
Programmable current source 6 5981 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5585 June 11, 2012
by mongo
HELP 6 4290 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4679 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 50725 May 24, 2012
by Ralphxyz
i need a code 8 4692 May 15, 2012
by pcbolt
Clock Accuracy 30 9343 May 14, 2012
by HexManiac
Relays and Controlling them 9 4650 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4929 May 09, 2012
by RogerFL
Powering your NerdKit 7 4513 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4535 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7744 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4946 April 24, 2012
by pcbolt
Programs will not run 6 4421 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5038 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4732 April 09, 2012
by Ralphxyz
Path Lights controller 2 4289 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4408 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4930 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4503 April 01, 2012
by JamesFysh
Question on LCD screen 5 4512 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4466 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5777 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5401 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9101 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4599 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5762 March 15, 2012
by mongo
Digital servo issues! 9 5101 March 15, 2012
by Rick_S
Brushless motor control 16 5449 March 12, 2012
by hevans
Windows not detecting device 3 4244 March 10, 2012
by hevans
Voltage throught MCU 5 4259 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20097 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11834 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21030 March 01, 2012
by hevans
Up and running... 3 4054 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4714 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5074 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4296 February 24, 2012
by Rick_S
programming lcd trubs 7 4374 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5073 February 18, 2012
by Rick_S
Oscilloscope 15 6343 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10835 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5514 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4701 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11303 February 09, 2012
by mongo
Data transmission 3 5256 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5056 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6628 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4544 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4105 January 31, 2012
by tchilzer2
H bridge questions 6 4877 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4618 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5041 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5245 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8361 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4898 January 15, 2012
by Rick_S
Source of power? 19 5037 January 13, 2012
by mongo
symbol defined please? 4 4738 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 17983 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4638 January 06, 2012
by boxvic
Basic LED circuit properties 8 4857 January 06, 2012
by boxvic
Getting Started 3 4337 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5521 January 02, 2012
by bodangly
SMD reflow 16 5621 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4587 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5259 December 23, 2011
by BobaMosfet
Potentiometer 8 6192 December 23, 2011
by huzbum
Fun with Op-Amps 3 6435 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5506 December 19, 2011
by n1cl3
Odessy of the minds 5 4782 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4146 November 27, 2011
by sazD
Initial Load 2 4819 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5518 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6211 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4887 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10011 November 10, 2011
by jfbrink
Servo Squitter Project 13 4617 November 09, 2011
by Heed
how do i run a program 4 4193 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4448 November 07, 2011
by Heed
Motor control question 2 4239 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9857 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4489 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4376 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 96357 October 24, 2011
by glendon
Measuring Capacitance 9 5912 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4536 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6283 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 22833 October 16, 2011
by sask55
RxD / TxD Questions 10 7705 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4617 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4512 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4801 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4314 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13635 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5977 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24398 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13068 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4245 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7804 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13818 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8911 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5356 September 01, 2011
by BobaMosfet
Dim LED 3 4187 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4713 August 23, 2011
by Twarter369
Easy Transistor Question 4 5339 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7084 August 18, 2011
by Ralphxyz
Building a coil?? 12 7108 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4616 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4260 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4091 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4038 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24111 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5370 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4779 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4490 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4532 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7307 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4186 July 17, 2011
by codenamejupiterx
avr macpack 3 4561 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4551 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4631 July 13, 2011
by BobaMosfet
Battery clip wires 3 4121 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3987 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4293 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4532 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4946 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25240 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4497 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4735 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6819 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4766 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4783 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4698 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5250 June 06, 2011
by mja
A couple of questions 3 4403 June 06, 2011
by Ralphxyz
How much should I strip? 3 4472 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4965 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4348 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4680 May 29, 2011
by Rick_S
Digital Input Question 4 4420 May 28, 2011
by frankdwest
PCB arrived 20 4416 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5060 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24005 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5003 May 09, 2011
by Noter
IR current 6 4720 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5427 May 04, 2011
by hariharan
Heat sensors 21 5802 May 04, 2011
by Hexorg
error 1 2 4281 May 02, 2011
by hevans
Transistor vs mosfet 13 12542 May 01, 2011
by Noter
PCB trace width calculator 3 5877 April 24, 2011
by esoderberg
OLED display 10 5583 April 23, 2011
by Rick_S
Power Supplies 17 6143 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4245 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4950 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4387 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5404 April 19, 2011
by mongo
Connecting to external control voltages 4 4366 April 19, 2011
by bretm
IR current question 7 4480 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5273 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5451 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4735 April 10, 2011
by uml_12
Basic projects 3 4410 April 09, 2011
by mongo
REFLOW oven 22 7353 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14635 April 07, 2011
by bretm
unexpected MCU rebooting 82 9363 April 05, 2011
by sask55
REFLOW Soldering 3 5323 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4699 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7035 March 30, 2011
by bretm
Black Display on LCD 6 4679 March 28, 2011
by Druidman
32kHz clock 2 4331 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11477 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 11983 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6525 March 16, 2011
by mongo
LCD problem 3 4724 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5325 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5427 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4432 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8097 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5370 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5298 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12356 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9040 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5986 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9434 February 19, 2011
by Lusitania
My first Impression 6 4830 February 16, 2011
by devinsbusiness
Understanding battery life 3 6102 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5732 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5354 February 05, 2011
by BobaMosfet
High voltage lines 26 7521 February 02, 2011
by mongo
USB 3 4386 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5438 February 02, 2011
by Jalex
Alternating LED circuit 4 5334 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6663 January 31, 2011
by il1019
Affordable oscilloscopes 43 14774 January 27, 2011
by BStory
"And"gate unfinished thought 2 4522 January 27, 2011
by Hexorg
replace MCU? 30 9556 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5086 January 25, 2011
by Ralphxyz
Multimeter! 12 7373 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6020 January 25, 2011
by Jalex
My LED Cube so far 25 10801 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5838 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5260 January 18, 2011
by dgikuljot
Counting 5 4472 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9112 January 17, 2011
by bretm
Programming 5 5336 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5539 January 11, 2011
by Yourself
Begining 7 5615 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6011 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5347 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4643 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5184 January 06, 2011
by Mujda
Data input voltage 6 5177 January 03, 2011
by Rick_S
MOSFET Question 7 5335 December 31, 2010
by Keyster
Transistor as a switch 5 5371 December 29, 2010
by Hexorg
Resistors 5 5726 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10630 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5587 December 28, 2010
by BobaMosfet
Relay ratings 2 4902 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20226 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4744 December 17, 2010
by mongo
Power Rectifier 7 7031 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7355 December 14, 2010
by danuke
This a decent oscilloscope? 8 5142 December 14, 2010
by danuke
Do resistors in series really add up? 8 6544 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5958 December 09, 2010
by bretm
L293 H-Bridge 15 6642 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6843 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7012 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5939 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6446 November 24, 2010
by BobaMosfet
Op-amp not working 6 6734 November 24, 2010
by BobaMosfet
Python questions 4 5700 November 21, 2010
by tkopriva
CE Amp design 5 5228 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5147 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4992 November 05, 2010
by Mujda
PC4 not working?! 8 4852 November 04, 2010
by hapshetsut
Amplifiers 4 4820 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5678 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5764 October 04, 2010
by Scythium
radio interference from NerdKit 11 4867 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9512 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5369 September 11, 2010
by akajester
QFP and dreadboard 2 5268 September 02, 2010
by bretm
Getting power to the spinning part... 5 5139 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13062 August 30, 2010
by Ralphxyz
morse code decoder 2 5253 August 26, 2010
by jonathan_m
Connecting to Computer 3 5228 August 25, 2010
by awesome
555 astable on breadboard 12 6745 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4856 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5357 August 19, 2010
by hevans
mosfet 3 4625 August 13, 2010
by hevans
Good material on learning electronics. 8 5615 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4499 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7162 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6429 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9783 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6909 July 02, 2010
by mongo
Electro Cardio Gram 4 5771 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4551 June 12, 2010
by Wobbler
Voltage Regulator 20 6277 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5811 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6487 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6140 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5328 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4567 June 06, 2010
by Kafke
TSSOP IC! 4 5337 June 03, 2010
by mrobbins
AVcc 2 5566 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4774 May 31, 2010
by hevans
Cable Driver 2 4450 May 31, 2010
by mongo
Best 9V adapter to use 2 4889 May 28, 2010
by mongo
Unidirectional microphones 5 5139 May 27, 2010
by mongo
Servo question 3 4603 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5308 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5149 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6833 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11730 May 21, 2010
by hevans
Chinese Solenoid 15 5121 May 10, 2010
by treymd
avrisp mkii circuit 4 6341 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4676 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 9981 May 07, 2010
by rajabalu21
Simple Power Switch 6 4773 May 05, 2010
by avicell
I can haz speed! 3 5119 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6621 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5449 April 21, 2010
by bretm
Help with choosing the right resistor 10 6561 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11212 April 15, 2010
by bretm
Resistor 4 4481 April 15, 2010
by mongo
MCU digital input pins 3 4664 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4968 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10843 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6917 March 28, 2010
by carlhako
Laptop ground safety question 3 4996 March 27, 2010
by ese
LM34 R-C Damper 5 6570 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5296 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4577 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6603 March 23, 2010
by ese
constant system reset 3 4489 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5253 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6318 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5591 March 17, 2010
by Frozenlock
What is -VS? 6 8646 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6408 March 04, 2010
by treymd
Using MCU to connect two wires 3 5487 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10131 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4908 March 02, 2010
by Solorbob
Deciphering power resistors 11 5290 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4682 March 01, 2010
by nrotstan
Understanding LEDs 16 7866 March 01, 2010
by michaeldallas
What's the part I need? 5 4797 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11819 February 23, 2010
by rajabalu21
Too much power? 14 5537 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6214 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6137 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13609 February 18, 2010
by Rick_S
Serial port interface circuit 2 5694 February 17, 2010
by mongo
OBDII project 3 4753 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8322 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7497 February 13, 2010
by BobaMosfet
Digital pots 5 4993 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5301 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6160 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7571 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7712 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5568 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7292 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11116 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5923 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5144 December 27, 2009
by jgauthier
Servo Signal Noise 2 4708 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8053 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11505 December 10, 2009
by georgio
Relays and transistors 12 9508 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9565 December 09, 2009
by Rick_S
IR Detector 7 9052 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5757 November 19, 2009
by mikedoug
Debug with lcd 6 5706 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5189 November 15, 2009
by tech20
Understanding output pin characteristics 4 5069 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7047 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5359 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 48894 October 30, 2009
by BobaMosfet
DIY header unit 2 5545 October 10, 2009
by rusirius
Thermostat Logging 6 7180 October 09, 2009
by luke
Understanding transistors 6 6883 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10857 October 07, 2009
by mikedoug
Currant booster 3 4695 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5679 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13687 August 27, 2009
by hevans
Which LED? 14 5441 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6476 August 07, 2009
by mongo
pull up, pull down resistors 7 17870 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11805 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7719 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7109 July 07, 2009
by sector0
Reset switch for circuit 3 5359 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31979 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6475 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5246 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5385 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5877 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5208 May 06, 2009
by paulip

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