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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 5437 July 27, 2019
by BobaMosfet
mosfet control during start up 5 6586 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 5393 April 12, 2016
by Ralphxyz
USBasp Help! 3 4289 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 6311 May 04, 2015
by mongo
Need to replace Wall Watt 16 3652 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 3612 April 10, 2015
by Noter
My new 3D Printer 44 19010 April 07, 2015
by Rick_S
AtMega 644 2 3787 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 2933 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 3354 June 02, 2014
by JKITSON
Automated programming mode? 9 3736 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 3393 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 3256 January 28, 2014
by lailai
What kind of error is this? 4 3308 January 23, 2014
by Noter
How to double a DC voltage? 20 9869 January 12, 2014
by JKITSON
Is the code the driver? 2 2976 January 12, 2014
by Ralphxyz
Miniature headers 6 3380 January 01, 2014
by Ralphxyz
BLDC 8 3351 December 23, 2013
by esoderberg
I need help finding a terminal. 17 3787 November 26, 2013
by Rick_S
GLCD SPI problems 14 7108 November 10, 2013
by andyi
Moving on... 7 3325 November 08, 2013
by Pr0ject
Power supply questions 4 4461 October 31, 2013
by sask55
OLED 4 3007 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 13830 September 22, 2013
by sask55
Opto Interrupter once again 14 7267 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 3375 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 10068 September 02, 2013
by Ralphxyz
USB cable specifications 7 4366 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 3698 August 27, 2013
by Affarram
XMEGA Breakout 8 4061 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 2993 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 3571 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 3590 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 9208 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 13813 June 18, 2013
by Noter
Two Wrongs Make it Right 3 2954 May 22, 2013
by meltbox360
accurate time for a real time clock 5 3433 April 08, 2013
by pcbolt
Using diode to drop voltage 12 62543 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 2867 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 3219 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 6705 March 14, 2013
by mongo
Current vs Voltage 8 4040 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 3972 March 09, 2013
by lnino
Electric current 2 2810 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 5743 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 7988 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 7084 February 28, 2013
by BobaMosfet
Control electronic door opener 15 3797 February 24, 2013
by lnino
Relay Question 27 6934 February 19, 2013
by Noter
Rotary Encoder how to?? 21 6567 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 4186 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 4163 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 3823 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 3443 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 3929 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 3432 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 4219 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 2958 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 3017 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 3472 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 8614 November 18, 2012
by carlhako
SPI slave clock 6 3595 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 3124 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 26341 October 23, 2012
by Noter
NPN circuit connection quandry 4 3675 September 24, 2012
by edb
Simple I/O circuit 4 3273 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 3112 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 2773 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 5115 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 3342 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 5565 September 13, 2012
by dan_engbers
Electronics simulation 8 3943 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 5856 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 3245 August 20, 2012
by rblalock
louder sound 2 3026 August 18, 2012
by mongo
connector or cable for LCD display? 4 3198 August 13, 2012
by missle3944
Powering L.E.Ds 5 3308 August 09, 2012
by BobaMosfet
Wires in U.K 5 3708 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 3640 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 6146 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 6231 July 25, 2012
by bretm
Stepper Motor Direction Control 12 4035 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 21159 July 21, 2012
by lnino
um help 6 3048 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 3849 July 18, 2012
by Ralphxyz
help me 11 3635 July 03, 2012
by Rick_S
Crystal Oscillator question 2 3140 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 4325 June 24, 2012
by Ralphxyz
HELP 3 2897 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 13411 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 3056 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 4762 June 17, 2012
by RogerFL
Programmable current source 6 4574 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 4452 June 11, 2012
by mongo
HELP 6 3224 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 3435 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 46669 May 24, 2012
by Ralphxyz
i need a code 8 3631 May 15, 2012
by pcbolt
Clock Accuracy 30 8056 May 14, 2012
by HexManiac
Relays and Controlling them 9 3512 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 3873 May 09, 2012
by RogerFL
Powering your NerdKit 7 3476 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 3414 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 6498 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 3851 April 24, 2012
by pcbolt
Programs will not run 6 3298 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 3913 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 3614 April 09, 2012
by Ralphxyz
Path Lights controller 2 3181 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 3310 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 3799 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 3479 April 01, 2012
by JamesFysh
Question on LCD screen 5 3387 March 30, 2012
by billtaichi
Is this Capaciator Good 4 3353 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 4577 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 4169 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 7752 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 3552 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 4328 March 15, 2012
by mongo
Digital servo issues! 9 3837 March 15, 2012
by Rick_S
Brushless motor control 16 4270 March 12, 2012
by hevans
Windows not detecting device 3 3198 March 10, 2012
by hevans
Voltage throught MCU 5 3158 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 18297 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 10353 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 17661 March 01, 2012
by hevans
Up and running... 3 2919 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 3514 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 3840 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 3175 February 24, 2012
by Rick_S
programming lcd trubs 7 3250 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 3920 February 18, 2012
by Rick_S
Oscilloscope 15 5070 February 18, 2012
by Osarus
How far away can a LM34 be? 16 9165 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 4454 February 14, 2012
by Ralphxyz
It's true, we forget... 18 3529 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 9135 February 09, 2012
by mongo
Data transmission 3 4105 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 3922 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 5285 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 3319 February 03, 2012
by BobaMosfet
connencting two ics to port 3 3012 January 31, 2012
by tchilzer2
H bridge questions 6 3693 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 3509 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 3785 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 4056 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 6948 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 3716 January 15, 2012
by Rick_S
Source of power? 19 3743 January 13, 2012
by mongo
symbol defined please? 4 3678 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 16389 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 3401 January 06, 2012
by boxvic
Basic LED circuit properties 8 3733 January 06, 2012
by boxvic
Getting Started 3 3277 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 4405 January 02, 2012
by bodangly
SMD reflow 16 4417 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 3473 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 4173 December 23, 2011
by BobaMosfet
Potentiometer 8 4561 December 23, 2011
by huzbum
Fun with Op-Amps 3 5176 December 22, 2011
by treymd
Do I need an H-Bridge? 14 4310 December 19, 2011
by n1cl3
Odessy of the minds 5 3699 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 3097 November 27, 2011
by sazD
Initial Load 2 3725 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 4168 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 5049 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 3762 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 8570 November 10, 2011
by jfbrink
Servo Squitter Project 13 3509 November 09, 2011
by Heed
how do i run a program 4 3102 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 3278 November 07, 2011
by Heed
Motor control question 2 3229 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 8197 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 3364 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 3342 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 90400 October 24, 2011
by glendon
Measuring Capacitance 9 4776 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 3508 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 4997 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 19398 October 16, 2011
by sask55
RxD / TxD Questions 10 6244 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 3555 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 3398 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 3603 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 3249 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 11518 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 4861 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 22745 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 11035 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 3103 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 6586 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 12111 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 7649 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 4143 September 01, 2011
by BobaMosfet
Dim LED 3 3123 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 3614 August 23, 2011
by Twarter369
Easy Transistor Question 4 4166 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 5777 August 18, 2011
by Ralphxyz
Building a coil?? 12 5801 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 3547 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 3175 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 2965 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 2982 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 22339 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 4318 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 3556 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 3416 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 3422 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 6039 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 3117 July 17, 2011
by codenamejupiterx
avr macpack 3 3452 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 3383 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 3456 July 13, 2011
by BobaMosfet
Battery clip wires 3 3090 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 2951 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 3225 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 3458 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 3798 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 22217 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 3390 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 3547 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 5443 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 3627 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 3698 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 3683 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 3881 June 06, 2011
by mja
A couple of questions 3 3259 June 06, 2011
by Ralphxyz
How much should I strip? 3 3341 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 3779 June 01, 2011
by hevans
Motor Control/MCU power bus 5 3269 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 3578 May 29, 2011
by Rick_S
Digital Input Question 4 3380 May 28, 2011
by frankdwest
PCB arrived 20 3309 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 3918 May 24, 2011
by gcharris
Calculating bypass capacitor 6 21642 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 3906 May 09, 2011
by Noter
IR current 6 3610 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 4386 May 04, 2011
by hariharan
Heat sensors 21 4581 May 04, 2011
by Hexorg
error 1 2 3157 May 02, 2011
by hevans
Transistor vs mosfet 13 11141 May 01, 2011
by Noter
PCB trace width calculator 3 4717 April 24, 2011
by esoderberg
OLED display 10 4272 April 23, 2011
by Rick_S
Power Supplies 17 4998 April 22, 2011
by BobBolinger
LCD & battery&USB 4 3243 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 3765 April 21, 2011
by Rick_S
ADC Theremin Help... 1 3155 April 20, 2011
by jasongillikin
RF and oscoliscope 2 4118 April 19, 2011
by mongo
Connecting to external control voltages 4 3350 April 19, 2011
by bretm
IR current question 7 3408 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 4070 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 4311 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 3663 April 10, 2011
by uml_12
Basic projects 3 3313 April 09, 2011
by mongo
REFLOW oven 22 6120 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 12680 April 07, 2011
by bretm
unexpected MCU rebooting 82 8123 April 05, 2011
by sask55
REFLOW Soldering 3 4082 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 3595 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 5810 March 30, 2011
by bretm
Black Display on LCD 6 3604 March 28, 2011
by Druidman
32kHz clock 2 3318 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 9930 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 9873 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 5329 March 16, 2011
by mongo
LCD problem 3 3681 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 4180 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 4370 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 3397 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 6620 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 4289 February 26, 2011
by amartinez
Why does my led light without the battery? 2 4239 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 11105 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 7485 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 4829 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 8163 February 19, 2011
by Lusitania
My first Impression 6 3601 February 16, 2011
by devinsbusiness
Understanding battery life 3 4877 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 4623 February 13, 2011
by sask55
Using Devices With Different Voltages 11 4213 February 05, 2011
by BobaMosfet
High voltage lines 26 6169 February 02, 2011
by mongo
USB 3 3373 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 4264 February 02, 2011
by Jalex
Alternating LED circuit 4 4143 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 5390 January 31, 2011
by il1019
Affordable oscilloscopes 43 13140 January 27, 2011
by BStory
"And"gate unfinished thought 2 3258 January 27, 2011
by Hexorg
replace MCU? 30 8198 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 3981 January 25, 2011
by Ralphxyz
Multimeter! 12 6113 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 4816 January 25, 2011
by Jalex
My LED Cube so far 25 9558 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 4706 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 4127 January 18, 2011
by dgikuljot
Counting 5 3219 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 7767 January 17, 2011
by bretm
Programming 5 4041 January 14, 2011
by Ralphxyz
Induction loop actuator 7 4356 January 11, 2011
by Yourself
Begining 7 4343 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 4856 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 4198 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 3475 January 09, 2011
by mrobbins
UART operating at 3.3V 1 3904 January 06, 2011
by Mujda
Data input voltage 6 4100 January 03, 2011
by Rick_S
MOSFET Question 7 4132 December 31, 2010
by Keyster
Transistor as a switch 5 4038 December 29, 2010
by Hexorg
Resistors 5 4510 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 9195 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 4369 December 28, 2010
by BobaMosfet
Relay ratings 2 3811 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 18646 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 3511 December 17, 2010
by mongo
Power Rectifier 7 4035 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 6029 December 14, 2010
by danuke
This a decent oscilloscope? 8 4050 December 14, 2010
by danuke
Do resistors in series really add up? 8 5225 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 4789 December 09, 2010
by bretm
L293 H-Bridge 15 5325 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 5530 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 5519 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 4654 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 5250 November 24, 2010
by BobaMosfet
Op-amp not working 6 5517 November 24, 2010
by BobaMosfet
Python questions 4 4583 November 21, 2010
by tkopriva
CE Amp design 5 4057 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 3991 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 3826 November 05, 2010
by Mujda
PC4 not working?! 8 3502 November 04, 2010
by hapshetsut
Amplifiers 4 3739 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 4565 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 4588 October 04, 2010
by Scythium
radio interference from NerdKit 11 3640 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 8339 September 14, 2010
by Ralphxyz
solar project with light sensors 7 4167 September 11, 2010
by akajester
QFP and dreadboard 2 4022 September 02, 2010
by bretm
Getting power to the spinning part... 5 4087 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 11379 August 30, 2010
by Ralphxyz
morse code decoder 2 4235 August 26, 2010
by jonathan_m
Connecting to Computer 3 4096 August 25, 2010
by awesome
555 astable on breadboard 12 5633 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 3738 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 4188 August 19, 2010
by hevans
mosfet 3 3564 August 13, 2010
by hevans
Good material on learning electronics. 8 4483 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 3421 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 5691 August 02, 2010
by mrobbins
More batteries = more voltage? 3 5211 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 8373 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 5607 July 02, 2010
by mongo
Electro Cardio Gram 4 4477 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 3513 June 12, 2010
by Wobbler
Voltage Regulator 20 5013 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 4728 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 5344 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 5034 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 4167 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 3461 June 06, 2010
by Kafke
TSSOP IC! 4 4160 June 03, 2010
by mrobbins
AVcc 2 4438 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 3600 May 31, 2010
by hevans
Cable Driver 2 3390 May 31, 2010
by mongo
Best 9V adapter to use 2 3739 May 28, 2010
by mongo
Unidirectional microphones 5 4059 May 27, 2010
by mongo
Servo question 3 3585 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 4155 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 4077 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 5587 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 9731 May 21, 2010
by hevans
Chinese Solenoid 15 3979 May 10, 2010
by treymd
avrisp mkii circuit 4 5239 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 3606 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 8541 May 07, 2010
by rajabalu21
Simple Power Switch 6 3716 May 05, 2010
by avicell
I can haz speed! 3 4000 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 5454 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 4362 April 21, 2010
by bretm
Help with choosing the right resistor 10 5351 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 9141 April 15, 2010
by bretm
Resistor 4 3368 April 15, 2010
by mongo
MCU digital input pins 3 3533 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 3784 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 9675 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 5828 March 28, 2010
by carlhako
Laptop ground safety question 3 3916 March 27, 2010
by ese
LM34 R-C Damper 5 5269 March 24, 2010
by BobaMosfet
NerdKits & USB 5 4186 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 3511 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 5481 March 23, 2010
by ese
constant system reset 3 3389 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 4085 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 4958 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 4457 March 17, 2010
by Frozenlock
What is -VS? 6 7048 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 5361 March 04, 2010
by treymd
Using MCU to connect two wires 3 4242 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 8540 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 3763 March 02, 2010
by Solorbob
Deciphering power resistors 11 4131 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 3536 March 01, 2010
by nrotstan
Understanding LEDs 16 6369 March 01, 2010
by michaeldallas
What's the part I need? 5 3643 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 10510 February 23, 2010
by rajabalu21
Too much power? 14 4463 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 5042 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 4793 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 12010 February 18, 2010
by Rick_S
Serial port interface circuit 2 4579 February 17, 2010
by mongo
OBDII project 3 3688 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 6971 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 6164 February 13, 2010
by BobaMosfet
Digital pots 5 3960 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 4084 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 5094 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 5565 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 6435 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 4401 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 6079 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 9566 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 4853 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 4056 December 27, 2009
by jgauthier
Servo Signal Noise 2 3535 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 6643 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 10302 December 10, 2009
by georgio
Relays and transistors 12 8251 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 8112 December 09, 2009
by Rick_S
IR Detector 7 7369 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 4634 November 19, 2009
by mikedoug
Debug with lcd 6 4616 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 4168 November 15, 2009
by tech20
Understanding output pin characteristics 4 3931 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 5769 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 4170 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 46260 October 30, 2009
by BobaMosfet
DIY header unit 2 4474 October 10, 2009
by rusirius
Thermostat Logging 6 5904 October 09, 2009
by luke
Understanding transistors 6 5752 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 9507 October 07, 2009
by mikedoug
Currant booster 3 3563 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 4664 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 12001 August 27, 2009
by hevans
Which LED? 14 4332 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 5224 August 07, 2009
by mongo
pull up, pull down resistors 7 16521 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 10335 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 6317 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 5902 July 07, 2009
by sector0
Reset switch for circuit 3 4214 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 30638 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 5220 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 4173 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 4276 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 4832 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 4082 May 06, 2009
by paulip

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