from MCP3008 import MCP3008 class SdpArray(): __init__(self): self.adcs = ( MCP3008(0, 0), MCP3008(0, 1) ) read(self, channel): if channel < 8: value = adc[0].read(channel) else: value = adc[1].read(channel-8) print("Anliegende Spannung: %.2f" % (value / 1023.0 * 3.3) )