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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 6868 July 27, 2019
by BobaMosfet
mosfet control during start up 5 7269 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6053 April 12, 2016
by Ralphxyz
USBasp Help! 3 4950 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 7031 May 04, 2015
by mongo
Need to replace Wall Watt 16 4429 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4196 April 10, 2015
by Noter
My new 3D Printer 44 19635 April 07, 2015
by Rick_S
AtMega 644 2 4307 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 3422 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 3909 June 02, 2014
by JKITSON
Automated programming mode? 9 4301 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 3932 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 3785 January 28, 2014
by lailai
What kind of error is this? 4 3818 January 23, 2014
by Noter
How to double a DC voltage? 20 10941 January 12, 2014
by JKITSON
Is the code the driver? 2 3477 January 12, 2014
by Ralphxyz
Miniature headers 6 3920 January 01, 2014
by Ralphxyz
BLDC 8 3880 December 23, 2013
by esoderberg
I need help finding a terminal. 17 4358 November 26, 2013
by Rick_S
GLCD SPI problems 14 7734 November 10, 2013
by andyi
Moving on... 7 3784 November 08, 2013
by Pr0ject
Power supply questions 4 5126 October 31, 2013
by sask55
OLED 4 3491 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 15000 September 22, 2013
by sask55
Opto Interrupter once again 14 7927 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 3894 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 10684 September 02, 2013
by Ralphxyz
USB cable specifications 7 5088 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 4285 August 27, 2013
by Affarram
XMEGA Breakout 8 4683 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 3485 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4148 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4181 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 9985 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 14710 June 18, 2013
by Noter
Two Wrongs Make it Right 3 3433 May 22, 2013
by meltbox360
accurate time for a real time clock 5 3949 April 08, 2013
by pcbolt
Using diode to drop voltage 12 64367 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3340 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 3672 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 7640 March 14, 2013
by mongo
Current vs Voltage 8 4608 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 4493 March 09, 2013
by lnino
Electric current 2 3259 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6227 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 8644 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 8009 February 28, 2013
by BobaMosfet
Control electronic door opener 15 4309 February 24, 2013
by lnino
Relay Question 27 7475 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7177 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 4736 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 4708 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 4336 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 3938 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 4515 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 3901 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 4714 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 3424 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 3469 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 3974 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 9190 November 18, 2012
by carlhako
SPI slave clock 6 4135 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 3564 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 29070 October 23, 2012
by Noter
NPN circuit connection quandry 4 4159 September 24, 2012
by edb
Simple I/O circuit 4 3778 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 3554 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3259 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 5752 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 3826 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6086 September 13, 2012
by dan_engbers
Electronics simulation 8 4414 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 6487 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 3714 August 20, 2012
by rblalock
louder sound 2 3482 August 18, 2012
by mongo
connector or cable for LCD display? 4 3658 August 13, 2012
by missle3944
Powering L.E.Ds 5 3798 August 09, 2012
by BobaMosfet
Wires in U.K 5 4341 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4216 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 6965 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 6799 July 25, 2012
by bretm
Stepper Motor Direction Control 12 4579 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 21948 July 21, 2012
by lnino
um help 6 3495 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4342 July 18, 2012
by Ralphxyz
help me 11 4137 July 03, 2012
by Rick_S
Crystal Oscillator question 2 3583 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 4825 June 24, 2012
by Ralphxyz
HELP 3 3397 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14039 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 3515 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5334 June 17, 2012
by RogerFL
Programmable current source 6 5139 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 4950 June 11, 2012
by mongo
HELP 6 3669 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 3947 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 48713 May 24, 2012
by Ralphxyz
i need a code 8 4077 May 15, 2012
by pcbolt
Clock Accuracy 30 8645 May 14, 2012
by HexManiac
Relays and Controlling them 9 3997 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4315 May 09, 2012
by RogerFL
Powering your NerdKit 7 3928 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 3841 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7043 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4354 April 24, 2012
by pcbolt
Programs will not run 6 3763 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 4424 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4145 April 09, 2012
by Ralphxyz
Path Lights controller 2 3653 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 3763 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4285 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 3907 April 01, 2012
by JamesFysh
Question on LCD screen 5 3898 March 30, 2012
by billtaichi
Is this Capaciator Good 4 3842 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5082 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 4690 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 8366 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4003 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5046 March 15, 2012
by mongo
Digital servo issues! 9 4448 March 15, 2012
by Rick_S
Brushless motor control 16 4840 March 12, 2012
by hevans
Windows not detecting device 3 3658 March 10, 2012
by hevans
Voltage throught MCU 5 3595 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 19040 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 10955 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 19615 March 01, 2012
by hevans
Up and running... 3 3371 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4037 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 4339 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 3649 February 24, 2012
by Rick_S
programming lcd trubs 7 3705 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 4416 February 18, 2012
by Rick_S
Oscilloscope 15 5592 February 18, 2012
by Osarus
How far away can a LM34 be? 16 9826 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 4885 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4056 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 10194 February 09, 2012
by mongo
Data transmission 3 4655 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 4417 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 5884 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 3827 February 03, 2012
by BobaMosfet
connencting two ics to port 3 3536 January 31, 2012
by tchilzer2
H bridge questions 6 4151 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 3990 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 4297 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 4577 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 7684 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4250 January 15, 2012
by Rick_S
Source of power? 19 4294 January 13, 2012
by mongo
symbol defined please? 4 4161 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 17034 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 3934 January 06, 2012
by boxvic
Basic LED circuit properties 8 4231 January 06, 2012
by boxvic
Getting Started 3 3749 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 4890 January 02, 2012
by bodangly
SMD reflow 16 4936 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 3890 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 4660 December 23, 2011
by BobaMosfet
Potentiometer 8 5266 December 23, 2011
by huzbum
Fun with Op-Amps 3 5767 December 22, 2011
by treymd
Do I need an H-Bridge? 14 4844 December 19, 2011
by n1cl3
Odessy of the minds 5 4159 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 3557 November 27, 2011
by sazD
Initial Load 2 4172 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 4721 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 5604 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4239 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 9228 November 10, 2011
by jfbrink
Servo Squitter Project 13 3969 November 09, 2011
by Heed
how do i run a program 4 3554 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 3754 November 07, 2011
by Heed
Motor control question 2 3662 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9007 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 3796 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 3812 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 94139 October 24, 2011
by glendon
Measuring Capacitance 9 5292 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 3931 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 5580 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 21522 October 16, 2011
by sask55
RxD / TxD Questions 10 6847 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 3999 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 3878 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4122 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 3710 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 12464 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5317 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 23534 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 12135 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 3550 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7127 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 12913 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8218 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 4705 September 01, 2011
by BobaMosfet
Dim LED 3 3569 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4081 August 23, 2011
by Twarter369
Easy Transistor Question 4 4666 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 6362 August 18, 2011
by Ralphxyz
Building a coil?? 12 6323 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 3995 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 3679 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 3480 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 3433 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 23098 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 4777 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4110 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 3857 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 3897 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 6675 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 3545 July 17, 2011
by codenamejupiterx
avr macpack 3 3938 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 3856 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 3937 July 13, 2011
by BobaMosfet
Battery clip wires 3 3523 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3382 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 3722 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 3905 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4301 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 24171 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 3878 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4097 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6053 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4102 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4152 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4144 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 4486 June 06, 2011
by mja
A couple of questions 3 3748 June 06, 2011
by Ralphxyz
How much should I strip? 3 3860 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4288 June 01, 2011
by hevans
Motor Control/MCU power bus 5 3747 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4063 May 29, 2011
by Rick_S
Digital Input Question 4 3857 May 28, 2011
by frankdwest
PCB arrived 20 3746 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 4364 May 24, 2011
by gcharris
Calculating bypass capacitor 6 22938 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 4351 May 09, 2011
by Noter
IR current 6 4080 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 4820 May 04, 2011
by hariharan
Heat sensors 21 5059 May 04, 2011
by Hexorg
error 1 2 3621 May 02, 2011
by hevans
Transistor vs mosfet 13 11677 May 01, 2011
by Noter
PCB trace width calculator 3 5182 April 24, 2011
by esoderberg
OLED display 10 4904 April 23, 2011
by Rick_S
Power Supplies 17 5486 April 22, 2011
by BobBolinger
LCD & battery&USB 4 3691 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4305 April 21, 2011
by Rick_S
ADC Theremin Help... 1 3640 April 20, 2011
by jasongillikin
RF and oscoliscope 2 4653 April 19, 2011
by mongo
Connecting to external control voltages 4 3779 April 19, 2011
by bretm
IR current question 7 3844 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 4607 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 4801 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4108 April 10, 2011
by uml_12
Basic projects 3 3747 April 09, 2011
by mongo
REFLOW oven 22 6684 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 13539 April 07, 2011
by bretm
unexpected MCU rebooting 82 8642 April 05, 2011
by sask55
REFLOW Soldering 3 4606 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4047 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 6372 March 30, 2011
by bretm
Black Display on LCD 6 4061 March 28, 2011
by Druidman
32kHz clock 2 3747 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 10750 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 10987 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 5881 March 16, 2011
by mongo
LCD problem 3 4137 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 4683 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 4810 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 3832 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 7288 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 4752 February 26, 2011
by amartinez
Why does my led light without the battery? 2 4682 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 11716 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 8153 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5304 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 8776 February 19, 2011
by Lusitania
My first Impression 6 4067 February 16, 2011
by devinsbusiness
Understanding battery life 3 5408 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5099 February 13, 2011
by sask55
Using Devices With Different Voltages 11 4704 February 05, 2011
by BobaMosfet
High voltage lines 26 6697 February 02, 2011
by mongo
USB 3 3825 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 4788 February 02, 2011
by Jalex
Alternating LED circuit 4 4591 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 5872 January 31, 2011
by il1019
Affordable oscilloscopes 43 13677 January 27, 2011
by BStory
"And"gate unfinished thought 2 3729 January 27, 2011
by Hexorg
replace MCU? 30 8774 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 4443 January 25, 2011
by Ralphxyz
Multimeter! 12 6652 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 5340 January 25, 2011
by Jalex
My LED Cube so far 25 10112 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5218 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 4650 January 18, 2011
by dgikuljot
Counting 5 3702 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 8288 January 17, 2011
by bretm
Programming 5 4494 January 14, 2011
by Ralphxyz
Induction loop actuator 7 4885 January 11, 2011
by Yourself
Begining 7 4955 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 5331 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 4718 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 3972 January 09, 2011
by mrobbins
UART operating at 3.3V 1 4390 January 06, 2011
by Mujda
Data input voltage 6 4577 January 03, 2011
by Rick_S
MOSFET Question 7 4611 December 31, 2010
by Keyster
Transistor as a switch 5 4529 December 29, 2010
by Hexorg
Resistors 5 4985 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 9852 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 4905 December 28, 2010
by BobaMosfet
Relay ratings 2 4287 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 19363 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 3978 December 17, 2010
by mongo
Power Rectifier 7 4517 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 6529 December 14, 2010
by danuke
This a decent oscilloscope? 8 4498 December 14, 2010
by danuke
Do resistors in series really add up? 8 5814 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5295 December 09, 2010
by bretm
L293 H-Bridge 15 5904 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6137 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 6107 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5154 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 5792 November 24, 2010
by BobaMosfet
Op-amp not working 6 6039 November 24, 2010
by BobaMosfet
Python questions 4 5055 November 21, 2010
by tkopriva
CE Amp design 5 4552 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 4479 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4335 November 05, 2010
by Mujda
PC4 not working?! 8 3975 November 04, 2010
by hapshetsut
Amplifiers 4 4203 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5038 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5091 October 04, 2010
by Scythium
radio interference from NerdKit 11 4152 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 8867 September 14, 2010
by Ralphxyz
solar project with light sensors 7 4697 September 11, 2010
by akajester
QFP and dreadboard 2 4637 September 02, 2010
by bretm
Getting power to the spinning part... 5 4536 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 12176 August 30, 2010
by Ralphxyz
morse code decoder 2 4676 August 26, 2010
by jonathan_m
Connecting to Computer 3 4587 August 25, 2010
by awesome
555 astable on breadboard 12 6099 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4228 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 4666 August 19, 2010
by hevans
mosfet 3 4011 August 13, 2010
by hevans
Good material on learning electronics. 8 4971 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 3899 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 6355 August 02, 2010
by mrobbins
More batteries = more voltage? 3 5719 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 8935 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6231 July 02, 2010
by mongo
Electro Cardio Gram 4 5041 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 3959 June 12, 2010
by Wobbler
Voltage Regulator 20 5500 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5162 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 5823 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 5501 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 4657 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 3917 June 06, 2010
by Kafke
TSSOP IC! 4 4673 June 03, 2010
by mrobbins
AVcc 2 4923 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4061 May 31, 2010
by hevans
Cable Driver 2 3852 May 31, 2010
by mongo
Best 9V adapter to use 2 4192 May 28, 2010
by mongo
Unidirectional microphones 5 4504 May 27, 2010
by mongo
Servo question 3 4013 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 4626 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 4527 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6123 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 10720 May 21, 2010
by hevans
Chinese Solenoid 15 4457 May 10, 2010
by treymd
avrisp mkii circuit 4 5697 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4058 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 9087 May 07, 2010
by rajabalu21
Simple Power Switch 6 4149 May 05, 2010
by avicell
I can haz speed! 3 4479 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 5928 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 4782 April 21, 2010
by bretm
Help with choosing the right resistor 10 5857 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 10279 April 15, 2010
by bretm
Resistor 4 3829 April 15, 2010
by mongo
MCU digital input pins 3 4048 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4271 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10189 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6304 March 28, 2010
by carlhako
Laptop ground safety question 3 4372 March 27, 2010
by ese
LM34 R-C Damper 5 5857 March 24, 2010
by BobaMosfet
NerdKits & USB 5 4678 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 3942 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 5952 March 23, 2010
by ese
constant system reset 3 3850 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 4599 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 5545 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 4978 March 17, 2010
by Frozenlock
What is -VS? 6 7760 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 5832 March 04, 2010
by treymd
Using MCU to connect two wires 3 4779 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 9275 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4248 March 02, 2010
by Solorbob
Deciphering power resistors 11 4634 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 3991 March 01, 2010
by nrotstan
Understanding LEDs 16 7065 March 01, 2010
by michaeldallas
What's the part I need? 5 4103 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11059 February 23, 2010
by rajabalu21
Too much power? 14 4902 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 5521 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 5365 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 12641 February 18, 2010
by Rick_S
Serial port interface circuit 2 5084 February 17, 2010
by mongo
OBDII project 3 4145 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 7521 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 6747 February 13, 2010
by BobaMosfet
Digital pots 5 4378 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 4526 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 5557 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 6438 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 6987 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 4891 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 6574 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 10329 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5301 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 4536 December 27, 2009
by jgauthier
Servo Signal Noise 2 4045 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 7340 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 10825 December 10, 2009
by georgio
Relays and transistors 12 8815 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 8879 December 09, 2009
by Rick_S
IR Detector 7 8206 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5101 November 19, 2009
by mikedoug
Debug with lcd 6 5073 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 4610 November 15, 2009
by tech20
Understanding output pin characteristics 4 4400 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 6279 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 4624 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 47743 October 30, 2009
by BobaMosfet
DIY header unit 2 4930 October 10, 2009
by rusirius
Thermostat Logging 6 6479 October 09, 2009
by luke
Understanding transistors 6 6260 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10095 October 07, 2009
by mikedoug
Currant booster 3 4033 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5094 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 12893 August 27, 2009
by hevans
Which LED? 14 4820 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 5742 August 07, 2009
by mongo
pull up, pull down resistors 7 17164 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 10998 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 6874 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 6417 July 07, 2009
by sector0
Reset switch for circuit 3 4650 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31384 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 5794 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 4616 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 4729 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5281 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 4582 May 06, 2009
by paulip

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