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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 7012 July 27, 2019
by BobaMosfet
mosfet control during start up 5 7316 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6100 April 12, 2016
by Ralphxyz
USBasp Help! 3 4997 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 7091 May 04, 2015
by mongo
Need to replace Wall Watt 16 4480 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4240 April 10, 2015
by Noter
My new 3D Printer 44 19684 April 07, 2015
by Rick_S
AtMega 644 2 4342 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 3465 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 3951 June 02, 2014
by JKITSON
Automated programming mode? 9 4339 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 3969 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 3828 January 28, 2014
by lailai
What kind of error is this? 4 3851 January 23, 2014
by Noter
How to double a DC voltage? 20 10988 January 12, 2014
by JKITSON
Is the code the driver? 2 3513 January 12, 2014
by Ralphxyz
Miniature headers 6 3957 January 01, 2014
by Ralphxyz
BLDC 8 3929 December 23, 2013
by esoderberg
I need help finding a terminal. 17 4401 November 26, 2013
by Rick_S
GLCD SPI problems 14 7792 November 10, 2013
by andyi
Moving on... 7 3822 November 08, 2013
by Pr0ject
Power supply questions 4 5169 October 31, 2013
by sask55
OLED 4 3525 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 15121 September 22, 2013
by sask55
Opto Interrupter once again 14 7973 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 3932 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 10731 September 02, 2013
by Ralphxyz
USB cable specifications 7 5149 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 4332 August 27, 2013
by Affarram
XMEGA Breakout 8 4724 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 3520 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4182 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4228 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 10080 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 14788 June 18, 2013
by Noter
Two Wrongs Make it Right 3 3462 May 22, 2013
by meltbox360
accurate time for a real time clock 5 3993 April 08, 2013
by pcbolt
Using diode to drop voltage 12 64517 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3369 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 3726 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 7714 March 14, 2013
by mongo
Current vs Voltage 8 4669 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 4529 March 09, 2013
by lnino
Electric current 2 3287 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6259 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 8716 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 8086 February 28, 2013
by BobaMosfet
Control electronic door opener 15 4368 February 24, 2013
by lnino
Relay Question 27 7523 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7217 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 4771 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 4742 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 4376 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 3983 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 4569 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 3938 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 4761 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 3454 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 3501 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4007 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 9233 November 18, 2012
by carlhako
SPI slave clock 6 4174 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 3593 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 29188 October 23, 2012
by Noter
NPN circuit connection quandry 4 4191 September 24, 2012
by edb
Simple I/O circuit 4 3814 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 3581 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3286 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 5852 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 3854 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6121 September 13, 2012
by dan_engbers
Electronics simulation 8 4452 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 6529 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 3751 August 20, 2012
by rblalock
louder sound 2 3511 August 18, 2012
by mongo
connector or cable for LCD display? 4 3687 August 13, 2012
by missle3944
Powering L.E.Ds 5 3837 August 09, 2012
by BobaMosfet
Wires in U.K 5 4371 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4250 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7025 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 6839 July 25, 2012
by bretm
Stepper Motor Direction Control 12 4617 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22000 July 21, 2012
by lnino
um help 6 3525 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4371 July 18, 2012
by Ralphxyz
help me 11 4179 July 03, 2012
by Rick_S
Crystal Oscillator question 2 3622 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 4861 June 24, 2012
by Ralphxyz
HELP 3 3427 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14095 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 3539 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5368 June 17, 2012
by RogerFL
Programmable current source 6 5192 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 4992 June 11, 2012
by mongo
HELP 6 3700 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 3993 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 48835 May 24, 2012
by Ralphxyz
i need a code 8 4114 May 15, 2012
by pcbolt
Clock Accuracy 30 8696 May 14, 2012
by HexManiac
Relays and Controlling them 9 4021 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4344 May 09, 2012
by RogerFL
Powering your NerdKit 7 3959 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 3872 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7077 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4380 April 24, 2012
by pcbolt
Programs will not run 6 3795 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 4463 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4176 April 09, 2012
by Ralphxyz
Path Lights controller 2 3683 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 3804 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4326 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 3941 April 01, 2012
by JamesFysh
Question on LCD screen 5 3940 March 30, 2012
by billtaichi
Is this Capaciator Good 4 3879 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5119 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 4723 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 8414 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4036 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5084 March 15, 2012
by mongo
Digital servo issues! 9 4482 March 15, 2012
by Rick_S
Brushless motor control 16 4870 March 12, 2012
by hevans
Windows not detecting device 3 3691 March 10, 2012
by hevans
Voltage throught MCU 5 3633 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 19114 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11001 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 19740 March 01, 2012
by hevans
Up and running... 3 3395 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4072 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 4368 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 3687 February 24, 2012
by Rick_S
programming lcd trubs 7 3733 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 4451 February 18, 2012
by Rick_S
Oscilloscope 15 5626 February 18, 2012
by Osarus
How far away can a LM34 be? 16 9882 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 4924 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4092 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 10265 February 09, 2012
by mongo
Data transmission 3 4684 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 4445 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 5919 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 3860 February 03, 2012
by BobaMosfet
connencting two ics to port 3 3562 January 31, 2012
by tchilzer2
H bridge questions 6 4187 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4032 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 4325 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 4614 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 7724 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4301 January 15, 2012
by Rick_S
Source of power? 19 4328 January 13, 2012
by mongo
symbol defined please? 4 4194 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 17079 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 3965 January 06, 2012
by boxvic
Basic LED circuit properties 8 4266 January 06, 2012
by boxvic
Getting Started 3 3779 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 4925 January 02, 2012
by bodangly
SMD reflow 16 4980 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 3917 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 4687 December 23, 2011
by BobaMosfet
Potentiometer 8 5313 December 23, 2011
by huzbum
Fun with Op-Amps 3 5804 December 22, 2011
by treymd
Do I need an H-Bridge? 14 4882 December 19, 2011
by n1cl3
Odessy of the minds 5 4191 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 3585 November 27, 2011
by sazD
Initial Load 2 4194 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 4770 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 5640 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4278 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 9284 November 10, 2011
by jfbrink
Servo Squitter Project 13 3998 November 09, 2011
by Heed
how do i run a program 4 3579 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 3784 November 07, 2011
by Heed
Motor control question 2 3692 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9067 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 3838 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 3837 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 94317 October 24, 2011
by glendon
Measuring Capacitance 9 5324 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 3961 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 5620 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 21616 October 16, 2011
by sask55
RxD / TxD Questions 10 6888 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4030 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 3914 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4156 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 3734 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 12530 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5351 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 23577 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 12207 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 3581 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7162 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 12971 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8261 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 4744 September 01, 2011
by BobaMosfet
Dim LED 3 3598 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4120 August 23, 2011
by Twarter369
Easy Transistor Question 4 4710 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 6415 August 18, 2011
by Ralphxyz
Building a coil?? 12 6372 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4031 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 3703 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 3509 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 3466 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 23161 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 4806 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4139 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 3891 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 3951 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 6709 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 3577 July 17, 2011
by codenamejupiterx
avr macpack 3 3965 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 3892 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 3970 July 13, 2011
by BobaMosfet
Battery clip wires 3 3549 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3407 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 3754 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 3933 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4337 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 24265 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 3915 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4132 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6084 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4135 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4187 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4169 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 4524 June 06, 2011
by mja
A couple of questions 3 3789 June 06, 2011
by Ralphxyz
How much should I strip? 3 3892 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4339 June 01, 2011
by hevans
Motor Control/MCU power bus 5 3784 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4093 May 29, 2011
by Rick_S
Digital Input Question 4 3884 May 28, 2011
by frankdwest
PCB arrived 20 3780 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 4400 May 24, 2011
by gcharris
Calculating bypass capacitor 6 23025 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 4380 May 09, 2011
by Noter
IR current 6 4115 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 4848 May 04, 2011
by hariharan
Heat sensors 21 5094 May 04, 2011
by Hexorg
error 1 2 3652 May 02, 2011
by hevans
Transistor vs mosfet 13 11714 May 01, 2011
by Noter
PCB trace width calculator 3 5222 April 24, 2011
by esoderberg
OLED display 10 4940 April 23, 2011
by Rick_S
Power Supplies 17 5524 April 22, 2011
by BobBolinger
LCD & battery&USB 4 3722 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4345 April 21, 2011
by Rick_S
ADC Theremin Help... 1 3706 April 20, 2011
by jasongillikin
RF and oscoliscope 2 4694 April 19, 2011
by mongo
Connecting to external control voltages 4 3811 April 19, 2011
by bretm
IR current question 7 3875 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 4642 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 4843 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4136 April 10, 2011
by uml_12
Basic projects 3 3770 April 09, 2011
by mongo
REFLOW oven 22 6727 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 13624 April 07, 2011
by bretm
unexpected MCU rebooting 82 8687 April 05, 2011
by sask55
REFLOW Soldering 3 4655 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4090 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 6418 March 30, 2011
by bretm
Black Display on LCD 6 4090 March 28, 2011
by Druidman
32kHz clock 2 3772 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 10804 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 11065 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 5915 March 16, 2011
by mongo
LCD problem 3 4170 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 4717 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 4841 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 3862 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 7341 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 4793 February 26, 2011
by amartinez
Why does my led light without the battery? 2 4714 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 11754 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 8200 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5346 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 8828 February 19, 2011
by Lusitania
My first Impression 6 4106 February 16, 2011
by devinsbusiness
Understanding battery life 3 5457 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5135 February 13, 2011
by sask55
Using Devices With Different Voltages 11 4744 February 05, 2011
by BobaMosfet
High voltage lines 26 6738 February 02, 2011
by mongo
USB 3 3856 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 4827 February 02, 2011
by Jalex
Alternating LED circuit 4 4620 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 5904 January 31, 2011
by il1019
Affordable oscilloscopes 43 13729 January 27, 2011
by BStory
"And"gate unfinished thought 2 3762 January 27, 2011
by Hexorg
replace MCU? 30 8812 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 4482 January 25, 2011
by Ralphxyz
Multimeter! 12 6690 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 5376 January 25, 2011
by Jalex
My LED Cube so far 25 10145 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5249 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 4677 January 18, 2011
by dgikuljot
Counting 5 3738 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 8327 January 17, 2011
by bretm
Programming 5 4531 January 14, 2011
by Ralphxyz
Induction loop actuator 7 4927 January 11, 2011
by Yourself
Begining 7 4990 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 5381 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 4765 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4027 January 09, 2011
by mrobbins
UART operating at 3.3V 1 4431 January 06, 2011
by Mujda
Data input voltage 6 4610 January 03, 2011
by Rick_S
MOSFET Question 7 4646 December 31, 2010
by Keyster
Transistor as a switch 5 4569 December 29, 2010
by Hexorg
Resistors 5 5018 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 9900 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 4941 December 28, 2010
by BobaMosfet
Relay ratings 2 4319 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 19410 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4002 December 17, 2010
by mongo
Power Rectifier 7 4559 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 6571 December 14, 2010
by danuke
This a decent oscilloscope? 8 4536 December 14, 2010
by danuke
Do resistors in series really add up? 8 5858 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5330 December 09, 2010
by bretm
L293 H-Bridge 15 5950 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6181 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 6148 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5195 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 5840 November 24, 2010
by BobaMosfet
Op-amp not working 6 6102 November 24, 2010
by BobaMosfet
Python questions 4 5092 November 21, 2010
by tkopriva
CE Amp design 5 4583 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 4509 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4379 November 05, 2010
by Mujda
PC4 not working?! 8 4017 November 04, 2010
by hapshetsut
Amplifiers 4 4234 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5068 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5133 October 04, 2010
by Scythium
radio interference from NerdKit 11 4218 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 8904 September 14, 2010
by Ralphxyz
solar project with light sensors 7 4738 September 11, 2010
by akajester
QFP and dreadboard 2 4673 September 02, 2010
by bretm
Getting power to the spinning part... 5 4567 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 12211 August 30, 2010
by Ralphxyz
morse code decoder 2 4709 August 26, 2010
by jonathan_m
Connecting to Computer 3 4619 August 25, 2010
by awesome
555 astable on breadboard 12 6134 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4261 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 4698 August 19, 2010
by hevans
mosfet 3 4041 August 13, 2010
by hevans
Good material on learning electronics. 8 5007 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 3934 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 6412 August 02, 2010
by mrobbins
More batteries = more voltage? 3 5752 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 8977 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6269 July 02, 2010
by mongo
Electro Cardio Gram 4 5085 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 3992 June 12, 2010
by Wobbler
Voltage Regulator 20 5567 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5202 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 5856 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 5538 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 4722 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 3956 June 06, 2010
by Kafke
TSSOP IC! 4 4703 June 03, 2010
by mrobbins
AVcc 2 4961 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4096 May 31, 2010
by hevans
Cable Driver 2 3880 May 31, 2010
by mongo
Best 9V adapter to use 2 4222 May 28, 2010
by mongo
Unidirectional microphones 5 4535 May 27, 2010
by mongo
Servo question 3 4039 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 4663 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 4569 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6162 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 10800 May 21, 2010
by hevans
Chinese Solenoid 15 4492 May 10, 2010
by treymd
avrisp mkii circuit 4 5725 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4085 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 9147 May 07, 2010
by rajabalu21
Simple Power Switch 6 4186 May 05, 2010
by avicell
I can haz speed! 3 4511 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 5971 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 4813 April 21, 2010
by bretm
Help with choosing the right resistor 10 5923 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 10343 April 15, 2010
by bretm
Resistor 4 3861 April 15, 2010
by mongo
MCU digital input pins 3 4083 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4298 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10227 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6338 March 28, 2010
by carlhako
Laptop ground safety question 3 4401 March 27, 2010
by ese
LM34 R-C Damper 5 5887 March 24, 2010
by BobaMosfet
NerdKits & USB 5 4714 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 3977 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 5990 March 23, 2010
by ese
constant system reset 3 3883 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 4629 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 5603 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5009 March 17, 2010
by Frozenlock
What is -VS? 6 7822 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 5864 March 04, 2010
by treymd
Using MCU to connect two wires 3 4811 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 9331 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4277 March 02, 2010
by Solorbob
Deciphering power resistors 11 4670 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4025 March 01, 2010
by nrotstan
Understanding LEDs 16 7117 March 01, 2010
by michaeldallas
What's the part I need? 5 4145 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11099 February 23, 2010
by rajabalu21
Too much power? 14 4941 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 5561 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 5415 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 12705 February 18, 2010
by Rick_S
Serial port interface circuit 2 5116 February 17, 2010
by mongo
OBDII project 3 4175 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 7572 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 6790 February 13, 2010
by BobaMosfet
Digital pots 5 4408 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 4566 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 5588 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 6486 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7035 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 4923 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 6617 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 10365 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5342 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 4562 December 27, 2009
by jgauthier
Servo Signal Noise 2 4082 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 7374 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 10862 December 10, 2009
by georgio
Relays and transistors 12 8857 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 8925 December 09, 2009
by Rick_S
IR Detector 7 8264 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5137 November 19, 2009
by mikedoug
Debug with lcd 6 5115 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 4644 November 15, 2009
by tech20
Understanding output pin characteristics 4 4448 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 6317 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 4669 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 47849 October 30, 2009
by BobaMosfet
DIY header unit 2 4971 October 10, 2009
by rusirius
Thermostat Logging 6 6524 October 09, 2009
by luke
Understanding transistors 6 6303 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10152 October 07, 2009
by mikedoug
Currant booster 3 4067 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5124 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 12948 August 27, 2009
by hevans
Which LED? 14 4865 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 5786 August 07, 2009
by mongo
pull up, pull down resistors 7 17202 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11051 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 6914 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 6457 July 07, 2009
by sector0
Reset switch for circuit 3 4684 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31414 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 5840 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 4653 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 4768 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5309 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 4609 May 06, 2009
by paulip

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