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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 4388 July 27, 2019
by BobaMosfet
mosfet control during start up 5 5968 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 4774 April 12, 2016
by Ralphxyz
USBasp Help! 3 3565 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 5451 May 04, 2015
by mongo
Need to replace Wall Watt 16 2669 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 3005 April 10, 2015
by Noter
My new 3D Printer 44 17876 April 07, 2015
by Rick_S
AtMega 644 2 3192 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 2379 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 2826 June 02, 2014
by JKITSON
Automated programming mode? 9 3166 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 2852 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 2646 January 28, 2014
by lailai
What kind of error is this? 4 2770 January 23, 2014
by Noter
How to double a DC voltage? 20 8613 January 12, 2014
by JKITSON
Is the code the driver? 2 2413 January 12, 2014
by Ralphxyz
Miniature headers 6 2867 January 01, 2014
by Ralphxyz
BLDC 8 2783 December 23, 2013
by esoderberg
I need help finding a terminal. 17 3154 November 26, 2013
by Rick_S
GLCD SPI problems 14 6399 November 10, 2013
by andyi
Moving on... 7 2813 November 08, 2013
by Pr0ject
Power supply questions 4 3461 October 31, 2013
by sask55
OLED 4 2487 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 12015 September 22, 2013
by sask55
Opto Interrupter once again 14 6152 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 2653 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 9218 September 02, 2013
by Ralphxyz
USB cable specifications 7 3246 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 3002 August 27, 2013
by Affarram
XMEGA Breakout 8 3230 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 2498 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 3020 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 3060 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 8462 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 12443 June 18, 2013
by Noter
Two Wrongs Make it Right 3 2455 May 22, 2013
by meltbox360
accurate time for a real time clock 5 2946 April 08, 2013
by pcbolt
Using diode to drop voltage 12 58130 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 2369 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 2659 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 5194 March 14, 2013
by mongo
Current vs Voltage 8 3534 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 3411 March 09, 2013
by lnino
Electric current 2 2307 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 5142 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 6545 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 6144 February 28, 2013
by BobaMosfet
Control electronic door opener 15 3083 February 24, 2013
by lnino
Relay Question 27 6217 February 19, 2013
by Noter
Rotary Encoder how to?? 21 5393 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 3566 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 3641 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 3255 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 2914 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 3385 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 2919 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 3650 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 2466 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 2529 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 2768 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 7961 November 18, 2012
by carlhako
SPI slave clock 6 3068 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 2651 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 23284 October 23, 2012
by Noter
NPN circuit connection quandry 4 3170 September 24, 2012
by edb
Simple I/O circuit 4 2681 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 2619 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 2256 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 4251 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 2849 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 4931 September 13, 2012
by dan_engbers
Electronics simulation 8 3395 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 5307 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 2732 August 20, 2012
by rblalock
louder sound 2 2555 August 18, 2012
by mongo
connector or cable for LCD display? 4 2676 August 13, 2012
by missle3944
Powering L.E.Ds 5 2818 August 09, 2012
by BobaMosfet
Wires in U.K 5 2930 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 3031 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 5104 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 5654 July 25, 2012
by bretm
Stepper Motor Direction Control 12 3425 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 19870 July 21, 2012
by lnino
um help 6 2588 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 3328 July 18, 2012
by Ralphxyz
help me 11 3093 July 03, 2012
by Rick_S
Crystal Oscillator question 2 2610 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 3656 June 24, 2012
by Ralphxyz
HELP 3 2402 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 12707 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 2549 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 3776 June 17, 2012
by RogerFL
Programmable current source 6 3838 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 3935 June 11, 2012
by mongo
HELP 6 2732 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 2970 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 43544 May 24, 2012
by Ralphxyz
i need a code 8 3123 May 15, 2012
by pcbolt
Clock Accuracy 30 6866 May 14, 2012
by HexManiac
Relays and Controlling them 9 3015 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 3351 May 09, 2012
by RogerFL
Powering your NerdKit 7 2946 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 2867 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 5882 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 3127 April 24, 2012
by pcbolt
Programs will not run 6 2794 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 3373 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 2986 April 09, 2012
by Ralphxyz
Path Lights controller 2 2682 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 2846 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 3318 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 3019 April 01, 2012
by JamesFysh
Question on LCD screen 5 2891 March 30, 2012
by billtaichi
Is this Capaciator Good 4 2876 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 4104 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 3490 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 6880 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 3036 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 3645 March 15, 2012
by mongo
Digital servo issues! 9 3273 March 15, 2012
by Rick_S
Brushless motor control 16 3635 March 12, 2012
by hevans
Windows not detecting device 3 2663 March 10, 2012
by hevans
Voltage throught MCU 5 2671 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 17488 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 9688 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 14748 March 01, 2012
by hevans
Up and running... 3 2447 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 2979 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 3299 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 2697 February 24, 2012
by Rick_S
programming lcd trubs 7 2775 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 3424 February 18, 2012
by Rick_S
Oscilloscope 15 4535 February 18, 2012
by Osarus
How far away can a LM34 be? 16 8259 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 3961 February 14, 2012
by Ralphxyz
It's true, we forget... 18 2940 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 7708 February 09, 2012
by mongo
Data transmission 3 3303 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 3388 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 4502 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 2805 February 03, 2012
by BobaMosfet
connencting two ics to port 3 2484 January 31, 2012
by tchilzer2
H bridge questions 6 3209 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 3015 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 3287 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 3546 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 6336 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 3191 January 15, 2012
by Rick_S
Source of power? 19 3165 January 13, 2012
by mongo
symbol defined please? 4 3118 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 15390 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 2768 January 06, 2012
by boxvic
Basic LED circuit properties 8 3190 January 06, 2012
by boxvic
Getting Started 3 2790 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 3745 January 02, 2012
by bodangly
SMD reflow 16 3886 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 2969 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 3508 December 23, 2011
by BobaMosfet
Potentiometer 8 3690 December 23, 2011
by huzbum
Fun with Op-Amps 3 4576 December 22, 2011
by treymd
Do I need an H-Bridge? 14 3488 December 19, 2011
by n1cl3
Odessy of the minds 5 3209 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 2619 November 27, 2011
by sazD
Initial Load 2 3158 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 3525 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 4491 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 3288 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 7717 November 10, 2011
by jfbrink
Servo Squitter Project 13 3001 November 09, 2011
by Heed
how do i run a program 4 2625 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 2805 November 07, 2011
by Heed
Motor control question 2 2731 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 7063 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 2892 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 2880 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 81850 October 24, 2011
by glendon
Measuring Capacitance 9 4236 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 3030 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 4270 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 17180 October 16, 2011
by sask55
RxD / TxD Questions 10 5617 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 3082 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 2908 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 2680 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 2790 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 9974 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 4307 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 21691 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 9342 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 2656 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 6032 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 11137 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 7117 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 3426 September 01, 2011
by BobaMosfet
Dim LED 3 2679 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 3165 August 23, 2011
by Twarter369
Easy Transistor Question 4 3608 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 4806 August 18, 2011
by Ralphxyz
Building a coil?? 12 5257 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 3081 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 2732 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 2507 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 2516 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 21181 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 3801 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 2898 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 2951 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 2947 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 5218 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 2675 July 17, 2011
by codenamejupiterx
avr macpack 3 2878 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 2934 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 2919 July 13, 2011
by BobaMosfet
Battery clip wires 3 2664 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 2531 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 2780 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 3037 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 3302 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 18527 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 2972 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 2840 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 4914 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 3203 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 3274 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 3051 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 3371 June 06, 2011
by mja
A couple of questions 3 2762 June 06, 2011
by Ralphxyz
How much should I strip? 3 2577 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 3247 June 01, 2011
by hevans
Motor Control/MCU power bus 5 2855 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 3157 May 29, 2011
by Rick_S
Digital Input Question 4 2948 May 28, 2011
by frankdwest
PCB arrived 20 2880 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 3471 May 24, 2011
by gcharris
Calculating bypass capacitor 6 19299 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 3483 May 09, 2011
by Noter
IR current 6 3194 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 3935 May 04, 2011
by hariharan
Heat sensors 21 4139 May 04, 2011
by Hexorg
error 1 2 2756 May 02, 2011
by hevans
Transistor vs mosfet 13 10631 May 01, 2011
by Noter
PCB trace width calculator 3 4201 April 24, 2011
by esoderberg
OLED display 10 3448 April 23, 2011
by Rick_S
Power Supplies 17 4530 April 22, 2011
by BobBolinger
LCD & battery&USB 4 2821 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 3278 April 21, 2011
by Rick_S
ADC Theremin Help... 1 2707 April 20, 2011
by jasongillikin
RF and oscoliscope 2 3329 April 19, 2011
by mongo
Connecting to external control voltages 4 2944 April 19, 2011
by bretm
IR current question 7 2938 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 3554 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 3869 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 3245 April 10, 2011
by uml_12
Basic projects 3 2881 April 09, 2011
by mongo
REFLOW oven 22 5555 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 11312 April 07, 2011
by bretm
unexpected MCU rebooting 82 7416 April 05, 2011
by sask55
REFLOW Soldering 3 3591 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 3167 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 5314 March 30, 2011
by bretm
Black Display on LCD 6 3195 March 28, 2011
by Druidman
32kHz clock 2 2873 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 8819 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 8457 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 4819 March 16, 2011
by mongo
LCD problem 3 3215 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 3731 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 3917 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 2965 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 5693 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 3842 February 26, 2011
by amartinez
Why does my led light without the battery? 2 3824 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 10018 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 6955 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 4307 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 7663 February 19, 2011
by Lusitania
My first Impression 6 3183 February 16, 2011
by devinsbusiness
Understanding battery life 3 4408 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 4158 February 13, 2011
by sask55
Using Devices With Different Voltages 11 3755 February 05, 2011
by BobaMosfet
High voltage lines 26 5645 February 02, 2011
by mongo
USB 3 2941 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 3800 February 02, 2011
by Jalex
Alternating LED circuit 4 3624 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 4664 January 31, 2011
by il1019
Affordable oscilloscopes 43 12369 January 27, 2011
by BStory
"And"gate unfinished thought 2 2823 January 27, 2011
by Hexorg
replace MCU? 30 7651 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 3531 January 25, 2011
by Ralphxyz
Multimeter! 12 5431 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 4352 January 25, 2011
by Jalex
My LED Cube so far 25 8894 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 4224 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 3550 January 18, 2011
by dgikuljot
Counting 5 2747 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 7140 January 17, 2011
by bretm
Programming 5 3590 January 14, 2011
by Ralphxyz
Induction loop actuator 7 3920 January 11, 2011
by Yourself
Begining 7 3598 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 4404 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 3777 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 3041 January 09, 2011
by mrobbins
UART operating at 3.3V 1 3430 January 06, 2011
by Mujda
Data input voltage 6 3678 January 03, 2011
by Rick_S
MOSFET Question 7 3663 December 31, 2010
by Keyster
Transistor as a switch 5 3581 December 29, 2010
by Hexorg
Resistors 5 3907 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 8628 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 3824 December 28, 2010
by BobaMosfet
Relay ratings 2 3356 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 17734 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 3078 December 17, 2010
by mongo
Power Rectifier 7 3577 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 5265 December 14, 2010
by danuke
This a decent oscilloscope? 8 3621 December 14, 2010
by danuke
Do resistors in series really add up? 8 4754 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 4287 December 09, 2010
by bretm
L293 H-Bridge 15 4792 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 4520 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 4998 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 4189 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 4769 November 24, 2010
by BobaMosfet
Op-amp not working 6 4990 November 24, 2010
by BobaMosfet
Python questions 4 4148 November 21, 2010
by tkopriva
CE Amp design 5 3368 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 3536 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 3375 November 05, 2010
by Mujda
PC4 not working?! 8 3065 November 04, 2010
by hapshetsut
Amplifiers 4 3282 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 4096 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 4115 October 04, 2010
by Scythium
radio interference from NerdKit 11 3160 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 7667 September 14, 2010
by Ralphxyz
solar project with light sensors 7 3697 September 11, 2010
by akajester
QFP and dreadboard 2 3567 September 02, 2010
by bretm
Getting power to the spinning part... 5 3666 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 10252 August 30, 2010
by Ralphxyz
morse code decoder 2 3817 August 26, 2010
by jonathan_m
Connecting to Computer 3 3638 August 25, 2010
by awesome
555 astable on breadboard 12 5194 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 3251 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 3755 August 19, 2010
by hevans
mosfet 3 3135 August 13, 2010
by hevans
Good material on learning electronics. 8 3952 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 3017 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 4706 August 02, 2010
by mrobbins
More batteries = more voltage? 3 4733 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 7752 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 5071 July 02, 2010
by mongo
Electro Cardio Gram 4 4035 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 3080 June 12, 2010
by Wobbler
Voltage Regulator 20 4563 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 4279 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 4818 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 4579 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 3731 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 3057 June 06, 2010
by Kafke
TSSOP IC! 4 3558 June 03, 2010
by mrobbins
AVcc 2 4002 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 3175 May 31, 2010
by hevans
Cable Driver 2 2974 May 31, 2010
by mongo
Best 9V adapter to use 2 3302 May 28, 2010
by mongo
Unidirectional microphones 5 3556 May 27, 2010
by mongo
Servo question 3 3148 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 3627 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 3603 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 4974 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 8510 May 21, 2010
by hevans
Chinese Solenoid 15 3465 May 10, 2010
by treymd
avrisp mkii circuit 4 4774 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 3187 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 7951 May 07, 2010
by rajabalu21
Simple Power Switch 6 3226 May 05, 2010
by avicell
I can haz speed! 3 3386 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 4951 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 3941 April 21, 2010
by bretm
Help with choosing the right resistor 10 4877 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 7744 April 15, 2010
by bretm
Resistor 4 2936 April 15, 2010
by mongo
MCU digital input pins 3 2926 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 3350 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 9037 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 5222 March 28, 2010
by carlhako
Laptop ground safety question 3 3455 March 27, 2010
by ese
LM34 R-C Damper 5 4396 March 24, 2010
by BobaMosfet
NerdKits & USB 5 3533 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 3070 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 5012 March 23, 2010
by ese
constant system reset 3 2950 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 3500 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 4273 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 3950 March 17, 2010
by Frozenlock
What is -VS? 6 6044 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 4879 March 04, 2010
by treymd
Using MCU to connect two wires 3 3556 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 7792 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 3277 March 02, 2010
by Solorbob
Deciphering power resistors 11 3629 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 3099 March 01, 2010
by nrotstan
Understanding LEDs 16 5350 March 01, 2010
by michaeldallas
What's the part I need? 5 3213 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 9961 February 23, 2010
by rajabalu21
Too much power? 14 4019 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 4580 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 4124 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 11151 February 18, 2010
by Rick_S
Serial port interface circuit 2 4125 February 17, 2010
by mongo
OBDII project 3 3266 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 6166 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 5643 February 13, 2010
by BobaMosfet
Digital pots 5 3509 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 3627 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 4573 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 4886 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 5807 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 3607 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 5536 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 8833 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 4394 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 3601 December 27, 2009
by jgauthier
Servo Signal Noise 2 3103 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 5909 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 9838 December 10, 2009
by georgio
Relays and transistors 12 7730 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 6984 December 09, 2009
by Rick_S
IR Detector 7 6396 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 4140 November 19, 2009
by mikedoug
Debug with lcd 6 4169 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 3724 November 15, 2009
by tech20
Understanding output pin characteristics 4 3485 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 5271 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 3709 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 44996 October 30, 2009
by BobaMosfet
DIY header unit 2 4036 October 10, 2009
by rusirius
Thermostat Logging 6 5296 October 09, 2009
by luke
Understanding transistors 6 5207 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 8831 October 07, 2009
by mikedoug
Currant booster 3 3081 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 4199 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 11024 August 27, 2009
by hevans
Which LED? 14 3870 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 4775 August 07, 2009
by mongo
pull up, pull down resistors 7 15803 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 9501 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 5835 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 5398 July 07, 2009
by sector0
Reset switch for circuit 3 3746 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 29224 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 4398 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 3714 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 3795 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 4392 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 3649 May 06, 2009
by paulip

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