NerdKits - electronics education for a digital generation

You are not logged in. [log in]

Basic Electronics

NerdKits » Forums » Basic Electronics (451 threads, 3929 posts)
Thread Posts Views Last Post
Would someone explain Proximity Sensor? 19 1838 May 04, 2015
by mongo
Need to replace Wall Watt 16 376 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 858 April 10, 2015
by Noter
My new 3D Printer 44 14696 April 07, 2015
by Rick_S
AtMega 644 2 1174 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 555 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 739 June 02, 2014
by JKITSON
Automated programming mode? 9 1001 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 903 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 542 January 28, 2014
by lailai
What kind of error is this? 4 719 January 23, 2014
by Noter
How to double a DC voltage? 20 3690 January 12, 2014
by JKITSON
Is the code the driver? 2 583 January 12, 2014
by Ralphxyz
Miniature headers 6 827 January 01, 2014
by Ralphxyz
BLDC 8 743 December 23, 2013
by esoderberg
I need help finding a terminal. 17 1166 November 26, 2013
by Rick_S
GLCD SPI problems 14 2011 November 10, 2013
by andyi
Moving on... 7 968 November 08, 2013
by Pr0ject
Power supply questions 4 1159 October 31, 2013
by sask55
OLED 4 773 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 3037 September 22, 2013
by sask55
Opto Interrupter once again 14 1974 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 874 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 3702 September 02, 2013
by Ralphxyz
USB cable specifications 7 927 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 957 August 27, 2013
by Affarram
XMEGA Breakout 8 1012 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 676 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 982 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 967 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 4648 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 5028 June 18, 2013
by Noter
Two Wrongs Make it Right 3 823 May 22, 2013
by meltbox360
accurate time for a real time clock 5 1089 April 08, 2013
by pcbolt
Using diode to drop voltage 12 19157 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 688 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 894 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 1593 March 14, 2013
by mongo
Current vs Voltage 8 1307 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 1151 March 09, 2013
by lnino
Electric current 2 727 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 2456 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 1712 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 1658 February 28, 2013
by BobaMosfet
Control electronic door opener 15 1087 February 24, 2013
by lnino
Relay Question 27 3219 February 19, 2013
by Noter
Rotary Encoder how to?? 21 2116 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 1166 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 1427 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 1108 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 1091 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 1406 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 1103 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 1513 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 875 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 856 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 885 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 4091 November 18, 2012
by carlhako
SPI slave clock 6 1131 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 920 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 13249 October 23, 2012
by Noter
NPN circuit connection quandry 4 1216 September 24, 2012
by edb
Simple I/O circuit 4 1034 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 787 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 724 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 1954 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 1064 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 2392 September 13, 2012
by dan_engbers
Electronics simulation 8 1321 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 2728 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 1021 August 20, 2012
by rblalock
louder sound 2 844 August 18, 2012
by mongo
connector or cable for LCD display? 4 1008 August 13, 2012
by missle3944
Powering L.E.Ds 5 1019 August 09, 2012
by BobaMosfet
Wires in U.K 5 1096 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 1155 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 2439 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 2678 July 25, 2012
by bretm
Stepper Motor Direction Control 12 1372 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 12781 July 21, 2012
by lnino
um help 6 816 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 1147 July 18, 2012
by Ralphxyz
help me 11 1281 July 03, 2012
by Rick_S
Crystal Oscillator question 2 944 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 1437 June 24, 2012
by Ralphxyz
HELP 3 884 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 7489 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 890 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 1641 June 17, 2012
by RogerFL
Programmable current source 6 1524 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 1421 June 11, 2012
by mongo
HELP 6 1008 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 1236 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 11771 May 24, 2012
by Ralphxyz
i need a code 8 1327 May 15, 2012
by pcbolt
Clock Accuracy 30 4263 May 14, 2012
by HexManiac
Relays and Controlling them 9 1236 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 1489 May 09, 2012
by RogerFL
Powering your NerdKit 7 1167 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 1087 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 1692 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 1244 April 24, 2012
by pcbolt
Programs will not run 6 1146 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 1405 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 1231 April 09, 2012
by Ralphxyz
Path Lights controller 2 1051 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 1171 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 1376 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 1230 April 01, 2012
by JamesFysh
Question on LCD screen 5 1130 March 30, 2012
by billtaichi
Is this Capaciator Good 4 1122 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 2303 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 1731 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 2454 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 1251 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 1275 March 15, 2012
by mongo
Digital servo issues! 9 1442 March 15, 2012
by Rick_S
Brushless motor control 16 1782 March 12, 2012
by hevans
Windows not detecting device 3 1065 March 10, 2012
by hevans
Voltage throught MCU 5 983 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 12952 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 3143 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 3793 March 01, 2012
by hevans
Up and running... 3 934 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 1205 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 1507 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 1104 February 24, 2012
by Rick_S
programming lcd trubs 7 1137 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 1618 February 18, 2012
by Rick_S
Oscilloscope 15 2341 February 18, 2012
by Osarus
How far away can a LM34 be? 16 4679 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 2198 February 14, 2012
by Ralphxyz
It's true, we forget... 18 1299 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 3546 February 09, 2012
by mongo
Data transmission 3 1646 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 1468 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 2206 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 1140 February 03, 2012
by BobaMosfet
connencting two ics to port 3 981 January 31, 2012
by tchilzer2
H bridge questions 6 1277 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 1303 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 1437 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 1466 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 3012 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 1423 January 15, 2012
by Rick_S
Source of power? 19 1418 January 13, 2012
by mongo
symbol defined please? 4 1531 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 7457 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 1206 January 06, 2012
by boxvic
Basic LED circuit properties 8 1365 January 06, 2012
by boxvic
Getting Started 3 1200 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 1608 January 02, 2012
by bodangly
SMD reflow 16 1864 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 1252 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 1629 December 23, 2011
by BobaMosfet
Potentiometer 8 1757 December 23, 2011
by huzbum
Fun with Op-Amps 3 2067 December 22, 2011
by treymd
Do I need an H-Bridge? 14 1525 December 19, 2011
by n1cl3
Need Diode Data Sheets 2 1312 December 07, 2011
by BobaMosfet
Odessy of the minds 5 1438 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 1078 November 27, 2011
by sazD
Initial Load 2 1396 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 1598 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 2312 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 1529 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 4371 November 10, 2011
by jfbrink
Servo Squitter Project 13 1354 November 09, 2011
by Heed
how do i run a program 4 1136 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 1236 November 07, 2011
by Heed
Motor control question 2 1176 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 2989 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 1353 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 1240 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 26141 October 24, 2011
by glendon
Measuring Capacitance 9 2248 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 1402 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 1998 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 8231 October 16, 2011
by sask55
RxD / TxD Questions 10 2695 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 1456 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 1421 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 1124 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 1210 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 4647 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 2162 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 16762 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 2560 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 1198 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 3073 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 5134 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 4326 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 1438 September 01, 2011
by BobaMosfet
Dim LED 3 1209 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 1483 August 23, 2011
by Twarter369
Easy Transistor Question 4 1681 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 2384 August 18, 2011
by Ralphxyz
Building a coil?? 12 2469 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 1472 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 1261 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 1026 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 1033 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 8145 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 1807 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 1249 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 1291 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 1269 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 2544 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 1221 July 17, 2011
by codenamejupiterx
avr macpack 3 1183 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 1381 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 1341 July 13, 2011
by BobaMosfet
Battery clip wires 3 1140 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 1045 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 1085 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 1379 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 1769 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 6638 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 1367 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 1316 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 2578 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 1529 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 1481 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 1421 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 1563 June 06, 2011
by mja
A couple of questions 3 1183 June 06, 2011
by Ralphxyz
How much should I strip? 3 1146 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 1600 June 01, 2011
by hevans
Motor Control/MCU power bus 5 1293 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 1604 May 29, 2011
by Rick_S
Digital Input Question 4 1287 May 28, 2011
by frankdwest
PCB arrived 20 1356 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 1844 May 24, 2011
by gcharris
Calculating bypass capacitor 6 7800 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 1865 May 09, 2011
by Noter
IR current 6 1649 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 2202 May 04, 2011
by hariharan
Heat sensors 21 2089 May 04, 2011
by Hexorg
error 1 2 1338 May 02, 2011
by hevans
Transistor vs mosfet 13 5523 May 01, 2011
by Noter
PCB trace width calculator 3 2321 April 24, 2011
by esoderberg
OLED display 10 1738 April 23, 2011
by Rick_S
Power Supplies 17 2704 April 22, 2011
by BobBolinger
LCD & battery&USB 4 1176 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 1573 April 21, 2011
by Rick_S
ADC Theremin Help... 1 1261 April 20, 2011
by jasongillikin
RF and oscoliscope 2 1664 April 19, 2011
by mongo
Connecting to external control voltages 4 1485 April 19, 2011
by bretm
IR current question 7 1353 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 1881 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 1708 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 1590 April 10, 2011
by uml_12
Basic projects 3 1418 April 09, 2011
by mongo
REFLOW oven 22 3175 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 5509 April 07, 2011
by bretm
unexpected MCU rebooting 82 2903 April 05, 2011
by sask55
REFLOW Soldering 3 1777 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 1556 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 3272 March 30, 2011
by bretm
Black Display on LCD 6 1554 March 28, 2011
by Druidman
32kHz clock 2 1472 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 5156 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 4767 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 2552 March 16, 2011
by mongo
LCD problem 3 1466 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 2109 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 2140 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 1445 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 2696 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 1896 February 26, 2011
by amartinez
Why does my led light without the battery? 2 2041 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 5999 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 3602 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 2669 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 3725 February 19, 2011
by Lusitania
My first Impression 6 1619 February 16, 2011
by devinsbusiness
Understanding battery life 3 2502 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 2471 February 13, 2011
by sask55
Using Devices With Different Voltages 11 1927 February 05, 2011
by BobaMosfet
High voltage lines 26 3047 February 02, 2011
by mongo
USB 3 1458 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 2086 February 02, 2011
by Jalex
Alternating LED circuit 4 1976 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 2575 January 31, 2011
by il1019
Affordable oscilloscopes 43 8475 January 27, 2011
by BStory
"And"gate unfinished thought 2 1345 January 27, 2011
by Hexorg
replace MCU? 30 5299 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 1886 January 25, 2011
by Ralphxyz
Multimeter! 12 3457 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 2443 January 25, 2011
by Jalex
My LED Cube so far 25 5686 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 2282 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 1824 January 18, 2011
by dgikuljot
Counting 5 1243 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 4009 January 17, 2011
by bretm
Programming 5 1825 January 14, 2011
by Ralphxyz
Induction loop actuator 7 2220 January 11, 2011
by Yourself
Begining 7 1922 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 2354 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 2129 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 1424 January 09, 2011
by mrobbins
UART operating at 3.3V 1 1815 January 06, 2011
by Mujda
Data input voltage 6 2068 January 03, 2011
by Rick_S
MOSFET Question 7 1998 December 31, 2010
by Keyster
Transistor as a switch 5 1807 December 29, 2010
by Hexorg
Resistors 5 2291 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 5418 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 1934 December 28, 2010
by BobaMosfet
Relay ratings 2 1615 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 12575 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 1621 December 17, 2010
by mongo
Power Rectifier 7 1828 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 2952 December 14, 2010
by danuke
This a decent oscilloscope? 8 2037 December 14, 2010
by danuke
Do resistors in series really add up? 8 2710 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 2205 December 09, 2010
by bretm
L293 H-Bridge 15 2704 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 2613 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 2994 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 2310 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 2563 November 24, 2010
by BobaMosfet
Op-amp not working 6 2665 November 24, 2010
by BobaMosfet
Python questions 4 2485 November 21, 2010
by tkopriva
CE Amp design 5 1652 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 2028 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 1655 November 05, 2010
by Mujda
PC4 not working?! 8 1336 November 04, 2010
by hapshetsut
Amplifiers 4 1657 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 2290 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 2408 October 04, 2010
by Scythium
radio interference from NerdKit 11 1630 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 4047 September 14, 2010
by Ralphxyz
solar project with light sensors 7 2160 September 11, 2010
by akajester
QFP and dreadboard 2 1865 September 02, 2010
by bretm
Getting power to the spinning part... 5 2057 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 5938 August 30, 2010
by Ralphxyz
morse code decoder 2 2370 August 26, 2010
by jonathan_m
Connecting to Computer 3 2118 August 25, 2010
by awesome
555 astable on breadboard 12 3322 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 1668 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 2108 August 19, 2010
by hevans
mosfet 3 1682 August 13, 2010
by hevans
Good material on learning electronics. 8 1813 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 1502 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 2298 August 02, 2010
by mrobbins
More batteries = more voltage? 3 2352 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 4718 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 2827 July 02, 2010
by mongo
Electro Cardio Gram 4 2264 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 1584 June 12, 2010
by Wobbler
Voltage Regulator 20 2709 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 2752 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 2782 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 2699 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 1971 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 1534 June 06, 2010
by Kafke
TSSOP IC! 4 1938 June 03, 2010
by mrobbins
AVcc 2 2298 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 1751 May 31, 2010
by hevans
Cable Driver 2 1496 May 31, 2010
by mongo
Best 9V adapter to use 2 1749 May 28, 2010
by mongo
Unidirectional microphones 5 1978 May 27, 2010
by mongo
Servo question 3 1693 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 1990 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 1791 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 2756 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 4800 May 21, 2010
by hevans
Chinese Solenoid 15 1863 May 10, 2010
by treymd
avrisp mkii circuit 4 2938 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 1789 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 4173 May 07, 2010
by rajabalu21
Simple Power Switch 6 1511 May 05, 2010
by avicell
I can haz speed! 3 1773 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 2895 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 2398 April 21, 2010
by bretm
Help with choosing the right resistor 10 2766 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 3560 April 15, 2010
by bretm
Resistor 4 1518 April 15, 2010
by mongo
MCU digital input pins 3 1399 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 1946 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 6236 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 3374 March 28, 2010
by carlhako
Laptop ground safety question 3 1927 March 27, 2010
by ese
LM34 R-C Damper 5 2223 March 24, 2010
by BobaMosfet
NerdKits & USB 5 1945 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 1609 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 3043 March 23, 2010
by ese
constant system reset 3 1481 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 1897 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 2616 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 2328 March 17, 2010
by Frozenlock
What is -VS? 6 2366 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 3374 March 04, 2010
by treymd
Using MCU to connect two wires 3 1944 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 4701 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 1755 March 02, 2010
by Solorbob
Deciphering power resistors 11 1916 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 1749 March 01, 2010
by nrotstan
Understanding LEDs 16 3121 March 01, 2010
by michaeldallas
What's the part I need? 5 1664 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 7067 February 23, 2010
by rajabalu21
Too much power? 14 2348 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 2905 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 2200 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 6063 February 18, 2010
by Rick_S
Serial port interface circuit 2 2602 February 17, 2010
by mongo
OBDII project 3 1788 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 3113 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 3491 February 13, 2010
by BobaMosfet
Digital pots 5 1840 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 1948 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 2865 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 2662 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 3511 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 2092 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 3304 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 4934 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 2451 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 1932 December 27, 2009
by jgauthier
Servo Signal Noise 2 1594 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 3874 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 6902 December 10, 2009
by georgio
Relays and transistors 12 5702 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 4493 December 09, 2009
by Rick_S
IR Detector 7 3105 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 2471 November 19, 2009
by mikedoug
Debug with lcd 6 2287 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 2170 November 15, 2009
by tech20
Understanding output pin characteristics 4 1867 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 3571 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 2153 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 27784 October 30, 2009
by BobaMosfet
DIY header unit 2 2437 October 10, 2009
by rusirius
Thermostat Logging 6 2920 October 09, 2009
by luke
Understanding transistors 6 3351 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 6438 October 07, 2009
by mikedoug
Currant booster 3 1659 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 2354 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 6279 August 27, 2009
by hevans
Which LED? 14 2308 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 3099 August 07, 2009
by mongo
pull up, pull down resistors 7 13189 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 6253 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 3743 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 3300 July 07, 2009
by sector0
Reset switch for circuit 3 2121 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 24927 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 2380 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 2194 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 2193 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 2775 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 2131 May 06, 2009
by paulip

Create a Thread

Please log in to create a thread.

Did you know that you can use printf and scanf functions to talk to your computer from your USB NerdKit? Learn more...