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
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PPM works works great for a single channel, however once you start setting multiple channels, it does not.
In order for KisBus to function, Internal oscillator should be running as close to 2MHz as possible. To tune the oscillator, program the pic with "INTOSC" in the clock setting.(NOT INTOSCIO). This way GP4 will output a square wave ~2MHz in frequency. Use this signal to set the OSCTUNE_INIT in KisBus.asm OSCTUNE allows +- 12% in oscillator speed adjustment by setting values: -15 to +15 +15 corresponds to +12% 0 corresponds to 0% -15 corresponds to -12% (see the pic datasheet)
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