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Basic Electronics

NerdKits » Forums » Basic Electronics (448 threads, 3865 posts)
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AtMega 644 2 125 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 150 August 07, 2014
by Rick_S
My new 3D Printer 25 3792 July 31, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 392 June 02, 2014
by JKITSON
Automated programming mode? 9 620 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 492 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 220 January 28, 2014
by lailai
What kind of error is this? 4 315 January 23, 2014
by Noter
How to double a DC voltage? 20 2091 January 12, 2014
by JKITSON
Is the code the driver? 2 275 January 12, 2014
by Ralphxyz
Miniature headers 6 477 January 01, 2014
by Ralphxyz
BLDC 8 418 December 23, 2013
by esoderberg
I need help finding a terminal. 17 795 November 26, 2013
by Rick_S
GLCD SPI problems 14 1089 November 10, 2013
by andyi
Moving on... 7 591 November 08, 2013
by Pr0ject
Power supply questions 4 748 October 31, 2013
by sask55
OLED 4 453 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 1645 September 22, 2013
by sask55
Opto Interrupter once again 14 995 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 468 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 2343 September 02, 2013
by Ralphxyz
USB cable specifications 7 585 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 559 August 27, 2013
by Affarram
XMEGA Breakout 8 635 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 397 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 566 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 623 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 4070 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 3332 June 18, 2013
by Noter
Two Wrongs Make it Right 3 566 May 22, 2013
by meltbox360
accurate time for a real time clock 5 753 April 08, 2013
by pcbolt
Using diode to drop voltage 12 10902 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 434 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 614 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 953 March 14, 2013
by mongo
Current vs Voltage 8 907 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 673 March 09, 2013
by lnino
Electric current 2 468 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 1460 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 1015 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 1039 February 28, 2013
by BobaMosfet
Control electronic door opener 15 718 February 24, 2013
by lnino
Relay Question 27 2627 February 19, 2013
by Noter
Rotary Encoder how to?? 21 1407 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 745 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 980 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 763 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 793 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 1103 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 786 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 1038 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 608 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 594 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 634 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 2962 November 18, 2012
by carlhako
SPI slave clock 6 768 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 688 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 10952 October 23, 2012
by Noter
NPN circuit connection quandry 4 870 September 24, 2012
by edb
Simple I/O circuit 4 754 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 520 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 477 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 1480 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 804 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 1755 September 13, 2012
by dan_engbers
Electronics simulation 8 956 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 2202 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 749 August 20, 2012
by rblalock
louder sound 2 556 August 18, 2012
by mongo
connector or cable for LCD display? 4 759 August 13, 2012
by missle3944
Powering L.E.Ds 5 726 August 09, 2012
by BobaMosfet
Wires in U.K 5 786 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 841 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 1890 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 1907 July 25, 2012
by bretm
Stepper Motor Direction Control 12 1041 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 9720 July 21, 2012
by lnino
um help 6 576 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 850 July 18, 2012
by Ralphxyz
help me 11 920 July 03, 2012
by Rick_S
Crystal Oscillator question 2 717 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 989 June 24, 2012
by Ralphxyz
HELP 3 630 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 5638 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 609 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 1195 June 17, 2012
by RogerFL
Programmable current source 6 1109 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 983 June 11, 2012
by mongo
HELP 6 722 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 952 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 7075 May 24, 2012
by Ralphxyz
i need a code 8 1031 May 15, 2012
by pcbolt
Clock Accuracy 30 3720 May 14, 2012
by HexManiac
Relays and Controlling them 9 931 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 1088 May 09, 2012
by RogerFL
Powering your NerdKit 7 866 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 806 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 1167 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 949 April 24, 2012
by pcbolt
Programs will not run 6 828 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 1073 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 925 April 09, 2012
by Ralphxyz
Path Lights controller 2 784 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 874 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 1015 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 950 April 01, 2012
by JamesFysh
Question on LCD screen 5 858 March 30, 2012
by billtaichi
Is this Capaciator Good 4 819 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 840 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 1432 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 1758 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 945 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 872 March 15, 2012
by mongo
Digital servo issues! 9 1107 March 15, 2012
by Rick_S
Brushless motor control 16 1334 March 12, 2012
by hevans
Windows not detecting device 3 824 March 10, 2012
by hevans
Voltage throught MCU 5 716 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 10653 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 2163 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 2469 March 01, 2012
by hevans
Up and running... 3 698 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 894 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 972 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 816 February 24, 2012
by Rick_S
programming lcd trubs 7 923 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 1239 February 18, 2012
by Rick_S
Oscilloscope 15 1848 February 18, 2012
by Osarus
How far away can a LM34 be? 16 3923 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 1875 February 14, 2012
by Ralphxyz
It's true, we forget... 18 1028 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 2774 February 09, 2012
by mongo
Data transmission 3 1395 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 1126 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 1695 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 896 February 03, 2012
by BobaMosfet
connencting two ics to port 3 758 January 31, 2012
by tchilzer2
H bridge questions 6 990 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 1028 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 1168 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 1168 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 2226 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 1143 January 15, 2012
by Rick_S
Source of power? 19 1158 January 13, 2012
by mongo
symbol defined please? 4 1225 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 5450 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 963 January 06, 2012
by boxvic
Basic LED circuit properties 8 1043 January 06, 2012
by boxvic
Getting Started 3 948 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 1251 January 02, 2012
by bodangly
SMD reflow 16 1463 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 996 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 1304 December 23, 2011
by BobaMosfet
Potentiometer 8 1428 December 23, 2011
by huzbum
Fun with Op-Amps 3 1618 December 22, 2011
by treymd
Do I need an H-Bridge? 14 1201 December 19, 2011
by n1cl3
Need Diode Data Sheets 2 986 December 07, 2011
by BobaMosfet
Odessy of the minds 5 1115 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 817 November 27, 2011
by sazD
Initial Load 2 1081 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 1226 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 1830 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 1172 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 3837 November 10, 2011
by jfbrink
Servo Squitter Project 13 1062 November 09, 2011
by Heed
how do i run a program 4 862 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 964 November 07, 2011
by Heed
Motor control question 2 934 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 2241 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 1101 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 938 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 15776 October 24, 2011
by glendon
Measuring Capacitance 9 1825 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 1065 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 1542 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 5859 October 16, 2011
by sask55
RxD / TxD Questions 10 2054 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 1159 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 1155 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 861 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 947 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 3566 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 1636 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 13334 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 1783 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 965 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 2222 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 3694 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 3675 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 1156 September 01, 2011
by BobaMosfet
Dim LED 3 970 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 1139 August 23, 2011
by Twarter369
Easy Transistor Question 4 1374 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 1873 August 18, 2011
by Ralphxyz
Building a coil?? 12 2027 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 1217 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 995 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 811 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 804 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 6152 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 1490 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 997 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 988 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 980 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 2035 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 987 July 17, 2011
by codenamejupiterx
avr macpack 3 926 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 1124 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 1125 July 13, 2011
by BobaMosfet
Battery clip wires 3 916 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 792 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 836 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 1042 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 1478 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 4865 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 1027 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 1077 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 2108 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 1274 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 1165 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 1182 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 1302 June 06, 2011
by mja
A couple of questions 3 926 June 06, 2011
by Ralphxyz
How much should I strip? 3 932 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 1324 June 01, 2011
by hevans
Motor Control/MCU power bus 5 1050 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 1346 May 29, 2011
by Rick_S
Digital Input Question 4 1032 May 28, 2011
by frankdwest
PCB arrived 20 1134 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 1503 May 24, 2011
by gcharris
Calculating bypass capacitor 6 5240 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 1536 May 09, 2011
by Noter
IR current 6 1369 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 1803 May 04, 2011
by hariharan
Heat sensors 21 1727 May 04, 2011
by Hexorg
error 1 2 1129 May 02, 2011
by hevans
Transistor vs mosfet 13 4154 May 01, 2011
by Noter
PCB trace width calculator 3 1992 April 24, 2011
by esoderberg
OLED display 10 1436 April 23, 2011
by Rick_S
Power Supplies 17 2377 April 22, 2011
by BobBolinger
LCD & battery&USB 4 920 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 1251 April 21, 2011
by Rick_S
ADC Theremin Help... 1 1029 April 20, 2011
by jasongillikin
RF and oscoliscope 2 1386 April 19, 2011
by mongo
Connecting to external control voltages 4 1219 April 19, 2011
by bretm
IR current question 7 1072 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 1571 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 1330 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 1243 April 10, 2011
by uml_12
Basic projects 3 1172 April 09, 2011
by mongo
REFLOW oven 22 2664 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 4434 April 07, 2011
by bretm
unexpected MCU rebooting 82 2404 April 05, 2011
by sask55
REFLOW Soldering 3 1433 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 1292 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 2609 March 30, 2011
by bretm
Black Display on LCD 6 1277 March 28, 2011
by Druidman
32kHz clock 2 1244 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 4240 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 4149 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 2140 March 16, 2011
by mongo
LCD problem 3 1209 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 1711 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 1845 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 1208 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 2167 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 1501 February 26, 2011
by amartinez
Why does my led light without the battery? 2 1687 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 4527 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 2896 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 2351 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 2776 February 19, 2011
by Lusitania
My first Impression 6 1353 February 16, 2011
by devinsbusiness
Understanding battery life 3 2128 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 2134 February 13, 2011
by sask55
Using Devices With Different Voltages 11 1599 February 05, 2011
by BobaMosfet
High voltage lines 26 2522 February 02, 2011
by mongo
USB 3 1179 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 1708 February 02, 2011
by Jalex
Alternating LED circuit 4 1704 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 2129 January 31, 2011
by il1019
Affordable oscilloscopes 43 7783 January 27, 2011
by BStory
"And"gate unfinished thought 2 1084 January 27, 2011
by Hexorg
replace MCU? 30 4778 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 1589 January 25, 2011
by Ralphxyz
Multimeter! 12 3136 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 2076 January 25, 2011
by Jalex
My LED Cube so far 25 4890 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 1940 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 1501 January 18, 2011
by dgikuljot
Counting 5 1003 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 3419 January 17, 2011
by bretm
Programming 5 1532 January 14, 2011
by Ralphxyz
Induction loop actuator 7 1926 January 11, 2011
by Yourself
Begining 7 1667 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 1943 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 1802 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 1133 January 09, 2011
by mrobbins
UART operating at 3.3V 1 1537 January 06, 2011
by Mujda
Data input voltage 6 1758 January 03, 2011
by Rick_S
MOSFET Question 7 1673 December 31, 2010
by Keyster
Transistor as a switch 5 1527 December 29, 2010
by Hexorg
Resistors 5 2003 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 4606 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 1534 December 28, 2010
by BobaMosfet
Relay ratings 2 1321 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 10954 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 1360 December 17, 2010
by mongo
Power Rectifier 7 1512 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 2528 December 14, 2010
by danuke
This a decent oscilloscope? 8 1747 December 14, 2010
by danuke
Do resistors in series really add up? 8 2273 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 1840 December 09, 2010
by bretm
L293 H-Bridge 15 2317 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 2249 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 2525 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 1966 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 2129 November 24, 2010
by BobaMosfet
Op-amp not working 6 2155 November 24, 2010
by BobaMosfet
Python questions 4 2121 November 21, 2010
by tkopriva
CE Amp design 5 1400 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 1746 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 1379 November 05, 2010
by Mujda
PC4 not working?! 8 1086 November 04, 2010
by hapshetsut
Amplifiers 4 1382 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 1920 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 2079 October 04, 2010
by Scythium
radio interference from NerdKit 11 1367 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 3285 September 14, 2010
by Ralphxyz
solar project with light sensors 7 1891 September 11, 2010
by akajester
QFP and dreadboard 2 1576 September 02, 2010
by bretm
Getting power to the spinning part... 5 1750 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 4850 August 30, 2010
by Ralphxyz
morse code decoder 2 2046 August 26, 2010
by jonathan_m
Connecting to Computer 3 1855 August 25, 2010
by awesome
555 astable on breadboard 12 2903 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 1399 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 1842 August 19, 2010
by hevans
mosfet 3 1411 August 13, 2010
by hevans
Good material on learning electronics. 8 1530 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 1239 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 1968 August 02, 2010
by mrobbins
More batteries = more voltage? 3 1944 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 3885 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 2318 July 02, 2010
by mongo
Electro Cardio Gram 4 1956 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 1327 June 12, 2010
by Wobbler
Voltage Regulator 20 2302 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 2430 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 2321 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 2325 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 1660 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 1257 June 06, 2010
by Kafke
TSSOP IC! 4 1672 June 03, 2010
by mrobbins
AVcc 2 2010 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 1505 May 31, 2010
by hevans
Cable Driver 2 1257 May 31, 2010
by mongo
Best 9V adapter to use 2 1487 May 28, 2010
by mongo
Unidirectional microphones 5 1694 May 27, 2010
by mongo
Servo question 3 1424 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 1687 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 1462 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 2270 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 4010 May 21, 2010
by hevans
Chinese Solenoid 15 1587 May 10, 2010
by treymd
avrisp mkii circuit 4 2589 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 1533 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 3162 May 07, 2010
by rajabalu21
Simple Power Switch 6 1236 May 05, 2010
by avicell
I can haz speed! 3 1487 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 2508 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 2104 April 21, 2010
by bretm
Help with choosing the right resistor 10 2285 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 2908 April 15, 2010
by bretm
Resistor 4 1267 April 15, 2010
by mongo
MCU digital input pins 3 1145 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 1696 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 5547 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 3023 March 28, 2010
by carlhako
Laptop ground safety question 3 1648 March 27, 2010
by ese
LM34 R-C Damper 5 1864 March 24, 2010
by BobaMosfet
NerdKits & USB 5 1678 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 1331 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 2643 March 23, 2010
by ese
constant system reset 3 1242 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 1555 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 2257 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 2041 March 17, 2010
by Frozenlock
What is -VS? 6 1835 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 3034 March 04, 2010
by treymd
Using MCU to connect two wires 3 1666 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 4089 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 1473 March 02, 2010
by Solorbob
Deciphering power resistors 11 1587 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 1461 March 01, 2010
by nrotstan
Understanding LEDs 16 2727 March 01, 2010
by michaeldallas
What's the part I need? 5 1401 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 6031 February 23, 2010
by rajabalu21
Too much power? 14 2044 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 2614 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 1818 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 4969 February 18, 2010
by Rick_S
Serial port interface circuit 2 2276 February 17, 2010
by mongo
OBDII project 3 1531 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 2567 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 3025 February 13, 2010
by BobaMosfet
Digital pots 5 1553 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 1684 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 2566 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 2170 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 3007 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 1801 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 2744 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 4345 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 2086 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 1613 December 27, 2009
by jgauthier
Servo Signal Noise 2 1345 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 3487 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 5905 December 10, 2009
by georgio
Relays and transistors 12 5288 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 3975 December 09, 2009
by Rick_S
IR Detector 7 2520 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 2157 November 19, 2009
by mikedoug
Debug with lcd 6 1962 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 1935 November 15, 2009
by tech20
Understanding output pin characteristics 4 1573 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 3195 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 1874 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 24066 October 30, 2009
by BobaMosfet
DIY header unit 2 2176 October 10, 2009
by rusirius
Thermostat Logging 6 2455 October 09, 2009
by luke
Understanding transistors 6 2986 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 5921 October 07, 2009
by mikedoug
Currant booster 3 1411 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 2028 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 5308 August 27, 2009
by hevans
Which LED? 14 2033 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 2728 August 07, 2009
by mongo
pull up, pull down resistors 7 12338 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 5387 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 3355 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 2945 July 07, 2009
by sector0
Reset switch for circuit 3 1849 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 24041 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 2080 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 1889 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 1909 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 2469 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 1796 May 06, 2009
by paulip

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