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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 4594 July 27, 2019
by BobaMosfet
mosfet control during start up 5 6040 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 4843 April 12, 2016
by Ralphxyz
USBasp Help! 3 3647 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 5536 May 04, 2015
by mongo
Need to replace Wall Watt 16 2737 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 3072 April 10, 2015
by Noter
My new 3D Printer 44 17970 April 07, 2015
by Rick_S
AtMega 644 2 3255 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 2446 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 2896 June 02, 2014
by JKITSON
Automated programming mode? 9 3231 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 2917 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 2722 January 28, 2014
by lailai
What kind of error is this? 4 2827 January 23, 2014
by Noter
How to double a DC voltage? 20 8714 January 12, 2014
by JKITSON
Is the code the driver? 2 2471 January 12, 2014
by Ralphxyz
Miniature headers 6 2928 January 01, 2014
by Ralphxyz
BLDC 8 2847 December 23, 2013
by esoderberg
I need help finding a terminal. 17 3218 November 26, 2013
by Rick_S
GLCD SPI problems 14 6476 November 10, 2013
by andyi
Moving on... 7 2869 November 08, 2013
by Pr0ject
Power supply questions 4 3535 October 31, 2013
by sask55
OLED 4 2546 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 12294 September 22, 2013
by sask55
Opto Interrupter once again 14 6249 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 2719 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 9307 September 02, 2013
by Ralphxyz
USB cable specifications 7 3420 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 3062 August 27, 2013
by Affarram
XMEGA Breakout 8 3285 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 2548 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 3077 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 3114 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 8546 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 12696 June 18, 2013
by Noter
Two Wrongs Make it Right 3 2512 May 22, 2013
by meltbox360
accurate time for a real time clock 5 2999 April 08, 2013
by pcbolt
Using diode to drop voltage 12 59085 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 2424 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 2718 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 5288 March 14, 2013
by mongo
Current vs Voltage 8 3598 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 3478 March 09, 2013
by lnino
Electric current 2 2360 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 5207 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 6663 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 6272 February 28, 2013
by BobaMosfet
Control electronic door opener 15 3153 February 24, 2013
by lnino
Relay Question 27 6312 February 19, 2013
by Noter
Rotary Encoder how to?? 21 5512 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 3647 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 3705 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 3334 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 2977 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 3465 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 2987 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 3704 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 2522 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 2591 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 2832 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 8015 November 18, 2012
by carlhako
SPI slave clock 6 3125 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 2697 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 23537 October 23, 2012
by Noter
NPN circuit connection quandry 4 3229 September 24, 2012
by edb
Simple I/O circuit 4 2739 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 2668 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 2312 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 4318 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 2908 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 4998 September 13, 2012
by dan_engbers
Electronics simulation 8 3460 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 5375 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 2788 August 20, 2012
by rblalock
louder sound 2 2608 August 18, 2012
by mongo
connector or cable for LCD display? 4 2736 August 13, 2012
by missle3944
Powering L.E.Ds 5 2875 August 09, 2012
by BobaMosfet
Wires in U.K 5 2987 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 3087 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 5179 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 5740 July 25, 2012
by bretm
Stepper Motor Direction Control 12 3490 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 19977 July 21, 2012
by lnino
um help 6 2640 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 3397 July 18, 2012
by Ralphxyz
help me 11 3172 July 03, 2012
by Rick_S
Crystal Oscillator question 2 2667 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 3722 June 24, 2012
by Ralphxyz
HELP 3 2464 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 12798 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 2598 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 3837 June 17, 2012
by RogerFL
Programmable current source 6 3903 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 3998 June 11, 2012
by mongo
HELP 6 2791 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 3023 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 44112 May 24, 2012
by Ralphxyz
i need a code 8 3180 May 15, 2012
by pcbolt
Clock Accuracy 30 6959 May 14, 2012
by HexManiac
Relays and Controlling them 9 3066 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 3416 May 09, 2012
by RogerFL
Powering your NerdKit 7 2999 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 2926 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 5978 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 3188 April 24, 2012
by pcbolt
Programs will not run 6 2848 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 3440 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 3043 April 09, 2012
by Ralphxyz
Path Lights controller 2 2731 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 2899 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 3375 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 3070 April 01, 2012
by JamesFysh
Question on LCD screen 5 2943 March 30, 2012
by billtaichi
Is this Capaciator Good 4 2930 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 4157 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 3550 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 6983 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 3098 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 3737 March 15, 2012
by mongo
Digital servo issues! 9 3330 March 15, 2012
by Rick_S
Brushless motor control 16 3699 March 12, 2012
by hevans
Windows not detecting device 3 2717 March 10, 2012
by hevans
Voltage throught MCU 5 2719 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 17605 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 9776 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 15198 March 01, 2012
by hevans
Up and running... 3 2497 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 3043 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 3364 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 2747 February 24, 2012
by Rick_S
programming lcd trubs 7 2829 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 3480 February 18, 2012
by Rick_S
Oscilloscope 15 4607 February 18, 2012
by Osarus
How far away can a LM34 be? 16 8341 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 4011 February 14, 2012
by Ralphxyz
It's true, we forget... 18 2993 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 7850 February 09, 2012
by mongo
Data transmission 3 3355 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 3451 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 4559 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 2869 February 03, 2012
by BobaMosfet
connencting two ics to port 3 2539 January 31, 2012
by tchilzer2
H bridge questions 6 3261 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 3070 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 3347 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 3606 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 6433 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 3251 January 15, 2012
by Rick_S
Source of power? 19 3231 January 13, 2012
by mongo
symbol defined please? 4 3177 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 15551 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 2830 January 06, 2012
by boxvic
Basic LED circuit properties 8 3246 January 06, 2012
by boxvic
Getting Started 3 2854 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 3806 January 02, 2012
by bodangly
SMD reflow 16 3940 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 3026 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 3562 December 23, 2011
by BobaMosfet
Potentiometer 8 3775 December 23, 2011
by huzbum
Fun with Op-Amps 3 4644 December 22, 2011
by treymd
Do I need an H-Bridge? 14 3566 December 19, 2011
by n1cl3
Odessy of the minds 5 3258 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 2669 November 27, 2011
by sazD
Initial Load 2 3206 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 3586 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 4558 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 3337 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 7854 November 10, 2011
by jfbrink
Servo Squitter Project 13 3052 November 09, 2011
by Heed
how do i run a program 4 2678 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 2861 November 07, 2011
by Heed
Motor control question 2 2786 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 7201 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 2939 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 2931 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 83511 October 24, 2011
by glendon
Measuring Capacitance 9 4304 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 3086 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 4332 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 17418 October 16, 2011
by sask55
RxD / TxD Questions 10 5699 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 3139 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 2965 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 2744 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 2839 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 10161 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 4375 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 21799 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 9643 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 2709 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 6092 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 11268 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 7188 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 3494 September 01, 2011
by BobaMosfet
Dim LED 3 2727 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 3217 August 23, 2011
by Twarter369
Easy Transistor Question 4 3664 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 4861 August 18, 2011
by Ralphxyz
Building a coil?? 12 5319 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 3133 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 2783 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 2555 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 2575 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 21268 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 3859 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 2944 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 3013 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 3001 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 5310 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 2731 July 17, 2011
by codenamejupiterx
avr macpack 3 2928 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 2993 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 2973 July 13, 2011
by BobaMosfet
Battery clip wires 3 2715 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 2579 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 2832 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 3091 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 3351 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 19051 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 3022 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 2895 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 4979 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 3254 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 3325 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 3105 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 3433 June 06, 2011
by mja
A couple of questions 3 2834 June 06, 2011
by Ralphxyz
How much should I strip? 3 2627 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 3300 June 01, 2011
by hevans
Motor Control/MCU power bus 5 2903 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 3207 May 29, 2011
by Rick_S
Digital Input Question 4 2998 May 28, 2011
by frankdwest
PCB arrived 20 2929 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 3522 May 24, 2011
by gcharris
Calculating bypass capacitor 6 19592 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 3532 May 09, 2011
by Noter
IR current 6 3245 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 3991 May 04, 2011
by hariharan
Heat sensors 21 4192 May 04, 2011
by Hexorg
error 1 2 2807 May 02, 2011
by hevans
Transistor vs mosfet 13 10701 May 01, 2011
by Noter
PCB trace width calculator 3 4254 April 24, 2011
by esoderberg
OLED display 10 3508 April 23, 2011
by Rick_S
Power Supplies 17 4592 April 22, 2011
by BobBolinger
LCD & battery&USB 4 2870 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 3338 April 21, 2011
by Rick_S
ADC Theremin Help... 1 2760 April 20, 2011
by jasongillikin
RF and oscoliscope 2 3389 April 19, 2011
by mongo
Connecting to external control voltages 4 2990 April 19, 2011
by bretm
IR current question 7 2989 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 3610 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 3927 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 3301 April 10, 2011
by uml_12
Basic projects 3 2929 April 09, 2011
by mongo
REFLOW oven 22 5630 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 11467 April 07, 2011
by bretm
unexpected MCU rebooting 82 7494 April 05, 2011
by sask55
REFLOW Soldering 3 3649 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 3221 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 5365 March 30, 2011
by bretm
Black Display on LCD 6 3245 March 28, 2011
by Druidman
32kHz clock 2 2921 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 8902 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 8578 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 4882 March 16, 2011
by mongo
LCD problem 3 3273 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 3788 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 3971 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 3019 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 5824 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 3891 February 26, 2011
by amartinez
Why does my led light without the battery? 2 3881 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 10079 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 7012 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 4358 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 7731 February 19, 2011
by Lusitania
My first Impression 6 3232 February 16, 2011
by devinsbusiness
Understanding battery life 3 4465 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 4220 February 13, 2011
by sask55
Using Devices With Different Voltages 11 3818 February 05, 2011
by BobaMosfet
High voltage lines 26 5702 February 02, 2011
by mongo
USB 3 2989 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 3862 February 02, 2011
by Jalex
Alternating LED circuit 4 3675 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 4731 January 31, 2011
by il1019
Affordable oscilloscopes 43 12445 January 27, 2011
by BStory
"And"gate unfinished thought 2 2869 January 27, 2011
by Hexorg
replace MCU? 30 7722 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 3587 January 25, 2011
by Ralphxyz
Multimeter! 12 5499 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 4406 January 25, 2011
by Jalex
My LED Cube so far 25 8973 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 4277 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 3609 January 18, 2011
by dgikuljot
Counting 5 2802 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 7221 January 17, 2011
by bretm
Programming 5 3638 January 14, 2011
by Ralphxyz
Induction loop actuator 7 3970 January 11, 2011
by Yourself
Begining 7 3659 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 4461 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 3828 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 3091 January 09, 2011
by mrobbins
UART operating at 3.3V 1 3485 January 06, 2011
by Mujda
Data input voltage 6 3733 January 03, 2011
by Rick_S
MOSFET Question 7 3711 December 31, 2010
by Keyster
Transistor as a switch 5 3643 December 29, 2010
by Hexorg
Resistors 5 3959 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 8687 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 3888 December 28, 2010
by BobaMosfet
Relay ratings 2 3413 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 17900 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 3130 December 17, 2010
by mongo
Power Rectifier 7 3634 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 5348 December 14, 2010
by danuke
This a decent oscilloscope? 8 3672 December 14, 2010
by danuke
Do resistors in series really add up? 8 4810 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 4340 December 09, 2010
by bretm
L293 H-Bridge 15 4865 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 4590 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 5062 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 4241 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 4833 November 24, 2010
by BobaMosfet
Op-amp not working 6 5055 November 24, 2010
by BobaMosfet
Python questions 4 4203 November 21, 2010
by tkopriva
CE Amp design 5 3428 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 3589 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 3426 November 05, 2010
by Mujda
PC4 not working?! 8 3114 November 04, 2010
by hapshetsut
Amplifiers 4 3337 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 4151 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 4173 October 04, 2010
by Scythium
radio interference from NerdKit 11 3224 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 7739 September 14, 2010
by Ralphxyz
solar project with light sensors 7 3754 September 11, 2010
by akajester
QFP and dreadboard 2 3624 September 02, 2010
by bretm
Getting power to the spinning part... 5 3716 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 10323 August 30, 2010
by Ralphxyz
morse code decoder 2 3871 August 26, 2010
by jonathan_m
Connecting to Computer 3 3719 August 25, 2010
by awesome
555 astable on breadboard 12 5247 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 3309 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 3805 August 19, 2010
by hevans
mosfet 3 3185 August 13, 2010
by hevans
Good material on learning electronics. 8 4023 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 3069 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 4765 August 02, 2010
by mrobbins
More batteries = more voltage? 3 4792 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 7834 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 5128 July 02, 2010
by mongo
Electro Cardio Gram 4 4089 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 3129 June 12, 2010
by Wobbler
Voltage Regulator 20 4610 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 4334 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 4881 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 4632 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 3781 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 3114 June 06, 2010
by Kafke
TSSOP IC! 4 3615 June 03, 2010
by mrobbins
AVcc 2 4048 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 3226 May 31, 2010
by hevans
Cable Driver 2 3027 May 31, 2010
by mongo
Best 9V adapter to use 2 3354 May 28, 2010
by mongo
Unidirectional microphones 5 3610 May 27, 2010
by mongo
Servo question 3 3196 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 3679 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 3666 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 5047 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 8635 May 21, 2010
by hevans
Chinese Solenoid 15 3523 May 10, 2010
by treymd
avrisp mkii circuit 4 4821 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 3233 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 8024 May 07, 2010
by rajabalu21
Simple Power Switch 6 3282 May 05, 2010
by avicell
I can haz speed! 3 3435 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 5010 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 3994 April 21, 2010
by bretm
Help with choosing the right resistor 10 4943 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 7898 April 15, 2010
by bretm
Resistor 4 2987 April 15, 2010
by mongo
MCU digital input pins 3 2980 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 3410 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 9103 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 5285 March 28, 2010
by carlhako
Laptop ground safety question 3 3509 March 27, 2010
by ese
LM34 R-C Damper 5 4466 March 24, 2010
by BobaMosfet
NerdKits & USB 5 3587 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 3117 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 5074 March 23, 2010
by ese
constant system reset 3 3003 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 3567 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 4336 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 4011 March 17, 2010
by Frozenlock
What is -VS? 6 6177 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 4947 March 04, 2010
by treymd
Using MCU to connect two wires 3 3607 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 7879 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 3329 March 02, 2010
by Solorbob
Deciphering power resistors 11 3685 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 3151 March 01, 2010
by nrotstan
Understanding LEDs 16 5424 March 01, 2010
by michaeldallas
What's the part I need? 5 3265 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 10030 February 23, 2010
by rajabalu21
Too much power? 14 4078 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 4634 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 4213 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 11282 February 18, 2010
by Rick_S
Serial port interface circuit 2 4172 February 17, 2010
by mongo
OBDII project 3 3315 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 6257 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 5705 February 13, 2010
by BobaMosfet
Digital pots 5 3563 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 3688 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 4621 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 4965 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 5891 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 3664 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 5612 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 8936 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 4464 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 3660 December 27, 2009
by jgauthier
Servo Signal Noise 2 3150 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 5980 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 9899 December 10, 2009
by georgio
Relays and transistors 12 7794 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 7074 December 09, 2009
by Rick_S
IR Detector 7 6536 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 4209 November 19, 2009
by mikedoug
Debug with lcd 6 4233 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 3777 November 15, 2009
by tech20
Understanding output pin characteristics 4 3539 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 5341 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 3774 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 45130 October 30, 2009
by BobaMosfet
DIY header unit 2 4103 October 10, 2009
by rusirius
Thermostat Logging 6 5368 October 09, 2009
by luke
Understanding transistors 6 5277 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 8908 October 07, 2009
by mikedoug
Currant booster 3 3150 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 4262 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 11147 August 27, 2009
by hevans
Which LED? 14 3931 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 4828 August 07, 2009
by mongo
pull up, pull down resistors 7 15870 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 9595 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 5890 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 5468 July 07, 2009
by sector0
Reset switch for circuit 3 3814 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 29377 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 4468 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 3771 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 3859 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 4455 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 3709 May 06, 2009
by paulip

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