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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 7911 July 27, 2019
by BobaMosfet
mosfet control during start up 5 7632 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6403 April 12, 2016
by Ralphxyz
USBasp Help! 3 5295 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 7421 May 04, 2015
by mongo
Need to replace Wall Watt 16 4765 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4487 April 10, 2015
by Noter
My new 3D Printer 44 20042 April 07, 2015
by Rick_S
AtMega 644 2 4551 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 3677 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4196 June 02, 2014
by JKITSON
Automated programming mode? 9 4573 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4215 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4094 January 28, 2014
by lailai
What kind of error is this? 4 4074 January 23, 2014
by Noter
How to double a DC voltage? 20 11340 January 12, 2014
by JKITSON
Is the code the driver? 2 3751 January 12, 2014
by Ralphxyz
Miniature headers 6 4175 January 01, 2014
by Ralphxyz
BLDC 8 4186 December 23, 2013
by esoderberg
I need help finding a terminal. 17 4656 November 26, 2013
by Rick_S
GLCD SPI problems 14 8045 November 10, 2013
by andyi
Moving on... 7 4040 November 08, 2013
by Pr0ject
Power supply questions 4 5424 October 31, 2013
by sask55
OLED 4 3757 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 15498 September 22, 2013
by sask55
Opto Interrupter once again 14 8254 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4160 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11007 September 02, 2013
by Ralphxyz
USB cable specifications 7 5489 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 4612 August 27, 2013
by Affarram
XMEGA Breakout 8 4974 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 3756 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4438 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4472 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 10458 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15120 June 18, 2013
by Noter
Two Wrongs Make it Right 3 3691 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4340 April 08, 2013
by pcbolt
Using diode to drop voltage 12 65129 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3593 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4012 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8099 March 14, 2013
by mongo
Current vs Voltage 8 5030 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 4763 March 09, 2013
by lnino
Electric current 2 3507 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6515 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9034 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 8479 February 28, 2013
by BobaMosfet
Control electronic door opener 15 4608 February 24, 2013
by lnino
Relay Question 27 7808 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7484 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5030 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 4966 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 4625 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4222 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 4850 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4176 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5064 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 3664 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 3725 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4237 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 9510 November 18, 2012
by carlhako
SPI slave clock 6 4408 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 3808 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 29932 October 23, 2012
by Noter
NPN circuit connection quandry 4 4400 September 24, 2012
by edb
Simple I/O circuit 4 4073 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 3816 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3502 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6154 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4089 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6351 September 13, 2012
by dan_engbers
Electronics simulation 8 4711 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 6773 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 3989 August 20, 2012
by rblalock
louder sound 2 3731 August 18, 2012
by mongo
connector or cable for LCD display? 4 3892 August 13, 2012
by missle3944
Powering L.E.Ds 5 4065 August 09, 2012
by BobaMosfet
Wires in U.K 5 4579 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4465 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7339 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7086 July 25, 2012
by bretm
Stepper Motor Direction Control 12 4853 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22287 July 21, 2012
by lnino
um help 6 3726 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4582 July 18, 2012
by Ralphxyz
help me 11 4452 July 03, 2012
by Rick_S
Crystal Oscillator question 2 3847 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5103 June 24, 2012
by Ralphxyz
HELP 3 3635 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14422 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 3740 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5577 June 17, 2012
by RogerFL
Programmable current source 6 5508 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5225 June 11, 2012
by mongo
HELP 6 3921 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4257 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 49438 May 24, 2012
by Ralphxyz
i need a code 8 4337 May 15, 2012
by pcbolt
Clock Accuracy 30 8932 May 14, 2012
by HexManiac
Relays and Controlling them 9 4281 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4547 May 09, 2012
by RogerFL
Powering your NerdKit 7 4173 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4117 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7345 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4605 April 24, 2012
by pcbolt
Programs will not run 6 4027 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 4681 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4387 April 09, 2012
by Ralphxyz
Path Lights controller 2 3893 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4030 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4560 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4149 April 01, 2012
by JamesFysh
Question on LCD screen 5 4152 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4105 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5370 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 4983 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 8688 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4241 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5342 March 15, 2012
by mongo
Digital servo issues! 9 4705 March 15, 2012
by Rick_S
Brushless motor control 16 5099 March 12, 2012
by hevans
Windows not detecting device 3 3907 March 10, 2012
by hevans
Voltage throught MCU 5 3859 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 19507 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11327 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 20330 March 01, 2012
by hevans
Up and running... 3 3655 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4322 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 4642 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 3916 February 24, 2012
by Rick_S
programming lcd trubs 7 3947 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 4703 February 18, 2012
by Rick_S
Oscilloscope 15 5950 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10219 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5146 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4309 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 10652 February 09, 2012
by mongo
Data transmission 3 4899 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 4680 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6141 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4101 February 03, 2012
by BobaMosfet
connencting two ics to port 3 3763 January 31, 2012
by tchilzer2
H bridge questions 6 4426 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4254 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 4602 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 4849 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 7969 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4520 January 15, 2012
by Rick_S
Source of power? 19 4568 January 13, 2012
by mongo
symbol defined please? 4 4395 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 17372 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4187 January 06, 2012
by boxvic
Basic LED circuit properties 8 4488 January 06, 2012
by boxvic
Getting Started 3 3992 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5151 January 02, 2012
by bodangly
SMD reflow 16 5222 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4138 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 4914 December 23, 2011
by BobaMosfet
Potentiometer 8 5637 December 23, 2011
by huzbum
Fun with Op-Amps 3 6058 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5124 December 19, 2011
by n1cl3
Odessy of the minds 5 4395 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 3798 November 27, 2011
by sazD
Initial Load 2 4475 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5012 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 5869 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4534 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 9563 November 10, 2011
by jfbrink
Servo Squitter Project 13 4246 November 09, 2011
by Heed
how do i run a program 4 3814 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4070 November 07, 2011
by Heed
Motor control question 2 3899 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9376 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4089 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4049 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 95143 October 24, 2011
by glendon
Measuring Capacitance 9 5541 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4172 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 5890 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 22061 October 16, 2011
by sask55
RxD / TxD Questions 10 7204 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4257 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4134 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4359 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 3939 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 12896 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5570 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 23893 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 12536 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 3846 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7397 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13260 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8504 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 4981 September 01, 2011
by BobaMosfet
Dim LED 3 3820 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4330 August 23, 2011
by Twarter369
Easy Transistor Question 4 4947 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 6657 August 18, 2011
by Ralphxyz
Building a coil?? 12 6636 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4252 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 3922 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 3737 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 3686 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 23510 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5022 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4432 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4110 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4171 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 6954 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 3790 July 17, 2011
by codenamejupiterx
avr macpack 3 4189 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4106 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4193 July 13, 2011
by BobaMosfet
Battery clip wires 3 3776 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3627 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 3961 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4171 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4558 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 24692 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4134 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4339 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6367 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4358 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4435 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4373 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 4803 June 06, 2011
by mja
A couple of questions 3 4020 June 06, 2011
by Ralphxyz
How much should I strip? 3 4112 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4567 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4006 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4312 May 29, 2011
by Rick_S
Digital Input Question 4 4089 May 28, 2011
by frankdwest
PCB arrived 20 3993 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 4654 May 24, 2011
by gcharris
Calculating bypass capacitor 6 23424 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 4589 May 09, 2011
by Noter
IR current 6 4384 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5070 May 04, 2011
by hariharan
Heat sensors 21 5373 May 04, 2011
by Hexorg
error 1 2 3861 May 02, 2011
by hevans
Transistor vs mosfet 13 11990 May 01, 2011
by Noter
PCB trace width calculator 3 5463 April 24, 2011
by esoderberg
OLED display 10 5177 April 23, 2011
by Rick_S
Power Supplies 17 5760 April 22, 2011
by BobBolinger
LCD & battery&USB 4 3937 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4558 April 21, 2011
by Rick_S
ADC Theremin Help... 1 3923 April 20, 2011
by jasongillikin
RF and oscoliscope 2 4991 April 19, 2011
by mongo
Connecting to external control voltages 4 4023 April 19, 2011
by bretm
IR current question 7 4085 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 4867 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5061 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4386 April 10, 2011
by uml_12
Basic projects 3 4053 April 09, 2011
by mongo
REFLOW oven 22 6965 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14017 April 07, 2011
by bretm
unexpected MCU rebooting 82 8972 April 05, 2011
by sask55
REFLOW Soldering 3 4894 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4315 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 6665 March 30, 2011
by bretm
Black Display on LCD 6 4292 March 28, 2011
by Druidman
32kHz clock 2 3973 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11094 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 11423 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6161 March 16, 2011
by mongo
LCD problem 3 4386 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 4954 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5072 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4095 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 7613 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5010 February 26, 2011
by amartinez
Why does my led light without the battery? 2 4929 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 11975 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 8523 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5585 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9069 February 19, 2011
by Lusitania
My first Impression 6 4476 February 16, 2011
by devinsbusiness
Understanding battery life 3 5714 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5353 February 13, 2011
by sask55
Using Devices With Different Voltages 11 4982 February 05, 2011
by BobaMosfet
High voltage lines 26 7046 February 02, 2011
by mongo
USB 3 4073 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5073 February 02, 2011
by Jalex
Alternating LED circuit 4 4958 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6254 January 31, 2011
by il1019
Affordable oscilloscopes 43 14031 January 27, 2011
by BStory
"And"gate unfinished thought 2 4146 January 27, 2011
by Hexorg
replace MCU? 30 9115 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 4709 January 25, 2011
by Ralphxyz
Multimeter! 12 6960 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 5642 January 25, 2011
by Jalex
My LED Cube so far 25 10390 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5483 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 4902 January 18, 2011
by dgikuljot
Counting 5 4100 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 8586 January 17, 2011
by bretm
Programming 5 4926 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5167 January 11, 2011
by Yourself
Begining 7 5235 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 5616 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5004 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4256 January 09, 2011
by mrobbins
UART operating at 3.3V 1 4814 January 06, 2011
by Mujda
Data input voltage 6 4834 January 03, 2011
by Rick_S
MOSFET Question 7 4994 December 31, 2010
by Keyster
Transistor as a switch 5 4964 December 29, 2010
by Hexorg
Resistors 5 5267 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10167 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5205 December 28, 2010
by BobaMosfet
Relay ratings 2 4550 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 19707 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4406 December 17, 2010
by mongo
Power Rectifier 7 4789 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 6859 December 14, 2010
by danuke
This a decent oscilloscope? 8 4760 December 14, 2010
by danuke
Do resistors in series really add up? 8 6126 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5562 December 09, 2010
by bretm
L293 H-Bridge 15 6208 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6428 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 6552 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5480 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6079 November 24, 2010
by BobaMosfet
Op-amp not working 6 6350 November 24, 2010
by BobaMosfet
Python questions 4 5327 November 21, 2010
by tkopriva
CE Amp design 5 4817 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 4735 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4617 November 05, 2010
by Mujda
PC4 not working?! 8 4393 November 04, 2010
by hapshetsut
Amplifiers 4 4455 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5290 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5362 October 04, 2010
by Scythium
radio interference from NerdKit 11 4487 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9129 September 14, 2010
by Ralphxyz
solar project with light sensors 7 4982 September 11, 2010
by akajester
QFP and dreadboard 2 4891 September 02, 2010
by bretm
Getting power to the spinning part... 5 4787 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 12523 August 30, 2010
by Ralphxyz
morse code decoder 2 4919 August 26, 2010
by jonathan_m
Connecting to Computer 3 4845 August 25, 2010
by awesome
555 astable on breadboard 12 6352 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4471 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 4915 August 19, 2010
by hevans
mosfet 3 4259 August 13, 2010
by hevans
Good material on learning electronics. 8 5237 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4152 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 6707 August 02, 2010
by mrobbins
More batteries = more voltage? 3 5992 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9305 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6515 July 02, 2010
by mongo
Electro Cardio Gram 4 5352 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4212 June 12, 2010
by Wobbler
Voltage Regulator 20 5872 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5424 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6084 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 5777 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 4953 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4196 June 06, 2010
by Kafke
TSSOP IC! 4 4927 June 03, 2010
by mrobbins
AVcc 2 5190 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4376 May 31, 2010
by hevans
Cable Driver 2 4100 May 31, 2010
by mongo
Best 9V adapter to use 2 4451 May 28, 2010
by mongo
Unidirectional microphones 5 4754 May 27, 2010
by mongo
Servo question 3 4251 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 4905 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 4790 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6411 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11173 May 21, 2010
by hevans
Chinese Solenoid 15 4722 May 10, 2010
by treymd
avrisp mkii circuit 4 5974 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4304 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 9491 May 07, 2010
by rajabalu21
Simple Power Switch 6 4414 May 05, 2010
by avicell
I can haz speed! 3 4738 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6239 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5040 April 21, 2010
by bretm
Help with choosing the right resistor 10 6166 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 10683 April 15, 2010
by bretm
Resistor 4 4115 April 15, 2010
by mongo
MCU digital input pins 3 4291 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4541 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10458 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6547 March 28, 2010
by carlhako
Laptop ground safety question 3 4607 March 27, 2010
by ese
LM34 R-C Damper 5 6134 March 24, 2010
by BobaMosfet
NerdKits & USB 5 4933 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4191 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6213 March 23, 2010
by ese
constant system reset 3 4124 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 4860 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 5895 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5229 March 17, 2010
by Frozenlock
What is -VS? 6 8199 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6079 March 04, 2010
by treymd
Using MCU to connect two wires 3 5022 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 9641 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4488 March 02, 2010
by Solorbob
Deciphering power resistors 11 4903 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4238 March 01, 2010
by nrotstan
Understanding LEDs 16 7380 March 01, 2010
by michaeldallas
What's the part I need? 5 4377 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11395 February 23, 2010
by rajabalu21
Too much power? 14 5172 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 5801 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 5725 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13108 February 18, 2010
by Rick_S
Serial port interface circuit 2 5344 February 17, 2010
by mongo
OBDII project 3 4388 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 7892 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7060 February 13, 2010
by BobaMosfet
Digital pots 5 4622 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 4853 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 5795 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7119 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7313 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5197 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 6856 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 10614 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5555 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 4771 December 27, 2009
by jgauthier
Servo Signal Noise 2 4299 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 7603 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11100 December 10, 2009
by georgio
Relays and transistors 12 9098 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9168 December 09, 2009
by Rick_S
IR Detector 7 8561 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5365 November 19, 2009
by mikedoug
Debug with lcd 6 5339 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 4854 November 15, 2009
by tech20
Understanding output pin characteristics 4 4674 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 6554 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 4950 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 48239 October 30, 2009
by BobaMosfet
DIY header unit 2 5193 October 10, 2009
by rusirius
Thermostat Logging 6 6780 October 09, 2009
by luke
Understanding transistors 6 6560 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10399 October 07, 2009
by mikedoug
Currant booster 3 4296 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5319 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13227 August 27, 2009
by hevans
Which LED? 14 5078 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6027 August 07, 2009
by mongo
pull up, pull down resistors 7 17467 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11318 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7193 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 6691 July 07, 2009
by sector0
Reset switch for circuit 3 4980 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31634 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6086 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 4871 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5012 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5521 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 4832 May 06, 2009
by paulip

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