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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 4943 July 27, 2019
by BobaMosfet
mosfet control during start up 5 6244 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 5051 April 12, 2016
by Ralphxyz
USBasp Help! 3 3909 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 5886 May 04, 2015
by mongo
Need to replace Wall Watt 16 2964 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 3278 April 10, 2015
by Noter
My new 3D Printer 44 18371 April 07, 2015
by Rick_S
AtMega 644 2 3480 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 2642 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 3078 June 02, 2014
by JKITSON
Automated programming mode? 9 3432 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 3100 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 2978 January 28, 2014
by lailai
What kind of error is this? 4 3047 January 23, 2014
by Noter
How to double a DC voltage? 20 9074 January 12, 2014
by JKITSON
Is the code the driver? 2 2683 January 12, 2014
by Ralphxyz
Miniature headers 6 3109 January 01, 2014
by Ralphxyz
BLDC 8 3061 December 23, 2013
by esoderberg
I need help finding a terminal. 17 3477 November 26, 2013
by Rick_S
GLCD SPI problems 14 6739 November 10, 2013
by andyi
Moving on... 7 3052 November 08, 2013
by Pr0ject
Power supply questions 4 3811 October 31, 2013
by sask55
OLED 4 2730 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 13067 September 22, 2013
by sask55
Opto Interrupter once again 14 6565 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 2918 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 9705 September 02, 2013
by Ralphxyz
USB cable specifications 7 3731 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 3236 August 27, 2013
by Affarram
XMEGA Breakout 8 3495 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 2721 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 3268 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 3295 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 8811 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 13098 June 18, 2013
by Noter
Two Wrongs Make it Right 3 2701 May 22, 2013
by meltbox360
accurate time for a real time clock 5 3173 April 08, 2013
by pcbolt
Using diode to drop voltage 12 60793 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 2601 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 2922 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 5713 March 14, 2013
by mongo
Current vs Voltage 8 3781 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 3677 March 09, 2013
by lnino
Electric current 2 2559 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 5405 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 7174 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 6619 February 28, 2013
by BobaMosfet
Control electronic door opener 15 3332 February 24, 2013
by lnino
Relay Question 27 6570 February 19, 2013
by Noter
Rotary Encoder how to?? 21 5845 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 3856 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 3885 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 3542 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 3157 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 3646 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 3166 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 3889 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 2698 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 2755 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 3000 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 8295 November 18, 2012
by carlhako
SPI slave clock 6 3303 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 2862 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 24593 October 23, 2012
by Noter
NPN circuit connection quandry 4 3409 September 24, 2012
by edb
Simple I/O circuit 4 2924 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 2847 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 2516 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 4504 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 3074 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 5248 September 13, 2012
by dan_engbers
Electronics simulation 8 3665 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 5557 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 2966 August 20, 2012
by rblalock
louder sound 2 2769 August 18, 2012
by mongo
connector or cable for LCD display? 4 2931 August 13, 2012
by missle3944
Powering L.E.Ds 5 3034 August 09, 2012
by BobaMosfet
Wires in U.K 5 3172 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 3297 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 5462 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 5949 July 25, 2012
by bretm
Stepper Motor Direction Control 12 3733 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 20287 July 21, 2012
by lnino
um help 6 2797 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 3585 July 18, 2012
by Ralphxyz
help me 11 3366 July 03, 2012
by Rick_S
Crystal Oscillator question 2 2859 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 3958 June 24, 2012
by Ralphxyz
HELP 3 2632 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 13062 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 2798 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 4155 June 17, 2012
by RogerFL
Programmable current source 6 4191 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 4180 June 11, 2012
by mongo
HELP 6 2960 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 3185 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 45148 May 24, 2012
by Ralphxyz
i need a code 8 3360 May 15, 2012
by pcbolt
Clock Accuracy 30 7325 May 14, 2012
by HexManiac
Relays and Controlling them 9 3235 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 3614 May 09, 2012
by RogerFL
Powering your NerdKit 7 3200 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 3134 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 6198 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 3384 April 24, 2012
by pcbolt
Programs will not run 6 3036 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 3615 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 3239 April 09, 2012
by Ralphxyz
Path Lights controller 2 2912 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 3059 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 3544 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 3226 April 01, 2012
by JamesFysh
Question on LCD screen 5 3121 March 30, 2012
by billtaichi
Is this Capaciator Good 4 3103 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 4322 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 3735 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 7227 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 3295 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 3957 March 15, 2012
by mongo
Digital servo issues! 9 3503 March 15, 2012
by Rick_S
Brushless motor control 16 3971 March 12, 2012
by hevans
Windows not detecting device 3 2926 March 10, 2012
by hevans
Voltage throught MCU 5 2904 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 17875 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 10007 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 16105 March 01, 2012
by hevans
Up and running... 3 2666 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 3245 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 3576 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 2909 February 24, 2012
by Rick_S
programming lcd trubs 7 2994 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 3654 February 18, 2012
by Rick_S
Oscilloscope 15 4789 February 18, 2012
by Osarus
How far away can a LM34 be? 16 8725 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 4208 February 14, 2012
by Ralphxyz
It's true, we forget... 18 3170 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 8333 February 09, 2012
by mongo
Data transmission 3 3574 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 3646 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 4738 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 3051 February 03, 2012
by BobaMosfet
connencting two ics to port 3 2761 January 31, 2012
by tchilzer2
H bridge questions 6 3430 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 3241 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 3522 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 3795 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 6629 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 3430 January 15, 2012
by Rick_S
Source of power? 19 3401 January 13, 2012
by mongo
symbol defined please? 4 3358 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 15988 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 3023 January 06, 2012
by boxvic
Basic LED circuit properties 8 3424 January 06, 2012
by boxvic
Getting Started 3 3021 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 3979 January 02, 2012
by bodangly
SMD reflow 16 4120 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 3223 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 3746 December 23, 2011
by BobaMosfet
Potentiometer 8 4098 December 23, 2011
by huzbum
Fun with Op-Amps 3 4842 December 22, 2011
by treymd
Do I need an H-Bridge? 14 3838 December 19, 2011
by n1cl3
Odessy of the minds 5 3425 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 2843 November 27, 2011
by sazD
Initial Load 2 3409 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 3837 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 4753 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 3503 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 8147 November 10, 2011
by jfbrink
Servo Squitter Project 13 3219 November 09, 2011
by Heed
how do i run a program 4 2848 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 3032 November 07, 2011
by Heed
Motor control question 2 2955 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 7633 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 3102 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 3091 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 86206 October 24, 2011
by glendon
Measuring Capacitance 9 4482 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 3259 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 4503 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 18060 October 16, 2011
by sask55
RxD / TxD Questions 10 5915 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 3305 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 3142 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 2979 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 3002 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 10707 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 4571 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 22070 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 10277 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 2864 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 6303 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 11660 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 7358 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 3653 September 01, 2011
by BobaMosfet
Dim LED 3 2871 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 3368 August 23, 2011
by Twarter369
Easy Transistor Question 4 3830 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 5086 August 18, 2011
by Ralphxyz
Building a coil?? 12 5488 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 3305 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 2919 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 2710 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 2720 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 21610 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 4048 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 3085 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 3167 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 3162 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 5635 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 2868 July 17, 2011
by codenamejupiterx
avr macpack 3 3067 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 3140 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 3184 July 13, 2011
by BobaMosfet
Battery clip wires 3 2844 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 2720 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 2968 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 3218 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 3499 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 20286 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 3143 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 3031 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 5148 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 3389 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 3454 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 3241 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 3588 June 06, 2011
by mja
A couple of questions 3 3019 June 06, 2011
by Ralphxyz
How much should I strip? 3 2808 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 3482 June 01, 2011
by hevans
Motor Control/MCU power bus 5 3026 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 3328 May 29, 2011
by Rick_S
Digital Input Question 4 3137 May 28, 2011
by frankdwest
PCB arrived 20 3060 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 3683 May 24, 2011
by gcharris
Calculating bypass capacitor 6 20334 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 3663 May 09, 2011
by Noter
IR current 6 3363 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 4122 May 04, 2011
by hariharan
Heat sensors 21 4336 May 04, 2011
by Hexorg
error 1 2 2923 May 02, 2011
by hevans
Transistor vs mosfet 13 10862 May 01, 2011
by Noter
PCB trace width calculator 3 4389 April 24, 2011
by esoderberg
OLED display 10 3698 April 23, 2011
by Rick_S
Power Supplies 17 4750 April 22, 2011
by BobBolinger
LCD & battery&USB 4 2988 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 3504 April 21, 2011
by Rick_S
ADC Theremin Help... 1 2889 April 20, 2011
by jasongillikin
RF and oscoliscope 2 3566 April 19, 2011
by mongo
Connecting to external control voltages 4 3108 April 19, 2011
by bretm
IR current question 7 3152 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 3738 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 4054 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 3427 April 10, 2011
by uml_12
Basic projects 3 3064 April 09, 2011
by mongo
REFLOW oven 22 5787 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 11825 April 07, 2011
by bretm
unexpected MCU rebooting 82 7790 April 05, 2011
by sask55
REFLOW Soldering 3 3806 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 3346 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 5518 March 30, 2011
by bretm
Black Display on LCD 6 3359 March 28, 2011
by Druidman
32kHz clock 2 3087 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 9209 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 8942 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 5023 March 16, 2011
by mongo
LCD problem 3 3430 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 3922 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 4105 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 3147 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 6127 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 4036 February 26, 2011
by amartinez
Why does my led light without the battery? 2 4000 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 10359 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 7186 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 4543 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 7877 February 19, 2011
by Lusitania
My first Impression 6 3355 February 16, 2011
by devinsbusiness
Understanding battery life 3 4611 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 4364 February 13, 2011
by sask55
Using Devices With Different Voltages 11 3964 February 05, 2011
by BobaMosfet
High voltage lines 26 5878 February 02, 2011
by mongo
USB 3 3114 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 3984 February 02, 2011
by Jalex
Alternating LED circuit 4 3879 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 5022 January 31, 2011
by il1019
Affordable oscilloscopes 43 12793 January 27, 2011
by BStory
"And"gate unfinished thought 2 3009 January 27, 2011
by Hexorg
replace MCU? 30 7902 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 3728 January 25, 2011
by Ralphxyz
Multimeter! 12 5726 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 4549 January 25, 2011
by Jalex
My LED Cube so far 25 9187 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 4430 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 3765 January 18, 2011
by dgikuljot
Counting 5 2962 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 7493 January 17, 2011
by bretm
Programming 5 3804 January 14, 2011
by Ralphxyz
Induction loop actuator 7 4094 January 11, 2011
by Yourself
Begining 7 3852 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 4599 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 3954 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 3219 January 09, 2011
by mrobbins
UART operating at 3.3V 1 3632 January 06, 2011
by Mujda
Data input voltage 6 3861 January 03, 2011
by Rick_S
MOSFET Question 7 3856 December 31, 2010
by Keyster
Transistor as a switch 5 3775 December 29, 2010
by Hexorg
Resistors 5 4115 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 8866 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 4061 December 28, 2010
by BobaMosfet
Relay ratings 2 3544 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 18233 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 3270 December 17, 2010
by mongo
Power Rectifier 7 3776 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 5647 December 14, 2010
by danuke
This a decent oscilloscope? 8 3800 December 14, 2010
by danuke
Do resistors in series really add up? 8 4955 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 4503 December 09, 2010
by bretm
L293 H-Bridge 15 5018 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 4859 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 5214 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 4383 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 4977 November 24, 2010
by BobaMosfet
Op-amp not working 6 5206 November 24, 2010
by BobaMosfet
Python questions 4 4339 November 21, 2010
by tkopriva
CE Amp design 5 3566 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 3722 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 3552 November 05, 2010
by Mujda
PC4 not working?! 8 3247 November 04, 2010
by hapshetsut
Amplifiers 4 3474 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 4299 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 4329 October 04, 2010
by Scythium
radio interference from NerdKit 11 3362 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 7895 September 14, 2010
by Ralphxyz
solar project with light sensors 7 3891 September 11, 2010
by akajester
QFP and dreadboard 2 3758 September 02, 2010
by bretm
Getting power to the spinning part... 5 3844 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 10613 August 30, 2010
by Ralphxyz
morse code decoder 2 3991 August 26, 2010
by jonathan_m
Connecting to Computer 3 3845 August 25, 2010
by awesome
555 astable on breadboard 12 5381 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 3469 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 3933 August 19, 2010
by hevans
mosfet 3 3326 August 13, 2010
by hevans
Good material on learning electronics. 8 4199 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 3181 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 4993 August 02, 2010
by mrobbins
More batteries = more voltage? 3 4938 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 8035 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 5272 July 02, 2010
by mongo
Electro Cardio Gram 4 4219 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 3266 June 12, 2010
by Wobbler
Voltage Regulator 20 4739 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 4487 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 5031 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 4769 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 3899 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 3228 June 06, 2010
by Kafke
TSSOP IC! 4 3773 June 03, 2010
by mrobbins
AVcc 2 4182 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 3346 May 31, 2010
by hevans
Cable Driver 2 3143 May 31, 2010
by mongo
Best 9V adapter to use 2 3477 May 28, 2010
by mongo
Unidirectional microphones 5 3789 May 27, 2010
by mongo
Servo question 3 3329 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 3833 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 3832 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 5267 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 8982 May 21, 2010
by hevans
Chinese Solenoid 15 3716 May 10, 2010
by treymd
avrisp mkii circuit 4 5002 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 3363 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 8192 May 07, 2010
by rajabalu21
Simple Power Switch 6 3457 May 05, 2010
by avicell
I can haz speed! 3 3559 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 5153 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 4118 April 21, 2010
by bretm
Help with choosing the right resistor 10 5091 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 8310 April 15, 2010
by bretm
Resistor 4 3121 April 15, 2010
by mongo
MCU digital input pins 3 3112 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 3537 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 9310 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 5420 March 28, 2010
by carlhako
Laptop ground safety question 3 3666 March 27, 2010
by ese
LM34 R-C Damper 5 4742 March 24, 2010
by BobaMosfet
NerdKits & USB 5 3727 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 3255 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 5213 March 23, 2010
by ese
constant system reset 3 3128 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 3758 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 4476 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 4141 March 17, 2010
by Frozenlock
What is -VS? 6 6558 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 5116 March 04, 2010
by treymd
Using MCU to connect two wires 3 3733 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 8067 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 3486 March 02, 2010
by Solorbob
Deciphering power resistors 11 3842 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 3297 March 01, 2010
by nrotstan
Understanding LEDs 16 5619 March 01, 2010
by michaeldallas
What's the part I need? 5 3399 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 10198 February 23, 2010
by rajabalu21
Too much power? 14 4211 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 4786 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 4424 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 11524 February 18, 2010
by Rick_S
Serial port interface circuit 2 4301 February 17, 2010
by mongo
OBDII project 3 3442 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 6618 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 5862 February 13, 2010
by BobaMosfet
Digital pots 5 3714 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 3823 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 4798 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 5126 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 6127 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 3834 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 5791 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 9167 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 4595 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 3804 December 27, 2009
by jgauthier
Servo Signal Noise 2 3280 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 6153 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 10034 December 10, 2009
by georgio
Relays and transistors 12 7941 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 7308 December 09, 2009
by Rick_S
IR Detector 7 6839 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 4365 November 19, 2009
by mikedoug
Debug with lcd 6 4364 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 3917 November 15, 2009
by tech20
Understanding output pin characteristics 4 3674 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 5488 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 3921 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 45613 October 30, 2009
by BobaMosfet
DIY header unit 2 4232 October 10, 2009
by rusirius
Thermostat Logging 6 5580 October 09, 2009
by luke
Understanding transistors 6 5486 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 9150 October 07, 2009
by mikedoug
Currant booster 3 3304 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 4406 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 11456 August 27, 2009
by hevans
Which LED? 14 4077 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 4968 August 07, 2009
by mongo
pull up, pull down resistors 7 16028 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 9858 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 6034 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 5615 July 07, 2009
by sector0
Reset switch for circuit 3 3952 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 29809 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 4677 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 3928 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 4025 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 4584 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 3841 May 06, 2009
by paulip

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