duo/adc.c:Add ADC module.
duo/adc.c:Add ADC module.

redbear/micropython,ganshun666/micropython,redbear/micropython,ganshun666/micropython,ganshun666/micropython,redbear/micropython,redbear/micropython,redbear/micropython,ganshun666/micropython,ganshun666/micropython