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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8844 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8236 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6958 April 12, 2016
by Ralphxyz
USBasp Help! 3 5862 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8113 May 04, 2015
by mongo
Need to replace Wall Watt 16 5361 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5017 April 10, 2015
by Noter
My new 3D Printer 44 20588 April 07, 2015
by Rick_S
AtMega 644 2 5069 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4115 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4790 June 02, 2014
by JKITSON
Automated programming mode? 9 5073 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4647 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4687 January 28, 2014
by lailai
What kind of error is this? 4 4484 January 23, 2014
by Noter
How to double a DC voltage? 20 11883 January 12, 2014
by JKITSON
Is the code the driver? 2 4367 January 12, 2014
by Ralphxyz
Miniature headers 6 4584 January 01, 2014
by Ralphxyz
BLDC 8 4672 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5269 November 26, 2013
by Rick_S
GLCD SPI problems 14 8532 November 10, 2013
by andyi
Moving on... 7 4480 November 08, 2013
by Pr0ject
Power supply questions 4 6050 October 31, 2013
by sask55
OLED 4 4247 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16250 September 22, 2013
by sask55
Opto Interrupter once again 14 8927 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4656 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11658 September 02, 2013
by Ralphxyz
USB cable specifications 7 6198 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5177 August 27, 2013
by Affarram
XMEGA Breakout 8 5534 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4209 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4878 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4924 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11319 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15975 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4199 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4811 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66250 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4005 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4564 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8729 March 14, 2013
by mongo
Current vs Voltage 8 5640 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5221 March 09, 2013
by lnino
Electric current 2 4000 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6937 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9689 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9213 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5082 February 24, 2013
by lnino
Relay Question 27 8335 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8021 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5506 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5378 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5152 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4742 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5413 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4731 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5560 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4076 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4152 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4631 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10186 November 18, 2012
by carlhako
SPI slave clock 6 4870 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4255 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31132 October 23, 2012
by Noter
NPN circuit connection quandry 4 4831 September 24, 2012
by edb
Simple I/O circuit 4 4487 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4266 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3988 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6797 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4479 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6864 September 13, 2012
by dan_engbers
Electronics simulation 8 5121 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7261 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4393 August 20, 2012
by rblalock
louder sound 2 4161 August 18, 2012
by mongo
connector or cable for LCD display? 4 4377 August 13, 2012
by missle3944
Powering L.E.Ds 5 4509 August 09, 2012
by BobaMosfet
Wires in U.K 5 4979 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4892 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7878 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7542 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5343 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22849 July 21, 2012
by lnino
um help 6 3967 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5020 July 18, 2012
by Ralphxyz
help me 11 4876 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4267 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5580 June 24, 2012
by Ralphxyz
HELP 3 4022 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14993 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4128 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6053 June 17, 2012
by RogerFL
Programmable current source 6 6093 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5645 June 11, 2012
by mongo
HELP 6 4348 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4746 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52007 May 24, 2012
by Ralphxyz
i need a code 8 4750 May 15, 2012
by pcbolt
Clock Accuracy 30 9416 May 14, 2012
by HexManiac
Relays and Controlling them 9 4724 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4988 May 09, 2012
by RogerFL
Powering your NerdKit 7 4573 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4596 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7830 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4997 April 24, 2012
by pcbolt
Programs will not run 6 4492 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5121 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4782 April 09, 2012
by Ralphxyz
Path Lights controller 2 4355 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4467 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5005 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4565 April 01, 2012
by JamesFysh
Question on LCD screen 5 4563 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4534 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5858 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5469 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9187 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4650 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5917 March 15, 2012
by mongo
Digital servo issues! 9 5170 March 15, 2012
by Rick_S
Brushless motor control 16 5514 March 12, 2012
by hevans
Windows not detecting device 3 4312 March 10, 2012
by hevans
Voltage throught MCU 5 4321 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20209 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11944 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21225 March 01, 2012
by hevans
Up and running... 3 4114 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4776 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5127 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4357 February 24, 2012
by Rick_S
programming lcd trubs 7 4477 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5145 February 18, 2012
by Rick_S
Oscilloscope 15 6417 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10929 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5565 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4756 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11542 February 09, 2012
by mongo
Data transmission 3 5306 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5114 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6692 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4605 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4154 January 31, 2012
by tchilzer2
H bridge questions 6 4946 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4695 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5114 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5307 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8436 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4979 January 15, 2012
by Rick_S
Source of power? 19 5113 January 13, 2012
by mongo
symbol defined please? 4 4791 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18144 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4692 January 06, 2012
by boxvic
Basic LED circuit properties 8 4923 January 06, 2012
by boxvic
Getting Started 3 4389 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5576 January 02, 2012
by bodangly
SMD reflow 16 5690 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4645 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5310 December 23, 2011
by BobaMosfet
Potentiometer 8 6275 December 23, 2011
by huzbum
Fun with Op-Amps 3 6510 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5604 December 19, 2011
by n1cl3
Odessy of the minds 5 4838 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4216 November 27, 2011
by sazD
Initial Load 2 4872 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5595 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6278 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4937 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10091 November 10, 2011
by jfbrink
Servo Squitter Project 13 4678 November 09, 2011
by Heed
how do i run a program 4 4241 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4501 November 07, 2011
by Heed
Motor control question 2 4287 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9983 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4551 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4431 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 96837 October 24, 2011
by glendon
Measuring Capacitance 9 5984 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4583 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6342 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23083 October 16, 2011
by sask55
RxD / TxD Questions 10 7824 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4673 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4563 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4856 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4358 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13872 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6038 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24520 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13265 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4297 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7870 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13982 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8977 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5425 September 01, 2011
by BobaMosfet
Dim LED 3 4249 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4770 August 23, 2011
by Twarter369
Easy Transistor Question 4 5408 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7180 August 18, 2011
by Ralphxyz
Building a coil?? 12 7179 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4670 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4318 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4161 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4094 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24223 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5422 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4831 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4546 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4588 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7369 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4246 July 17, 2011
by codenamejupiterx
avr macpack 3 4613 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4611 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4705 July 13, 2011
by BobaMosfet
Battery clip wires 3 4162 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4049 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4342 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4586 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5039 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25357 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4563 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4795 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6894 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4842 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4855 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4745 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5318 June 06, 2011
by mja
A couple of questions 3 4463 June 06, 2011
by Ralphxyz
How much should I strip? 3 4535 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5020 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4418 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4749 May 29, 2011
by Rick_S
Digital Input Question 4 4482 May 28, 2011
by frankdwest
PCB arrived 20 4474 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5115 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24124 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5067 May 09, 2011
by Noter
IR current 6 4766 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5490 May 04, 2011
by hariharan
Heat sensors 21 5862 May 04, 2011
by Hexorg
error 1 2 4367 May 02, 2011
by hevans
Transistor vs mosfet 13 12626 May 01, 2011
by Noter
PCB trace width calculator 3 5933 April 24, 2011
by esoderberg
OLED display 10 5645 April 23, 2011
by Rick_S
Power Supplies 17 6193 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4294 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4999 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4441 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5471 April 19, 2011
by mongo
Connecting to external control voltages 4 4417 April 19, 2011
by bretm
IR current question 7 4544 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5325 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5525 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4786 April 10, 2011
by uml_12
Basic projects 3 4462 April 09, 2011
by mongo
REFLOW oven 22 7418 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14750 April 07, 2011
by bretm
unexpected MCU rebooting 82 9459 April 05, 2011
by sask55
REFLOW Soldering 3 5411 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4758 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7103 March 30, 2011
by bretm
Black Display on LCD 6 4727 March 28, 2011
by Druidman
32kHz clock 2 4386 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11589 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12143 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6597 March 16, 2011
by mongo
LCD problem 3 4774 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5392 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5473 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4486 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8197 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5423 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5377 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12415 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9152 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6050 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9498 February 19, 2011
by Lusitania
My first Impression 6 4892 February 16, 2011
by devinsbusiness
Understanding battery life 3 6215 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5789 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5424 February 05, 2011
by BobaMosfet
High voltage lines 26 7609 February 02, 2011
by mongo
USB 3 4437 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5513 February 02, 2011
by Jalex
Alternating LED circuit 4 5389 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6722 January 31, 2011
by il1019
Affordable oscilloscopes 43 14990 January 27, 2011
by BStory
"And"gate unfinished thought 2 4582 January 27, 2011
by Hexorg
replace MCU? 30 9676 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5151 January 25, 2011
by Ralphxyz
Multimeter! 12 7438 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6087 January 25, 2011
by Jalex
My LED Cube so far 25 10863 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5879 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5318 January 18, 2011
by dgikuljot
Counting 5 4530 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9187 January 17, 2011
by bretm
Programming 5 5411 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5599 January 11, 2011
by Yourself
Begining 7 5681 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6068 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5400 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4714 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5246 January 06, 2011
by Mujda
Data input voltage 6 5247 January 03, 2011
by Rick_S
MOSFET Question 7 5395 December 31, 2010
by Keyster
Transistor as a switch 5 5444 December 29, 2010
by Hexorg
Resistors 5 5799 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10734 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5656 December 28, 2010
by BobaMosfet
Relay ratings 2 4973 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20303 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4798 December 17, 2010
by mongo
Power Rectifier 7 7091 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7430 December 14, 2010
by danuke
This a decent oscilloscope? 8 5211 December 14, 2010
by danuke
Do resistors in series really add up? 8 6630 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6025 December 09, 2010
by bretm
L293 H-Bridge 15 6718 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6931 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7093 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6003 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6528 November 24, 2010
by BobaMosfet
Op-amp not working 6 6796 November 24, 2010
by BobaMosfet
Python questions 4 5756 November 21, 2010
by tkopriva
CE Amp design 5 5308 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5204 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5065 November 05, 2010
by Mujda
PC4 not working?! 8 4922 November 04, 2010
by hapshetsut
Amplifiers 4 4876 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5737 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5820 October 04, 2010
by Scythium
radio interference from NerdKit 11 4955 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9584 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5430 September 11, 2010
by akajester
QFP and dreadboard 2 5333 September 02, 2010
by bretm
Getting power to the spinning part... 5 5189 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13140 August 30, 2010
by Ralphxyz
morse code decoder 2 5303 August 26, 2010
by jonathan_m
Connecting to Computer 3 5292 August 25, 2010
by awesome
555 astable on breadboard 12 6798 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4910 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5406 August 19, 2010
by hevans
mosfet 3 4668 August 13, 2010
by hevans
Good material on learning electronics. 8 5670 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4557 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7259 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6493 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9879 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6965 July 02, 2010
by mongo
Electro Cardio Gram 4 5848 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4610 June 12, 2010
by Wobbler
Voltage Regulator 20 6333 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5887 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6549 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6201 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5393 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4620 June 06, 2010
by Kafke
TSSOP IC! 4 5400 June 03, 2010
by mrobbins
AVcc 2 5635 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4828 May 31, 2010
by hevans
Cable Driver 2 4515 May 31, 2010
by mongo
Best 9V adapter to use 2 4952 May 28, 2010
by mongo
Unidirectional microphones 5 5196 May 27, 2010
by mongo
Servo question 3 4664 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5359 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5213 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6889 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11845 May 21, 2010
by hevans
Chinese Solenoid 15 5190 May 10, 2010
by treymd
avrisp mkii circuit 4 6393 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4733 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10082 May 07, 2010
by rajabalu21
Simple Power Switch 6 4826 May 05, 2010
by avicell
I can haz speed! 3 5176 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6681 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5521 April 21, 2010
by bretm
Help with choosing the right resistor 10 6619 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11372 April 15, 2010
by bretm
Resistor 4 4528 April 15, 2010
by mongo
MCU digital input pins 3 4735 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5017 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10905 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6973 March 28, 2010
by carlhako
Laptop ground safety question 3 5053 March 27, 2010
by ese
LM34 R-C Damper 5 6631 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5351 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4655 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6666 March 23, 2010
by ese
constant system reset 3 4544 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5314 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6397 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5646 March 17, 2010
by Frozenlock
What is -VS? 6 8707 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6458 March 04, 2010
by treymd
Using MCU to connect two wires 3 5540 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10315 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4972 March 02, 2010
by Solorbob
Deciphering power resistors 11 5360 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4746 March 01, 2010
by nrotstan
Understanding LEDs 16 7956 March 01, 2010
by michaeldallas
What's the part I need? 5 4852 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11888 February 23, 2010
by rajabalu21
Too much power? 14 5600 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6267 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6206 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13737 February 18, 2010
by Rick_S
Serial port interface circuit 2 5750 February 17, 2010
by mongo
OBDII project 3 4815 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8416 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7568 February 13, 2010
by BobaMosfet
Digital pots 5 5043 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5369 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6248 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7650 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7787 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5612 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7388 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11209 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5986 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5196 December 27, 2009
by jgauthier
Servo Signal Noise 2 4758 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8135 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11583 December 10, 2009
by georgio
Relays and transistors 12 9574 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9642 December 09, 2009
by Rick_S
IR Detector 7 9161 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5814 November 19, 2009
by mikedoug
Debug with lcd 6 5768 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5243 November 15, 2009
by tech20
Understanding output pin characteristics 4 5146 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7145 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5420 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49068 October 30, 2009
by BobaMosfet
DIY header unit 2 5598 October 10, 2009
by rusirius
Thermostat Logging 6 7252 October 09, 2009
by luke
Understanding transistors 6 6941 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10921 October 07, 2009
by mikedoug
Currant booster 3 4758 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5739 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13770 August 27, 2009
by hevans
Which LED? 14 5505 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6539 August 07, 2009
by mongo
pull up, pull down resistors 7 17950 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11932 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7788 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7177 July 07, 2009
by sector0
Reset switch for circuit 3 5411 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32037 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6546 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5303 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5461 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5943 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5285 May 06, 2009
by paulip

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Did you know that the microcontroller's crystal oscillator can be used to keep accurate time? Learn more...