USB 8bit Interface Board

Posted on Feb 5, 2014

The goal was to make a small USB interface board which could easily be connected to microcontroller boards. It should support USB-powered as well as externally-powered operation. External components are kept at a minimum (but there are still quite a lot of them). The board may be used as USB-powered device (externally connect pins 1 and 2 on the S

USB 8bit Interface Board
Click here to download the full size of the above Circuit.

UPPLY pin header) and as externally-powered (leave pin 1 open and apply 5V to pins 2 and 3).

Leave Comment

characters left:

Related Circuits

  • New Circuits



    Popular Circuits

    RS-232 data buffer
    60 watt 2n3055 power amplifier
    hi-fi audio amplifiers with tl072
    Amplifier Output Delay with Relay Schematic Diagram
    Spy Telephone
    Wide band high frequency amplifier circuit
    ICL7106 electronic thermometer circuit design project
    Hi-fi AM detector
    LIRC receiver
    Amp It Up!
    CW117 CW217 CW317 schematic configuration of the constant voltage constant current source