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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 9128 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8454 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 7167 April 12, 2016
by Ralphxyz
USBasp Help! 3 6080 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8366 May 04, 2015
by mongo
Need to replace Wall Watt 16 5566 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5201 April 10, 2015
by Noter
My new 3D Printer 44 20781 April 07, 2015
by Rick_S
AtMega 644 2 5212 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4263 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4954 June 02, 2014
by JKITSON
Automated programming mode? 9 5242 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4810 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4843 January 28, 2014
by lailai
What kind of error is this? 4 4606 January 23, 2014
by Noter
How to double a DC voltage? 20 12094 January 12, 2014
by JKITSON
Is the code the driver? 2 4521 January 12, 2014
by Ralphxyz
Miniature headers 6 4733 January 01, 2014
by Ralphxyz
BLDC 8 4837 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5439 November 26, 2013
by Rick_S
GLCD SPI problems 14 8742 November 10, 2013
by andyi
Moving on... 7 4644 November 08, 2013
by Pr0ject
Power supply questions 4 6209 October 31, 2013
by sask55
OLED 4 4396 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16536 September 22, 2013
by sask55
Opto Interrupter once again 14 9149 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4807 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11911 September 02, 2013
by Ralphxyz
USB cable specifications 7 6470 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5345 August 27, 2013
by Affarram
XMEGA Breakout 8 5708 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4360 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 5047 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 5071 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11898 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16576 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4380 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4976 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66637 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4160 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4730 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8940 March 14, 2013
by mongo
Current vs Voltage 8 5807 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5393 March 09, 2013
by lnino
Electric current 2 4137 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 7085 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 10034 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9725 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5232 February 24, 2013
by lnino
Relay Question 27 8519 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8202 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5682 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 5311 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4873 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5604 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4909 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5714 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4239 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4291 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4815 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10454 November 18, 2012
by carlhako
SPI slave clock 6 5025 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4401 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31802 October 23, 2012
by Noter
NPN circuit connection quandry 4 4979 September 24, 2012
by edb
Simple I/O circuit 4 4631 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4394 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4143 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6998 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4626 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 7021 September 13, 2012
by dan_engbers
Electronics simulation 8 5263 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7458 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4528 August 20, 2012
by rblalock
louder sound 2 4306 August 18, 2012
by mongo
connector or cable for LCD display? 4 4525 August 13, 2012
by missle3944
Powering L.E.Ds 5 4658 August 09, 2012
by BobaMosfet
Wires in U.K 5 5129 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 5048 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 8228 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7718 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5543 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 23076 July 21, 2012
by lnino
um help 6 4107 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5161 July 18, 2012
by Ralphxyz
help me 11 5027 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4430 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5750 June 24, 2012
by Ralphxyz
HELP 3 4149 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15200 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4271 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6195 June 17, 2012
by RogerFL
Programmable current source 6 6297 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5785 June 11, 2012
by mongo
HELP 6 4490 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4912 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52824 May 24, 2012
by Ralphxyz
i need a code 8 4898 May 15, 2012
by pcbolt
Clock Accuracy 30 9588 May 14, 2012
by HexManiac
Relays and Controlling them 9 4876 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 5135 May 09, 2012
by RogerFL
Powering your NerdKit 7 4716 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4747 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 8036 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5134 April 24, 2012
by pcbolt
Programs will not run 6 4627 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5296 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4931 April 09, 2012
by Ralphxyz
Path Lights controller 2 4493 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4622 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5164 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4708 April 01, 2012
by JamesFysh
Question on LCD screen 5 4739 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4702 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 6030 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 9360 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4796 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 6188 March 15, 2012
by mongo
Digital servo issues! 9 5348 March 15, 2012
by Rick_S
Brushless motor control 16 5678 March 12, 2012
by hevans
Windows not detecting device 3 4469 March 10, 2012
by hevans
Voltage throught MCU 5 4480 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20415 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 12271 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21784 March 01, 2012
by hevans
Up and running... 3 4272 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4942 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5282 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4498 February 24, 2012
by Rick_S
programming lcd trubs 7 4635 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5294 February 18, 2012
by Rick_S
Oscilloscope 15 6603 February 18, 2012
by Osarus
How far away can a LM34 be? 16 11137 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5739 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 12325 February 09, 2012
by mongo
Data transmission 3 5450 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5259 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6850 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4786 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4287 January 31, 2012
by tchilzer2
H bridge questions 6 5087 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4838 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 5480 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8601 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 5141 January 15, 2012
by Rick_S
Source of power? 19 5306 January 13, 2012
by mongo
symbol defined please? 4 4927 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18369 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4845 January 06, 2012
by boxvic
Basic LED circuit properties 8 5065 January 06, 2012
by boxvic
Getting Started 3 4541 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5729 January 02, 2012
by bodangly
SMD reflow 16 5853 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4784 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5458 December 23, 2011
by BobaMosfet
Potentiometer 8 6466 December 23, 2011
by huzbum
Fun with Op-Amps 3 6683 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5752 December 19, 2011
by n1cl3
Odessy of the minds 5 4977 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4363 November 27, 2011
by sazD
Initial Load 2 4998 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5748 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6427 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 5074 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10265 November 10, 2011
by jfbrink
Servo Squitter Project 13 4840 November 09, 2011
by Heed
how do i run a program 4 4384 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4628 November 07, 2011
by Heed
Motor control question 2 4427 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10182 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4701 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4598 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 98244 October 24, 2011
by glendon
Measuring Capacitance 9 6129 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4724 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6481 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23550 October 16, 2011
by sask55
RxD / TxD Questions 10 8108 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4824 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4715 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4999 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4496 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 14533 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6200 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24774 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13503 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4422 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 8037 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14221 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 9183 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5588 September 01, 2011
by BobaMosfet
Dim LED 3 4405 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4913 August 23, 2011
by Twarter369
Easy Transistor Question 4 5582 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7537 August 18, 2011
by Ralphxyz
Building a coil?? 12 7353 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4814 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4471 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4291 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4244 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24408 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5551 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4962 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4679 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4719 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7549 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4391 July 17, 2011
by codenamejupiterx
avr macpack 3 4752 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4757 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4862 July 13, 2011
by BobaMosfet
Battery clip wires 3 4288 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4192 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4476 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4731 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5189 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25584 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4695 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4924 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 7074 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 5014 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 5007 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4882 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5551 June 06, 2011
by mja
A couple of questions 3 4626 June 06, 2011
by Ralphxyz
How much should I strip? 3 4665 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5156 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4568 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 4640 May 28, 2011
by frankdwest
PCB arrived 20 4623 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5266 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24391 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5202 May 09, 2011
by Noter
IR current 6 4916 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5685 May 04, 2011
by hariharan
Heat sensors 21 6032 May 04, 2011
by Hexorg
error 1 2 4501 May 02, 2011
by hevans
Transistor vs mosfet 13 12853 May 01, 2011
by Noter
PCB trace width calculator 3 6063 April 24, 2011
by esoderberg
OLED display 10 5785 April 23, 2011
by Rick_S
Power Supplies 17 6340 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4422 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5137 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4607 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5626 April 19, 2011
by mongo
Connecting to external control voltages 4 4559 April 19, 2011
by bretm
IR current question 7 4680 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5478 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5674 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4919 April 10, 2011
by uml_12
Basic projects 3 4588 April 09, 2011
by mongo
REFLOW oven 22 7567 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 15037 April 07, 2011
by bretm
unexpected MCU rebooting 82 9709 April 05, 2011
by sask55
REFLOW Soldering 3 5580 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4906 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7288 March 30, 2011
by bretm
Black Display on LCD 6 4861 March 28, 2011
by Druidman
32kHz clock 2 4523 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11889 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12468 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6738 March 16, 2011
by mongo
LCD problem 3 4913 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5552 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5610 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4612 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 5596 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5503 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12566 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9348 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6200 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9694 February 19, 2011
by Lusitania
My first Impression 6 5045 February 16, 2011
by devinsbusiness
Understanding battery life 3 6383 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5920 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5586 February 05, 2011
by BobaMosfet
High voltage lines 26 7795 February 02, 2011
by mongo
USB 3 4569 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 5536 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6873 January 31, 2011
by il1019
Affordable oscilloscopes 43 15346 January 27, 2011
by BStory
"And"gate unfinished thought 2 4730 January 27, 2011
by Hexorg
replace MCU? 30 9883 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5316 January 25, 2011
by Ralphxyz
Multimeter! 12 7586 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6230 January 25, 2011
by Jalex
My LED Cube so far 25 11021 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 6020 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5463 January 18, 2011
by dgikuljot
Counting 5 4697 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9336 January 17, 2011
by bretm
Programming 5 5561 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5759 January 11, 2011
by Yourself
Begining 7 5849 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6211 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5534 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4866 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5404 January 06, 2011
by Mujda
Data input voltage 6 5393 January 03, 2011
by Rick_S
MOSFET Question 7 5593 December 31, 2010
by Keyster
Transistor as a switch 5 5597 December 29, 2010
by Hexorg
Resistors 5 5963 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10912 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5803 December 28, 2010
by BobaMosfet
Relay ratings 2 5102 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20500 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4952 December 17, 2010
by mongo
Power Rectifier 7 7256 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7596 December 14, 2010
by danuke
This a decent oscilloscope? 8 5353 December 14, 2010
by danuke
Do resistors in series really add up? 8 6796 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6175 December 09, 2010
by bretm
L293 H-Bridge 15 6866 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 7098 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7284 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6158 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6690 November 24, 2010
by BobaMosfet
Op-amp not working 6 6951 November 24, 2010
by BobaMosfet
Python questions 4 5908 November 21, 2010
by tkopriva
CE Amp design 5 5463 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5348 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5219 November 05, 2010
by Mujda
PC4 not working?! 8 5063 November 04, 2010
by hapshetsut
Amplifiers 4 5011 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5886 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5990 October 04, 2010
by Scythium
radio interference from NerdKit 11 5100 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9721 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5585 September 11, 2010
by akajester
QFP and dreadboard 2 5486 September 02, 2010
by bretm
Getting power to the spinning part... 5 5320 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13309 August 30, 2010
by Ralphxyz
morse code decoder 2 5428 August 26, 2010
by jonathan_m
Connecting to Computer 3 5414 August 25, 2010
by awesome
555 astable on breadboard 12 6930 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 5042 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5533 August 19, 2010
by hevans
mosfet 3 4804 August 13, 2010
by hevans
Good material on learning electronics. 8 5817 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4696 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7471 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6655 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 10114 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 7104 July 02, 2010
by mongo
Electro Cardio Gram 4 6017 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4739 June 12, 2010
by Wobbler
Voltage Regulator 20 6493 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 6024 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6697 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6333 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5544 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4765 June 06, 2010
by Kafke
TSSOP IC! 4 5540 June 03, 2010
by mrobbins
AVcc 2 5766 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4975 May 31, 2010
by hevans
Cable Driver 2 4654 May 31, 2010
by mongo
Best 9V adapter to use 2 5085 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 5507 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5359 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 7022 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 12056 May 21, 2010
by hevans
Chinese Solenoid 15 5354 May 10, 2010
by treymd
avrisp mkii circuit 4 6528 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4882 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10287 May 07, 2010
by rajabalu21
Simple Power Switch 6 4968 May 05, 2010
by avicell
I can haz speed! 3 5319 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6855 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5678 April 21, 2010
by bretm
Help with choosing the right resistor 10 6769 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11597 April 15, 2010
by bretm
Resistor 4 4682 April 15, 2010
by mongo
MCU digital input pins 3 4889 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5176 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 11075 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 7114 March 28, 2010
by carlhako
Laptop ground safety question 3 5180 March 27, 2010
by ese
LM34 R-C Damper 5 6794 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5485 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4779 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6822 March 23, 2010
by ese
constant system reset 3 4692 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5467 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6555 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5778 March 17, 2010
by Frozenlock
What is -VS? 6 8881 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6589 March 04, 2010
by treymd
Using MCU to connect two wires 3 5675 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10550 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 5116 March 02, 2010
by Solorbob
Deciphering power resistors 11 5521 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4875 March 01, 2010
by nrotstan
Understanding LEDs 16 8136 March 01, 2010
by michaeldallas
What's the part I need? 5 4992 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 12059 February 23, 2010
by rajabalu21
Too much power? 14 5748 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6405 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6369 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13952 February 18, 2010
by Rick_S
Serial port interface circuit 2 5892 February 17, 2010
by mongo
OBDII project 3 4959 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8587 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7737 February 13, 2010
by BobaMosfet
Digital pots 5 5198 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5523 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6394 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7803 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7962 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5742 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7588 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11476 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 6149 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5344 December 27, 2009
by jgauthier
Servo Signal Noise 2 4906 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8286 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11773 December 10, 2009
by georgio
Relays and transistors 12 9730 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9795 December 09, 2009
by Rick_S
IR Detector 7 9361 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5952 November 19, 2009
by mikedoug
Debug with lcd 6 5915 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5359 November 15, 2009
by tech20
Understanding output pin characteristics 4 5288 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7305 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5570 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49554 October 30, 2009
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DIY header unit 2 5745 October 10, 2009
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Thermostat Logging 6 7410 October 09, 2009
by luke
Understanding transistors 6 7072 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 11066 October 07, 2009
by mikedoug
Currant booster 3 4913 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5870 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13943 August 27, 2009
by hevans
Which LED? 14 5661 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6699 August 07, 2009
by mongo
pull up, pull down resistors 7 18113 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 12152 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7954 August 05, 2009
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Power MOSFET - Understanding and headaches 4 7348 July 07, 2009
by sector0
Reset switch for circuit 3 5551 June 27, 2009
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Online circuit simulator/intuition builder 2 32212 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6696 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5440 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5609 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 6066 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5419 May 06, 2009
by paulip

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