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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8940 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8302 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 7024 April 12, 2016
by Ralphxyz
USBasp Help! 3 5926 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8203 May 04, 2015
by mongo
Need to replace Wall Watt 16 5426 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5072 April 10, 2015
by Noter
My new 3D Printer 44 20656 April 07, 2015
by Rick_S
AtMega 644 2 5112 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4154 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4838 June 02, 2014
by JKITSON
Automated programming mode? 9 5124 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4700 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4729 January 28, 2014
by lailai
What kind of error is this? 4 4525 January 23, 2014
by Noter
How to double a DC voltage? 20 11946 January 12, 2014
by JKITSON
Is the code the driver? 2 4419 January 12, 2014
by Ralphxyz
Miniature headers 6 4633 January 01, 2014
by Ralphxyz
BLDC 8 4727 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5323 November 26, 2013
by Rick_S
GLCD SPI problems 14 8589 November 10, 2013
by andyi
Moving on... 7 4522 November 08, 2013
by Pr0ject
Power supply questions 4 6098 October 31, 2013
by sask55
OLED 4 4295 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16332 September 22, 2013
by sask55
Opto Interrupter once again 14 8985 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4702 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11740 September 02, 2013
by Ralphxyz
USB cable specifications 7 6279 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5232 August 27, 2013
by Affarram
XMEGA Breakout 8 5599 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4252 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4926 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4973 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11627 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16290 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4266 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4869 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66360 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4063 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4622 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8793 March 14, 2013
by mongo
Current vs Voltage 8 5695 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5270 March 09, 2013
by lnino
Electric current 2 4043 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6982 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9878 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9490 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5123 February 24, 2013
by lnino
Relay Question 27 8390 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8082 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5566 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5422 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5200 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4786 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5481 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4783 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5607 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4124 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4195 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4685 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10262 November 18, 2012
by carlhako
SPI slave clock 6 4919 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4304 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31362 October 23, 2012
by Noter
NPN circuit connection quandry 4 4880 September 24, 2012
by edb
Simple I/O circuit 4 4533 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4305 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4037 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6867 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4527 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6916 September 13, 2012
by dan_engbers
Electronics simulation 8 5159 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7329 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4433 August 20, 2012
by rblalock
louder sound 2 4203 August 18, 2012
by mongo
connector or cable for LCD display? 4 4423 August 13, 2012
by missle3944
Powering L.E.Ds 5 4552 August 09, 2012
by BobaMosfet
Wires in U.K 5 5022 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4936 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 8062 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7600 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5403 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22933 July 21, 2012
by lnino
um help 6 4011 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5066 July 18, 2012
by Ralphxyz
help me 11 4923 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4324 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5642 June 24, 2012
by Ralphxyz
HELP 3 4060 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15066 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4173 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6097 June 17, 2012
by RogerFL
Programmable current source 6 6163 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5694 June 11, 2012
by mongo
HELP 6 4391 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4793 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52510 May 24, 2012
by Ralphxyz
i need a code 8 4791 May 15, 2012
by pcbolt
Clock Accuracy 30 9468 May 14, 2012
by HexManiac
Relays and Controlling them 9 4772 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 5035 May 09, 2012
by RogerFL
Powering your NerdKit 7 4615 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4647 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7900 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5039 April 24, 2012
by pcbolt
Programs will not run 6 4532 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5178 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4831 April 09, 2012
by Ralphxyz
Path Lights controller 2 4394 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4511 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5059 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4605 April 01, 2012
by JamesFysh
Question on LCD screen 5 4615 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4583 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5915 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5523 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9251 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4694 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 6003 March 15, 2012
by mongo
Digital servo issues! 9 5235 March 15, 2012
by Rick_S
Brushless motor control 16 5564 March 12, 2012
by hevans
Windows not detecting device 3 4363 March 10, 2012
by hevans
Voltage throught MCU 5 4374 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20276 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 12121 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21521 March 01, 2012
by hevans
Up and running... 3 4160 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4817 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5174 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4406 February 24, 2012
by Rick_S
programming lcd trubs 7 4519 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5193 February 18, 2012
by Rick_S
Oscilloscope 15 6477 February 18, 2012
by Osarus
How far away can a LM34 be? 16 11001 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5619 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4802 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 12084 February 09, 2012
by mongo
Data transmission 3 5359 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5165 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6736 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4660 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4196 January 31, 2012
by tchilzer2
H bridge questions 6 4991 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4739 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5158 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5362 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8491 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 5024 January 15, 2012
by Rick_S
Source of power? 19 5159 January 13, 2012
by mongo
symbol defined please? 4 4832 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18225 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4740 January 06, 2012
by boxvic
Basic LED circuit properties 8 4964 January 06, 2012
by boxvic
Getting Started 3 4430 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5621 January 02, 2012
by bodangly
SMD reflow 16 5731 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4690 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5352 December 23, 2011
by BobaMosfet
Potentiometer 8 6328 December 23, 2011
by huzbum
Fun with Op-Amps 3 6568 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5649 December 19, 2011
by n1cl3
Odessy of the minds 5 4878 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4262 November 27, 2011
by sazD
Initial Load 2 4909 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5646 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6322 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4974 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10159 November 10, 2011
by jfbrink
Servo Squitter Project 13 4724 November 09, 2011
by Heed
how do i run a program 4 4281 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4537 November 07, 2011
by Heed
Motor control question 2 4324 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10053 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4603 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4492 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 97789 October 24, 2011
by glendon
Measuring Capacitance 9 6023 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4633 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6387 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23268 October 16, 2011
by sask55
RxD / TxD Questions 10 7960 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4719 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4609 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4898 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4393 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 14256 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6092 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24605 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13327 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4339 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7925 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14059 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 9041 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5481 September 01, 2011
by BobaMosfet
Dim LED 3 4301 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4812 August 23, 2011
by Twarter369
Easy Transistor Question 4 5460 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7423 August 18, 2011
by Ralphxyz
Building a coil?? 12 7231 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4717 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4373 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4199 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4136 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24299 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5467 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4876 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4583 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4625 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7428 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4288 July 17, 2011
by codenamejupiterx
avr macpack 3 4659 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4650 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4759 July 13, 2011
by BobaMosfet
Battery clip wires 3 4200 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4097 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4381 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4633 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5095 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25437 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4609 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4838 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6958 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4895 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4906 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4778 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5404 June 06, 2011
by mja
A couple of questions 3 4511 June 06, 2011
by Ralphxyz
How much should I strip? 3 4574 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5058 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4460 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4795 May 29, 2011
by Rick_S
Digital Input Question 4 4528 May 28, 2011
by frankdwest
PCB arrived 20 4513 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5162 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24204 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5116 May 09, 2011
by Noter
IR current 6 4812 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5543 May 04, 2011
by hariharan
Heat sensors 21 5920 May 04, 2011
by Hexorg
error 1 2 4409 May 02, 2011
by hevans
Transistor vs mosfet 13 12708 May 01, 2011
by Noter
PCB trace width calculator 3 5971 April 24, 2011
by esoderberg
OLED display 10 5696 April 23, 2011
by Rick_S
Power Supplies 17 6240 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4335 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5038 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4490 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5509 April 19, 2011
by mongo
Connecting to external control voltages 4 4458 April 19, 2011
by bretm
IR current question 7 4581 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5374 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5571 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4829 April 10, 2011
by uml_12
Basic projects 3 4502 April 09, 2011
by mongo
REFLOW oven 22 7466 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14860 April 07, 2011
by bretm
unexpected MCU rebooting 82 9537 April 05, 2011
by sask55
REFLOW Soldering 3 5470 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4802 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7149 March 30, 2011
by bretm
Black Display on LCD 6 4768 March 28, 2011
by Druidman
32kHz clock 2 4422 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11686 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12287 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6643 March 16, 2011
by mongo
LCD problem 3 4811 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5443 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5518 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4524 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8254 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5469 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5411 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12464 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9212 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6099 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9560 February 19, 2011
by Lusitania
My first Impression 6 4937 February 16, 2011
by devinsbusiness
Understanding battery life 3 6263 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5828 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5471 February 05, 2011
by BobaMosfet
High voltage lines 26 7672 February 02, 2011
by mongo
USB 3 4476 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5560 February 02, 2011
by Jalex
Alternating LED circuit 4 5431 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6776 January 31, 2011
by il1019
Affordable oscilloscopes 43 15160 January 27, 2011
by BStory
"And"gate unfinished thought 2 4632 January 27, 2011
by Hexorg
replace MCU? 30 9751 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5202 January 25, 2011
by Ralphxyz
Multimeter! 12 7494 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6135 January 25, 2011
by Jalex
My LED Cube so far 25 10913 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5925 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5362 January 18, 2011
by dgikuljot
Counting 5 4585 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9244 January 17, 2011
by bretm
Programming 5 5465 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5651 January 11, 2011
by Yourself
Begining 7 5733 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6113 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5441 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4761 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5303 January 06, 2011
by Mujda
Data input voltage 6 5295 January 03, 2011
by Rick_S
MOSFET Question 7 5452 December 31, 2010
by Keyster
Transistor as a switch 5 5491 December 29, 2010
by Hexorg
Resistors 5 5847 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10796 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5706 December 28, 2010
by BobaMosfet
Relay ratings 2 5012 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20362 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4847 December 17, 2010
by mongo
Power Rectifier 7 7141 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7487 December 14, 2010
by danuke
This a decent oscilloscope? 8 5252 December 14, 2010
by danuke
Do resistors in series really add up? 8 6685 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6077 December 09, 2010
by bretm
L293 H-Bridge 15 6766 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6983 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7150 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6049 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6577 November 24, 2010
by BobaMosfet
Op-amp not working 6 6849 November 24, 2010
by BobaMosfet
Python questions 4 5805 November 21, 2010
by tkopriva
CE Amp design 5 5364 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5249 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5107 November 05, 2010
by Mujda
PC4 not working?! 8 4968 November 04, 2010
by hapshetsut
Amplifiers 4 4918 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5783 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5880 October 04, 2010
by Scythium
radio interference from NerdKit 11 5007 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9629 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5478 September 11, 2010
by akajester
QFP and dreadboard 2 5378 September 02, 2010
by bretm
Getting power to the spinning part... 5 5233 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13195 August 30, 2010
by Ralphxyz
morse code decoder 2 5347 August 26, 2010
by jonathan_m
Connecting to Computer 3 5329 August 25, 2010
by awesome
555 astable on breadboard 12 6839 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4952 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5450 August 19, 2010
by hevans
mosfet 3 4712 August 13, 2010
by hevans
Good material on learning electronics. 8 5715 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4596 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7330 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6536 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9954 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 7012 July 02, 2010
by mongo
Electro Cardio Gram 4 5900 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4655 June 12, 2010
by Wobbler
Voltage Regulator 20 6378 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5926 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6596 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6235 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5434 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4669 June 06, 2010
by Kafke
TSSOP IC! 4 5439 June 03, 2010
by mrobbins
AVcc 2 5672 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4879 May 31, 2010
by hevans
Cable Driver 2 4558 May 31, 2010
by mongo
Best 9V adapter to use 2 4996 May 28, 2010
by mongo
Unidirectional microphones 5 5234 May 27, 2010
by mongo
Servo question 3 4721 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5406 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5257 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6933 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11914 May 21, 2010
by hevans
Chinese Solenoid 15 5233 May 10, 2010
by treymd
avrisp mkii circuit 4 6438 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4779 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10148 May 07, 2010
by rajabalu21
Simple Power Switch 6 4864 May 05, 2010
by avicell
I can haz speed! 3 5219 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6732 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5565 April 21, 2010
by bretm
Help with choosing the right resistor 10 6665 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11440 April 15, 2010
by bretm
Resistor 4 4582 April 15, 2010
by mongo
MCU digital input pins 3 4784 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5069 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10953 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 7009 March 28, 2010
by carlhako
Laptop ground safety question 3 5089 March 27, 2010
by ese
LM34 R-C Damper 5 6672 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5391 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4692 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6701 March 23, 2010
by ese
constant system reset 3 4586 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5361 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6449 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5688 March 17, 2010
by Frozenlock
What is -VS? 6 8760 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6499 March 04, 2010
by treymd
Using MCU to connect two wires 3 5582 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10389 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 5018 March 02, 2010
by Solorbob
Deciphering power resistors 11 5408 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4786 March 01, 2010
by nrotstan
Understanding LEDs 16 8010 March 01, 2010
by michaeldallas
What's the part I need? 5 4895 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11939 February 23, 2010
by rajabalu21
Too much power? 14 5644 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6307 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6260 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13800 February 18, 2010
by Rick_S
Serial port interface circuit 2 5793 February 17, 2010
by mongo
OBDII project 3 4854 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8464 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7623 February 13, 2010
by BobaMosfet
Digital pots 5 5084 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5411 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6287 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7698 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7848 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5647 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7445 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11344 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 6037 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5241 December 27, 2009
by jgauthier
Servo Signal Noise 2 4797 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8181 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11644 December 10, 2009
by georgio
Relays and transistors 12 9622 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9687 December 09, 2009
by Rick_S
IR Detector 7 9230 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5851 November 19, 2009
by mikedoug
Debug with lcd 6 5810 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5275 November 15, 2009
by tech20
Understanding output pin characteristics 4 5186 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7197 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5460 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49321 October 30, 2009
by BobaMosfet
DIY header unit 2 5633 October 10, 2009
by rusirius
Thermostat Logging 6 7298 October 09, 2009
by luke
Understanding transistors 6 6976 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10968 October 07, 2009
by mikedoug
Currant booster 3 4793 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5774 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13830 August 27, 2009
by hevans
Which LED? 14 5549 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6582 August 07, 2009
by mongo
pull up, pull down resistors 7 18006 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 12005 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7829 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7224 July 07, 2009
by sector0
Reset switch for circuit 3 5453 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32093 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6589 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5351 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5510 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5977 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5322 May 06, 2009
by paulip

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