Motor drive module is ideal for use in battery-powered smart car, toy cars, robots. | Dual H-bridge motor driver, can drive two DC motors or a 4-wire two-phase stepper motor. | Supply voltage 2V -- 10V, can drive two DC motors or a 4-wire 2-phase stepper motors ,can achieve forward rotation or reverse rotation, it is possible to adjust the rotation speed. | Dual 1.5A * 2, the peak current to be 2.5A, built-in thermal protection circuit, do not be afraid motor stall burned, automatic recovery after the temperature dropped. | Use of imported original chip, built-in low on-resistance MOS switch, minimal heat, no heat sink, small size, low power consumption, is ideal for battery powered.

It is HC-05.Use the CSR mainstream bluetooth chip, bluetooth V2.0 protocol standards. | It is HC-05.Use the CSR mainstream bluetooth chip, bluetooth V2.0 protocol standards. | With VCC.GND.TXD.RXD foot. With computer and bluetooth bluetooth adapter, PDA, seamless connection equipmentCommercial Series: Bluetooth module board Series | The core module size : 28 mm x 15 mm x 2.35 mm. | Used for GPS navigation system, water and electricity gas meter reading system.