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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8448 July 27, 2019
by BobaMosfet
mosfet control during start up 5 7962 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6728 April 12, 2016
by Ralphxyz
USBasp Help! 3 5633 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 7829 May 04, 2015
by mongo
Need to replace Wall Watt 16 5130 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4813 April 10, 2015
by Noter
My new 3D Printer 44 20367 April 07, 2015
by Rick_S
AtMega 644 2 4938 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 3974 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4554 June 02, 2014
by JKITSON
Automated programming mode? 9 4871 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4484 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4433 January 28, 2014
by lailai
What kind of error is this? 4 4354 January 23, 2014
by Noter
How to double a DC voltage? 20 11638 January 12, 2014
by JKITSON
Is the code the driver? 2 4142 January 12, 2014
by Ralphxyz
Miniature headers 6 4450 January 01, 2014
by Ralphxyz
BLDC 8 4473 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5001 November 26, 2013
by Rick_S
GLCD SPI problems 14 8319 November 10, 2013
by andyi
Moving on... 7 4315 November 08, 2013
by Pr0ject
Power supply questions 4 5768 October 31, 2013
by sask55
OLED 4 4045 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 15916 September 22, 2013
by sask55
Opto Interrupter once again 14 8630 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4501 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11376 September 02, 2013
by Ralphxyz
USB cable specifications 7 5849 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 4917 August 27, 2013
by Affarram
XMEGA Breakout 8 5307 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4042 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4720 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4745 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 10881 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15506 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4005 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4654 April 08, 2013
by pcbolt
Using diode to drop voltage 12 65609 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3870 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4332 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8489 March 14, 2013
by mongo
Current vs Voltage 8 5415 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5059 March 09, 2013
by lnino
Electric current 2 3853 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6793 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9439 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 8832 February 28, 2013
by BobaMosfet
Control electronic door opener 15 4884 February 24, 2013
by lnino
Relay Question 27 8123 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7786 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5316 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5240 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 4958 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4573 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5162 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4526 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5375 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 3927 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4022 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4503 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 9856 November 18, 2012
by carlhako
SPI slave clock 6 4691 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4116 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 30497 October 23, 2012
by Noter
NPN circuit connection quandry 4 4673 September 24, 2012
by edb
Simple I/O circuit 4 4325 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4122 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3777 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6482 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4343 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6696 September 13, 2012
by dan_engbers
Electronics simulation 8 4993 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7061 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4238 August 20, 2012
by rblalock
louder sound 2 4015 August 18, 2012
by mongo
connector or cable for LCD display? 4 4235 August 13, 2012
by missle3944
Powering L.E.Ds 5 4358 August 09, 2012
by BobaMosfet
Wires in U.K 5 4830 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4744 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7645 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7366 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5145 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22611 July 21, 2012
by lnino
um help 6 3832 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4860 July 18, 2012
by Ralphxyz
help me 11 4714 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4123 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5376 June 24, 2012
by Ralphxyz
HELP 3 3879 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14743 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 3991 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5911 June 17, 2012
by RogerFL
Programmable current source 6 5827 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5494 June 11, 2012
by mongo
HELP 6 4200 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4554 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 50046 May 24, 2012
by Ralphxyz
i need a code 8 4599 May 15, 2012
by pcbolt
Clock Accuracy 30 9229 May 14, 2012
by HexManiac
Relays and Controlling them 9 4546 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4827 May 09, 2012
by RogerFL
Powering your NerdKit 7 4413 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4439 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7621 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4866 April 24, 2012
by pcbolt
Programs will not run 6 4320 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 4951 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4635 April 09, 2012
by Ralphxyz
Path Lights controller 2 4192 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4309 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4819 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4415 April 01, 2012
by JamesFysh
Question on LCD screen 5 4421 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4367 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5630 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5272 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 8985 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4497 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5624 March 15, 2012
by mongo
Digital servo issues! 9 4996 March 15, 2012
by Rick_S
Brushless motor control 16 5353 March 12, 2012
by hevans
Windows not detecting device 3 4153 March 10, 2012
by hevans
Voltage throught MCU 5 4147 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 19892 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11653 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 20735 March 01, 2012
by hevans
Up and running... 3 3958 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4622 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 4954 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4200 February 24, 2012
by Rick_S
programming lcd trubs 7 4259 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 4979 February 18, 2012
by Rick_S
Oscilloscope 15 6247 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10648 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5413 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4591 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11100 February 09, 2012
by mongo
Data transmission 3 5177 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 4965 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6500 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4451 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4019 January 31, 2012
by tchilzer2
H bridge questions 6 4782 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4518 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 4900 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5126 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8247 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4797 January 15, 2012
by Rick_S
Source of power? 19 4918 January 13, 2012
by mongo
symbol defined please? 4 4658 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 17752 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4528 January 06, 2012
by boxvic
Basic LED circuit properties 8 4746 January 06, 2012
by boxvic
Getting Started 3 4245 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5426 January 02, 2012
by bodangly
SMD reflow 16 5512 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4477 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5162 December 23, 2011
by BobaMosfet
Potentiometer 8 6019 December 23, 2011
by huzbum
Fun with Op-Amps 3 6325 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5397 December 19, 2011
by n1cl3
Odessy of the minds 5 4695 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4067 November 27, 2011
by sazD
Initial Load 2 4733 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5396 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6100 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4781 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 9846 November 10, 2011
by jfbrink
Servo Squitter Project 13 4513 November 09, 2011
by Heed
how do i run a program 4 4123 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4359 November 07, 2011
by Heed
Motor control question 2 4155 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9695 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4387 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4293 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 95821 October 24, 2011
by glendon
Measuring Capacitance 9 5809 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4449 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6160 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 22538 October 16, 2011
by sask55
RxD / TxD Questions 10 7540 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4533 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4418 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4676 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4228 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13318 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5866 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24241 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 12866 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4154 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7681 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13589 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8798 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5247 September 01, 2011
by BobaMosfet
Dim LED 3 4094 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4618 August 23, 2011
by Twarter369
Easy Transistor Question 4 5227 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 6955 August 18, 2011
by Ralphxyz
Building a coil?? 12 6992 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4534 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4182 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4003 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 3957 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 23918 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5273 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4692 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4399 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4438 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7219 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4083 July 17, 2011
by codenamejupiterx
avr macpack 3 4477 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4436 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4509 July 13, 2011
by BobaMosfet
Battery clip wires 3 4030 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3901 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4201 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4427 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4822 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25052 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4407 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4616 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6706 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4652 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4692 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4617 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5133 June 06, 2011
by mja
A couple of questions 3 4312 June 06, 2011
by Ralphxyz
How much should I strip? 3 4387 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4847 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4253 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4588 May 29, 2011
by Rick_S
Digital Input Question 4 4335 May 28, 2011
by frankdwest
PCB arrived 20 4319 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 4943 May 24, 2011
by gcharris
Calculating bypass capacitor 6 23813 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 4921 May 09, 2011
by Noter
IR current 6 4634 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5326 May 04, 2011
by hariharan
Heat sensors 21 5684 May 04, 2011
by Hexorg
error 1 2 4155 May 02, 2011
by hevans
Transistor vs mosfet 13 12350 May 01, 2011
by Noter
PCB trace width calculator 3 5776 April 24, 2011
by esoderberg
OLED display 10 5461 April 23, 2011
by Rick_S
Power Supplies 17 6027 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4152 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4864 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4260 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5320 April 19, 2011
by mongo
Connecting to external control voltages 4 4283 April 19, 2011
by bretm
IR current question 7 4395 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5172 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5344 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4646 April 10, 2011
by uml_12
Basic projects 3 4305 April 09, 2011
by mongo
REFLOW oven 22 7253 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14415 April 07, 2011
by bretm
unexpected MCU rebooting 82 9247 April 05, 2011
by sask55
REFLOW Soldering 3 5225 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4598 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 6929 March 30, 2011
by bretm
Black Display on LCD 6 4594 March 28, 2011
by Druidman
32kHz clock 2 4233 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11360 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 11752 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6416 March 16, 2011
by mongo
LCD problem 3 4636 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5207 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5342 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4346 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 7922 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5256 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5198 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12264 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 8887 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5873 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9341 February 19, 2011
by Lusitania
My first Impression 6 4716 February 16, 2011
by devinsbusiness
Understanding battery life 3 5990 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5631 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5247 February 05, 2011
by BobaMosfet
High voltage lines 26 7387 February 02, 2011
by mongo
USB 3 4315 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5327 February 02, 2011
by Jalex
Alternating LED circuit 4 5248 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6556 January 31, 2011
by il1019
Affordable oscilloscopes 43 14505 January 27, 2011
by BStory
"And"gate unfinished thought 2 4426 January 27, 2011
by Hexorg
replace MCU? 30 9418 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 4981 January 25, 2011
by Ralphxyz
Multimeter! 12 7257 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 5903 January 25, 2011
by Jalex
My LED Cube so far 25 10693 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5748 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5172 January 18, 2011
by dgikuljot
Counting 5 4359 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 8990 January 17, 2011
by bretm
Programming 5 5213 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5444 January 11, 2011
by Yourself
Begining 7 5517 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 5907 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5253 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4557 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5087 January 06, 2011
by Mujda
Data input voltage 6 5088 January 03, 2011
by Rick_S
MOSFET Question 7 5239 December 31, 2010
by Keyster
Transistor as a switch 5 5267 December 29, 2010
by Hexorg
Resistors 5 5609 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10474 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5465 December 28, 2010
by BobaMosfet
Relay ratings 2 4809 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20085 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4648 December 17, 2010
by mongo
Power Rectifier 7 5097 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7190 December 14, 2010
by danuke
This a decent oscilloscope? 8 5046 December 14, 2010
by danuke
Do resistors in series really add up? 8 6414 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5850 December 09, 2010
by bretm
L293 H-Bridge 15 6529 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6724 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 6905 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5818 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6331 November 24, 2010
by BobaMosfet
Op-amp not working 6 6630 November 24, 2010
by BobaMosfet
Python questions 4 5617 November 21, 2010
by tkopriva
CE Amp design 5 5109 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5056 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4883 November 05, 2010
by Mujda
PC4 not working?! 8 4729 November 04, 2010
by hapshetsut
Amplifiers 4 4724 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5583 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5656 October 04, 2010
by Scythium
radio interference from NerdKit 11 4755 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9390 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5285 September 11, 2010
by akajester
QFP and dreadboard 2 5179 September 02, 2010
by bretm
Getting power to the spinning part... 5 5058 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 12908 August 30, 2010
by Ralphxyz
morse code decoder 2 5169 August 26, 2010
by jonathan_m
Connecting to Computer 3 5116 August 25, 2010
by awesome
555 astable on breadboard 12 6652 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4746 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5243 August 19, 2010
by hevans
mosfet 3 4532 August 13, 2010
by hevans
Good material on learning electronics. 8 5515 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4408 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7018 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6342 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9605 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6808 July 02, 2010
by mongo
Electro Cardio Gram 4 5640 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4479 June 12, 2010
by Wobbler
Voltage Regulator 20 6160 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5720 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6361 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6041 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5231 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4468 June 06, 2010
by Kafke
TSSOP IC! 4 5235 June 03, 2010
by mrobbins
AVcc 2 5482 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4685 May 31, 2010
by hevans
Cable Driver 2 4369 May 31, 2010
by mongo
Best 9V adapter to use 2 4798 May 28, 2010
by mongo
Unidirectional microphones 5 5041 May 27, 2010
by mongo
Servo question 3 4519 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5204 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5056 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6713 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11500 May 21, 2010
by hevans
Chinese Solenoid 15 4988 May 10, 2010
by treymd
avrisp mkii circuit 4 6252 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4590 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 9819 May 07, 2010
by rajabalu21
Simple Power Switch 6 4681 May 05, 2010
by avicell
I can haz speed! 3 5029 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6512 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5358 April 21, 2010
by bretm
Help with choosing the right resistor 10 6455 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11003 April 15, 2010
by bretm
Resistor 4 4380 April 15, 2010
by mongo
MCU digital input pins 3 4577 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4859 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10737 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6827 March 28, 2010
by carlhako
Laptop ground safety question 3 4902 March 27, 2010
by ese
LM34 R-C Damper 5 6487 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5195 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4467 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6517 March 23, 2010
by ese
constant system reset 3 4393 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5163 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6188 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5501 March 17, 2010
by Frozenlock
What is -VS? 6 8530 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6331 March 04, 2010
by treymd
Using MCU to connect two wires 3 5377 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 9954 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4822 March 02, 2010
by Solorbob
Deciphering power resistors 11 5181 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4591 March 01, 2010
by nrotstan
Understanding LEDs 16 7715 March 01, 2010
by michaeldallas
What's the part I need? 5 4682 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11695 February 23, 2010
by rajabalu21
Too much power? 14 5436 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6100 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6032 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13403 February 18, 2010
by Rick_S
Serial port interface circuit 2 5594 February 17, 2010
by mongo
OBDII project 3 4676 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8164 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7369 February 13, 2010
by BobaMosfet
Digital pots 5 4909 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5193 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6038 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7411 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7609 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5472 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7153 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 10957 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5794 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5062 December 27, 2009
by jgauthier
Servo Signal Noise 2 4612 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 7919 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11388 December 10, 2009
by georgio
Relays and transistors 12 9388 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9445 December 09, 2009
by Rick_S
IR Detector 7 8888 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5643 November 19, 2009
by mikedoug
Debug with lcd 6 5608 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5109 November 15, 2009
by tech20
Understanding output pin characteristics 4 4961 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 6902 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5231 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 48613 October 30, 2009
by BobaMosfet
DIY header unit 2 5464 October 10, 2009
by rusirius
Thermostat Logging 6 7072 October 09, 2009
by luke
Understanding transistors 6 6790 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10714 October 07, 2009
by mikedoug
Currant booster 3 4607 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5599 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13548 August 27, 2009
by hevans
Which LED? 14 5336 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6349 August 07, 2009
by mongo
pull up, pull down resistors 7 17765 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11667 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7576 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7007 July 07, 2009
by sector0
Reset switch for circuit 3 5270 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31894 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6373 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5163 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5289 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5792 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5121 May 06, 2009
by paulip

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