docs: def read(self, how_much=128):  # FIXME: 128 might be too much ... what is largest?
  		"""
  		This toggles the RTS pin and reads in data. It also converts the buffer
  		back into a list of bytes and searches through the list to find valid
  		packets of info. If there is more than one packet, this returns an
  		array of valid packets.
  		"""
  		# ret = self.readPkts(how_much)
  		# return ret
  		ret = []
  		self.setRTS(self.DD_READ)
  
  		# this in_waiting is wrong ... i can read more than is there
  		# if self.serial.in_waiting < 12:
  		# 	time.sleep(0.001)
  		# 	print('waiting:', self.serial.in_waiting)
  		# else:
  		# 	print('waiting:', self.serial.in_waiting)
  
  		data = self.serial.read(how_much)
  		# print('read() data', data, 'len(data)', len(data))
  		if data:
  			data = self.decode(data)
  			# print('decode', data)
  			ret = Packet.findPkt(data)
  			# print('ret', ret)
  		return ret