DFRobot Thermal Printer Tiny Receipt TTL/USB - DFR0503-EN 20-30 awg The Rain Steam Sensor is

The Rain Steam Sensor is a rain sensor with analog and digital output designed for water metering

A row wire housing small single pack is a type of connector housing that is used to hold wires in place and create electrical connections in DIY jumper cables

White for RX

The Teensy 2

DFRobot Thermal Printer Tiny Receipt TTL/USB - DFR0503-EN 20-30 awg The Rain Steam Sensor isThe embedded thermal printer uses thermal technology, it doesn't need to add toner or ink, stable performance and mini size. The embedded thermal printers are widely used in instrumentation, food inspection, shopping terminals and other scenarios. It can be found in the ATM machines, lockers, POS and supermarket electronic scales in the life. The printer uses a 5~9V wide voltage supply mode. The higher the voltage, the clearer the printing effect. It