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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8763 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8178 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6915 April 12, 2016
by Ralphxyz
USBasp Help! 3 5810 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8035 May 04, 2015
by mongo
Need to replace Wall Watt 16 5316 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4972 April 10, 2015
by Noter
My new 3D Printer 44 20539 April 07, 2015
by Rick_S
AtMega 644 2 5037 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4081 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4750 June 02, 2014
by JKITSON
Automated programming mode? 9 5032 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4605 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4637 January 28, 2014
by lailai
What kind of error is this? 4 4453 January 23, 2014
by Noter
How to double a DC voltage? 20 11830 January 12, 2014
by JKITSON
Is the code the driver? 2 4318 January 12, 2014
by Ralphxyz
Miniature headers 6 4552 January 01, 2014
by Ralphxyz
BLDC 8 4631 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5216 November 26, 2013
by Rick_S
GLCD SPI problems 14 8489 November 10, 2013
by andyi
Moving on... 7 4448 November 08, 2013
by Pr0ject
Power supply questions 4 5992 October 31, 2013
by sask55
OLED 4 4203 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16185 September 22, 2013
by sask55
Opto Interrupter once again 14 8869 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4620 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11606 September 02, 2013
by Ralphxyz
USB cable specifications 7 6127 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5126 August 27, 2013
by Affarram
XMEGA Breakout 8 5486 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4181 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4847 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4895 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11182 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15824 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4157 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4782 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66120 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3978 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4518 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8685 March 14, 2013
by mongo
Current vs Voltage 8 5600 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5193 March 09, 2013
by lnino
Electric current 2 3970 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6912 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9639 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9128 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5040 February 24, 2013
by lnino
Relay Question 27 8299 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7969 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5469 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5351 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5118 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4713 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5364 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4698 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5526 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4041 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4127 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4604 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10118 November 18, 2012
by carlhako
SPI slave clock 6 4835 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4228 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31025 October 23, 2012
by Noter
NPN circuit connection quandry 4 4801 September 24, 2012
by edb
Simple I/O circuit 4 4458 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4234 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3943 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6737 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4451 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6834 September 13, 2012
by dan_engbers
Electronics simulation 8 5090 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7219 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4356 August 20, 2012
by rblalock
louder sound 2 4134 August 18, 2012
by mongo
connector or cable for LCD display? 4 4348 August 13, 2012
by missle3944
Powering L.E.Ds 5 4476 August 09, 2012
by BobaMosfet
Wires in U.K 5 4952 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4853 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7817 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7508 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5300 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22801 July 21, 2012
by lnino
um help 6 3944 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4991 July 18, 2012
by Ralphxyz
help me 11 4847 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4241 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5546 June 24, 2012
by Ralphxyz
HELP 3 3988 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14928 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4099 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6026 June 17, 2012
by RogerFL
Programmable current source 6 6036 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5618 June 11, 2012
by mongo
HELP 6 4318 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4714 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 50943 May 24, 2012
by Ralphxyz
i need a code 8 4718 May 15, 2012
by pcbolt
Clock Accuracy 30 9382 May 14, 2012
by HexManiac
Relays and Controlling them 9 4689 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4960 May 09, 2012
by RogerFL
Powering your NerdKit 7 4543 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4563 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7787 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4971 April 24, 2012
by pcbolt
Programs will not run 6 4453 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5088 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4758 April 09, 2012
by Ralphxyz
Path Lights controller 2 4324 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4442 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4972 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4538 April 01, 2012
by JamesFysh
Question on LCD screen 5 4536 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4497 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5815 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5434 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9138 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4622 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5833 March 15, 2012
by mongo
Digital servo issues! 9 5136 March 15, 2012
by Rick_S
Brushless motor control 16 5483 March 12, 2012
by hevans
Windows not detecting device 3 4278 March 10, 2012
by hevans
Voltage throught MCU 5 4289 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20160 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11887 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21116 March 01, 2012
by hevans
Up and running... 3 4081 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4748 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5104 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4328 February 24, 2012
by Rick_S
programming lcd trubs 7 4429 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5108 February 18, 2012
by Rick_S
Oscilloscope 15 6378 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10879 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5543 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4728 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11379 February 09, 2012
by mongo
Data transmission 3 5278 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5091 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6658 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4576 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4130 January 31, 2012
by tchilzer2
H bridge questions 6 4903 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4650 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5084 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5274 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8398 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4943 January 15, 2012
by Rick_S
Source of power? 19 5070 January 13, 2012
by mongo
symbol defined please? 4 4760 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18043 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4663 January 06, 2012
by boxvic
Basic LED circuit properties 8 4890 January 06, 2012
by boxvic
Getting Started 3 4359 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5551 January 02, 2012
by bodangly
SMD reflow 16 5652 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4621 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5285 December 23, 2011
by BobaMosfet
Potentiometer 8 6235 December 23, 2011
by huzbum
Fun with Op-Amps 3 6474 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5533 December 19, 2011
by n1cl3
Odessy of the minds 5 4809 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4179 November 27, 2011
by sazD
Initial Load 2 4843 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5557 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6243 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4913 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10047 November 10, 2011
by jfbrink
Servo Squitter Project 13 4648 November 09, 2011
by Heed
how do i run a program 4 4212 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4473 November 07, 2011
by Heed
Motor control question 2 4262 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9920 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4521 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4400 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 96518 October 24, 2011
by glendon
Measuring Capacitance 9 5954 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4561 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6309 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 22929 October 16, 2011
by sask55
RxD / TxD Questions 10 7774 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4642 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4538 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4830 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4334 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13725 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6010 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24452 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13131 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4269 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7838 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13900 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8944 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5388 September 01, 2011
by BobaMosfet
Dim LED 3 4218 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4740 August 23, 2011
by Twarter369
Easy Transistor Question 4 5375 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7136 August 18, 2011
by Ralphxyz
Building a coil?? 12 7147 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4644 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4290 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4116 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4060 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24161 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5399 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4802 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4518 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4557 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7334 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4218 July 17, 2011
by codenamejupiterx
avr macpack 3 4585 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4584 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4669 July 13, 2011
by BobaMosfet
Battery clip wires 3 4140 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4013 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4319 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4558 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4996 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25292 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4521 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4769 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6857 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4792 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4819 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4724 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5296 June 06, 2011
by mja
A couple of questions 3 4431 June 06, 2011
by Ralphxyz
How much should I strip? 3 4496 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4995 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4387 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4716 May 29, 2011
by Rick_S
Digital Input Question 4 4454 May 28, 2011
by frankdwest
PCB arrived 20 4442 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5086 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24068 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5039 May 09, 2011
by Noter
IR current 6 4743 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5460 May 04, 2011
by hariharan
Heat sensors 21 5830 May 04, 2011
by Hexorg
error 1 2 4327 May 02, 2011
by hevans
Transistor vs mosfet 13 12586 May 01, 2011
by Noter
PCB trace width calculator 3 5907 April 24, 2011
by esoderberg
OLED display 10 5616 April 23, 2011
by Rick_S
Power Supplies 17 6167 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4269 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4971 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4413 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5438 April 19, 2011
by mongo
Connecting to external control voltages 4 4391 April 19, 2011
by bretm
IR current question 7 4510 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5299 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5481 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4758 April 10, 2011
by uml_12
Basic projects 3 4435 April 09, 2011
by mongo
REFLOW oven 22 7388 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14686 April 07, 2011
by bretm
unexpected MCU rebooting 82 9405 April 05, 2011
by sask55
REFLOW Soldering 3 5364 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4726 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7067 March 30, 2011
by bretm
Black Display on LCD 6 4705 March 28, 2011
by Druidman
32kHz clock 2 4359 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11523 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12052 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6567 March 16, 2011
by mongo
LCD problem 3 4750 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5354 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5448 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4456 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8143 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5391 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5336 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12385 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9097 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6019 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9462 February 19, 2011
by Lusitania
My first Impression 6 4855 February 16, 2011
by devinsbusiness
Understanding battery life 3 6145 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5755 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5389 February 05, 2011
by BobaMosfet
High voltage lines 26 7555 February 02, 2011
by mongo
USB 3 4409 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5471 February 02, 2011
by Jalex
Alternating LED circuit 4 5358 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6689 January 31, 2011
by il1019
Affordable oscilloscopes 43 14862 January 27, 2011
by BStory
"And"gate unfinished thought 2 4555 January 27, 2011
by Hexorg
replace MCU? 30 9614 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5116 January 25, 2011
by Ralphxyz
Multimeter! 12 7401 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6052 January 25, 2011
by Jalex
My LED Cube so far 25 10831 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5852 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5287 January 18, 2011
by dgikuljot
Counting 5 4499 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9144 January 17, 2011
by bretm
Programming 5 5365 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5569 January 11, 2011
by Yourself
Begining 7 5645 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6038 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5371 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4671 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5209 January 06, 2011
by Mujda
Data input voltage 6 5214 January 03, 2011
by Rick_S
MOSFET Question 7 5365 December 31, 2010
by Keyster
Transistor as a switch 5 5410 December 29, 2010
by Hexorg
Resistors 5 5759 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10678 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5619 December 28, 2010
by BobaMosfet
Relay ratings 2 4937 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20260 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4772 December 17, 2010
by mongo
Power Rectifier 7 7058 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7394 December 14, 2010
by danuke
This a decent oscilloscope? 8 5173 December 14, 2010
by danuke
Do resistors in series really add up? 8 6590 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5991 December 09, 2010
by bretm
L293 H-Bridge 15 6679 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6880 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7051 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5966 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6493 November 24, 2010
by BobaMosfet
Op-amp not working 6 6763 November 24, 2010
by BobaMosfet
Python questions 4 5722 November 21, 2010
by tkopriva
CE Amp design 5 5267 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5179 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5036 November 05, 2010
by Mujda
PC4 not working?! 8 4887 November 04, 2010
by hapshetsut
Amplifiers 4 4842 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5706 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5789 October 04, 2010
by Scythium
radio interference from NerdKit 11 4914 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9545 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5395 September 11, 2010
by akajester
QFP and dreadboard 2 5301 September 02, 2010
by bretm
Getting power to the spinning part... 5 5161 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13104 August 30, 2010
by Ralphxyz
morse code decoder 2 5274 August 26, 2010
by jonathan_m
Connecting to Computer 3 5260 August 25, 2010
by awesome
555 astable on breadboard 12 6772 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4884 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5382 August 19, 2010
by hevans
mosfet 3 4644 August 13, 2010
by hevans
Good material on learning electronics. 8 5641 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4529 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7206 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6458 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9833 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6933 July 02, 2010
by mongo
Electro Cardio Gram 4 5808 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4586 June 12, 2010
by Wobbler
Voltage Regulator 20 6307 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5858 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6516 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6175 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5365 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4596 June 06, 2010
by Kafke
TSSOP IC! 4 5365 June 03, 2010
by mrobbins
AVcc 2 5598 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4798 May 31, 2010
by hevans
Cable Driver 2 4478 May 31, 2010
by mongo
Best 9V adapter to use 2 4918 May 28, 2010
by mongo
Unidirectional microphones 5 5171 May 27, 2010
by mongo
Servo question 3 4634 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5333 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5182 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6866 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11790 May 21, 2010
by hevans
Chinese Solenoid 15 5153 May 10, 2010
by treymd
avrisp mkii circuit 4 6366 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4708 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10023 May 07, 2010
by rajabalu21
Simple Power Switch 6 4804 May 05, 2010
by avicell
I can haz speed! 3 5147 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6650 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5481 April 21, 2010
by bretm
Help with choosing the right resistor 10 6592 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11318 April 15, 2010
by bretm
Resistor 4 4504 April 15, 2010
by mongo
MCU digital input pins 3 4692 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4990 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10876 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6948 March 28, 2010
by carlhako
Laptop ground safety question 3 5029 March 27, 2010
by ese
LM34 R-C Damper 5 6599 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5325 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4621 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6636 March 23, 2010
by ese
constant system reset 3 4515 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5283 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6360 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5619 March 17, 2010
by Frozenlock
What is -VS? 6 8676 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6430 March 04, 2010
by treymd
Using MCU to connect two wires 3 5514 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10246 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4944 March 02, 2010
by Solorbob
Deciphering power resistors 11 5325 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4716 March 01, 2010
by nrotstan
Understanding LEDs 16 7909 March 01, 2010
by michaeldallas
What's the part I need? 5 4823 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11850 February 23, 2010
by rajabalu21
Too much power? 14 5566 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6240 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6171 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13667 February 18, 2010
by Rick_S
Serial port interface circuit 2 5723 February 17, 2010
by mongo
OBDII project 3 4775 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8380 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7533 February 13, 2010
by BobaMosfet
Digital pots 5 5016 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5338 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6208 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7611 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7753 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5592 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7343 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11150 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5954 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5172 December 27, 2009
by jgauthier
Servo Signal Noise 2 4726 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8100 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11541 December 10, 2009
by georgio
Relays and transistors 12 9541 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9602 December 09, 2009
by Rick_S
IR Detector 7 9111 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5787 November 19, 2009
by mikedoug
Debug with lcd 6 5739 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5215 November 15, 2009
by tech20
Understanding output pin characteristics 4 5106 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7094 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5391 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 48983 October 30, 2009
by BobaMosfet
DIY header unit 2 5565 October 10, 2009
by rusirius
Thermostat Logging 6 7225 October 09, 2009
by luke
Understanding transistors 6 6917 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10884 October 07, 2009
by mikedoug
Currant booster 3 4727 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5714 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13723 August 27, 2009
by hevans
Which LED? 14 5477 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6508 August 07, 2009
by mongo
pull up, pull down resistors 7 17908 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11848 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7751 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7141 July 07, 2009
by sector0
Reset switch for circuit 3 5388 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32007 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6509 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5269 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5415 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5914 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5245 May 06, 2009
by paulip

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