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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 5905 July 27, 2019
by BobaMosfet
mosfet control during start up 5 6963 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 5746 April 12, 2016
by Ralphxyz
USBasp Help! 3 4654 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 6676 May 04, 2015
by mongo
Need to replace Wall Watt 16 4135 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 3935 April 10, 2015
by Noter
My new 3D Printer 44 19324 April 07, 2015
by Rick_S
AtMega 644 2 4071 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 3203 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 3655 June 02, 2014
by JKITSON
Automated programming mode? 9 4064 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 3677 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 3548 January 28, 2014
by lailai
What kind of error is this? 4 3584 January 23, 2014
by Noter
How to double a DC voltage? 20 10512 January 12, 2014
by JKITSON
Is the code the driver? 2 3267 January 12, 2014
by Ralphxyz
Miniature headers 6 3696 January 01, 2014
by Ralphxyz
BLDC 8 3643 December 23, 2013
by esoderberg
I need help finding a terminal. 17 4069 November 26, 2013
by Rick_S
GLCD SPI problems 14 7447 November 10, 2013
by andyi
Moving on... 7 3581 November 08, 2013
by Pr0ject
Power supply questions 4 4880 October 31, 2013
by sask55
OLED 4 3267 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 14364 September 22, 2013
by sask55
Opto Interrupter once again 14 7633 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 3663 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 10409 September 02, 2013
by Ralphxyz
USB cable specifications 7 4744 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 4033 August 27, 2013
by Affarram
XMEGA Breakout 8 4447 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 3252 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 3863 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 3908 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 9586 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 14297 June 18, 2013
by Noter
Two Wrongs Make it Right 3 3222 May 22, 2013
by meltbox360
accurate time for a real time clock 5 3702 April 08, 2013
by pcbolt
Using diode to drop voltage 12 63383 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3152 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 3461 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 7255 March 14, 2013
by mongo
Current vs Voltage 8 4304 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 4260 March 09, 2013
by lnino
Electric current 2 3044 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6036 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 8363 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 7535 February 28, 2013
by BobaMosfet
Control electronic door opener 15 4097 February 24, 2013
by lnino
Relay Question 27 7233 February 19, 2013
by Noter
Rotary Encoder how to?? 21 6883 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 4491 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 4432 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 4115 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 3693 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 4221 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 3682 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 4469 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 3194 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 3261 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 3771 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 8926 November 18, 2012
by carlhako
SPI slave clock 6 3895 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 3373 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 27363 October 23, 2012
by Noter
NPN circuit connection quandry 4 3947 September 24, 2012
by edb
Simple I/O circuit 4 3568 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 3356 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3042 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 5459 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 3599 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 5846 September 13, 2012
by dan_engbers
Electronics simulation 8 4196 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 6185 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 3491 August 20, 2012
by rblalock
louder sound 2 3281 August 18, 2012
by mongo
connector or cable for LCD display? 4 3457 August 13, 2012
by missle3944
Powering L.E.Ds 5 3571 August 09, 2012
by BobaMosfet
Wires in U.K 5 4109 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4010 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 6577 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 6520 July 25, 2012
by bretm
Stepper Motor Direction Control 12 4333 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 21628 July 21, 2012
by lnino
um help 6 3286 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4118 July 18, 2012
by Ralphxyz
help me 11 3896 July 03, 2012
by Rick_S
Crystal Oscillator question 2 3384 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 4610 June 24, 2012
by Ralphxyz
HELP 3 3156 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 13741 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 3300 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5088 June 17, 2012
by RogerFL
Programmable current source 6 4863 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 4712 June 11, 2012
by mongo
HELP 6 3480 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 3685 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 47667 May 24, 2012
by Ralphxyz
i need a code 8 3873 May 15, 2012
by pcbolt
Clock Accuracy 30 8366 May 14, 2012
by HexManiac
Relays and Controlling them 9 3808 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4116 May 09, 2012
by RogerFL
Powering your NerdKit 7 3728 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 3650 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 6804 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4158 April 24, 2012
by pcbolt
Programs will not run 6 3544 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 4203 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 3935 April 09, 2012
by Ralphxyz
Path Lights controller 2 3439 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 3558 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4070 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 3739 April 01, 2012
by JamesFysh
Question on LCD screen 5 3663 March 30, 2012
by billtaichi
Is this Capaciator Good 4 3638 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 4859 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 4463 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 8140 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 3810 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 4732 March 15, 2012
by mongo
Digital servo issues! 9 4232 March 15, 2012
by Rick_S
Brushless motor control 16 4644 March 12, 2012
by hevans
Windows not detecting device 3 3454 March 10, 2012
by hevans
Voltage throught MCU 5 3421 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 18678 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 10661 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 18643 March 01, 2012
by hevans
Up and running... 3 3178 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 3785 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 4128 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 3444 February 24, 2012
by Rick_S
programming lcd trubs 7 3497 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 4186 February 18, 2012
by Rick_S
Oscilloscope 15 5332 February 18, 2012
by Osarus
How far away can a LM34 be? 16 9545 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 4693 February 14, 2012
by Ralphxyz
It's true, we forget... 18 3843 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 9703 February 09, 2012
by mongo
Data transmission 3 4471 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 4206 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 5668 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 3634 February 03, 2012
by BobaMosfet
connencting two ics to port 3 3291 January 31, 2012
by tchilzer2
H bridge questions 6 3967 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 3779 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 4089 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 4334 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 7313 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4059 January 15, 2012
by Rick_S
Source of power? 19 4053 January 13, 2012
by mongo
symbol defined please? 4 3955 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 16759 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 3711 January 06, 2012
by boxvic
Basic LED circuit properties 8 4022 January 06, 2012
by boxvic
Getting Started 3 3533 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 4681 January 02, 2012
by bodangly
SMD reflow 16 4686 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 3731 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 4447 December 23, 2011
by BobaMosfet
Potentiometer 8 4971 December 23, 2011
by huzbum
Fun with Op-Amps 3 5467 December 22, 2011
by treymd
Do I need an H-Bridge? 14 4614 December 19, 2011
by n1cl3
Odessy of the minds 5 3956 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 3363 November 27, 2011
by sazD
Initial Load 2 3978 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 4462 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 5368 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4022 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 8906 November 10, 2011
by jfbrink
Servo Squitter Project 13 3775 November 09, 2011
by Heed
how do i run a program 4 3346 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 3560 November 07, 2011
by Heed
Motor control question 2 3488 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 8681 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 3608 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 3622 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 92405 October 24, 2011
by glendon
Measuring Capacitance 9 5052 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 3752 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 5348 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 20715 October 16, 2011
by sask55
RxD / TxD Questions 10 6591 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 3806 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 3677 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 3898 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 3506 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 12061 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5126 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 23223 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 11675 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 3365 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 6899 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 12543 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 7958 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 4501 September 01, 2011
by BobaMosfet
Dim LED 3 3373 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 3864 August 23, 2011
by Twarter369
Easy Transistor Question 4 4427 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 6068 August 18, 2011
by Ralphxyz
Building a coil?? 12 6079 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 3798 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 3469 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 3248 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 3230 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 22797 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 4596 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 3929 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 3665 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 3680 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 6413 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 3373 July 17, 2011
by codenamejupiterx
avr macpack 3 3737 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 3652 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 3728 July 13, 2011
by BobaMosfet
Battery clip wires 3 3343 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3205 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 3495 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 3716 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4084 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 23354 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 3663 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 3894 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 5792 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 3898 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 3953 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 3945 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 4229 June 06, 2011
by mja
A couple of questions 3 3519 June 06, 2011
by Ralphxyz
How much should I strip? 3 3662 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4052 June 01, 2011
by hevans
Motor Control/MCU power bus 5 3532 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 3820 May 29, 2011
by Rick_S
Digital Input Question 4 3642 May 28, 2011
by frankdwest
PCB arrived 20 3558 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 4171 May 24, 2011
by gcharris
Calculating bypass capacitor 6 22518 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 4154 May 09, 2011
by Noter
IR current 6 3877 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 4635 May 04, 2011
by hariharan
Heat sensors 21 4860 May 04, 2011
by Hexorg
error 1 2 3422 May 02, 2011
by hevans
Transistor vs mosfet 13 11456 May 01, 2011
by Noter
PCB trace width calculator 3 4983 April 24, 2011
by esoderberg
OLED display 10 4714 April 23, 2011
by Rick_S
Power Supplies 17 5280 April 22, 2011
by BobBolinger
LCD & battery&USB 4 3500 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4054 April 21, 2011
by Rick_S
ADC Theremin Help... 1 3413 April 20, 2011
by jasongillikin
RF and oscoliscope 2 4431 April 19, 2011
by mongo
Connecting to external control voltages 4 3591 April 19, 2011
by bretm
IR current question 7 3661 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 4394 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 4594 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 3913 April 10, 2011
by uml_12
Basic projects 3 3572 April 09, 2011
by mongo
REFLOW oven 22 6430 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 13122 April 07, 2011
by bretm
unexpected MCU rebooting 82 8412 April 05, 2011
by sask55
REFLOW Soldering 3 4368 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 3840 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 6126 March 30, 2011
by bretm
Black Display on LCD 6 3873 March 28, 2011
by Druidman
32kHz clock 2 3561 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 10452 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 10519 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 5614 March 16, 2011
by mongo
LCD problem 3 3946 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 4473 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 4637 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 3645 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 7029 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 4561 February 26, 2011
by amartinez
Why does my led light without the battery? 2 4502 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 11500 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 7845 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5096 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 8491 February 19, 2011
by Lusitania
My first Impression 6 3870 February 16, 2011
by devinsbusiness
Understanding battery life 3 5164 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 4887 February 13, 2011
by sask55
Using Devices With Different Voltages 11 4487 February 05, 2011
by BobaMosfet
High voltage lines 26 6448 February 02, 2011
by mongo
USB 3 3628 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 4564 February 02, 2011
by Jalex
Alternating LED circuit 4 4409 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 5675 January 31, 2011
by il1019
Affordable oscilloscopes 43 13430 January 27, 2011
by BStory
"And"gate unfinished thought 2 3535 January 27, 2011
by Hexorg
replace MCU? 30 8492 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 4249 January 25, 2011
by Ralphxyz
Multimeter! 12 6448 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 5092 January 25, 2011
by Jalex
My LED Cube so far 25 9894 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 4981 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 4457 January 18, 2011
by dgikuljot
Counting 5 3489 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 8070 January 17, 2011
by bretm
Programming 5 4309 January 14, 2011
by Ralphxyz
Induction loop actuator 7 4660 January 11, 2011
by Yourself
Begining 7 4745 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 5129 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 4504 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 3753 January 09, 2011
by mrobbins
UART operating at 3.3V 1 4190 January 06, 2011
by Mujda
Data input voltage 6 4376 January 03, 2011
by Rick_S
MOSFET Question 7 4398 December 31, 2010
by Keyster
Transistor as a switch 5 4330 December 29, 2010
by Hexorg
Resistors 5 4791 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 9552 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 4681 December 28, 2010
by BobaMosfet
Relay ratings 2 4081 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 19015 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 3775 December 17, 2010
by mongo
Power Rectifier 7 4310 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 6313 December 14, 2010
by danuke
This a decent oscilloscope? 8 4295 December 14, 2010
by danuke
Do resistors in series really add up? 8 5532 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5084 December 09, 2010
by bretm
L293 H-Bridge 15 5663 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 5893 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 5826 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 4939 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 5550 November 24, 2010
by BobaMosfet
Op-amp not working 6 5801 November 24, 2010
by BobaMosfet
Python questions 4 4855 November 21, 2010
by tkopriva
CE Amp design 5 4354 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 4252 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4114 November 05, 2010
by Mujda
PC4 not working?! 8 3777 November 04, 2010
by hapshetsut
Amplifiers 4 4009 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 4839 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 4883 October 04, 2010
by Scythium
radio interference from NerdKit 11 3916 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 8636 September 14, 2010
by Ralphxyz
solar project with light sensors 7 4481 September 11, 2010
by akajester
QFP and dreadboard 2 4299 September 02, 2010
by bretm
Getting power to the spinning part... 5 4330 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 11909 August 30, 2010
by Ralphxyz
morse code decoder 2 4479 August 26, 2010
by jonathan_m
Connecting to Computer 3 4374 August 25, 2010
by awesome
555 astable on breadboard 12 5896 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4012 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 4467 August 19, 2010
by hevans
mosfet 3 3807 August 13, 2010
by hevans
Good material on learning electronics. 8 4772 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 3689 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 6122 August 02, 2010
by mrobbins
More batteries = more voltage? 3 5497 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 8701 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 5925 July 02, 2010
by mongo
Electro Cardio Gram 4 4767 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 3759 June 12, 2010
by Wobbler
Voltage Regulator 20 5281 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 4969 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 5621 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 5299 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 4417 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 3707 June 06, 2010
by Kafke
TSSOP IC! 4 4465 June 03, 2010
by mrobbins
AVcc 2 4704 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 3866 May 31, 2010
by hevans
Cable Driver 2 3646 May 31, 2010
by mongo
Best 9V adapter to use 2 3988 May 28, 2010
by mongo
Unidirectional microphones 5 4321 May 27, 2010
by mongo
Servo question 3 3835 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 4416 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 4334 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 5885 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 10187 May 21, 2010
by hevans
Chinese Solenoid 15 4241 May 10, 2010
by treymd
avrisp mkii circuit 4 5485 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 3849 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 8844 May 07, 2010
by rajabalu21
Simple Power Switch 6 3978 May 05, 2010
by avicell
I can haz speed! 3 4285 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 5720 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 4596 April 21, 2010
by bretm
Help with choosing the right resistor 10 5630 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 9947 April 15, 2010
by bretm
Resistor 4 3637 April 15, 2010
by mongo
MCU digital input pins 3 3841 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4054 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 9965 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6123 March 28, 2010
by carlhako
Laptop ground safety question 3 4165 March 27, 2010
by ese
LM34 R-C Damper 5 5659 March 24, 2010
by BobaMosfet
NerdKits & USB 5 4478 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 3756 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 5758 March 23, 2010
by ese
constant system reset 3 3645 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 4368 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 5275 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 4777 March 17, 2010
by Frozenlock
What is -VS? 6 7435 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 5625 March 04, 2010
by treymd
Using MCU to connect two wires 3 4557 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 8959 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4045 March 02, 2010
by Solorbob
Deciphering power resistors 11 4412 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 3802 March 01, 2010
by nrotstan
Understanding LEDs 16 6815 March 01, 2010
by michaeldallas
What's the part I need? 5 3903 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 10809 February 23, 2010
by rajabalu21
Too much power? 14 4693 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 5287 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 5087 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 12344 February 18, 2010
by Rick_S
Serial port interface circuit 2 4873 February 17, 2010
by mongo
OBDII project 3 3933 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 7270 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 6451 February 13, 2010
by BobaMosfet
Digital pots 5 4205 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 4336 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 5350 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 5936 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 6723 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 4662 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 6346 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 9982 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5095 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 4318 December 27, 2009
by jgauthier
Servo Signal Noise 2 3798 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 7123 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 10587 December 10, 2009
by georgio
Relays and transistors 12 8569 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 8585 December 09, 2009
by Rick_S
IR Detector 7 7866 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 4892 November 19, 2009
by mikedoug
Debug with lcd 6 4858 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 4418 November 15, 2009
by tech20
Understanding output pin characteristics 4 4191 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 6048 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 4427 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 47047 October 30, 2009
by BobaMosfet
DIY header unit 2 4722 October 10, 2009
by rusirius
Thermostat Logging 6 6199 October 09, 2009
by luke
Understanding transistors 6 6027 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 9826 October 07, 2009
by mikedoug
Currant booster 3 3818 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 4919 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 12520 August 27, 2009
by hevans
Which LED? 14 4597 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 5504 August 07, 2009
by mongo
pull up, pull down resistors 7 16941 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 10702 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 6601 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 6174 July 07, 2009
by sector0
Reset switch for circuit 3 4454 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31093 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 5543 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 4418 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 4532 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5093 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 4367 May 06, 2009
by paulip

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