The OKYSTAR OKY2151-1 is a DC-motor driver that is capable of driving two brushed DC motors with a two-channel, low-side and high-side outputs. It supports pulse-width modulation (PWM) and analog functions, and has an output current of up to 0.6A per channel. It contains an L293D, an integrated circuit that includes two high-current half-H bridges, allowing the driver to both power and control the motors with a wide array of inputs, including TTL, logic level, and analog signals. The construction materials used are flame-retardant, providing extra protection and security. The OKY2151-1 also contains a number of additional features, such as over-temperature protection, short-circuit protection, over-current protection, and over-voltage protection.