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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 6939 July 27, 2019
by BobaMosfet
mosfet control during start up 5 7294 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6080 April 12, 2016
by Ralphxyz
USBasp Help! 3 4978 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 7066 May 04, 2015
by mongo
Need to replace Wall Watt 16 4462 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4227 April 10, 2015
by Noter
My new 3D Printer 44 19665 April 07, 2015
by Rick_S
AtMega 644 2 4329 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 3453 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 3935 June 02, 2014
by JKITSON
Automated programming mode? 9 4322 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 3957 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 3814 January 28, 2014
by lailai
What kind of error is this? 4 3838 January 23, 2014
by Noter
How to double a DC voltage? 20 10968 January 12, 2014
by JKITSON
Is the code the driver? 2 3499 January 12, 2014
by Ralphxyz
Miniature headers 6 3941 January 01, 2014
by Ralphxyz
BLDC 8 3914 December 23, 2013
by esoderberg
I need help finding a terminal. 17 4388 November 26, 2013
by Rick_S
GLCD SPI problems 14 7775 November 10, 2013
by andyi
Moving on... 7 3808 November 08, 2013
by Pr0ject
Power supply questions 4 5155 October 31, 2013
by sask55
OLED 4 3513 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 15069 September 22, 2013
by sask55
Opto Interrupter once again 14 7954 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 3920 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 10714 September 02, 2013
by Ralphxyz
USB cable specifications 7 5124 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 4316 August 27, 2013
by Affarram
XMEGA Breakout 8 4709 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 3507 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4168 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4211 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 10050 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 14762 June 18, 2013
by Noter
Two Wrongs Make it Right 3 3452 May 22, 2013
by meltbox360
accurate time for a real time clock 5 3980 April 08, 2013
by pcbolt
Using diode to drop voltage 12 64466 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3357 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 3698 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 7687 March 14, 2013
by mongo
Current vs Voltage 8 4647 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 4510 March 09, 2013
by lnino
Electric current 2 3274 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6244 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 8678 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 8053 February 28, 2013
by BobaMosfet
Control electronic door opener 15 4349 February 24, 2013
by lnino
Relay Question 27 7503 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7203 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 4757 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 4726 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 4356 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 3967 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 4545 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 3925 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 4739 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 3440 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 3488 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 3992 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 9213 November 18, 2012
by carlhako
SPI slave clock 6 4159 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 3583 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 29128 October 23, 2012
by Noter
NPN circuit connection quandry 4 4178 September 24, 2012
by edb
Simple I/O circuit 4 3799 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 3570 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3275 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 5826 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 3843 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6109 September 13, 2012
by dan_engbers
Electronics simulation 8 4438 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 6514 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 3740 August 20, 2012
by rblalock
louder sound 2 3501 August 18, 2012
by mongo
connector or cable for LCD display? 4 3677 August 13, 2012
by missle3944
Powering L.E.Ds 5 3819 August 09, 2012
by BobaMosfet
Wires in U.K 5 4360 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4237 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7003 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 6825 July 25, 2012
by bretm
Stepper Motor Direction Control 12 4605 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 21981 July 21, 2012
by lnino
um help 6 3514 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4358 July 18, 2012
by Ralphxyz
help me 11 4162 July 03, 2012
by Rick_S
Crystal Oscillator question 2 3609 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 4847 June 24, 2012
by Ralphxyz
HELP 3 3416 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14071 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 3529 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5354 June 17, 2012
by RogerFL
Programmable current source 6 5173 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 4971 June 11, 2012
by mongo
HELP 6 3688 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 3975 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 48784 May 24, 2012
by Ralphxyz
i need a code 8 4098 May 15, 2012
by pcbolt
Clock Accuracy 30 8678 May 14, 2012
by HexManiac
Relays and Controlling them 9 4011 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4333 May 09, 2012
by RogerFL
Powering your NerdKit 7 3948 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 3859 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7060 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4369 April 24, 2012
by pcbolt
Programs will not run 6 3781 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 4449 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4164 April 09, 2012
by Ralphxyz
Path Lights controller 2 3671 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 3790 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4310 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 3926 April 01, 2012
by JamesFysh
Question on LCD screen 5 3929 March 30, 2012
by billtaichi
Is this Capaciator Good 4 3863 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5106 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 4710 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 8397 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4022 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5067 March 15, 2012
by mongo
Digital servo issues! 9 4472 March 15, 2012
by Rick_S
Brushless motor control 16 4860 March 12, 2012
by hevans
Windows not detecting device 3 3680 March 10, 2012
by hevans
Voltage throught MCU 5 3620 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 19085 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 10985 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 19694 March 01, 2012
by hevans
Up and running... 3 3384 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4056 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 4354 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 3671 February 24, 2012
by Rick_S
programming lcd trubs 7 3722 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 4438 February 18, 2012
by Rick_S
Oscilloscope 15 5612 February 18, 2012
by Osarus
How far away can a LM34 be? 16 9858 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 4909 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4076 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 10233 February 09, 2012
by mongo
Data transmission 3 4675 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 4431 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 5907 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 3845 February 03, 2012
by BobaMosfet
connencting two ics to port 3 3552 January 31, 2012
by tchilzer2
H bridge questions 6 4175 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4017 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 4313 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 4600 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 7706 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4277 January 15, 2012
by Rick_S
Source of power? 19 4318 January 13, 2012
by mongo
symbol defined please? 4 4184 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 17058 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 3952 January 06, 2012
by boxvic
Basic LED circuit properties 8 4256 January 06, 2012
by boxvic
Getting Started 3 3768 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 4912 January 02, 2012
by bodangly
SMD reflow 16 4968 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 3909 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 4677 December 23, 2011
by BobaMosfet
Potentiometer 8 5297 December 23, 2011
by huzbum
Fun with Op-Amps 3 5785 December 22, 2011
by treymd
Do I need an H-Bridge? 14 4866 December 19, 2011
by n1cl3
Odessy of the minds 5 4178 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 3574 November 27, 2011
by sazD
Initial Load 2 4185 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 4746 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 5623 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4267 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 9263 November 10, 2011
by jfbrink
Servo Squitter Project 13 3987 November 09, 2011
by Heed
how do i run a program 4 3570 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 3770 November 07, 2011
by Heed
Motor control question 2 3680 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9037 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 3816 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 3826 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 94250 October 24, 2011
by glendon
Measuring Capacitance 9 5310 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 3951 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 5604 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 21584 October 16, 2011
by sask55
RxD / TxD Questions 10 6873 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4017 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 3898 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4142 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 3723 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 12507 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5340 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 23557 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 12173 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 3570 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7149 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 12944 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8245 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 4729 September 01, 2011
by BobaMosfet
Dim LED 3 3586 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4108 August 23, 2011
by Twarter369
Easy Transistor Question 4 4698 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 6393 August 18, 2011
by Ralphxyz
Building a coil?? 12 6358 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4014 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 3695 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 3499 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 3453 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 23132 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 4795 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4128 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 3879 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 3926 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 6693 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 3564 July 17, 2011
by codenamejupiterx
avr macpack 3 3954 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 3878 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 3959 July 13, 2011
by BobaMosfet
Battery clip wires 3 3538 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3397 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 3740 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 3921 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4326 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 24220 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 3901 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4117 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6072 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4122 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4174 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4159 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 4506 June 06, 2011
by mja
A couple of questions 3 3775 June 06, 2011
by Ralphxyz
How much should I strip? 3 3878 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4315 June 01, 2011
by hevans
Motor Control/MCU power bus 5 3771 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4082 May 29, 2011
by Rick_S
Digital Input Question 4 3874 May 28, 2011
by frankdwest
PCB arrived 20 3765 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 4387 May 24, 2011
by gcharris
Calculating bypass capacitor 6 22990 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 4369 May 09, 2011
by Noter
IR current 6 4101 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 4837 May 04, 2011
by hariharan
Heat sensors 21 5081 May 04, 2011
by Hexorg
error 1 2 3639 May 02, 2011
by hevans
Transistor vs mosfet 13 11701 May 01, 2011
by Noter
PCB trace width calculator 3 5209 April 24, 2011
by esoderberg
OLED display 10 4927 April 23, 2011
by Rick_S
Power Supplies 17 5508 April 22, 2011
by BobBolinger
LCD & battery&USB 4 3710 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4333 April 21, 2011
by Rick_S
ADC Theremin Help... 1 3691 April 20, 2011
by jasongillikin
RF and oscoliscope 2 4680 April 19, 2011
by mongo
Connecting to external control voltages 4 3799 April 19, 2011
by bretm
IR current question 7 3863 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 4630 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 4828 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4125 April 10, 2011
by uml_12
Basic projects 3 3760 April 09, 2011
by mongo
REFLOW oven 22 6710 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 13598 April 07, 2011
by bretm
unexpected MCU rebooting 82 8671 April 05, 2011
by sask55
REFLOW Soldering 3 4633 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4071 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 6404 March 30, 2011
by bretm
Black Display on LCD 6 4079 March 28, 2011
by Druidman
32kHz clock 2 3762 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 10785 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 11023 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 5902 March 16, 2011
by mongo
LCD problem 3 4159 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 4705 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 4828 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 3850 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 7318 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 4779 February 26, 2011
by amartinez
Why does my led light without the battery? 2 4705 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 11736 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 8187 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5328 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 8813 February 19, 2011
by Lusitania
My first Impression 6 4090 February 16, 2011
by devinsbusiness
Understanding battery life 3 5440 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5124 February 13, 2011
by sask55
Using Devices With Different Voltages 11 4727 February 05, 2011
by BobaMosfet
High voltage lines 26 6724 February 02, 2011
by mongo
USB 3 3842 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 4813 February 02, 2011
by Jalex
Alternating LED circuit 4 4608 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 5890 January 31, 2011
by il1019
Affordable oscilloscopes 43 13708 January 27, 2011
by BStory
"And"gate unfinished thought 2 3748 January 27, 2011
by Hexorg
replace MCU? 30 8800 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 4471 January 25, 2011
by Ralphxyz
Multimeter! 12 6677 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 5362 January 25, 2011
by Jalex
My LED Cube so far 25 10132 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5236 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 4666 January 18, 2011
by dgikuljot
Counting 5 3724 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 8312 January 17, 2011
by bretm
Programming 5 4517 January 14, 2011
by Ralphxyz
Induction loop actuator 7 4913 January 11, 2011
by Yourself
Begining 7 4974 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 5360 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 4742 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 3998 January 09, 2011
by mrobbins
UART operating at 3.3V 1 4418 January 06, 2011
by Mujda
Data input voltage 6 4598 January 03, 2011
by Rick_S
MOSFET Question 7 4629 December 31, 2010
by Keyster
Transistor as a switch 5 4555 December 29, 2010
by Hexorg
Resistors 5 5004 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 9879 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 4925 December 28, 2010
by BobaMosfet
Relay ratings 2 4306 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 19393 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 3992 December 17, 2010
by mongo
Power Rectifier 7 4545 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 6556 December 14, 2010
by danuke
This a decent oscilloscope? 8 4522 December 14, 2010
by danuke
Do resistors in series really add up? 8 5836 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5309 December 09, 2010
by bretm
L293 H-Bridge 15 5929 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6165 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 6133 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5179 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 5821 November 24, 2010
by BobaMosfet
Op-amp not working 6 6073 November 24, 2010
by BobaMosfet
Python questions 4 5079 November 21, 2010
by tkopriva
CE Amp design 5 4568 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 4494 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4361 November 05, 2010
by Mujda
PC4 not working?! 8 4002 November 04, 2010
by hapshetsut
Amplifiers 4 4216 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5057 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5119 October 04, 2010
by Scythium
radio interference from NerdKit 11 4191 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 8889 September 14, 2010
by Ralphxyz
solar project with light sensors 7 4724 September 11, 2010
by akajester
QFP and dreadboard 2 4658 September 02, 2010
by bretm
Getting power to the spinning part... 5 4552 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 12196 August 30, 2010
by Ralphxyz
morse code decoder 2 4694 August 26, 2010
by jonathan_m
Connecting to Computer 3 4607 August 25, 2010
by awesome
555 astable on breadboard 12 6120 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4247 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 4684 August 19, 2010
by hevans
mosfet 3 4033 August 13, 2010
by hevans
Good material on learning electronics. 8 4992 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 3921 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 6394 August 02, 2010
by mrobbins
More batteries = more voltage? 3 5737 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 8959 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6253 July 02, 2010
by mongo
Electro Cardio Gram 4 5066 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 3978 June 12, 2010
by Wobbler
Voltage Regulator 20 5526 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5190 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 5844 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 5524 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 4699 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 3943 June 06, 2010
by Kafke
TSSOP IC! 4 4693 June 03, 2010
by mrobbins
AVcc 2 4943 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4083 May 31, 2010
by hevans
Cable Driver 2 3868 May 31, 2010
by mongo
Best 9V adapter to use 2 4211 May 28, 2010
by mongo
Unidirectional microphones 5 4523 May 27, 2010
by mongo
Servo question 3 4029 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 4648 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 4556 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6146 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 10765 May 21, 2010
by hevans
Chinese Solenoid 15 4480 May 10, 2010
by treymd
avrisp mkii circuit 4 5711 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4074 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 9124 May 07, 2010
by rajabalu21
Simple Power Switch 6 4172 May 05, 2010
by avicell
I can haz speed! 3 4498 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 5954 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 4803 April 21, 2010
by bretm
Help with choosing the right resistor 10 5901 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 10322 April 15, 2010
by bretm
Resistor 4 3847 April 15, 2010
by mongo
MCU digital input pins 3 4071 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4288 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10209 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6321 March 28, 2010
by carlhako
Laptop ground safety question 3 4389 March 27, 2010
by ese
LM34 R-C Damper 5 5876 March 24, 2010
by BobaMosfet
NerdKits & USB 5 4699 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 3964 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 5974 March 23, 2010
by ese
constant system reset 3 3871 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 4619 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 5587 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 4997 March 17, 2010
by Frozenlock
What is -VS? 6 7799 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 5852 March 04, 2010
by treymd
Using MCU to connect two wires 3 4801 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 9309 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4265 March 02, 2010
by Solorbob
Deciphering power resistors 11 4654 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4012 March 01, 2010
by nrotstan
Understanding LEDs 16 7097 March 01, 2010
by michaeldallas
What's the part I need? 5 4130 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11086 February 23, 2010
by rajabalu21
Too much power? 14 4926 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 5545 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 5396 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 12676 February 18, 2010
by Rick_S
Serial port interface circuit 2 5101 February 17, 2010
by mongo
OBDII project 3 4163 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 7549 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 6776 February 13, 2010
by BobaMosfet
Digital pots 5 4393 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 4551 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 5574 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 6461 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7008 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 4909 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 6599 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 10348 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5323 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 4551 December 27, 2009
by jgauthier
Servo Signal Noise 2 4070 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 7361 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 10845 December 10, 2009
by georgio
Relays and transistors 12 8842 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 8910 December 09, 2009
by Rick_S
IR Detector 7 8239 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5124 November 19, 2009
by mikedoug
Debug with lcd 6 5097 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 4627 November 15, 2009
by tech20
Understanding output pin characteristics 4 4432 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 6303 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 4652 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 47805 October 30, 2009
by BobaMosfet
DIY header unit 2 4957 October 10, 2009
by rusirius
Thermostat Logging 6 6506 October 09, 2009
by luke
Understanding transistors 6 6291 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10132 October 07, 2009
by mikedoug
Currant booster 3 4055 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5110 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 12918 August 27, 2009
by hevans
Which LED? 14 4853 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 5771 August 07, 2009
by mongo
pull up, pull down resistors 7 17188 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11030 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 6902 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 6443 July 07, 2009
by sector0
Reset switch for circuit 3 4670 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31402 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 5822 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 4639 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 4757 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5298 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 4595 May 06, 2009
by paulip

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