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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 9162 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8487 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 7196 April 12, 2016
by Ralphxyz
USBasp Help! 3 6101 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8386 May 04, 2015
by mongo
Need to replace Wall Watt 16 5588 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5223 April 10, 2015
by Noter
My new 3D Printer 44 20801 April 07, 2015
by Rick_S
AtMega 644 2 5227 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4280 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4973 June 02, 2014
by JKITSON
Automated programming mode? 9 5269 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4825 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4863 January 28, 2014
by lailai
What kind of error is this? 4 4622 January 23, 2014
by Noter
How to double a DC voltage? 20 12119 January 12, 2014
by JKITSON
Is the code the driver? 2 4539 January 12, 2014
by Ralphxyz
Miniature headers 6 4747 January 01, 2014
by Ralphxyz
BLDC 8 4855 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5455 November 26, 2013
by Rick_S
GLCD SPI problems 14 8766 November 10, 2013
by andyi
Moving on... 7 4661 November 08, 2013
by Pr0ject
Power supply questions 4 6235 October 31, 2013
by sask55
OLED 4 4413 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16579 September 22, 2013
by sask55
Opto Interrupter once again 14 9169 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4824 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11939 September 02, 2013
by Ralphxyz
USB cable specifications 7 6490 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5361 August 27, 2013
by Affarram
XMEGA Breakout 8 5727 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4380 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 5065 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 5091 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11941 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16616 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4392 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4987 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66672 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4172 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4750 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8961 March 14, 2013
by mongo
Current vs Voltage 8 5828 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5407 March 09, 2013
by lnino
Electric current 2 4147 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 7100 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 10051 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9752 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5249 February 24, 2013
by lnino
Relay Question 27 8544 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8223 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5697 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5521 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5327 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4884 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5616 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4928 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5738 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4253 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4305 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4832 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10469 November 18, 2012
by carlhako
SPI slave clock 6 5037 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4416 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31844 October 23, 2012
by Noter
NPN circuit connection quandry 4 4993 September 24, 2012
by edb
Simple I/O circuit 4 4645 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4414 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4157 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 7021 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4642 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 7034 September 13, 2012
by dan_engbers
Electronics simulation 8 5284 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7472 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4547 August 20, 2012
by rblalock
louder sound 2 4336 August 18, 2012
by mongo
connector or cable for LCD display? 4 4537 August 13, 2012
by missle3944
Powering L.E.Ds 5 4675 August 09, 2012
by BobaMosfet
Wires in U.K 5 5144 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 5066 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 8254 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7734 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5572 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 23114 July 21, 2012
by lnino
um help 6 4125 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5173 July 18, 2012
by Ralphxyz
help me 11 5039 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4445 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5763 June 24, 2012
by Ralphxyz
HELP 3 4161 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15222 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4287 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6206 June 17, 2012
by RogerFL
Programmable current source 6 6316 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5797 June 11, 2012
by mongo
HELP 6 4502 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4929 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52843 May 24, 2012
by Ralphxyz
i need a code 8 4911 May 15, 2012
by pcbolt
Clock Accuracy 30 9614 May 14, 2012
by HexManiac
Relays and Controlling them 9 4887 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 5148 May 09, 2012
by RogerFL
Powering your NerdKit 7 4729 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4758 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 8053 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5148 April 24, 2012
by pcbolt
Programs will not run 6 4639 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5314 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4944 April 09, 2012
by Ralphxyz
Path Lights controller 2 4501 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4634 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5183 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4719 April 01, 2012
by JamesFysh
Question on LCD screen 5 4750 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4721 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 6043 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5663 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9373 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4809 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 6206 March 15, 2012
by mongo
Digital servo issues! 9 5362 March 15, 2012
by Rick_S
Brushless motor control 16 5695 March 12, 2012
by hevans
Windows not detecting device 3 4484 March 10, 2012
by hevans
Voltage throught MCU 5 4494 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20443 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 12289 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21840 March 01, 2012
by hevans
Up and running... 3 4283 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4961 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5295 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4512 February 24, 2012
by Rick_S
programming lcd trubs 7 4652 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5312 February 18, 2012
by Rick_S
Oscilloscope 15 6620 February 18, 2012
by Osarus
How far away can a LM34 be? 16 11159 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5759 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4926 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 12355 February 09, 2012
by mongo
Data transmission 3 5463 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5274 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6865 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4804 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4300 January 31, 2012
by tchilzer2
H bridge questions 6 5104 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4853 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5296 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5494 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8616 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 5156 January 15, 2012
by Rick_S
Source of power? 19 5319 January 13, 2012
by mongo
symbol defined please? 4 4941 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18383 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4855 January 06, 2012
by boxvic
Basic LED circuit properties 8 5080 January 06, 2012
by boxvic
Getting Started 3 4553 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5748 January 02, 2012
by bodangly
SMD reflow 16 5869 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4797 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5474 December 23, 2011
by BobaMosfet
Potentiometer 8 6489 December 23, 2011
by huzbum
Fun with Op-Amps 3 6699 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5770 December 19, 2011
by n1cl3
Odessy of the minds 5 4988 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4380 November 27, 2011
by sazD
Initial Load 2 5012 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5761 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6447 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 5088 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10279 November 10, 2011
by jfbrink
Servo Squitter Project 13 4852 November 09, 2011
by Heed
how do i run a program 4 4393 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4640 November 07, 2011
by Heed
Motor control question 2 4444 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10204 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4716 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4618 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 98318 October 24, 2011
by glendon
Measuring Capacitance 9 6143 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4737 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6492 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23606 October 16, 2011
by sask55
RxD / TxD Questions 10 8119 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4839 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4731 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 5019 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4510 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 14585 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6218 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24797 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13544 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4433 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 8050 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14249 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 9205 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5610 September 01, 2011
by BobaMosfet
Dim LED 3 4426 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4933 August 23, 2011
by Twarter369
Easy Transistor Question 4 5594 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7559 August 18, 2011
by Ralphxyz
Building a coil?? 12 7375 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4828 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4484 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4302 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4261 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24421 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5565 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4973 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4697 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4731 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7556 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4406 July 17, 2011
by codenamejupiterx
avr macpack 3 4763 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4776 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4885 July 13, 2011
by BobaMosfet
Battery clip wires 3 4301 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4200 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4490 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4747 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5204 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25605 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4709 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4936 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 7091 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 5030 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 5022 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4893 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5570 June 06, 2011
by mja
A couple of questions 3 4639 June 06, 2011
by Ralphxyz
How much should I strip? 3 4678 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5170 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4586 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4889 May 29, 2011
by Rick_S
Digital Input Question 4 4656 May 28, 2011
by frankdwest
PCB arrived 20 4641 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5279 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24430 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5216 May 09, 2011
by Noter
IR current 6 4933 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5699 May 04, 2011
by hariharan
Heat sensors 21 6048 May 04, 2011
by Hexorg
error 1 2 4517 May 02, 2011
by hevans
Transistor vs mosfet 13 12864 May 01, 2011
by Noter
PCB trace width calculator 3 6077 April 24, 2011
by esoderberg
OLED display 10 5800 April 23, 2011
by Rick_S
Power Supplies 17 6354 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4444 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5158 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4627 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5639 April 19, 2011
by mongo
Connecting to external control voltages 4 4577 April 19, 2011
by bretm
IR current question 7 4693 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5501 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5688 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4937 April 10, 2011
by uml_12
Basic projects 3 4599 April 09, 2011
by mongo
REFLOW oven 22 7592 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 15061 April 07, 2011
by bretm
unexpected MCU rebooting 82 9739 April 05, 2011
by sask55
REFLOW Soldering 3 5593 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4919 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7311 March 30, 2011
by bretm
Black Display on LCD 6 4870 March 28, 2011
by Druidman
32kHz clock 2 4537 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11917 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12495 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6759 March 16, 2011
by mongo
LCD problem 3 4928 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5572 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5627 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4629 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8416 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5608 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5518 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12577 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9370 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6212 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9714 February 19, 2011
by Lusitania
My first Impression 6 5056 February 16, 2011
by devinsbusiness
Understanding battery life 3 6403 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5941 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5598 February 05, 2011
by BobaMosfet
High voltage lines 26 7813 February 02, 2011
by mongo
USB 3 4589 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5668 February 02, 2011
by Jalex
Alternating LED circuit 4 5548 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6892 January 31, 2011
by il1019
Affordable oscilloscopes 43 15375 January 27, 2011
by BStory
"And"gate unfinished thought 2 4745 January 27, 2011
by Hexorg
replace MCU? 30 9904 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5332 January 25, 2011
by Ralphxyz
Multimeter! 12 7610 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6240 January 25, 2011
by Jalex
My LED Cube so far 25 11034 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 6034 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5475 January 18, 2011
by dgikuljot
Counting 5 4709 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9353 January 17, 2011
by bretm
Programming 5 5575 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5779 January 11, 2011
by Yourself
Begining 7 5861 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6222 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5545 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4881 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5418 January 06, 2011
by Mujda
Data input voltage 6 5405 January 03, 2011
by Rick_S
MOSFET Question 7 5616 December 31, 2010
by Keyster
Transistor as a switch 5 5608 December 29, 2010
by Hexorg
Resistors 5 5983 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10931 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5816 December 28, 2010
by BobaMosfet
Relay ratings 2 5114 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20530 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4963 December 17, 2010
by mongo
Power Rectifier 7 7271 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7612 December 14, 2010
by danuke
This a decent oscilloscope? 8 5368 December 14, 2010
by danuke
Do resistors in series really add up? 8 6807 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6190 December 09, 2010
by bretm
L293 H-Bridge 15 6883 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 7109 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7296 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6172 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6705 November 24, 2010
by BobaMosfet
Op-amp not working 6 6962 November 24, 2010
by BobaMosfet
Python questions 4 5926 November 21, 2010
by tkopriva
CE Amp design 5 5486 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5376 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5234 November 05, 2010
by Mujda
PC4 not working?! 8 5078 November 04, 2010
by hapshetsut
Amplifiers 4 5030 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5900 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 6014 October 04, 2010
by Scythium
radio interference from NerdKit 11 5121 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9745 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5605 September 11, 2010
by akajester
QFP and dreadboard 2 5509 September 02, 2010
by bretm
Getting power to the spinning part... 5 5336 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13327 August 30, 2010
by Ralphxyz
morse code decoder 2 5443 August 26, 2010
by jonathan_m
Connecting to Computer 3 5431 August 25, 2010
by awesome
555 astable on breadboard 12 6945 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 5058 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5545 August 19, 2010
by hevans
mosfet 3 4819 August 13, 2010
by hevans
Good material on learning electronics. 8 5834 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4708 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7490 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6669 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 10131 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 7120 July 02, 2010
by mongo
Electro Cardio Gram 4 6043 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4755 June 12, 2010
by Wobbler
Voltage Regulator 20 6515 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 6039 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6718 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6345 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5556 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4772 June 06, 2010
by Kafke
TSSOP IC! 4 5553 June 03, 2010
by mrobbins
AVcc 2 5779 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4992 May 31, 2010
by hevans
Cable Driver 2 4673 May 31, 2010
by mongo
Best 9V adapter to use 2 5101 May 28, 2010
by mongo
Unidirectional microphones 5 5333 May 27, 2010
by mongo
Servo question 3 4843 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5521 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5371 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 7042 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 12078 May 21, 2010
by hevans
Chinese Solenoid 15 5371 May 10, 2010
by treymd
avrisp mkii circuit 4 6537 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4895 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10308 May 07, 2010
by rajabalu21
Simple Power Switch 6 4980 May 05, 2010
by avicell
I can haz speed! 3 5337 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6877 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5693 April 21, 2010
by bretm
Help with choosing the right resistor 10 6784 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11635 April 15, 2010
by bretm
Resistor 4 4695 April 15, 2010
by mongo
MCU digital input pins 3 4913 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5190 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 11090 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 7127 March 28, 2010
by carlhako
Laptop ground safety question 3 5191 March 27, 2010
by ese
LM34 R-C Damper 5 6813 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5501 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4796 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6843 March 23, 2010
by ese
constant system reset 3 4720 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5480 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6573 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5792 March 17, 2010
by Frozenlock
What is -VS? 6 8897 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6609 March 04, 2010
by treymd
Using MCU to connect two wires 3 5693 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10564 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 5127 March 02, 2010
by Solorbob
Deciphering power resistors 11 5535 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4888 March 01, 2010
by nrotstan
Understanding LEDs 16 8156 March 01, 2010
by michaeldallas
What's the part I need? 5 5003 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 12076 February 23, 2010
by rajabalu21
Too much power? 14 5764 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6421 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6390 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13988 February 18, 2010
by Rick_S
Serial port interface circuit 2 5910 February 17, 2010
by mongo
OBDII project 3 4979 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8605 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7754 February 13, 2010
by BobaMosfet
Digital pots 5 5220 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5539 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6404 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7815 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7979 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5758 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7601 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11501 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 6169 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5365 December 27, 2009
by jgauthier
Servo Signal Noise 2 4922 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8306 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11790 December 10, 2009
by georgio
Relays and transistors 12 9749 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9814 December 09, 2009
by Rick_S
IR Detector 7 9380 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5968 November 19, 2009
by mikedoug
Debug with lcd 6 5932 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5381 November 15, 2009
by tech20
Understanding output pin characteristics 4 5314 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7319 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5590 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49594 October 30, 2009
by BobaMosfet
DIY header unit 2 5764 October 10, 2009
by rusirius
Thermostat Logging 6 7427 October 09, 2009
by luke
Understanding transistors 6 7094 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 11081 October 07, 2009
by mikedoug
Currant booster 3 4930 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5891 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13967 August 27, 2009
by hevans
Which LED? 14 5678 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6717 August 07, 2009
by mongo
pull up, pull down resistors 7 18129 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 12183 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7969 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7363 July 07, 2009
by sector0
Reset switch for circuit 3 5566 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32224 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6710 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5457 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5620 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 6081 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5439 May 06, 2009
by paulip

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