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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8107 July 27, 2019
by BobaMosfet
mosfet control during start up 5 7737 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6503 April 12, 2016
by Ralphxyz
USBasp Help! 3 5407 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 7554 May 04, 2015
by mongo
Need to replace Wall Watt 16 4875 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4611 April 10, 2015
by Noter
My new 3D Printer 44 20155 April 07, 2015
by Rick_S
AtMega 644 2 4653 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 3779 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4303 June 02, 2014
by JKITSON
Automated programming mode? 9 4679 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4312 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4214 January 28, 2014
by lailai
What kind of error is this? 4 4186 January 23, 2014
by Noter
How to double a DC voltage? 20 11436 January 12, 2014
by JKITSON
Is the code the driver? 2 3864 January 12, 2014
by Ralphxyz
Miniature headers 6 4283 January 01, 2014
by Ralphxyz
BLDC 8 4284 December 23, 2013
by esoderberg
I need help finding a terminal. 17 4763 November 26, 2013
by Rick_S
GLCD SPI problems 14 8128 November 10, 2013
by andyi
Moving on... 7 4148 November 08, 2013
by Pr0ject
Power supply questions 4 5541 October 31, 2013
by sask55
OLED 4 3845 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 15610 September 22, 2013
by sask55
Opto Interrupter once again 14 8362 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4266 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11124 September 02, 2013
by Ralphxyz
USB cable specifications 7 5613 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 4719 August 27, 2013
by Affarram
XMEGA Breakout 8 5090 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 3855 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4523 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4575 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 10607 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15244 June 18, 2013
by Noter
Two Wrongs Make it Right 3 3803 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4453 April 08, 2013
by pcbolt
Using diode to drop voltage 12 65267 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3684 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4117 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8219 March 14, 2013
by mongo
Current vs Voltage 8 5157 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 4866 March 09, 2013
by lnino
Electric current 2 3610 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6620 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9154 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 8597 February 28, 2013
by BobaMosfet
Control electronic door opener 15 4704 February 24, 2013
by lnino
Relay Question 27 7927 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7574 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5126 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5070 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 4730 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4322 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 4952 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4270 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5170 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 3749 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 3823 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4350 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 9630 November 18, 2012
by carlhako
SPI slave clock 6 4515 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 3920 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 30095 October 23, 2012
by Noter
NPN circuit connection quandry 4 4500 September 24, 2012
by edb
Simple I/O circuit 4 4162 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 3914 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3614 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6267 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4184 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6457 September 13, 2012
by dan_engbers
Electronics simulation 8 4804 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 6872 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4077 August 20, 2012
by rblalock
louder sound 2 3831 August 18, 2012
by mongo
connector or cable for LCD display? 4 3984 August 13, 2012
by missle3944
Powering L.E.Ds 5 4176 August 09, 2012
by BobaMosfet
Wires in U.K 5 4665 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4573 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7456 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7183 July 25, 2012
by bretm
Stepper Motor Direction Control 12 4961 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22405 July 21, 2012
by lnino
um help 6 3741 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4692 July 18, 2012
by Ralphxyz
help me 11 4538 July 03, 2012
by Rick_S
Crystal Oscillator question 2 3949 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5199 June 24, 2012
by Ralphxyz
HELP 3 3725 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14537 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 3828 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5673 June 17, 2012
by RogerFL
Programmable current source 6 5626 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5327 June 11, 2012
by mongo
HELP 6 4023 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4355 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 49564 May 24, 2012
by Ralphxyz
i need a code 8 4440 May 15, 2012
by pcbolt
Clock Accuracy 30 9047 May 14, 2012
by HexManiac
Relays and Controlling them 9 4379 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4656 May 09, 2012
by RogerFL
Powering your NerdKit 7 4267 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4232 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7454 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4695 April 24, 2012
by pcbolt
Programs will not run 6 4099 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 4793 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4466 April 09, 2012
by Ralphxyz
Path Lights controller 2 4003 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4129 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4647 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4249 April 01, 2012
by JamesFysh
Question on LCD screen 5 4252 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4195 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5470 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5091 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 8791 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4338 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5438 March 15, 2012
by mongo
Digital servo issues! 9 4808 March 15, 2012
by Rick_S
Brushless motor control 16 5191 March 12, 2012
by hevans
Windows not detecting device 3 3999 March 10, 2012
by hevans
Voltage throught MCU 5 3956 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 19637 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11436 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 20457 March 01, 2012
by hevans
Up and running... 3 3758 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4434 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 4738 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4016 February 24, 2012
by Rick_S
programming lcd trubs 7 4054 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 4800 February 18, 2012
by Rick_S
Oscilloscope 15 6055 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10362 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5243 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4411 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 10756 February 09, 2012
by mongo
Data transmission 3 5006 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 4792 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6242 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4204 February 03, 2012
by BobaMosfet
connencting two ics to port 3 3856 January 31, 2012
by tchilzer2
H bridge questions 6 4526 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4357 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 4710 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 4950 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8053 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4623 January 15, 2012
by Rick_S
Source of power? 19 4677 January 13, 2012
by mongo
symbol defined please? 4 4496 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 17496 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4280 January 06, 2012
by boxvic
Basic LED circuit properties 8 4587 January 06, 2012
by boxvic
Getting Started 3 4086 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5250 January 02, 2012
by bodangly
SMD reflow 16 5333 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4255 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5018 December 23, 2011
by BobaMosfet
Potentiometer 8 5767 December 23, 2011
by huzbum
Fun with Op-Amps 3 6136 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5210 December 19, 2011
by n1cl3
Odessy of the minds 5 4505 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 3892 November 27, 2011
by sazD
Initial Load 2 4579 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5128 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 5961 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4635 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 9660 November 10, 2011
by jfbrink
Servo Squitter Project 13 4342 November 09, 2011
by Heed
how do i run a program 4 3934 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4180 November 07, 2011
by Heed
Motor control question 2 3995 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9478 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4187 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4126 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 95310 October 24, 2011
by glendon
Measuring Capacitance 9 5652 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4264 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 5991 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 22189 October 16, 2011
by sask55
RxD / TxD Questions 10 7307 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4353 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4248 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4469 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4035 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13014 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5671 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24012 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 12651 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 3953 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7506 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13365 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8609 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5082 September 01, 2011
by BobaMosfet
Dim LED 3 3924 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4434 August 23, 2011
by Twarter369
Easy Transistor Question 4 5050 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 6765 August 18, 2011
by Ralphxyz
Building a coil?? 12 6747 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4357 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4017 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 3830 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 3776 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 23640 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5113 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4521 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4211 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4265 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7058 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 3887 July 17, 2011
by codenamejupiterx
avr macpack 3 4304 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4204 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4299 July 13, 2011
by BobaMosfet
Battery clip wires 3 3880 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3725 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4057 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4272 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4650 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 24805 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4239 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4454 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6476 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4459 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4513 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4462 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 4912 June 06, 2011
by mja
A couple of questions 3 4122 June 06, 2011
by Ralphxyz
How much should I strip? 3 4213 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4666 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4106 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4413 May 29, 2011
by Rick_S
Digital Input Question 4 4183 May 28, 2011
by frankdwest
PCB arrived 20 4099 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 4753 May 24, 2011
by gcharris
Calculating bypass capacitor 6 23548 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 4682 May 09, 2011
by Noter
IR current 6 4473 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5156 May 04, 2011
by hariharan
Heat sensors 21 5488 May 04, 2011
by Hexorg
error 1 2 3965 May 02, 2011
by hevans
Transistor vs mosfet 13 12100 May 01, 2011
by Noter
PCB trace width calculator 3 5573 April 24, 2011
by esoderberg
OLED display 10 5269 April 23, 2011
by Rick_S
Power Supplies 17 5861 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4016 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4687 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4029 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5110 April 19, 2011
by mongo
Connecting to external control voltages 4 4110 April 19, 2011
by bretm
IR current question 7 4173 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 4987 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5159 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4486 April 10, 2011
by uml_12
Basic projects 3 4143 April 09, 2011
by mongo
REFLOW oven 22 7078 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14135 April 07, 2011
by bretm
unexpected MCU rebooting 82 9052 April 05, 2011
by sask55
REFLOW Soldering 3 4988 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4408 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 6764 March 30, 2011
by bretm
Black Display on LCD 6 4392 March 28, 2011
by Druidman
32kHz clock 2 4073 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11185 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 11543 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6259 March 16, 2011
by mongo
LCD problem 3 4473 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5046 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5161 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4181 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 7711 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5109 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5033 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12076 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 8627 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5691 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9178 February 19, 2011
by Lusitania
My first Impression 6 4571 February 16, 2011
by devinsbusiness
Understanding battery life 3 5822 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5451 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5088 February 05, 2011
by BobaMosfet
High voltage lines 26 7148 February 02, 2011
by mongo
USB 3 4160 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5161 February 02, 2011
by Jalex
Alternating LED circuit 4 5055 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6364 January 31, 2011
by il1019
Affordable oscilloscopes 43 14186 January 27, 2011
by BStory
"And"gate unfinished thought 2 4250 January 27, 2011
by Hexorg
replace MCU? 30 9219 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 4816 January 25, 2011
by Ralphxyz
Multimeter! 12 7048 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 5730 January 25, 2011
by Jalex
My LED Cube so far 25 10500 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5582 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5006 January 18, 2011
by dgikuljot
Counting 5 4207 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 8685 January 17, 2011
by bretm
Programming 5 5012 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5266 January 11, 2011
by Yourself
Begining 7 5337 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 5736 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5087 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4358 January 09, 2011
by mrobbins
UART operating at 3.3V 1 4909 January 06, 2011
by Mujda
Data input voltage 6 4925 January 03, 2011
by Rick_S
MOSFET Question 7 5081 December 31, 2010
by Keyster
Transistor as a switch 5 5065 December 29, 2010
by Hexorg
Resistors 5 5389 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10270 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5305 December 28, 2010
by BobaMosfet
Relay ratings 2 4655 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 19819 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4500 December 17, 2010
by mongo
Power Rectifier 7 4884 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 6972 December 14, 2010
by danuke
This a decent oscilloscope? 8 4870 December 14, 2010
by danuke
Do resistors in series really add up? 8 6217 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5672 December 09, 2010
by bretm
L293 H-Bridge 15 6308 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6525 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 6668 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5572 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6163 November 24, 2010
by BobaMosfet
Op-amp not working 6 6441 November 24, 2010
by BobaMosfet
Python questions 4 5415 November 21, 2010
by tkopriva
CE Amp design 5 4917 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 4819 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4706 November 05, 2010
by Mujda
PC4 not working?! 8 4498 November 04, 2010
by hapshetsut
Amplifiers 4 4559 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5396 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5459 October 04, 2010
by Scythium
radio interference from NerdKit 11 4586 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9206 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5092 September 11, 2010
by akajester
QFP and dreadboard 2 4992 September 02, 2010
by bretm
Getting power to the spinning part... 5 4890 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 12632 August 30, 2010
by Ralphxyz
morse code decoder 2 5009 August 26, 2010
by jonathan_m
Connecting to Computer 3 4937 August 25, 2010
by awesome
555 astable on breadboard 12 6454 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4577 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5021 August 19, 2010
by hevans
mosfet 3 4354 August 13, 2010
by hevans
Good material on learning electronics. 8 5336 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4235 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 6806 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6101 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9399 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6616 July 02, 2010
by mongo
Electro Cardio Gram 4 5446 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4316 June 12, 2010
by Wobbler
Voltage Regulator 20 5976 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5530 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6177 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 5856 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5053 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4301 June 06, 2010
by Kafke
TSSOP IC! 4 5032 June 03, 2010
by mrobbins
AVcc 2 5298 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4484 May 31, 2010
by hevans
Cable Driver 2 4201 May 31, 2010
by mongo
Best 9V adapter to use 2 4554 May 28, 2010
by mongo
Unidirectional microphones 5 4846 May 27, 2010
by mongo
Servo question 3 4348 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 4999 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 4881 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6521 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11286 May 21, 2010
by hevans
Chinese Solenoid 15 4810 May 10, 2010
by treymd
avrisp mkii circuit 4 6072 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4415 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 9590 May 07, 2010
by rajabalu21
Simple Power Switch 6 4501 May 05, 2010
by avicell
I can haz speed! 3 4843 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6334 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5164 April 21, 2010
by bretm
Help with choosing the right resistor 10 6264 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 10793 April 15, 2010
by bretm
Resistor 4 4214 April 15, 2010
by mongo
MCU digital input pins 3 4380 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4655 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10556 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6636 March 28, 2010
by carlhako
Laptop ground safety question 3 4695 March 27, 2010
by ese
LM34 R-C Damper 5 6229 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5027 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4280 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6328 March 23, 2010
by ese
constant system reset 3 4226 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 4972 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 5998 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5318 March 17, 2010
by Frozenlock
What is -VS? 6 8304 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6155 March 04, 2010
by treymd
Using MCU to connect two wires 3 5140 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 9747 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4575 March 02, 2010
by Solorbob
Deciphering power resistors 11 5003 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4330 March 01, 2010
by nrotstan
Understanding LEDs 16 7480 March 01, 2010
by michaeldallas
What's the part I need? 5 4481 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11500 February 23, 2010
by rajabalu21
Too much power? 14 5269 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 5921 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 5827 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13212 February 18, 2010
by Rick_S
Serial port interface circuit 2 5439 February 17, 2010
by mongo
OBDII project 3 4488 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 7991 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7168 February 13, 2010
by BobaMosfet
Digital pots 5 4715 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 4980 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 5892 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7213 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7420 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5294 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 6943 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 10730 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5639 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 4872 December 27, 2009
by jgauthier
Servo Signal Noise 2 4388 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 7702 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11195 December 10, 2009
by georgio
Relays and transistors 12 9198 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9266 December 09, 2009
by Rick_S
IR Detector 7 8655 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5456 November 19, 2009
by mikedoug
Debug with lcd 6 5419 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 4936 November 15, 2009
by tech20
Understanding output pin characteristics 4 4764 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 6656 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5043 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 48366 October 30, 2009
by BobaMosfet
DIY header unit 2 5288 October 10, 2009
by rusirius
Thermostat Logging 6 6891 October 09, 2009
by luke
Understanding transistors 6 6637 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10497 October 07, 2009
by mikedoug
Currant booster 3 4411 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5415 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13318 August 27, 2009
by hevans
Which LED? 14 5186 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6136 August 07, 2009
by mongo
pull up, pull down resistors 7 17574 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11417 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7312 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 6777 July 07, 2009
by sector0
Reset switch for circuit 3 5085 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31729 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6191 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 4963 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5101 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5611 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 4940 May 06, 2009
by paulip

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