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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 9181 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8492 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 7202 April 12, 2016
by Ralphxyz
USBasp Help! 3 6107 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8393 May 04, 2015
by mongo
Need to replace Wall Watt 16 5596 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5237 April 10, 2015
by Noter
My new 3D Printer 44 20805 April 07, 2015
by Rick_S
AtMega 644 2 5233 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4286 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4980 June 02, 2014
by JKITSON
Automated programming mode? 9 5278 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4830 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4865 January 28, 2014
by lailai
What kind of error is this? 4 4626 January 23, 2014
by Noter
How to double a DC voltage? 20 12128 January 12, 2014
by JKITSON
Is the code the driver? 2 4542 January 12, 2014
by Ralphxyz
Miniature headers 6 4754 January 01, 2014
by Ralphxyz
BLDC 8 4862 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5460 November 26, 2013
by Rick_S
GLCD SPI problems 14 8774 November 10, 2013
by andyi
Moving on... 7 4667 November 08, 2013
by Pr0ject
Power supply questions 4 6243 October 31, 2013
by sask55
OLED 4 4418 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16594 September 22, 2013
by sask55
Opto Interrupter once again 14 9179 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4830 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11950 September 02, 2013
by Ralphxyz
USB cable specifications 7 6498 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5369 August 27, 2013
by Affarram
XMEGA Breakout 8 5735 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4386 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 5072 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 5101 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11952 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16640 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4397 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4995 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66689 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4179 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4754 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8977 March 14, 2013
by mongo
Current vs Voltage 8 5834 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5412 March 09, 2013
by lnino
Electric current 2 4154 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 7105 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 10060 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9758 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5257 February 24, 2013
by lnino
Relay Question 27 8553 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8233 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5700 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5526 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5338 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4890 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5624 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4936 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5744 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4258 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4311 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4841 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10475 November 18, 2012
by carlhako
SPI slave clock 6 5044 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4423 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31870 October 23, 2012
by Noter
NPN circuit connection quandry 4 4999 September 24, 2012
by edb
Simple I/O circuit 4 4649 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4423 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4162 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 7025 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4644 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 7039 September 13, 2012
by dan_engbers
Electronics simulation 8 5291 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7480 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4554 August 20, 2012
by rblalock
louder sound 2 4339 August 18, 2012
by mongo
connector or cable for LCD display? 4 4542 August 13, 2012
by missle3944
Powering L.E.Ds 5 4685 August 09, 2012
by BobaMosfet
Wires in U.K 5 5150 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 5072 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 8264 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7738 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5586 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 23125 July 21, 2012
by lnino
um help 6 4128 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5177 July 18, 2012
by Ralphxyz
help me 11 5044 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4449 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5766 June 24, 2012
by Ralphxyz
HELP 3 4167 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15231 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4291 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6214 June 17, 2012
by RogerFL
Programmable current source 6 6319 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5800 June 11, 2012
by mongo
HELP 6 4514 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4936 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52862 May 24, 2012
by Ralphxyz
i need a code 8 4919 May 15, 2012
by pcbolt
Clock Accuracy 30 9619 May 14, 2012
by HexManiac
Relays and Controlling them 9 4900 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 5152 May 09, 2012
by RogerFL
Powering your NerdKit 7 4734 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4763 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 8060 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5153 April 24, 2012
by pcbolt
Programs will not run 6 4646 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5322 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4947 April 09, 2012
by Ralphxyz
Path Lights controller 2 4506 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4638 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5185 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4721 April 01, 2012
by JamesFysh
Question on LCD screen 5 4758 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4726 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 6048 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5665 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9378 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4812 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 6213 March 15, 2012
by mongo
Digital servo issues! 9 5365 March 15, 2012
by Rick_S
Brushless motor control 16 5702 March 12, 2012
by hevans
Windows not detecting device 3 4489 March 10, 2012
by hevans
Voltage throught MCU 5 4498 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20449 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 12299 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21862 March 01, 2012
by hevans
Up and running... 3 4287 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4969 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5300 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4518 February 24, 2012
by Rick_S
programming lcd trubs 7 4657 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5320 February 18, 2012
by Rick_S
Oscilloscope 15 6624 February 18, 2012
by Osarus
How far away can a LM34 be? 16 11164 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5764 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4935 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 12376 February 09, 2012
by mongo
Data transmission 3 5467 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5280 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6867 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4807 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4303 January 31, 2012
by tchilzer2
H bridge questions 6 5107 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4857 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5304 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5504 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8620 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 5164 January 15, 2012
by Rick_S
Source of power? 19 5334 January 13, 2012
by mongo
symbol defined please? 4 4946 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18387 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4856 January 06, 2012
by boxvic
Basic LED circuit properties 8 5084 January 06, 2012
by boxvic
Getting Started 3 4556 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5753 January 02, 2012
by bodangly
SMD reflow 16 5871 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4798 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5480 December 23, 2011
by BobaMosfet
Potentiometer 8 6495 December 23, 2011
by huzbum
Fun with Op-Amps 3 6704 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5773 December 19, 2011
by n1cl3
Odessy of the minds 5 4992 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4383 November 27, 2011
by sazD
Initial Load 2 5015 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5766 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6457 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 5099 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10287 November 10, 2011
by jfbrink
Servo Squitter Project 13 4858 November 09, 2011
by Heed
how do i run a program 4 4399 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4643 November 07, 2011
by Heed
Motor control question 2 4447 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10207 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4722 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4625 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 98352 October 24, 2011
by glendon
Measuring Capacitance 9 6144 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4740 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6499 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23642 October 16, 2011
by sask55
RxD / TxD Questions 10 8126 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4845 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4739 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 5022 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4511 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 14613 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6225 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24805 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13558 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4435 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 8058 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14267 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 9213 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5619 September 01, 2011
by BobaMosfet
Dim LED 3 4431 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4937 August 23, 2011
by Twarter369
Easy Transistor Question 4 5599 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7568 August 18, 2011
by Ralphxyz
Building a coil?? 12 7384 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4830 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4489 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4307 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4268 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24425 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5569 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4978 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4702 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4734 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7561 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4412 July 17, 2011
by codenamejupiterx
avr macpack 3 4765 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4779 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4889 July 13, 2011
by BobaMosfet
Battery clip wires 3 4308 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4207 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4498 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4754 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5208 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25623 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4716 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4937 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 7092 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 5039 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 5026 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4895 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5575 June 06, 2011
by mja
A couple of questions 3 4645 June 06, 2011
by Ralphxyz
How much should I strip? 3 4683 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5174 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4592 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4896 May 29, 2011
by Rick_S
Digital Input Question 4 4663 May 28, 2011
by frankdwest
PCB arrived 20 4644 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5283 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24447 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5220 May 09, 2011
by Noter
IR current 6 4938 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5704 May 04, 2011
by hariharan
Heat sensors 21 6056 May 04, 2011
by Hexorg
error 1 2 4520 May 02, 2011
by hevans
Transistor vs mosfet 13 12872 May 01, 2011
by Noter
PCB trace width calculator 3 6084 April 24, 2011
by esoderberg
OLED display 10 5804 April 23, 2011
by Rick_S
Power Supplies 17 6359 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4453 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5167 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4630 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5644 April 19, 2011
by mongo
Connecting to external control voltages 4 4585 April 19, 2011
by bretm
IR current question 7 4699 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5509 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5692 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4941 April 10, 2011
by uml_12
Basic projects 3 4604 April 09, 2011
by mongo
REFLOW oven 22 7597 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 15084 April 07, 2011
by bretm
unexpected MCU rebooting 82 9746 April 05, 2011
by sask55
REFLOW Soldering 3 5596 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4925 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7316 March 30, 2011
by bretm
Black Display on LCD 6 4877 March 28, 2011
by Druidman
32kHz clock 2 4544 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11932 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12506 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6768 March 16, 2011
by mongo
LCD problem 3 4932 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5582 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5634 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4634 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8423 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5613 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5521 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12584 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9376 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6219 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9720 February 19, 2011
by Lusitania
My first Impression 6 5069 February 16, 2011
by devinsbusiness
Understanding battery life 3 6407 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5947 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5606 February 05, 2011
by BobaMosfet
High voltage lines 26 7817 February 02, 2011
by mongo
USB 3 4600 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5673 February 02, 2011
by Jalex
Alternating LED circuit 4 5555 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6895 January 31, 2011
by il1019
Affordable oscilloscopes 43 15391 January 27, 2011
by BStory
"And"gate unfinished thought 2 4750 January 27, 2011
by Hexorg
replace MCU? 30 9909 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5342 January 25, 2011
by Ralphxyz
Multimeter! 12 7615 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6246 January 25, 2011
by Jalex
My LED Cube so far 25 11039 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 6040 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5482 January 18, 2011
by dgikuljot
Counting 5 4715 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9360 January 17, 2011
by bretm
Programming 5 5583 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5781 January 11, 2011
by Yourself
Begining 7 5867 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6231 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5552 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4884 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5421 January 06, 2011
by Mujda
Data input voltage 6 5409 January 03, 2011
by Rick_S
MOSFET Question 7 5624 December 31, 2010
by Keyster
Transistor as a switch 5 5613 December 29, 2010
by Hexorg
Resistors 5 5986 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10938 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5822 December 28, 2010
by BobaMosfet
Relay ratings 2 5119 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20540 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4966 December 17, 2010
by mongo
Power Rectifier 7 7275 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7620 December 14, 2010
by danuke
This a decent oscilloscope? 8 5374 December 14, 2010
by danuke
Do resistors in series really add up? 8 6811 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6193 December 09, 2010
by bretm
L293 H-Bridge 15 6887 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 7114 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7306 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6175 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6712 November 24, 2010
by BobaMosfet
Op-amp not working 6 6970 November 24, 2010
by BobaMosfet
Python questions 4 5928 November 21, 2010
by tkopriva
CE Amp design 5 5501 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5385 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5237 November 05, 2010
by Mujda
PC4 not working?! 8 5084 November 04, 2010
by hapshetsut
Amplifiers 4 5038 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5904 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 6017 October 04, 2010
by Scythium
radio interference from NerdKit 11 5130 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9753 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5610 September 11, 2010
by akajester
QFP and dreadboard 2 5515 September 02, 2010
by bretm
Getting power to the spinning part... 5 5339 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13334 August 30, 2010
by Ralphxyz
morse code decoder 2 5449 August 26, 2010
by jonathan_m
Connecting to Computer 3 5436 August 25, 2010
by awesome
555 astable on breadboard 12 6949 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 5063 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5549 August 19, 2010
by hevans
mosfet 3 4827 August 13, 2010
by hevans
Good material on learning electronics. 8 5836 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4714 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7497 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6673 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 10139 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 7125 July 02, 2010
by mongo
Electro Cardio Gram 4 6047 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4760 June 12, 2010
by Wobbler
Voltage Regulator 20 6522 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 6044 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6723 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6350 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5561 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4780 June 06, 2010
by Kafke
TSSOP IC! 4 5557 June 03, 2010
by mrobbins
AVcc 2 5787 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4998 May 31, 2010
by hevans
Cable Driver 2 4678 May 31, 2010
by mongo
Best 9V adapter to use 2 5105 May 28, 2010
by mongo
Unidirectional microphones 5 5336 May 27, 2010
by mongo
Servo question 3 4846 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5526 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5375 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 7046 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 12086 May 21, 2010
by hevans
Chinese Solenoid 15 5376 May 10, 2010
by treymd
avrisp mkii circuit 4 6541 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4899 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10313 May 07, 2010
by rajabalu21
Simple Power Switch 6 4989 May 05, 2010
by avicell
I can haz speed! 3 5341 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6883 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5696 April 21, 2010
by bretm
Help with choosing the right resistor 10 6787 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11644 April 15, 2010
by bretm
Resistor 4 4699 April 15, 2010
by mongo
MCU digital input pins 3 4921 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5195 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 11093 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 7135 March 28, 2010
by carlhako
Laptop ground safety question 3 5198 March 27, 2010
by ese
LM34 R-C Damper 5 6818 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5507 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4804 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6851 March 23, 2010
by ese
constant system reset 3 4727 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5485 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6578 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5796 March 17, 2010
by Frozenlock
What is -VS? 6 8906 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6618 March 04, 2010
by treymd
Using MCU to connect two wires 3 5699 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10575 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 5131 March 02, 2010
by Solorbob
Deciphering power resistors 11 5546 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4894 March 01, 2010
by nrotstan
Understanding LEDs 16 8165 March 01, 2010
by michaeldallas
What's the part I need? 5 5007 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 12084 February 23, 2010
by rajabalu21
Too much power? 14 5768 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6432 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6400 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13996 February 18, 2010
by Rick_S
Serial port interface circuit 2 5912 February 17, 2010
by mongo
OBDII project 3 4986 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8619 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7764 February 13, 2010
by BobaMosfet
Digital pots 5 5224 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5547 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6407 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7820 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7989 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5773 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7614 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11510 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 6175 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5370 December 27, 2009
by jgauthier
Servo Signal Noise 2 4930 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8312 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11796 December 10, 2009
by georgio
Relays and transistors 12 9753 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9821 December 09, 2009
by Rick_S
IR Detector 7 9391 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5977 November 19, 2009
by mikedoug
Debug with lcd 6 5939 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5388 November 15, 2009
by tech20
Understanding output pin characteristics 4 5322 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7327 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5595 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49614 October 30, 2009
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DIY header unit 2 5768 October 10, 2009
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Thermostat Logging 6 7435 October 09, 2009
by luke
Understanding transistors 6 7102 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 11087 October 07, 2009
by mikedoug
Currant booster 3 4937 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5899 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13974 August 27, 2009
by hevans
Which LED? 14 5680 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6726 August 07, 2009
by mongo
pull up, pull down resistors 7 18137 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 12202 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7972 August 05, 2009
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Power MOSFET - Understanding and headaches 4 7369 July 07, 2009
by sector0
Reset switch for circuit 3 5570 June 27, 2009
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Online circuit simulator/intuition builder 2 32230 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6717 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5464 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5630 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 6088 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5446 May 06, 2009
by paulip

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