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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8369 July 27, 2019
by BobaMosfet
mosfet control during start up 5 7911 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6686 April 12, 2016
by Ralphxyz
USBasp Help! 3 5586 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 7778 May 04, 2015
by mongo
Need to replace Wall Watt 16 5070 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4778 April 10, 2015
by Noter
My new 3D Printer 44 20322 April 07, 2015
by Rick_S
AtMega 644 2 4860 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 3944 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4506 June 02, 2014
by JKITSON
Automated programming mode? 9 4831 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4455 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4378 January 28, 2014
by lailai
What kind of error is this? 4 4331 January 23, 2014
by Noter
How to double a DC voltage? 20 11594 January 12, 2014
by JKITSON
Is the code the driver? 2 4066 January 12, 2014
by Ralphxyz
Miniature headers 6 4421 January 01, 2014
by Ralphxyz
BLDC 8 4439 December 23, 2013
by esoderberg
I need help finding a terminal. 17 4948 November 26, 2013
by Rick_S
GLCD SPI problems 14 8285 November 10, 2013
by andyi
Moving on... 7 4281 November 08, 2013
by Pr0ject
Power supply questions 4 5716 October 31, 2013
by sask55
OLED 4 4004 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 15821 September 22, 2013
by sask55
Opto Interrupter once again 14 8567 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4444 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11319 September 02, 2013
by Ralphxyz
USB cable specifications 7 5803 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 4880 August 27, 2013
by Affarram
XMEGA Breakout 8 5262 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4014 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4685 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4712 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 10820 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15435 June 18, 2013
by Noter
Two Wrongs Make it Right 3 3943 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4626 April 08, 2013
by pcbolt
Using diode to drop voltage 12 65514 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3837 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4288 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8441 March 14, 2013
by mongo
Current vs Voltage 8 5368 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5022 March 09, 2013
by lnino
Electric current 2 3795 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6765 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9360 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 8777 February 28, 2013
by BobaMosfet
Control electronic door opener 15 4849 February 24, 2013
by lnino
Relay Question 27 8092 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7745 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5275 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5216 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 4915 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4503 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5129 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4465 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5332 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 3895 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 3997 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4473 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 9824 November 18, 2012
by carlhako
SPI slave clock 6 4658 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4091 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 30360 October 23, 2012
by Noter
NPN circuit connection quandry 4 4636 September 24, 2012
by edb
Simple I/O circuit 4 4289 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4080 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3752 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6433 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4307 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6625 September 13, 2012
by dan_engbers
Electronics simulation 8 4960 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7025 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4214 August 20, 2012
by rblalock
louder sound 2 3977 August 18, 2012
by mongo
connector or cable for LCD display? 4 4170 August 13, 2012
by missle3944
Powering L.E.Ds 5 4327 August 09, 2012
by BobaMosfet
Wires in U.K 5 4801 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4712 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7599 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7333 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5109 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22570 July 21, 2012
by lnino
um help 6 3807 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4831 July 18, 2012
by Ralphxyz
help me 11 4683 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4087 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5351 June 24, 2012
by Ralphxyz
HELP 3 3855 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14702 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 3961 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5853 June 17, 2012
by RogerFL
Programmable current source 6 5791 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5466 June 11, 2012
by mongo
HELP 6 4168 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4512 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 49851 May 24, 2012
by Ralphxyz
i need a code 8 4574 May 15, 2012
by pcbolt
Clock Accuracy 30 9188 May 14, 2012
by HexManiac
Relays and Controlling them 9 4513 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4790 May 09, 2012
by RogerFL
Powering your NerdKit 7 4387 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4408 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7588 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4839 April 24, 2012
by pcbolt
Programs will not run 6 4257 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 4918 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4605 April 09, 2012
by Ralphxyz
Path Lights controller 2 4161 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4277 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4786 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4385 April 01, 2012
by JamesFysh
Question on LCD screen 5 4391 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4330 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5594 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5231 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 8951 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4464 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5588 March 15, 2012
by mongo
Digital servo issues! 9 4961 March 15, 2012
by Rick_S
Brushless motor control 16 5323 March 12, 2012
by hevans
Windows not detecting device 3 4125 March 10, 2012
by hevans
Voltage throught MCU 5 4078 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 19840 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11609 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 20669 March 01, 2012
by hevans
Up and running... 3 3923 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4591 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 4923 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4167 February 24, 2012
by Rick_S
programming lcd trubs 7 4213 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 4946 February 18, 2012
by Rick_S
Oscilloscope 15 6207 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10565 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5384 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4568 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 10995 February 09, 2012
by mongo
Data transmission 3 5144 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 4938 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6424 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4388 February 03, 2012
by BobaMosfet
connencting two ics to port 3 3991 January 31, 2012
by tchilzer2
H bridge questions 6 4722 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4491 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 4858 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5096 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8212 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4768 January 15, 2012
by Rick_S
Source of power? 19 4855 January 13, 2012
by mongo
symbol defined please? 4 4633 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 17701 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4458 January 06, 2012
by boxvic
Basic LED circuit properties 8 4704 January 06, 2012
by boxvic
Getting Started 3 4217 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5395 January 02, 2012
by bodangly
SMD reflow 16 5479 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4439 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5132 December 23, 2011
by BobaMosfet
Potentiometer 8 5973 December 23, 2011
by huzbum
Fun with Op-Amps 3 6283 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5368 December 19, 2011
by n1cl3
Odessy of the minds 5 4658 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4043 November 27, 2011
by sazD
Initial Load 2 4708 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5311 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6075 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4760 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 9803 November 10, 2011
by jfbrink
Servo Squitter Project 13 4491 November 09, 2011
by Heed
how do i run a program 4 4101 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4333 November 07, 2011
by Heed
Motor control question 2 4128 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9638 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4352 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4259 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 95660 October 24, 2011
by glendon
Measuring Capacitance 9 5779 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4419 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6132 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 22412 October 16, 2011
by sask55
RxD / TxD Questions 10 7488 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4506 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4391 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4633 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4199 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13225 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5828 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24184 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 12826 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4118 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7644 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13548 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8761 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5220 September 01, 2011
by BobaMosfet
Dim LED 3 4072 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4588 August 23, 2011
by Twarter369
Easy Transistor Question 4 5196 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 6913 August 18, 2011
by Ralphxyz
Building a coil?? 12 6923 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4503 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4157 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 3971 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 3930 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 23855 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5244 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4659 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4361 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4411 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7184 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4047 July 17, 2011
by codenamejupiterx
avr macpack 3 4442 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4370 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4474 July 13, 2011
by BobaMosfet
Battery clip wires 3 4007 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3871 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4175 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4400 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4791 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25006 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4379 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4596 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6662 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4624 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4667 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4592 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5101 June 06, 2011
by mja
A couple of questions 3 4284 June 06, 2011
by Ralphxyz
How much should I strip? 3 4362 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4816 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4226 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4563 May 29, 2011
by Rick_S
Digital Input Question 4 4309 May 28, 2011
by frankdwest
PCB arrived 20 4264 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 4877 May 24, 2011
by gcharris
Calculating bypass capacitor 6 23747 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 4859 May 09, 2011
by Noter
IR current 6 4604 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5286 May 04, 2011
by hariharan
Heat sensors 21 5659 May 04, 2011
by Hexorg
error 1 2 4129 May 02, 2011
by hevans
Transistor vs mosfet 13 12289 May 01, 2011
by Noter
PCB trace width calculator 3 5739 April 24, 2011
by esoderberg
OLED display 10 5426 April 23, 2011
by Rick_S
Power Supplies 17 6001 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4127 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4841 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4207 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5288 April 19, 2011
by mongo
Connecting to external control voltages 4 4248 April 19, 2011
by bretm
IR current question 7 4336 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5142 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5301 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4624 April 10, 2011
by uml_12
Basic projects 3 4289 April 09, 2011
by mongo
REFLOW oven 22 7221 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14360 April 07, 2011
by bretm
unexpected MCU rebooting 82 9224 April 05, 2011
by sask55
REFLOW Soldering 3 5163 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4543 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 6894 March 30, 2011
by bretm
Black Display on LCD 6 4557 March 28, 2011
by Druidman
32kHz clock 2 4208 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11320 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 11705 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6395 March 16, 2011
by mongo
LCD problem 3 4606 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5172 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5304 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4320 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 7876 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5234 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5147 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12229 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 8842 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5845 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9313 February 19, 2011
by Lusitania
My first Impression 6 4690 February 16, 2011
by devinsbusiness
Understanding battery life 3 5962 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5601 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5223 February 05, 2011
by BobaMosfet
High voltage lines 26 7322 February 02, 2011
by mongo
USB 3 4290 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5291 February 02, 2011
by Jalex
Alternating LED circuit 4 5193 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6513 January 31, 2011
by il1019
Affordable oscilloscopes 43 14433 January 27, 2011
by BStory
"And"gate unfinished thought 2 4397 January 27, 2011
by Hexorg
replace MCU? 30 9379 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 4955 January 25, 2011
by Ralphxyz
Multimeter! 12 7220 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 5875 January 25, 2011
by Jalex
My LED Cube so far 25 10667 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5715 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5144 January 18, 2011
by dgikuljot
Counting 5 4331 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 8890 January 17, 2011
by bretm
Programming 5 5173 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5413 January 11, 2011
by Yourself
Begining 7 5488 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 5879 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5232 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4530 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5061 January 06, 2011
by Mujda
Data input voltage 6 5061 January 03, 2011
by Rick_S
MOSFET Question 7 5215 December 31, 2010
by Keyster
Transistor as a switch 5 5237 December 29, 2010
by Hexorg
Resistors 5 5575 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10436 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5432 December 28, 2010
by BobaMosfet
Relay ratings 2 4776 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20012 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4623 December 17, 2010
by mongo
Power Rectifier 7 5041 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7150 December 14, 2010
by danuke
This a decent oscilloscope? 8 5015 December 14, 2010
by danuke
Do resistors in series really add up? 8 6376 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5826 December 09, 2010
by bretm
L293 H-Bridge 15 6474 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6689 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 6842 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5755 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6301 November 24, 2010
by BobaMosfet
Op-amp not working 6 6602 November 24, 2010
by BobaMosfet
Python questions 4 5592 November 21, 2010
by tkopriva
CE Amp design 5 5074 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 4996 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4859 November 05, 2010
by Mujda
PC4 not working?! 8 4705 November 04, 2010
by hapshetsut
Amplifiers 4 4698 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5554 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5606 October 04, 2010
by Scythium
radio interference from NerdKit 11 4722 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9356 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5253 September 11, 2010
by akajester
QFP and dreadboard 2 5151 September 02, 2010
by bretm
Getting power to the spinning part... 5 5035 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 12841 August 30, 2010
by Ralphxyz
morse code decoder 2 5143 August 26, 2010
by jonathan_m
Connecting to Computer 3 5083 August 25, 2010
by awesome
555 astable on breadboard 12 6623 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4717 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5211 August 19, 2010
by hevans
mosfet 3 4501 August 13, 2010
by hevans
Good material on learning electronics. 8 5477 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4379 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 6976 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6280 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9567 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6767 July 02, 2010
by mongo
Electro Cardio Gram 4 5610 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4446 June 12, 2010
by Wobbler
Voltage Regulator 20 6133 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5689 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6326 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6008 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5202 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4440 June 06, 2010
by Kafke
TSSOP IC! 4 5204 June 03, 2010
by mrobbins
AVcc 2 5455 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4639 May 31, 2010
by hevans
Cable Driver 2 4340 May 31, 2010
by mongo
Best 9V adapter to use 2 4724 May 28, 2010
by mongo
Unidirectional microphones 5 5014 May 27, 2010
by mongo
Servo question 3 4497 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5157 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5019 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6682 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11439 May 21, 2010
by hevans
Chinese Solenoid 15 4955 May 10, 2010
by treymd
avrisp mkii circuit 4 6224 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4555 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 9757 May 07, 2010
by rajabalu21
Simple Power Switch 6 4647 May 05, 2010
by avicell
I can haz speed! 3 5002 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6479 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5315 April 21, 2010
by bretm
Help with choosing the right resistor 10 6415 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 10949 April 15, 2010
by bretm
Resistor 4 4348 April 15, 2010
by mongo
MCU digital input pins 3 4546 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4821 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10702 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6792 March 28, 2010
by carlhako
Laptop ground safety question 3 4871 March 27, 2010
by ese
LM34 R-C Damper 5 6426 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5170 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4441 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6482 March 23, 2010
by ese
constant system reset 3 4359 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5133 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6147 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5474 March 17, 2010
by Frozenlock
What is -VS? 6 8489 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6301 March 04, 2010
by treymd
Using MCU to connect two wires 3 5326 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 9915 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4757 March 02, 2010
by Solorbob
Deciphering power resistors 11 5146 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4530 March 01, 2010
by nrotstan
Understanding LEDs 16 7651 March 01, 2010
by michaeldallas
What's the part I need? 5 4626 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11658 February 23, 2010
by rajabalu21
Too much power? 14 5406 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6065 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 5996 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13364 February 18, 2010
by Rick_S
Serial port interface circuit 2 5557 February 17, 2010
by mongo
OBDII project 3 4647 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8123 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7330 February 13, 2010
by BobaMosfet
Digital pots 5 4867 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5157 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6008 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7368 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7572 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5432 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7111 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 10910 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5768 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5026 December 27, 2009
by jgauthier
Servo Signal Noise 2 4546 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 7873 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11360 December 10, 2009
by georgio
Relays and transistors 12 9352 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9414 December 09, 2009
by Rick_S
IR Detector 7 8832 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5608 November 19, 2009
by mikedoug
Debug with lcd 6 5578 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5083 November 15, 2009
by tech20
Understanding output pin characteristics 4 4926 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 6832 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5198 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 48550 October 30, 2009
by BobaMosfet
DIY header unit 2 5434 October 10, 2009
by rusirius
Thermostat Logging 6 7031 October 09, 2009
by luke
Understanding transistors 6 6763 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10666 October 07, 2009
by mikedoug
Currant booster 3 4574 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5567 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13517 August 27, 2009
by hevans
Which LED? 14 5311 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6310 August 07, 2009
by mongo
pull up, pull down resistors 7 17737 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11601 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7502 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 6929 July 07, 2009
by sector0
Reset switch for circuit 3 5247 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31869 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6351 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5124 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5261 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5759 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5092 May 06, 2009
by paulip

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