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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 7672 July 27, 2019
by BobaMosfet
mosfet control during start up 5 7556 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6341 April 12, 2016
by Ralphxyz
USBasp Help! 3 5230 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 7369 May 04, 2015
by mongo
Need to replace Wall Watt 16 4712 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4439 April 10, 2015
by Noter
My new 3D Printer 44 20000 April 07, 2015
by Rick_S
AtMega 644 2 4516 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 3642 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4147 June 02, 2014
by JKITSON
Automated programming mode? 9 4537 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4171 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4050 January 28, 2014
by lailai
What kind of error is this? 4 4025 January 23, 2014
by Noter
How to double a DC voltage? 20 11285 January 12, 2014
by JKITSON
Is the code the driver? 2 3710 January 12, 2014
by Ralphxyz
Miniature headers 6 4138 January 01, 2014
by Ralphxyz
BLDC 8 4143 December 23, 2013
by esoderberg
I need help finding a terminal. 17 4605 November 26, 2013
by Rick_S
GLCD SPI problems 14 7996 November 10, 2013
by andyi
Moving on... 7 4001 November 08, 2013
by Pr0ject
Power supply questions 4 5380 October 31, 2013
by sask55
OLED 4 3710 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 15427 September 22, 2013
by sask55
Opto Interrupter once again 14 8200 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4117 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 10945 September 02, 2013
by Ralphxyz
USB cable specifications 7 5423 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 4560 August 27, 2013
by Affarram
XMEGA Breakout 8 4915 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 3720 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4398 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4433 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 10379 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15054 June 18, 2013
by Noter
Two Wrongs Make it Right 3 3654 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4252 April 08, 2013
by pcbolt
Using diode to drop voltage 12 64995 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3559 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 3943 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8022 March 14, 2013
by mongo
Current vs Voltage 8 4949 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 4722 March 09, 2013
by lnino
Electric current 2 3475 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6464 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 8971 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 8400 February 28, 2013
by BobaMosfet
Control electronic door opener 15 4569 February 24, 2013
by lnino
Relay Question 27 7750 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7440 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 4987 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 4930 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 4583 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4175 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 4793 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4136 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5003 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 3626 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 3686 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4198 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 9470 November 18, 2012
by carlhako
SPI slave clock 6 4367 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 3769 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 29764 October 23, 2012
by Noter
NPN circuit connection quandry 4 4364 September 24, 2012
by edb
Simple I/O circuit 4 4040 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 3769 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3467 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6095 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4053 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6310 September 13, 2012
by dan_engbers
Electronics simulation 8 4670 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 6736 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 3951 August 20, 2012
by rblalock
louder sound 2 3687 August 18, 2012
by mongo
connector or cable for LCD display? 4 3857 August 13, 2012
by missle3944
Powering L.E.Ds 5 4026 August 09, 2012
by BobaMosfet
Wires in U.K 5 4547 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4430 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7288 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7040 July 25, 2012
by bretm
Stepper Motor Direction Control 12 4814 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22234 July 21, 2012
by lnino
um help 6 3702 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4545 July 18, 2012
by Ralphxyz
help me 11 4414 July 03, 2012
by Rick_S
Crystal Oscillator question 2 3814 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5063 June 24, 2012
by Ralphxyz
HELP 3 3598 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14358 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 3710 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5547 June 17, 2012
by RogerFL
Programmable current source 6 5460 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5189 June 11, 2012
by mongo
HELP 6 3879 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4210 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 49319 May 24, 2012
by Ralphxyz
i need a code 8 4301 May 15, 2012
by pcbolt
Clock Accuracy 30 8889 May 14, 2012
by HexManiac
Relays and Controlling them 9 4247 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4509 May 09, 2012
by RogerFL
Powering your NerdKit 7 4141 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4075 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7299 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4558 April 24, 2012
by pcbolt
Programs will not run 6 3992 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 4649 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4347 April 09, 2012
by Ralphxyz
Path Lights controller 2 3856 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 3990 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4524 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4117 April 01, 2012
by JamesFysh
Question on LCD screen 5 4119 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4067 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5321 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 4942 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 8633 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4204 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5291 March 15, 2012
by mongo
Digital servo issues! 9 4662 March 15, 2012
by Rick_S
Brushless motor control 16 5055 March 12, 2012
by hevans
Windows not detecting device 3 3872 March 10, 2012
by hevans
Voltage throught MCU 5 3824 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 19408 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11284 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 20246 March 01, 2012
by hevans
Up and running... 3 3619 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4275 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 4601 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 3876 February 24, 2012
by Rick_S
programming lcd trubs 7 3908 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 4657 February 18, 2012
by Rick_S
Oscilloscope 15 5911 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10162 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5111 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4272 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 10594 February 09, 2012
by mongo
Data transmission 3 4857 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 4652 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6106 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4050 February 03, 2012
by BobaMosfet
connencting two ics to port 3 3733 January 31, 2012
by tchilzer2
H bridge questions 6 4371 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4211 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 4543 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 4806 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 7932 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4482 January 15, 2012
by Rick_S
Source of power? 19 4524 January 13, 2012
by mongo
symbol defined please? 4 4363 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 17311 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4144 January 06, 2012
by boxvic
Basic LED circuit properties 8 4457 January 06, 2012
by boxvic
Getting Started 3 3954 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5110 January 02, 2012
by bodangly
SMD reflow 16 5177 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4091 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 4881 December 23, 2011
by BobaMosfet
Potentiometer 8 5566 December 23, 2011
by huzbum
Fun with Op-Amps 3 6018 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5081 December 19, 2011
by n1cl3
Odessy of the minds 5 4358 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 3757 November 27, 2011
by sazD
Initial Load 2 4432 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 4967 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 5829 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4492 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 9517 November 10, 2011
by jfbrink
Servo Squitter Project 13 4203 November 09, 2011
by Heed
how do i run a program 4 3771 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4039 November 07, 2011
by Heed
Motor control question 2 3863 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9318 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4046 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4016 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 95010 October 24, 2011
by glendon
Measuring Capacitance 9 5501 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4134 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 5842 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 21961 October 16, 2011
by sask55
RxD / TxD Questions 10 7134 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4218 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4092 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4326 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 3903 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 12814 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5528 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 23844 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 12473 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 3781 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7356 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13206 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8468 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 4943 September 01, 2011
by BobaMosfet
Dim LED 3 3783 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4299 August 23, 2011
by Twarter369
Easy Transistor Question 4 4906 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 6617 August 18, 2011
by Ralphxyz
Building a coil?? 12 6605 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4217 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 3882 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 3703 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 3643 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 23439 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 4983 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4391 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4074 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4133 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 6911 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 3749 July 17, 2011
by codenamejupiterx
avr macpack 3 4152 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4071 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4150 July 13, 2011
by BobaMosfet
Battery clip wires 3 3744 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3584 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 3930 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4133 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4529 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 24609 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4101 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4301 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6309 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4320 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4400 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4341 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 4756 June 06, 2011
by mja
A couple of questions 3 3983 June 06, 2011
by Ralphxyz
How much should I strip? 3 4071 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4520 June 01, 2011
by hevans
Motor Control/MCU power bus 5 3973 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4276 May 29, 2011
by Rick_S
Digital Input Question 4 4054 May 28, 2011
by frankdwest
PCB arrived 20 3958 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 4612 May 24, 2011
by gcharris
Calculating bypass capacitor 6 23336 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 4559 May 09, 2011
by Noter
IR current 6 4338 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5029 May 04, 2011
by hariharan
Heat sensors 21 5318 May 04, 2011
by Hexorg
error 1 2 3827 May 02, 2011
by hevans
Transistor vs mosfet 13 11937 May 01, 2011
by Noter
PCB trace width calculator 3 5419 April 24, 2011
by esoderberg
OLED display 10 5132 April 23, 2011
by Rick_S
Power Supplies 17 5714 April 22, 2011
by BobBolinger
LCD & battery&USB 4 3900 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4517 April 21, 2011
by Rick_S
ADC Theremin Help... 1 3883 April 20, 2011
by jasongillikin
RF and oscoliscope 2 4939 April 19, 2011
by mongo
Connecting to external control voltages 4 3986 April 19, 2011
by bretm
IR current question 7 4055 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 4832 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5022 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4348 April 10, 2011
by uml_12
Basic projects 3 4014 April 09, 2011
by mongo
REFLOW oven 22 6926 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 13945 April 07, 2011
by bretm
unexpected MCU rebooting 82 8919 April 05, 2011
by sask55
REFLOW Soldering 3 4851 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4271 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 6630 March 30, 2011
by bretm
Black Display on LCD 6 4260 March 28, 2011
by Druidman
32kHz clock 2 3944 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11045 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 11375 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6125 March 16, 2011
by mongo
LCD problem 3 4348 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 4915 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5028 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4056 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 7568 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 4976 February 26, 2011
by amartinez
Why does my led light without the battery? 2 4896 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 11936 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 8442 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5534 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9036 February 19, 2011
by Lusitania
My first Impression 6 4435 February 16, 2011
by devinsbusiness
Understanding battery life 3 5677 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5315 February 13, 2011
by sask55
Using Devices With Different Voltages 11 4939 February 05, 2011
by BobaMosfet
High voltage lines 26 7002 February 02, 2011
by mongo
USB 3 4032 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5026 February 02, 2011
by Jalex
Alternating LED circuit 4 4918 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6217 January 31, 2011
by il1019
Affordable oscilloscopes 43 13968 January 27, 2011
by BStory
"And"gate unfinished thought 2 4085 January 27, 2011
by Hexorg
replace MCU? 30 9063 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 4675 January 25, 2011
by Ralphxyz
Multimeter! 12 6907 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 5590 January 25, 2011
by Jalex
My LED Cube so far 25 10349 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5443 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 4863 January 18, 2011
by dgikuljot
Counting 5 4056 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 8531 January 17, 2011
by bretm
Programming 5 4878 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5131 January 11, 2011
by Yourself
Begining 7 5184 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 5576 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 4965 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4216 January 09, 2011
by mrobbins
UART operating at 3.3V 1 4778 January 06, 2011
by Mujda
Data input voltage 6 4787 January 03, 2011
by Rick_S
MOSFET Question 7 4959 December 31, 2010
by Keyster
Transistor as a switch 5 4914 December 29, 2010
by Hexorg
Resistors 5 5207 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10117 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5160 December 28, 2010
by BobaMosfet
Relay ratings 2 4508 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 19650 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4365 December 17, 2010
by mongo
Power Rectifier 7 4752 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 6806 December 14, 2010
by danuke
This a decent oscilloscope? 8 4723 December 14, 2010
by danuke
Do resistors in series really add up? 8 6080 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5514 December 09, 2010
by bretm
L293 H-Bridge 15 6162 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6376 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 6505 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5404 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6036 November 24, 2010
by BobaMosfet
Op-amp not working 6 6306 November 24, 2010
by BobaMosfet
Python questions 4 5282 November 21, 2010
by tkopriva
CE Amp design 5 4776 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 4695 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4571 November 05, 2010
by Mujda
PC4 not working?! 8 4345 November 04, 2010
by hapshetsut
Amplifiers 4 4415 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5250 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5324 October 04, 2010
by Scythium
radio interference from NerdKit 11 4447 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9085 September 14, 2010
by Ralphxyz
solar project with light sensors 7 4940 September 11, 2010
by akajester
QFP and dreadboard 2 4849 September 02, 2010
by bretm
Getting power to the spinning part... 5 4740 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 12450 August 30, 2010
by Ralphxyz
morse code decoder 2 4877 August 26, 2010
by jonathan_m
Connecting to Computer 3 4802 August 25, 2010
by awesome
555 astable on breadboard 12 6319 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4433 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 4879 August 19, 2010
by hevans
mosfet 3 4219 August 13, 2010
by hevans
Good material on learning electronics. 8 5193 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4112 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 6647 August 02, 2010
by mrobbins
More batteries = more voltage? 3 5951 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9237 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6468 July 02, 2010
by mongo
Electro Cardio Gram 4 5304 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4171 June 12, 2010
by Wobbler
Voltage Regulator 20 5816 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5387 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6043 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 5730 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 4910 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4151 June 06, 2010
by Kafke
TSSOP IC! 4 4885 June 03, 2010
by mrobbins
AVcc 2 5147 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4318 May 31, 2010
by hevans
Cable Driver 2 4057 May 31, 2010
by mongo
Best 9V adapter to use 2 4405 May 28, 2010
by mongo
Unidirectional microphones 5 4712 May 27, 2010
by mongo
Servo question 3 4216 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 4859 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 4755 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6367 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11102 May 21, 2010
by hevans
Chinese Solenoid 15 4682 May 10, 2010
by treymd
avrisp mkii circuit 4 5928 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4264 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 9440 May 07, 2010
by rajabalu21
Simple Power Switch 6 4373 May 05, 2010
by avicell
I can haz speed! 3 4695 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6182 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 4995 April 21, 2010
by bretm
Help with choosing the right resistor 10 6117 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 10615 April 15, 2010
by bretm
Resistor 4 4056 April 15, 2010
by mongo
MCU digital input pins 3 4247 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4492 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10414 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6505 March 28, 2010
by carlhako
Laptop ground safety question 3 4572 March 27, 2010
by ese
LM34 R-C Damper 5 6064 March 24, 2010
by BobaMosfet
NerdKits & USB 5 4890 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4152 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6175 March 23, 2010
by ese
constant system reset 3 4081 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 4817 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 5830 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5190 March 17, 2010
by Frozenlock
What is -VS? 6 8104 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6036 March 04, 2010
by treymd
Using MCU to connect two wires 3 4985 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 9589 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4447 March 02, 2010
by Solorbob
Deciphering power resistors 11 4863 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4196 March 01, 2010
by nrotstan
Understanding LEDs 16 7333 March 01, 2010
by michaeldallas
What's the part I need? 5 4335 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11351 February 23, 2010
by rajabalu21
Too much power? 14 5123 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 5759 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 5670 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13023 February 18, 2010
by Rick_S
Serial port interface circuit 2 5304 February 17, 2010
by mongo
OBDII project 3 4352 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 7830 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7011 February 13, 2010
by BobaMosfet
Digital pots 5 4589 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 4798 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 5759 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7074 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7272 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5166 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 6814 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 10571 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5519 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 4736 December 27, 2009
by jgauthier
Servo Signal Noise 2 4261 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 7564 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11065 December 10, 2009
by georgio
Relays and transistors 12 9064 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9125 December 09, 2009
by Rick_S
IR Detector 7 8517 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5321 November 19, 2009
by mikedoug
Debug with lcd 6 5302 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 4817 November 15, 2009
by tech20
Understanding output pin characteristics 4 4649 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 6519 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 4906 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 48174 October 30, 2009
by BobaMosfet
DIY header unit 2 5151 October 10, 2009
by rusirius
Thermostat Logging 6 6729 October 09, 2009
by luke
Understanding transistors 6 6511 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10353 October 07, 2009
by mikedoug
Currant booster 3 4260 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5286 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13179 August 27, 2009
by hevans
Which LED? 14 5044 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 5991 August 07, 2009
by mongo
pull up, pull down resistors 7 17430 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11275 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7127 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 6649 July 07, 2009
by sector0
Reset switch for circuit 3 4926 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31603 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6044 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 4836 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 4973 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5485 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 4800 May 06, 2009
by paulip

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