= Mini Bot Drive System The Pi Zero has 2 hardware-supported PWM outputs on GPIO18, GPIO19: [http://circuitdigest.com/microcontroller-projects/raspberry-pi-pwm-tutorial Pi PWM Tutorial] [https://www.npmjs.com/package/raspi-pwm PWM via WiringPi] through some clever programming, additional hardware-assisted PWM can be implemented via DMA: [https://pythonhosted.org/RPIO/pwm_py.html PWM via DMA] * [http://git.ataber.pw/snippets/5 Minibot Drive Code Snippet]