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...Uses 9600 8N1 by default. The baud rate is easily changed. The library is heavily commented to assist with any tweaking you want to do.
For schematics of how to connect to your MCU/MPU, see http://www.robots-everywhere.com/re_wiki/pub/web/Cookbook.AudioSerial.html
To add this library to your webpage, include this.
<script src='https://audioserial.sourceforge.io/serial-1.0.js'></script> or
<script src='http://audioserial.sourceforge.io/serial-1.0.js'></script>
To see a working demo, click here.
http://audioserial.sourceforge.io/serialdemo.html
Keep It Simple Bus is a PC+MCU based Robotics Framework that utilizes serial port to interface to multiple DC/Servo/Stepper motors through PIC12F683 ising binary protocol. Main goal is to do it as cheap as possible with minimal number of components, fast