Mini Motor Drive Shield Expansion Board L293D Module for Arduino UNO MEGA 2560 20A ACS712 Current Sensor Four screw holes allow the

Four screw holes allow the board to be attached to a surface or case

The extended motor shaft is designed for direct coupling to wheels or pulleys

They are self-lubricating against steel

The SMA output connects directly to RTL-SDR dongles and other popular SDR receivers

Mount the gateway in an elevated location with clear line-of-sight to the sky

Mini Motor Drive Shield Expansion Board L293D Module for Arduino UNO MEGA 2560 20A ACS712 Current Sensor Four screw holes allow theMini Motor Drive Shield Expansion Board L293D Module for Arduino UNO MEGA 2560 Mini Motor Drive Shield Expansion Board L293D Module for Arduino UNO MEGA 2560 Mini Motor Drive Shield Expansion Board L293D Module for Arduino UNO MEGA 2560 is a Device is a monolithic integrated high voltage, high current four channel driver designed to accept standard DTL or TTL logic levels and drive inductive loads (such as relays solenoids, DC and stepping motors) and