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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 9124 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8452 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 7167 April 12, 2016
by Ralphxyz
USBasp Help! 3 6075 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8364 May 04, 2015
by mongo
Need to replace Wall Watt 16 5564 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5200 April 10, 2015
by Noter
My new 3D Printer 44 20778 April 07, 2015
by Rick_S
AtMega 644 2 5209 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4262 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4952 June 02, 2014
by JKITSON
Automated programming mode? 9 5240 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4807 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4842 January 28, 2014
by lailai
What kind of error is this? 4 4604 January 23, 2014
by Noter
How to double a DC voltage? 20 12092 January 12, 2014
by JKITSON
Is the code the driver? 2 4519 January 12, 2014
by Ralphxyz
Miniature headers 6 4730 January 01, 2014
by Ralphxyz
BLDC 8 4836 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5438 November 26, 2013
by Rick_S
GLCD SPI problems 14 8740 November 10, 2013
by andyi
Moving on... 7 4641 November 08, 2013
by Pr0ject
Power supply questions 4 6208 October 31, 2013
by sask55
OLED 4 4395 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16534 September 22, 2013
by sask55
Opto Interrupter once again 14 9147 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4805 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11909 September 02, 2013
by Ralphxyz
USB cable specifications 7 6467 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5344 August 27, 2013
by Affarram
XMEGA Breakout 8 5704 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4359 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 5041 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 5068 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11892 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16567 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4377 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4972 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66632 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4159 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4729 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8936 March 14, 2013
by mongo
Current vs Voltage 8 5803 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5388 March 09, 2013
by lnino
Electric current 2 4134 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 7084 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 10034 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9721 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5229 February 24, 2013
by lnino
Relay Question 27 8516 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8201 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5680 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5508 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5310 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4871 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5601 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4906 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5712 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4236 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4288 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4812 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10453 November 18, 2012
by carlhako
SPI slave clock 6 5025 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4398 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31791 October 23, 2012
by Noter
NPN circuit connection quandry 4 4977 September 24, 2012
by edb
Simple I/O circuit 4 4630 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4392 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4142 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6997 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4625 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 7021 September 13, 2012
by dan_engbers
Electronics simulation 8 5260 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7456 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4527 August 20, 2012
by rblalock
louder sound 2 4304 August 18, 2012
by mongo
connector or cable for LCD display? 4 4524 August 13, 2012
by missle3944
Powering L.E.Ds 5 4655 August 09, 2012
by BobaMosfet
Wires in U.K 5 5128 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 5046 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 8219 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7716 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5541 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 23069 July 21, 2012
by lnino
um help 6 4106 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5160 July 18, 2012
by Ralphxyz
help me 11 5026 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4427 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5747 June 24, 2012
by Ralphxyz
HELP 3 4147 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15198 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4270 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6194 June 17, 2012
by RogerFL
Programmable current source 6 6295 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5783 June 11, 2012
by mongo
HELP 6 4489 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4909 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52823 May 24, 2012
by Ralphxyz
i need a code 8 4894 May 15, 2012
by pcbolt
Clock Accuracy 30 9588 May 14, 2012
by HexManiac
Relays and Controlling them 9 4875 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 5133 May 09, 2012
by RogerFL
Powering your NerdKit 7 4714 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4745 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 8034 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5131 April 24, 2012
by pcbolt
Programs will not run 6 4624 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5293 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4930 April 09, 2012
by Ralphxyz
Path Lights controller 2 4491 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4620 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5162 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4705 April 01, 2012
by JamesFysh
Question on LCD screen 5 4736 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4702 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 6028 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5652 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9358 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4795 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 6186 March 15, 2012
by mongo
Digital servo issues! 9 5345 March 15, 2012
by Rick_S
Brushless motor control 16 5675 March 12, 2012
by hevans
Windows not detecting device 3 4468 March 10, 2012
by hevans
Voltage throught MCU 5 4480 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20412 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 12270 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21779 March 01, 2012
by hevans
Up and running... 3 4271 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4939 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5279 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4496 February 24, 2012
by Rick_S
programming lcd trubs 7 4630 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5292 February 18, 2012
by Rick_S
Oscilloscope 15 6601 February 18, 2012
by Osarus
How far away can a LM34 be? 16 11136 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5736 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4911 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 12320 February 09, 2012
by mongo
Data transmission 3 5448 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5258 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6849 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4785 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4285 January 31, 2012
by tchilzer2
H bridge questions 6 5086 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4837 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5275 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5477 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8597 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 5139 January 15, 2012
by Rick_S
Source of power? 19 5304 January 13, 2012
by mongo
symbol defined please? 4 4925 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18367 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4842 January 06, 2012
by boxvic
Basic LED circuit properties 8 5064 January 06, 2012
by boxvic
Getting Started 3 4539 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5727 January 02, 2012
by bodangly
SMD reflow 16 5851 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4780 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5456 December 23, 2011
by BobaMosfet
Potentiometer 8 6465 December 23, 2011
by huzbum
Fun with Op-Amps 3 6680 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5751 December 19, 2011
by n1cl3
Odessy of the minds 5 4975 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4362 November 27, 2011
by sazD
Initial Load 2 4996 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5746 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6423 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 5072 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10262 November 10, 2011
by jfbrink
Servo Squitter Project 13 4839 November 09, 2011
by Heed
how do i run a program 4 4383 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4627 November 07, 2011
by Heed
Motor control question 2 4426 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10181 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4700 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4597 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 98239 October 24, 2011
by glendon
Measuring Capacitance 9 6128 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4722 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6479 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23535 October 16, 2011
by sask55
RxD / TxD Questions 10 8104 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4823 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4714 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4996 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4493 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 14528 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6199 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24772 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13500 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4421 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 8036 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14219 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 9181 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5585 September 01, 2011
by BobaMosfet
Dim LED 3 4402 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4910 August 23, 2011
by Twarter369
Easy Transistor Question 4 5579 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7533 August 18, 2011
by Ralphxyz
Building a coil?? 12 7349 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4811 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4468 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4290 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4243 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24406 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5550 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4960 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4676 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4714 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7546 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4391 July 17, 2011
by codenamejupiterx
avr macpack 3 4749 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4754 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4861 July 13, 2011
by BobaMosfet
Battery clip wires 3 4288 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4189 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4475 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4729 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5187 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25581 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4692 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4921 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 7070 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 5012 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 5006 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4879 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5550 June 06, 2011
by mja
A couple of questions 3 4620 June 06, 2011
by Ralphxyz
How much should I strip? 3 4664 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5153 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4567 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4877 May 29, 2011
by Rick_S
Digital Input Question 4 4638 May 28, 2011
by frankdwest
PCB arrived 20 4621 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5265 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24391 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5200 May 09, 2011
by Noter
IR current 6 4914 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5681 May 04, 2011
by hariharan
Heat sensors 21 6031 May 04, 2011
by Hexorg
error 1 2 4501 May 02, 2011
by hevans
Transistor vs mosfet 13 12850 May 01, 2011
by Noter
PCB trace width calculator 3 6062 April 24, 2011
by esoderberg
OLED display 10 5782 April 23, 2011
by Rick_S
Power Supplies 17 6339 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4420 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5136 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4604 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5624 April 19, 2011
by mongo
Connecting to external control voltages 4 4558 April 19, 2011
by bretm
IR current question 7 4679 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5475 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5672 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4917 April 10, 2011
by uml_12
Basic projects 3 4586 April 09, 2011
by mongo
REFLOW oven 22 7566 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 15035 April 07, 2011
by bretm
unexpected MCU rebooting 82 9705 April 05, 2011
by sask55
REFLOW Soldering 3 5579 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4905 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7286 March 30, 2011
by bretm
Black Display on LCD 6 4859 March 28, 2011
by Druidman
32kHz clock 2 4521 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11883 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12466 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6734 March 16, 2011
by mongo
LCD problem 3 4912 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5549 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5608 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4610 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8393 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5595 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5502 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12564 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9343 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6199 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9692 February 19, 2011
by Lusitania
My first Impression 6 5042 February 16, 2011
by devinsbusiness
Understanding battery life 3 6382 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5919 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5581 February 05, 2011
by BobaMosfet
High voltage lines 26 7792 February 02, 2011
by mongo
USB 3 4568 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5652 February 02, 2011
by Jalex
Alternating LED circuit 4 5534 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6871 January 31, 2011
by il1019
Affordable oscilloscopes 43 15342 January 27, 2011
by BStory
"And"gate unfinished thought 2 4727 January 27, 2011
by Hexorg
replace MCU? 30 9879 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5315 January 25, 2011
by Ralphxyz
Multimeter! 12 7585 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6229 January 25, 2011
by Jalex
My LED Cube so far 25 11020 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 6019 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5462 January 18, 2011
by dgikuljot
Counting 5 4696 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9332 January 17, 2011
by bretm
Programming 5 5559 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5757 January 11, 2011
by Yourself
Begining 7 5845 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6210 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5532 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4865 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5402 January 06, 2011
by Mujda
Data input voltage 6 5391 January 03, 2011
by Rick_S
MOSFET Question 7 5590 December 31, 2010
by Keyster
Transistor as a switch 5 5595 December 29, 2010
by Hexorg
Resistors 5 5961 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10909 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5803 December 28, 2010
by BobaMosfet
Relay ratings 2 5100 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20498 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4949 December 17, 2010
by mongo
Power Rectifier 7 7254 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7595 December 14, 2010
by danuke
This a decent oscilloscope? 8 5352 December 14, 2010
by danuke
Do resistors in series really add up? 8 6793 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6173 December 09, 2010
by bretm
L293 H-Bridge 15 6864 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 7094 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7283 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6157 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6687 November 24, 2010
by BobaMosfet
Op-amp not working 6 6949 November 24, 2010
by BobaMosfet
Python questions 4 5905 November 21, 2010
by tkopriva
CE Amp design 5 5459 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5347 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5213 November 05, 2010
by Mujda
PC4 not working?! 8 5062 November 04, 2010
by hapshetsut
Amplifiers 4 5010 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5885 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5987 October 04, 2010
by Scythium
radio interference from NerdKit 11 5098 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9717 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5583 September 11, 2010
by akajester
QFP and dreadboard 2 5484 September 02, 2010
by bretm
Getting power to the spinning part... 5 5318 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13306 August 30, 2010
by Ralphxyz
morse code decoder 2 5426 August 26, 2010
by jonathan_m
Connecting to Computer 3 5412 August 25, 2010
by awesome
555 astable on breadboard 12 6928 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 5041 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5533 August 19, 2010
by hevans
mosfet 3 4802 August 13, 2010
by hevans
Good material on learning electronics. 8 5816 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4695 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7471 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6654 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 10109 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 7103 July 02, 2010
by mongo
Electro Cardio Gram 4 6014 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4737 June 12, 2010
by Wobbler
Voltage Regulator 20 6490 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 6024 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6696 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6331 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5544 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4761 June 06, 2010
by Kafke
TSSOP IC! 4 5539 June 03, 2010
by mrobbins
AVcc 2 5764 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4974 May 31, 2010
by hevans
Cable Driver 2 4652 May 31, 2010
by mongo
Best 9V adapter to use 2 5084 May 28, 2010
by mongo
Unidirectional microphones 5 5319 May 27, 2010
by mongo
Servo question 3 4826 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5505 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5355 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 7021 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 12055 May 21, 2010
by hevans
Chinese Solenoid 15 5353 May 10, 2010
by treymd
avrisp mkii circuit 4 6527 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4879 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10284 May 07, 2010
by rajabalu21
Simple Power Switch 6 4966 May 05, 2010
by avicell
I can haz speed! 3 5316 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6851 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5676 April 21, 2010
by bretm
Help with choosing the right resistor 10 6767 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11595 April 15, 2010
by bretm
Resistor 4 4679 April 15, 2010
by mongo
MCU digital input pins 3 4888 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5173 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 11072 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 7113 March 28, 2010
by carlhako
Laptop ground safety question 3 5178 March 27, 2010
by ese
LM34 R-C Damper 5 6793 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5482 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4777 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6820 March 23, 2010
by ese
constant system reset 3 4690 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5465 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6554 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5776 March 17, 2010
by Frozenlock
What is -VS? 6 8880 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6586 March 04, 2010
by treymd
Using MCU to connect two wires 3 5672 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10546 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 5115 March 02, 2010
by Solorbob
Deciphering power resistors 11 5517 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4872 March 01, 2010
by nrotstan
Understanding LEDs 16 8132 March 01, 2010
by michaeldallas
What's the part I need? 5 4989 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 12058 February 23, 2010
by rajabalu21
Too much power? 14 5745 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6402 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6366 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13950 February 18, 2010
by Rick_S
Serial port interface circuit 2 5890 February 17, 2010
by mongo
OBDII project 3 4955 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8585 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7731 February 13, 2010
by BobaMosfet
Digital pots 5 5196 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5522 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6390 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7801 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7961 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5738 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7586 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11474 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 6144 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5344 December 27, 2009
by jgauthier
Servo Signal Noise 2 4901 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8285 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11768 December 10, 2009
by georgio
Relays and transistors 12 9729 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9793 December 09, 2009
by Rick_S
IR Detector 7 9357 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5948 November 19, 2009
by mikedoug
Debug with lcd 6 5912 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5357 November 15, 2009
by tech20
Understanding output pin characteristics 4 5285 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7302 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5568 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49553 October 30, 2009
by BobaMosfet
DIY header unit 2 5741 October 10, 2009
by rusirius
Thermostat Logging 6 7410 October 09, 2009
by luke
Understanding transistors 6 7070 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 11063 October 07, 2009
by mikedoug
Currant booster 3 4911 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5868 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13941 August 27, 2009
by hevans
Which LED? 14 5660 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6697 August 07, 2009
by mongo
pull up, pull down resistors 7 18111 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 12149 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7952 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7338 July 07, 2009
by sector0
Reset switch for circuit 3 5550 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32210 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6695 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5440 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5607 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 6065 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5418 May 06, 2009
by paulip

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