Welcome to EDAboard.com

Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.

Search results

  1. A

    7.2w led panel with 12v 7Ah battery

    Hi , i am trying to power a led panel of 7.2W (12V, 600mA) and a controller board with atmega8 microcontroller i want t run this circuit and light up the led panel for 4-5 hrs is that possible to achieve this running hours with 12v 7,Ah battery .to achieve this what is the battery capacity that...
  2. A

    How i can use a 12 V 7 Ah battery to power up a 3w led light box

    Hi, i want to take power from a 12v 7 ah battery to 3 watt led board (the led board contains 50 units of 2 led connected in series linked in parallel along with a 56 ohm (please ignore the 470 ohm ) in series as in the image .when i use 7805 to reduce the voltage the ic is getting very hot ...
  3. A

    [AVR] Count down timer using avr

    hi i want to design a count down display using avr ,the counter should produce a interrupt signal or indication when the count reached at zero , the count length has to be variable , so that it can be changed as per requirement . am using code vision avr compiler , can anyone help me in this...
  4. A

    How smps provide current ?

    hi, I am using A 24V 10 A SMPS to power my project work, it consumes different current rating in different intervals , i want to know how the smps provide current to the load, if i connect a LOAD that require 12 v 600 MA is that possible to use 12 v 10 A smps here , is there is any chance...
  5. A

    global variable accessing problem

    hi, i tried to use interrupts in at8535 to perform a switch operation , am getting an error my code #include <mega8535.h> #include <alcd.h> #include <delay.h> // External Interrupt 0 service routine interrupt [EXT_INT0] void ext_int0_isr(void) { x=1; // when int0 pressed x =1 } interrupt...
  6. A

    Power supply design help

    hi, i want to design a power supply which can drive an led array (30 parallel led module each module consists of 4 series led connected with 56 ohm resistor)i want to drive led panel like this , i tired to build one using 7812 and lm 317 but the 7812 is heating itself continuously so can anyone...

Part and Inventory Search