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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 5304 July 27, 2019
by BobaMosfet
mosfet control during start up 5 6488 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 5286 April 12, 2016
by Ralphxyz
USBasp Help! 3 4186 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 6204 May 04, 2015
by mongo
Need to replace Wall Watt 16 3388 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 3536 April 10, 2015
by Noter
My new 3D Printer 44 18681 April 07, 2015
by Rick_S
AtMega 644 2 3708 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 2858 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 3279 June 02, 2014
by JKITSON
Automated programming mode? 9 3649 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 3303 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 3175 January 28, 2014
by lailai
What kind of error is this? 4 3232 January 23, 2014
by Noter
How to double a DC voltage? 20 9654 January 12, 2014
by JKITSON
Is the code the driver? 2 2899 January 12, 2014
by Ralphxyz
Miniature headers 6 3308 January 01, 2014
by Ralphxyz
BLDC 8 3273 December 23, 2013
by esoderberg
I need help finding a terminal. 17 3706 November 26, 2013
by Rick_S
GLCD SPI problems 14 7008 November 10, 2013
by andyi
Moving on... 7 3246 November 08, 2013
by Pr0ject
Power supply questions 4 4215 October 31, 2013
by sask55
OLED 4 2936 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 13655 September 22, 2013
by sask55
Opto Interrupter once again 14 7002 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 3152 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 9983 September 02, 2013
by Ralphxyz
USB cable specifications 7 4099 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 3468 August 27, 2013
by Affarram
XMEGA Breakout 8 3807 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 2918 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 3497 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 3496 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 9088 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 13667 June 18, 2013
by Noter
Two Wrongs Make it Right 3 2882 May 22, 2013
by meltbox360
accurate time for a real time clock 5 3365 April 08, 2013
by pcbolt
Using diode to drop voltage 12 62084 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 2797 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 3152 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 6347 March 14, 2013
by mongo
Current vs Voltage 8 3972 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 3895 March 09, 2013
by lnino
Electric current 2 2741 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 5611 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 7736 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 6947 February 28, 2013
by BobaMosfet
Control electronic door opener 15 3578 February 24, 2013
by lnino
Relay Question 27 6821 February 19, 2013
by Noter
Rotary Encoder how to?? 21 6289 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 4103 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 4093 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 3748 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 3369 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 3845 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 3362 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 4138 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 2882 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 2949 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 3237 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 8529 November 18, 2012
by carlhako
SPI slave clock 6 3521 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 3046 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 25827 October 23, 2012
by Noter
NPN circuit connection quandry 4 3602 September 24, 2012
by edb
Simple I/O circuit 4 3122 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 3040 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 2701 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 4845 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 3273 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 5493 September 13, 2012
by dan_engbers
Electronics simulation 8 3868 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 5773 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 3169 August 20, 2012
by rblalock
louder sound 2 2952 August 18, 2012
by mongo
connector or cable for LCD display? 4 3121 August 13, 2012
by missle3944
Powering L.E.Ds 5 3237 August 09, 2012
by BobaMosfet
Wires in U.K 5 3431 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 3493 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 5884 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 6156 July 25, 2012
by bretm
Stepper Motor Direction Control 12 3954 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 20882 July 21, 2012
by lnino
um help 6 2974 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 3770 July 18, 2012
by Ralphxyz
help me 11 3563 July 03, 2012
by Rick_S
Crystal Oscillator question 2 3064 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 4240 June 24, 2012
by Ralphxyz
HELP 3 2824 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 13296 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 2986 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 4591 June 17, 2012
by RogerFL
Programmable current source 6 4500 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 4376 June 11, 2012
by mongo
HELP 6 3154 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 3363 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 46201 May 24, 2012
by Ralphxyz
i need a code 8 3544 May 15, 2012
by pcbolt
Clock Accuracy 30 7799 May 14, 2012
by HexManiac
Relays and Controlling them 9 3435 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 3802 May 09, 2012
by RogerFL
Powering your NerdKit 7 3401 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 3335 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 6417 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 3607 April 24, 2012
by pcbolt
Programs will not run 6 3231 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 3837 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 3429 April 09, 2012
by Ralphxyz
Path Lights controller 2 3105 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 3240 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 3730 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 3413 April 01, 2012
by JamesFysh
Question on LCD screen 5 3307 March 30, 2012
by billtaichi
Is this Capaciator Good 4 3282 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 4505 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 3963 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 7489 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 3477 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 4231 March 15, 2012
by mongo
Digital servo issues! 9 3694 March 15, 2012
by Rick_S
Brushless motor control 16 4179 March 12, 2012
by hevans
Windows not detecting device 3 3124 March 10, 2012
by hevans
Voltage throught MCU 5 3089 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 18178 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 10254 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 17221 March 01, 2012
by hevans
Up and running... 3 2847 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 3440 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 3762 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 3106 February 24, 2012
by Rick_S
programming lcd trubs 7 3177 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 3841 February 18, 2012
by Rick_S
Oscilloscope 15 4996 February 18, 2012
by Osarus
How far away can a LM34 be? 16 9047 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 4382 February 14, 2012
by Ralphxyz
It's true, we forget... 18 3370 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 8976 February 09, 2012
by mongo
Data transmission 3 3876 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 3849 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 5035 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 3232 February 03, 2012
by BobaMosfet
connencting two ics to port 3 2943 January 31, 2012
by tchilzer2
H bridge questions 6 3625 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 3440 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 3713 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 3984 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 6862 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 3623 January 15, 2012
by Rick_S
Source of power? 19 3594 January 13, 2012
by mongo
symbol defined please? 4 3540 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 16278 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 3212 January 06, 2012
by boxvic
Basic LED circuit properties 8 3644 January 06, 2012
by boxvic
Getting Started 3 3202 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 4216 January 02, 2012
by bodangly
SMD reflow 16 4341 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 3402 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 3952 December 23, 2011
by BobaMosfet
Potentiometer 8 4365 December 23, 2011
by huzbum
Fun with Op-Amps 3 5078 December 22, 2011
by treymd
Do I need an H-Bridge? 14 4227 December 19, 2011
by n1cl3
Odessy of the minds 5 3627 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 3028 November 27, 2011
by sazD
Initial Load 2 3657 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 4090 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 4973 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 3689 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 8469 November 10, 2011
by jfbrink
Servo Squitter Project 13 3439 November 09, 2011
by Heed
how do i run a program 4 3031 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 3207 November 07, 2011
by Heed
Motor control question 2 3151 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 8030 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 3291 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 3273 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 89453 October 24, 2011
by glendon
Measuring Capacitance 9 4695 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 3438 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 4739 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 18908 October 16, 2011
by sask55
RxD / TxD Questions 10 6163 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 3486 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 3330 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 3351 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 3182 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 11230 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 4790 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 22491 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 10834 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 3036 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 6498 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 12012 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 7567 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 3911 September 01, 2011
by BobaMosfet
Dim LED 3 3050 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 3549 August 23, 2011
by Twarter369
Easy Transistor Question 4 4086 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 5522 August 18, 2011
by Ralphxyz
Building a coil?? 12 5690 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 3476 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 3101 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 2894 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 2911 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 22080 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 4248 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 3301 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 3346 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 3355 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 5932 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 3043 July 17, 2011
by codenamejupiterx
avr macpack 3 3268 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 3314 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 3382 July 13, 2011
by BobaMosfet
Battery clip wires 3 3025 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 2882 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 3151 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 3388 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 3723 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 21726 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 3319 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 3326 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 5365 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 3559 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 3628 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 3470 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 3788 June 06, 2011
by mja
A couple of questions 3 3189 June 06, 2011
by Ralphxyz
How much should I strip? 3 3123 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 3697 June 01, 2011
by hevans
Motor Control/MCU power bus 5 3197 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 3505 May 29, 2011
by Rick_S
Digital Input Question 4 3298 May 28, 2011
by frankdwest
PCB arrived 20 3236 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 3854 May 24, 2011
by gcharris
Calculating bypass capacitor 6 21200 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 3839 May 09, 2011
by Noter
IR current 6 3544 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 4319 May 04, 2011
by hariharan
Heat sensors 21 4509 May 04, 2011
by Hexorg
error 1 2 3089 May 02, 2011
by hevans
Transistor vs mosfet 13 11059 May 01, 2011
by Noter
PCB trace width calculator 3 4641 April 24, 2011
by esoderberg
OLED display 10 4035 April 23, 2011
by Rick_S
Power Supplies 17 4928 April 22, 2011
by BobBolinger
LCD & battery&USB 4 3171 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 3693 April 21, 2011
by Rick_S
ADC Theremin Help... 1 3073 April 20, 2011
by jasongillikin
RF and oscoliscope 2 3876 April 19, 2011
by mongo
Connecting to external control voltages 4 3277 April 19, 2011
by bretm
IR current question 7 3331 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 3908 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 4245 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 3593 April 10, 2011
by uml_12
Basic projects 3 3241 April 09, 2011
by mongo
REFLOW oven 22 6019 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 12361 April 07, 2011
by bretm
unexpected MCU rebooting 82 8051 April 05, 2011
by sask55
REFLOW Soldering 3 4008 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 3528 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 5730 March 30, 2011
by bretm
Black Display on LCD 6 3529 March 28, 2011
by Druidman
32kHz clock 2 3251 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 9663 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 9556 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 5254 March 16, 2011
by mongo
LCD problem 3 3606 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 4110 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 4300 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 3326 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 6491 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 4214 February 26, 2011
by amartinez
Why does my led light without the battery? 2 4172 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 10851 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 7400 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 4755 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 8086 February 19, 2011
by Lusitania
My first Impression 6 3531 February 16, 2011
by devinsbusiness
Understanding battery life 3 4793 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 4545 February 13, 2011
by sask55
Using Devices With Different Voltages 11 4140 February 05, 2011
by BobaMosfet
High voltage lines 26 6101 February 02, 2011
by mongo
USB 3 3303 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 4185 February 02, 2011
by Jalex
Alternating LED circuit 4 4073 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 5320 January 31, 2011
by il1019
Affordable oscilloscopes 43 13045 January 27, 2011
by BStory
"And"gate unfinished thought 2 3187 January 27, 2011
by Hexorg
replace MCU? 30 8111 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 3909 January 25, 2011
by Ralphxyz
Multimeter! 12 5914 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 4741 January 25, 2011
by Jalex
My LED Cube so far 25 9449 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 4627 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 3939 January 18, 2011
by dgikuljot
Counting 5 3141 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 7693 January 17, 2011
by bretm
Programming 5 3971 January 14, 2011
by Ralphxyz
Induction loop actuator 7 4282 January 11, 2011
by Yourself
Begining 7 4177 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 4781 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 4119 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 3401 January 09, 2011
by mrobbins
UART operating at 3.3V 1 3819 January 06, 2011
by Mujda
Data input voltage 6 4034 January 03, 2011
by Rick_S
MOSFET Question 7 4047 December 31, 2010
by Keyster
Transistor as a switch 5 3960 December 29, 2010
by Hexorg
Resistors 5 4292 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 9099 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 4286 December 28, 2010
by BobaMosfet
Relay ratings 2 3737 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 18544 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 3443 December 17, 2010
by mongo
Power Rectifier 7 3958 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 5943 December 14, 2010
by danuke
This a decent oscilloscope? 8 3979 December 14, 2010
by danuke
Do resistors in series really add up? 8 5151 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 4708 December 09, 2010
by bretm
L293 H-Bridge 15 5235 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 5300 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 5436 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 4582 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 5173 November 24, 2010
by BobaMosfet
Op-amp not working 6 5413 November 24, 2010
by BobaMosfet
Python questions 4 4511 November 21, 2010
by tkopriva
CE Amp design 5 3792 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 3913 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 3748 November 05, 2010
by Mujda
PC4 not working?! 8 3427 November 04, 2010
by hapshetsut
Amplifiers 4 3657 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 4478 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 4512 October 04, 2010
by Scythium
radio interference from NerdKit 11 3562 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 8184 September 14, 2010
by Ralphxyz
solar project with light sensors 7 4087 September 11, 2010
by akajester
QFP and dreadboard 2 3952 September 02, 2010
by bretm
Getting power to the spinning part... 5 4014 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 11132 August 30, 2010
by Ralphxyz
morse code decoder 2 4164 August 26, 2010
by jonathan_m
Connecting to Computer 3 4021 August 25, 2010
by awesome
555 astable on breadboard 12 5561 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 3668 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 4116 August 19, 2010
by hevans
mosfet 3 3492 August 13, 2010
by hevans
Good material on learning electronics. 8 4421 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 3352 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 5394 August 02, 2010
by mrobbins
More batteries = more voltage? 3 5134 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 8282 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 5502 July 02, 2010
by mongo
Electro Cardio Gram 4 4400 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 3439 June 12, 2010
by Wobbler
Voltage Regulator 20 4939 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 4656 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 5248 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 4966 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 4096 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 3390 June 06, 2010
by Kafke
TSSOP IC! 4 3954 June 03, 2010
by mrobbins
AVcc 2 4371 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 3525 May 31, 2010
by hevans
Cable Driver 2 3315 May 31, 2010
by mongo
Best 9V adapter to use 2 3667 May 28, 2010
by mongo
Unidirectional microphones 5 3988 May 27, 2010
by mongo
Servo question 3 3519 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 4079 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 4004 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 5496 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 9557 May 21, 2010
by hevans
Chinese Solenoid 15 3902 May 10, 2010
by treymd
avrisp mkii circuit 4 5168 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 3531 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 8434 May 07, 2010
by rajabalu21
Simple Power Switch 6 3648 May 05, 2010
by avicell
I can haz speed! 3 3763 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 5365 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 4292 April 21, 2010
by bretm
Help with choosing the right resistor 10 5280 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 8886 April 15, 2010
by bretm
Resistor 4 3297 April 15, 2010
by mongo
MCU digital input pins 3 3307 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 3716 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 9585 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 5598 March 28, 2010
by carlhako
Laptop ground safety question 3 3841 March 27, 2010
by ese
LM34 R-C Damper 5 5080 March 24, 2010
by BobaMosfet
NerdKits & USB 5 3924 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 3439 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 5402 March 23, 2010
by ese
constant system reset 3 3321 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 3942 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 4699 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 4315 March 17, 2010
by Frozenlock
What is -VS? 6 6904 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 5289 March 04, 2010
by treymd
Using MCU to connect two wires 3 4012 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 8316 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 3672 March 02, 2010
by Solorbob
Deciphering power resistors 11 4039 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 3462 March 01, 2010
by nrotstan
Understanding LEDs 16 6077 March 01, 2010
by michaeldallas
What's the part I need? 5 3569 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 10433 February 23, 2010
by rajabalu21
Too much power? 14 4388 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 4967 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 4703 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 11891 February 18, 2010
by Rick_S
Serial port interface circuit 2 4499 February 17, 2010
by mongo
OBDII project 3 3616 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 6878 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 6085 February 13, 2010
by BobaMosfet
Digital pots 5 3894 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 4013 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 5000 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 5466 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 6353 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 4203 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 5986 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 9434 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 4778 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 3982 December 27, 2009
by jgauthier
Servo Signal Noise 2 3463 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 6418 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 10224 December 10, 2009
by georgio
Relays and transistors 12 8160 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 7791 December 09, 2009
by Rick_S
IR Detector 7 7196 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 4569 November 19, 2009
by mikedoug
Debug with lcd 6 4544 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 4090 November 15, 2009
by tech20
Understanding output pin characteristics 4 3865 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 5686 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 4101 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 46062 October 30, 2009
by BobaMosfet
DIY header unit 2 4400 October 10, 2009
by rusirius
Thermostat Logging 6 5810 October 09, 2009
by luke
Understanding transistors 6 5676 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 9412 October 07, 2009
by mikedoug
Currant booster 3 3491 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 4591 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 11841 August 27, 2009
by hevans
Which LED? 14 4258 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 5145 August 07, 2009
by mongo
pull up, pull down resistors 7 16314 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 10232 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 6234 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 5822 July 07, 2009
by sector0
Reset switch for circuit 3 4139 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 30392 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 4946 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 4095 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 4200 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 4757 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 4008 May 06, 2009
by paulip

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