• PicŪ Basic


  • Interrupt Driven Shutdown of DC-DC Regulators

    The program below describes how a single push button can turn off an entire circuit by using a DC/DC regulator either step-down or boost. The regulator must have a shut down pin that is maintained high to operate. These little marvels have a shutdown current as low as 5-10 uA. On the diagram created for the simulation I use a relay instead of a regulator because I could not find a regulator with shutdown capability on the Proteus components, but the principle is the same.

    The program for an 18F25K20 using an Amicus board but the idea could be easily adapted to other hardware. The ZIP file includes the circuit, a Proetus simulation file and the BAS source file.

    Yves Mazzon

    ON-OFF_routine with interrupt.zip
  • Recent Activity

    amod-29593

    Hx711 calibration

    Thread Starter: amod

    Iam using load cell amplifier HX711 module.I have got raw values from module but iam not able to calibrate with load cell.I want make a universal...

    amod Today, 15:23 Go to last post
    Oldhack-15978

    16f720

    Thread Starter: Oldhack

    HELLO The 16F720 is driving me nuts, I had SOIC version and could not get them to run at all so I bought a couple of Dips (all from Digikey) and...

    Oldhack Today, 16:00 Go to last post
    hadv215-2509

    Fault in bit wise comparisons on release 3.6.1.2.

    Thread Starter: kbaykar

    Hi Les, I just downloaded the release 3.6.1.2 today and seeing that it supports 18F47K40. I am trying to port my code from 18F4685 to 18F47K40. ...

    hadv215 Today, 16:27 Go to last post