This is a USB to TTL Serial converter module which allows for a simple way to connect TTL interface devices to USB. The I/O pins of this cable are configured to operate at 5V and 3.3V specifically with a Arduino and Raspberry Pi with each serial pin. Search Google for "CH340G drimore...
FEATURES: Combined advantages of non-contact air sensing and high precision electronics RS232 data output available for further processing like machine control through relay output or for SPC Can be supplied with analogue, column or digital readout units For diameter 6 mm and abomore...