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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 7547 July 27, 2019
by BobaMosfet
mosfet control during start up 5 7528 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6317 April 12, 2016
by Ralphxyz
USBasp Help! 3 5211 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 7334 May 04, 2015
by mongo
Need to replace Wall Watt 16 4684 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4416 April 10, 2015
by Noter
My new 3D Printer 44 19969 April 07, 2015
by Rick_S
AtMega 644 2 4500 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 3624 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4124 June 02, 2014
by JKITSON
Automated programming mode? 9 4515 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4150 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4030 January 28, 2014
by lailai
What kind of error is this? 4 4012 January 23, 2014
by Noter
How to double a DC voltage? 20 11244 January 12, 2014
by JKITSON
Is the code the driver? 2 3688 January 12, 2014
by Ralphxyz
Miniature headers 6 4118 January 01, 2014
by Ralphxyz
BLDC 8 4120 December 23, 2013
by esoderberg
I need help finding a terminal. 17 4580 November 26, 2013
by Rick_S
GLCD SPI problems 14 7976 November 10, 2013
by andyi
Moving on... 7 3986 November 08, 2013
by Pr0ject
Power supply questions 4 5361 October 31, 2013
by sask55
OLED 4 3694 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 15388 September 22, 2013
by sask55
Opto Interrupter once again 14 8174 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4103 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 10920 September 02, 2013
by Ralphxyz
USB cable specifications 7 5389 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 4536 August 27, 2013
by Affarram
XMEGA Breakout 8 4895 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 3704 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4381 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4414 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 10347 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15028 June 18, 2013
by Noter
Two Wrongs Make it Right 3 3637 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4213 April 08, 2013
by pcbolt
Using diode to drop voltage 12 64920 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3544 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 3918 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 7991 March 14, 2013
by mongo
Current vs Voltage 8 4906 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 4706 March 09, 2013
by lnino
Electric current 2 3458 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6445 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 8935 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 8362 February 28, 2013
by BobaMosfet
Control electronic door opener 15 4551 February 24, 2013
by lnino
Relay Question 27 7729 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7418 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 4959 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 4913 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 4567 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4157 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 4772 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4117 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 4984 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 3610 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 3670 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4178 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 9444 November 18, 2012
by carlhako
SPI slave clock 6 4346 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 3748 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 29689 October 23, 2012
by Noter
NPN circuit connection quandry 4 4347 September 24, 2012
by edb
Simple I/O circuit 4 4021 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 3754 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3449 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6072 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4033 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6288 September 13, 2012
by dan_engbers
Electronics simulation 8 4644 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 6710 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 3933 August 20, 2012
by rblalock
louder sound 2 3669 August 18, 2012
by mongo
connector or cable for LCD display? 4 3842 August 13, 2012
by missle3944
Powering L.E.Ds 5 4007 August 09, 2012
by BobaMosfet
Wires in U.K 5 4526 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4411 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7262 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7021 July 25, 2012
by bretm
Stepper Motor Direction Control 12 4795 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22215 July 21, 2012
by lnino
um help 6 3682 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4530 July 18, 2012
by Ralphxyz
help me 11 4391 July 03, 2012
by Rick_S
Crystal Oscillator question 2 3798 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5044 June 24, 2012
by Ralphxyz
HELP 3 3582 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14321 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 3695 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5533 June 17, 2012
by RogerFL
Programmable current source 6 5436 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5173 June 11, 2012
by mongo
HELP 6 3862 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4188 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 49263 May 24, 2012
by Ralphxyz
i need a code 8 4281 May 15, 2012
by pcbolt
Clock Accuracy 30 8870 May 14, 2012
by HexManiac
Relays and Controlling them 9 4219 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4496 May 09, 2012
by RogerFL
Powering your NerdKit 7 4123 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4061 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7276 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4539 April 24, 2012
by pcbolt
Programs will not run 6 3974 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 4633 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4328 April 09, 2012
by Ralphxyz
Path Lights controller 2 3840 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 3974 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4503 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4100 April 01, 2012
by JamesFysh
Question on LCD screen 5 4100 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4052 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5299 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 4921 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 8609 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4187 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5271 March 15, 2012
by mongo
Digital servo issues! 9 4646 March 15, 2012
by Rick_S
Brushless motor control 16 5037 March 12, 2012
by hevans
Windows not detecting device 3 3855 March 10, 2012
by hevans
Voltage throught MCU 5 3806 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 19377 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11263 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 20208 March 01, 2012
by hevans
Up and running... 3 3593 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4259 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 4567 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 3858 February 24, 2012
by Rick_S
programming lcd trubs 7 3891 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 4636 February 18, 2012
by Rick_S
Oscilloscope 15 5876 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10119 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5093 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4256 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 10563 February 09, 2012
by mongo
Data transmission 3 4842 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 4624 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6086 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4029 February 03, 2012
by BobaMosfet
connencting two ics to port 3 3718 January 31, 2012
by tchilzer2
H bridge questions 6 4352 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4193 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 4524 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 4789 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 7913 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4467 January 15, 2012
by Rick_S
Source of power? 19 4507 January 13, 2012
by mongo
symbol defined please? 4 4345 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 17289 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4125 January 06, 2012
by boxvic
Basic LED circuit properties 8 4439 January 06, 2012
by boxvic
Getting Started 3 3935 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5097 January 02, 2012
by bodangly
SMD reflow 16 5159 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4073 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 4859 December 23, 2011
by BobaMosfet
Potentiometer 8 5529 December 23, 2011
by huzbum
Fun with Op-Amps 3 5992 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5062 December 19, 2011
by n1cl3
Odessy of the minds 5 4343 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 3739 November 27, 2011
by sazD
Initial Load 2 4404 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 4948 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 5811 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4470 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 9495 November 10, 2011
by jfbrink
Servo Squitter Project 13 4182 November 09, 2011
by Heed
how do i run a program 4 3749 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4015 November 07, 2011
by Heed
Motor control question 2 3846 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9286 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4028 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 3994 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 94918 October 24, 2011
by glendon
Measuring Capacitance 9 5479 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4117 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 5807 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 21922 October 16, 2011
by sask55
RxD / TxD Questions 10 7108 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4202 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4073 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4313 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 3887 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 12771 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5511 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 23817 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 12441 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 3758 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7337 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13180 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8443 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 4926 September 01, 2011
by BobaMosfet
Dim LED 3 3760 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4283 August 23, 2011
by Twarter369
Easy Transistor Question 4 4885 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 6601 August 18, 2011
by Ralphxyz
Building a coil?? 12 6576 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4200 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 3862 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 3684 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 3627 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 23400 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 4963 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4364 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4060 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4114 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 6892 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 3730 July 17, 2011
by codenamejupiterx
avr macpack 3 4134 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4057 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4133 July 13, 2011
by BobaMosfet
Battery clip wires 3 3727 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3566 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 3915 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4117 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4511 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 24567 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4082 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4283 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6280 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4300 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4376 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4327 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 4726 June 06, 2011
by mja
A couple of questions 3 3963 June 06, 2011
by Ralphxyz
How much should I strip? 3 4052 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4502 June 01, 2011
by hevans
Motor Control/MCU power bus 5 3954 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4260 May 29, 2011
by Rick_S
Digital Input Question 4 4039 May 28, 2011
by frankdwest
PCB arrived 20 3941 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 4596 May 24, 2011
by gcharris
Calculating bypass capacitor 6 23294 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 4540 May 09, 2011
by Noter
IR current 6 4318 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5013 May 04, 2011
by hariharan
Heat sensors 21 5290 May 04, 2011
by Hexorg
error 1 2 3812 May 02, 2011
by hevans
Transistor vs mosfet 13 11916 May 01, 2011
by Noter
PCB trace width calculator 3 5392 April 24, 2011
by esoderberg
OLED display 10 5111 April 23, 2011
by Rick_S
Power Supplies 17 5697 April 22, 2011
by BobBolinger
LCD & battery&USB 4 3880 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4504 April 21, 2011
by Rick_S
ADC Theremin Help... 1 3865 April 20, 2011
by jasongillikin
RF and oscoliscope 2 4914 April 19, 2011
by mongo
Connecting to external control voltages 4 3968 April 19, 2011
by bretm
IR current question 7 4034 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 4810 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5002 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4319 April 10, 2011
by uml_12
Basic projects 3 3991 April 09, 2011
by mongo
REFLOW oven 22 6905 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 13898 April 07, 2011
by bretm
unexpected MCU rebooting 82 8897 April 05, 2011
by sask55
REFLOW Soldering 3 4834 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4254 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 6607 March 30, 2011
by bretm
Black Display on LCD 6 4243 March 28, 2011
by Druidman
32kHz clock 2 3930 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11019 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 11341 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6107 March 16, 2011
by mongo
LCD problem 3 4332 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 4887 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5010 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4038 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 7544 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 4959 February 26, 2011
by amartinez
Why does my led light without the battery? 2 4880 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 11920 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 8412 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5516 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9014 February 19, 2011
by Lusitania
My first Impression 6 4417 February 16, 2011
by devinsbusiness
Understanding battery life 3 5655 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5300 February 13, 2011
by sask55
Using Devices With Different Voltages 11 4920 February 05, 2011
by BobaMosfet
High voltage lines 26 6975 February 02, 2011
by mongo
USB 3 4015 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5005 February 02, 2011
by Jalex
Alternating LED circuit 4 4904 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6201 January 31, 2011
by il1019
Affordable oscilloscopes 43 13920 January 27, 2011
by BStory
"And"gate unfinished thought 2 4066 January 27, 2011
by Hexorg
replace MCU? 30 9030 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 4656 January 25, 2011
by Ralphxyz
Multimeter! 12 6879 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 5573 January 25, 2011
by Jalex
My LED Cube so far 25 10328 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5424 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 4847 January 18, 2011
by dgikuljot
Counting 5 4038 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 8510 January 17, 2011
by bretm
Programming 5 4850 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5110 January 11, 2011
by Yourself
Begining 7 5165 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 5563 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 4942 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4197 January 09, 2011
by mrobbins
UART operating at 3.3V 1 4760 January 06, 2011
by Mujda
Data input voltage 6 4772 January 03, 2011
by Rick_S
MOSFET Question 7 4945 December 31, 2010
by Keyster
Transistor as a switch 5 4882 December 29, 2010
by Hexorg
Resistors 5 5188 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10092 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5139 December 28, 2010
by BobaMosfet
Relay ratings 2 4493 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 19630 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4338 December 17, 2010
by mongo
Power Rectifier 7 4736 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 6783 December 14, 2010
by danuke
This a decent oscilloscope? 8 4706 December 14, 2010
by danuke
Do resistors in series really add up? 8 6059 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5498 December 09, 2010
by bretm
L293 H-Bridge 15 6139 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6360 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 6485 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5388 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6018 November 24, 2010
by BobaMosfet
Op-amp not working 6 6289 November 24, 2010
by BobaMosfet
Python questions 4 5265 November 21, 2010
by tkopriva
CE Amp design 5 4760 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 4678 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4555 November 05, 2010
by Mujda
PC4 not working?! 8 4327 November 04, 2010
by hapshetsut
Amplifiers 4 4400 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5235 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5307 October 04, 2010
by Scythium
radio interference from NerdKit 11 4426 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9069 September 14, 2010
by Ralphxyz
solar project with light sensors 7 4921 September 11, 2010
by akajester
QFP and dreadboard 2 4831 September 02, 2010
by bretm
Getting power to the spinning part... 5 4722 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 12419 August 30, 2010
by Ralphxyz
morse code decoder 2 4860 August 26, 2010
by jonathan_m
Connecting to Computer 3 4783 August 25, 2010
by awesome
555 astable on breadboard 12 6302 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4419 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 4861 August 19, 2010
by hevans
mosfet 3 4202 August 13, 2010
by hevans
Good material on learning electronics. 8 5178 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4096 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 6626 August 02, 2010
by mrobbins
More batteries = more voltage? 3 5936 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9204 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6447 July 02, 2010
by mongo
Electro Cardio Gram 4 5277 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4149 June 12, 2010
by Wobbler
Voltage Regulator 20 5778 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5372 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6025 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 5711 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 4896 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4134 June 06, 2010
by Kafke
TSSOP IC! 4 4866 June 03, 2010
by mrobbins
AVcc 2 5132 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4289 May 31, 2010
by hevans
Cable Driver 2 4040 May 31, 2010
by mongo
Best 9V adapter to use 2 4387 May 28, 2010
by mongo
Unidirectional microphones 5 4694 May 27, 2010
by mongo
Servo question 3 4199 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 4840 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 4738 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6345 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11063 May 21, 2010
by hevans
Chinese Solenoid 15 4664 May 10, 2010
by treymd
avrisp mkii circuit 4 5907 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4247 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 9401 May 07, 2010
by rajabalu21
Simple Power Switch 6 4352 May 05, 2010
by avicell
I can haz speed! 3 4679 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6163 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 4971 April 21, 2010
by bretm
Help with choosing the right resistor 10 6104 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 10591 April 15, 2010
by bretm
Resistor 4 4038 April 15, 2010
by mongo
MCU digital input pins 3 4231 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4473 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10396 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6489 March 28, 2010
by carlhako
Laptop ground safety question 3 4556 March 27, 2010
by ese
LM34 R-C Damper 5 6045 March 24, 2010
by BobaMosfet
NerdKits & USB 5 4872 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4131 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6156 March 23, 2010
by ese
constant system reset 3 4062 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 4799 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 5803 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5174 March 17, 2010
by Frozenlock
What is -VS? 6 8059 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6019 March 04, 2010
by treymd
Using MCU to connect two wires 3 4967 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 9565 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4426 March 02, 2010
by Solorbob
Deciphering power resistors 11 4845 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4179 March 01, 2010
by nrotstan
Understanding LEDs 16 7314 March 01, 2010
by michaeldallas
What's the part I need? 5 4319 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11316 February 23, 2010
by rajabalu21
Too much power? 14 5108 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 5738 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 5643 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 12995 February 18, 2010
by Rick_S
Serial port interface circuit 2 5286 February 17, 2010
by mongo
OBDII project 3 4337 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 7803 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 6990 February 13, 2010
by BobaMosfet
Digital pots 5 4567 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 4782 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 5745 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7054 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7249 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5141 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 6794 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 10547 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5502 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 4719 December 27, 2009
by jgauthier
Servo Signal Noise 2 4245 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 7548 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11046 December 10, 2009
by georgio
Relays and transistors 12 9044 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9104 December 09, 2009
by Rick_S
IR Detector 7 8495 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5305 November 19, 2009
by mikedoug
Debug with lcd 6 5284 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 4801 November 15, 2009
by tech20
Understanding output pin characteristics 4 4631 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 6497 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 4871 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 48131 October 30, 2009
by BobaMosfet
DIY header unit 2 5131 October 10, 2009
by rusirius
Thermostat Logging 6 6699 October 09, 2009
by luke
Understanding transistors 6 6490 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10335 October 07, 2009
by mikedoug
Currant booster 3 4245 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5269 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13151 August 27, 2009
by hevans
Which LED? 14 5025 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 5969 August 07, 2009
by mongo
pull up, pull down resistors 7 17402 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11250 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7108 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 6629 July 07, 2009
by sector0
Reset switch for circuit 3 4892 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31585 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6024 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 4817 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 4949 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5465 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 4781 May 06, 2009
by paulip

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