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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 6219 July 27, 2019
by BobaMosfet
mosfet control during start up 5 7088 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 5858 April 12, 2016
by Ralphxyz
USBasp Help! 3 4788 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 6808 May 04, 2015
by mongo
Need to replace Wall Watt 16 4253 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4057 April 10, 2015
by Noter
My new 3D Printer 44 19442 April 07, 2015
by Rick_S
AtMega 644 2 4164 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 3288 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 3758 June 02, 2014
by JKITSON
Automated programming mode? 9 4167 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 3773 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 3652 January 28, 2014
by lailai
What kind of error is this? 4 3678 January 23, 2014
by Noter
How to double a DC voltage? 20 10731 January 12, 2014
by JKITSON
Is the code the driver? 2 3359 January 12, 2014
by Ralphxyz
Miniature headers 6 3805 January 01, 2014
by Ralphxyz
BLDC 8 3748 December 23, 2013
by esoderberg
I need help finding a terminal. 17 4189 November 26, 2013
by Rick_S
GLCD SPI problems 14 7570 November 10, 2013
by andyi
Moving on... 7 3666 November 08, 2013
by Pr0ject
Power supply questions 4 4981 October 31, 2013
by sask55
OLED 4 3357 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 14628 September 22, 2013
by sask55
Opto Interrupter once again 14 7748 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 3758 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 10520 September 02, 2013
by Ralphxyz
USB cable specifications 7 4886 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 4133 August 27, 2013
by Affarram
XMEGA Breakout 8 4546 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 3341 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 3978 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4020 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 9749 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 14467 June 18, 2013
by Noter
Two Wrongs Make it Right 3 3303 May 22, 2013
by meltbox360
accurate time for a real time clock 5 3798 April 08, 2013
by pcbolt
Using diode to drop voltage 12 63844 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3237 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 3536 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 7415 March 14, 2013
by mongo
Current vs Voltage 8 4417 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 4344 March 09, 2013
by lnino
Electric current 2 3131 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6114 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 8465 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 7730 February 28, 2013
by BobaMosfet
Control electronic door opener 15 4172 February 24, 2013
by lnino
Relay Question 27 7331 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7021 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 4607 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 4508 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 4206 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 3774 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 4312 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 3769 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 4564 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 3287 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 3336 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 3859 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 9043 November 18, 2012
by carlhako
SPI slave clock 6 3983 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 3459 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 27997 October 23, 2012
by Noter
NPN circuit connection quandry 4 4044 September 24, 2012
by edb
Simple I/O circuit 4 3651 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 3441 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3130 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 5565 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 3690 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 5938 September 13, 2012
by dan_engbers
Electronics simulation 8 4282 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 6310 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 3579 August 20, 2012
by rblalock
louder sound 2 3366 August 18, 2012
by mongo
connector or cable for LCD display? 4 3550 August 13, 2012
by missle3944
Powering L.E.Ds 5 3659 August 09, 2012
by BobaMosfet
Wires in U.K 5 4207 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4093 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 6749 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 6619 July 25, 2012
by bretm
Stepper Motor Direction Control 12 4435 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 21773 July 21, 2012
by lnino
um help 6 3376 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4207 July 18, 2012
by Ralphxyz
help me 11 3987 July 03, 2012
by Rick_S
Crystal Oscillator question 2 3471 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 4703 June 24, 2012
by Ralphxyz
HELP 3 3258 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 13848 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 3383 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5188 June 17, 2012
by RogerFL
Programmable current source 6 4990 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 4801 June 11, 2012
by mongo
HELP 6 3561 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 3774 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 48215 May 24, 2012
by Ralphxyz
i need a code 8 3961 May 15, 2012
by pcbolt
Clock Accuracy 30 8477 May 14, 2012
by HexManiac
Relays and Controlling them 9 3889 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4188 May 09, 2012
by RogerFL
Powering your NerdKit 7 3807 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 3719 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 6898 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4239 April 24, 2012
by pcbolt
Programs will not run 6 3616 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 4287 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4014 April 09, 2012
by Ralphxyz
Path Lights controller 2 3512 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 3631 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4145 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 3806 April 01, 2012
by JamesFysh
Question on LCD screen 5 3748 March 30, 2012
by billtaichi
Is this Capaciator Good 4 3713 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 4935 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 4554 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 8226 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 3889 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 4876 March 15, 2012
by mongo
Digital servo issues! 9 4312 March 15, 2012
by Rick_S
Brushless motor control 16 4727 March 12, 2012
by hevans
Windows not detecting device 3 3525 March 10, 2012
by hevans
Voltage throught MCU 5 3483 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 18821 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 10765 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 19130 March 01, 2012
by hevans
Up and running... 3 3249 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 3873 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 4217 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 3515 February 24, 2012
by Rick_S
programming lcd trubs 7 3572 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 4270 February 18, 2012
by Rick_S
Oscilloscope 15 5447 February 18, 2012
by Osarus
How far away can a LM34 be? 16 9658 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 4761 February 14, 2012
by Ralphxyz
It's true, we forget... 18 3919 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 9927 February 09, 2012
by mongo
Data transmission 3 4550 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 4286 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 5746 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 3704 February 03, 2012
by BobaMosfet
connencting two ics to port 3 3366 January 31, 2012
by tchilzer2
H bridge questions 6 4039 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 3856 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 4176 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 4408 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 7526 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4129 January 15, 2012
by Rick_S
Source of power? 19 4136 January 13, 2012
by mongo
symbol defined please? 4 4025 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 16870 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 3789 January 06, 2012
by boxvic
Basic LED circuit properties 8 4092 January 06, 2012
by boxvic
Getting Started 3 3610 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 4749 January 02, 2012
by bodangly
SMD reflow 16 4782 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 3794 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 4527 December 23, 2011
by BobaMosfet
Potentiometer 8 5078 December 23, 2011
by huzbum
Fun with Op-Amps 3 5587 December 22, 2011
by treymd
Do I need an H-Bridge? 14 4700 December 19, 2011
by n1cl3
Odessy of the minds 5 4019 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 3434 November 27, 2011
by sazD
Initial Load 2 4053 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 4564 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 5458 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4099 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 9026 November 10, 2011
by jfbrink
Servo Squitter Project 13 3845 November 09, 2011
by Heed
how do i run a program 4 3432 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 3637 November 07, 2011
by Heed
Motor control question 2 3557 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 8799 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 3678 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 3695 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 93343 October 24, 2011
by glendon
Measuring Capacitance 9 5149 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 3814 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 5425 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 21166 October 16, 2011
by sask55
RxD / TxD Questions 10 6686 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 3878 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 3749 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 3982 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 3570 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 12242 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5211 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 23346 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 11871 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 3427 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 6976 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 12730 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8063 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 4572 September 01, 2011
by BobaMosfet
Dim LED 3 3442 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 3925 August 23, 2011
by Twarter369
Easy Transistor Question 4 4527 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 6176 August 18, 2011
by Ralphxyz
Building a coil?? 12 6165 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 3870 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 3544 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 3319 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 3300 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 22913 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 4672 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 3998 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 3741 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 3749 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 6507 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 3444 July 17, 2011
by codenamejupiterx
avr macpack 3 3807 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 3719 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 3798 July 13, 2011
by BobaMosfet
Battery clip wires 3 3415 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3277 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 3579 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 3785 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4165 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 23744 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 3743 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 3964 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 5885 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 3975 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4022 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4010 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 4324 June 06, 2011
by mja
A couple of questions 3 3597 June 06, 2011
by Ralphxyz
How much should I strip? 3 3736 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4139 June 01, 2011
by hevans
Motor Control/MCU power bus 5 3609 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 3893 May 29, 2011
by Rick_S
Digital Input Question 4 3717 May 28, 2011
by frankdwest
PCB arrived 20 3625 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 4239 May 24, 2011
by gcharris
Calculating bypass capacitor 6 22692 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 4228 May 09, 2011
by Noter
IR current 6 3950 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 4708 May 04, 2011
by hariharan
Heat sensors 21 4936 May 04, 2011
by Hexorg
error 1 2 3491 May 02, 2011
by hevans
Transistor vs mosfet 13 11541 May 01, 2011
by Noter
PCB trace width calculator 3 5057 April 24, 2011
by esoderberg
OLED display 10 4783 April 23, 2011
by Rick_S
Power Supplies 17 5345 April 22, 2011
by BobBolinger
LCD & battery&USB 4 3565 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4148 April 21, 2011
by Rick_S
ADC Theremin Help... 1 3486 April 20, 2011
by jasongillikin
RF and oscoliscope 2 4501 April 19, 2011
by mongo
Connecting to external control voltages 4 3663 April 19, 2011
by bretm
IR current question 7 3730 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 4477 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 4670 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 3980 April 10, 2011
by uml_12
Basic projects 3 3637 April 09, 2011
by mongo
REFLOW oven 22 6521 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 13292 April 07, 2011
by bretm
unexpected MCU rebooting 82 8491 April 05, 2011
by sask55
REFLOW Soldering 3 4448 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 3907 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 6217 March 30, 2011
by bretm
Black Display on LCD 6 3938 March 28, 2011
by Druidman
32kHz clock 2 3636 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 10579 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 10743 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 5716 March 16, 2011
by mongo
LCD problem 3 4021 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 4549 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 4707 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 3709 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 7139 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 4624 February 26, 2011
by amartinez
Why does my led light without the battery? 2 4571 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 11592 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 7957 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5172 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 8577 February 19, 2011
by Lusitania
My first Impression 6 3948 February 16, 2011
by devinsbusiness
Understanding battery life 3 5240 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 4962 February 13, 2011
by sask55
Using Devices With Different Voltages 11 4558 February 05, 2011
by BobaMosfet
High voltage lines 26 6533 February 02, 2011
by mongo
USB 3 3696 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 4643 February 02, 2011
by Jalex
Alternating LED circuit 4 4477 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 5743 January 31, 2011
by il1019
Affordable oscilloscopes 43 13530 January 27, 2011
by BStory
"And"gate unfinished thought 2 3610 January 27, 2011
by Hexorg
replace MCU? 30 8591 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 4324 January 25, 2011
by Ralphxyz
Multimeter! 12 6521 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 5184 January 25, 2011
by Jalex
My LED Cube so far 25 9987 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5086 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 4527 January 18, 2011
by dgikuljot
Counting 5 3559 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 8144 January 17, 2011
by bretm
Programming 5 4375 January 14, 2011
by Ralphxyz
Induction loop actuator 7 4734 January 11, 2011
by Yourself
Begining 7 4814 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 5189 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 4578 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 3831 January 09, 2011
by mrobbins
UART operating at 3.3V 1 4267 January 06, 2011
by Mujda
Data input voltage 6 4444 January 03, 2011
by Rick_S
MOSFET Question 7 4469 December 31, 2010
by Keyster
Transistor as a switch 5 4401 December 29, 2010
by Hexorg
Resistors 5 4854 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 9651 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 4782 December 28, 2010
by BobaMosfet
Relay ratings 2 4159 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 19139 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 3843 December 17, 2010
by mongo
Power Rectifier 7 4373 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 6396 December 14, 2010
by danuke
This a decent oscilloscope? 8 4363 December 14, 2010
by danuke
Do resistors in series really add up? 8 5622 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5165 December 09, 2010
by bretm
L293 H-Bridge 15 5749 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 5980 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 5920 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5012 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 5634 November 24, 2010
by BobaMosfet
Op-amp not working 6 5878 November 24, 2010
by BobaMosfet
Python questions 4 4921 November 21, 2010
by tkopriva
CE Amp design 5 4430 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 4341 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4192 November 05, 2010
by Mujda
PC4 not working?! 8 3847 November 04, 2010
by hapshetsut
Amplifiers 4 4076 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 4920 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 4960 October 04, 2010
by Scythium
radio interference from NerdKit 11 3998 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 8724 September 14, 2010
by Ralphxyz
solar project with light sensors 7 4549 September 11, 2010
by akajester
QFP and dreadboard 2 4375 September 02, 2010
by bretm
Getting power to the spinning part... 5 4397 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 12014 August 30, 2010
by Ralphxyz
morse code decoder 2 4550 August 26, 2010
by jonathan_m
Connecting to Computer 3 4448 August 25, 2010
by awesome
555 astable on breadboard 12 5971 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4079 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 4535 August 19, 2010
by hevans
mosfet 3 3881 August 13, 2010
by hevans
Good material on learning electronics. 8 4847 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 3758 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 6205 August 02, 2010
by mrobbins
More batteries = more voltage? 3 5574 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 8789 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6068 July 02, 2010
by mongo
Electro Cardio Gram 4 4875 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 3829 June 12, 2010
by Wobbler
Voltage Regulator 20 5354 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5043 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 5699 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 5373 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 4485 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 3772 June 06, 2010
by Kafke
TSSOP IC! 4 4546 June 03, 2010
by mrobbins
AVcc 2 4777 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 3933 May 31, 2010
by hevans
Cable Driver 2 3726 May 31, 2010
by mongo
Best 9V adapter to use 2 4060 May 28, 2010
by mongo
Unidirectional microphones 5 4384 May 27, 2010
by mongo
Servo question 3 3905 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 4491 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 4402 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 5978 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 10392 May 21, 2010
by hevans
Chinese Solenoid 15 4310 May 10, 2010
by treymd
avrisp mkii circuit 4 5557 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 3915 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 8948 May 07, 2010
by rajabalu21
Simple Power Switch 6 4032 May 05, 2010
by avicell
I can haz speed! 3 4355 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 5789 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 4661 April 21, 2010
by bretm
Help with choosing the right resistor 10 5706 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 10068 April 15, 2010
by bretm
Resistor 4 3706 April 15, 2010
by mongo
MCU digital input pins 3 3916 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4137 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10051 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6186 March 28, 2010
by carlhako
Laptop ground safety question 3 4236 March 27, 2010
by ese
LM34 R-C Damper 5 5721 March 24, 2010
by BobaMosfet
NerdKits & USB 5 4553 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 3826 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 5831 March 23, 2010
by ese
constant system reset 3 3719 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 4450 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 5361 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 4846 March 17, 2010
by Frozenlock
What is -VS? 6 7549 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 5695 March 04, 2010
by treymd
Using MCU to connect two wires 3 4645 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 9076 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4126 March 02, 2010
by Solorbob
Deciphering power resistors 11 4486 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 3872 March 01, 2010
by nrotstan
Understanding LEDs 16 6913 March 01, 2010
by michaeldallas
What's the part I need? 5 3968 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 10891 February 23, 2010
by rajabalu21
Too much power? 14 4758 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 5352 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 5188 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 12448 February 18, 2010
by Rick_S
Serial port interface circuit 2 4945 February 17, 2010
by mongo
OBDII project 3 3999 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 7365 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 6543 February 13, 2010
by BobaMosfet
Digital pots 5 4268 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 4401 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 5418 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 6155 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 6821 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 4735 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 6412 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 10102 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5164 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 4396 December 27, 2009
by jgauthier
Servo Signal Noise 2 3880 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 7196 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 10663 December 10, 2009
by georgio
Relays and transistors 12 8657 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 8707 December 09, 2009
by Rick_S
IR Detector 7 8019 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 4962 November 19, 2009
by mikedoug
Debug with lcd 6 4929 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 4486 November 15, 2009
by tech20
Understanding output pin characteristics 4 4269 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 6137 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 4487 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 47330 October 30, 2009
by BobaMosfet
DIY header unit 2 4795 October 10, 2009
by rusirius
Thermostat Logging 6 6308 October 09, 2009
by luke
Understanding transistors 6 6109 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 9918 October 07, 2009
by mikedoug
Currant booster 3 3891 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 4985 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 12663 August 27, 2009
by hevans
Which LED? 14 4667 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 5599 August 07, 2009
by mongo
pull up, pull down resistors 7 17030 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 10811 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 6703 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 6255 July 07, 2009
by sector0
Reset switch for circuit 3 4523 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31196 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 5637 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 4490 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 4602 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5165 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 4442 May 06, 2009
by paulip

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