Step-Up DC-DC converter module. It has an input voltage of 1.3 to 16 V, an output voltage of 6 V and a maximum input of up to 2 A. Pololu 4942

Step-Up DC-DC converter module. It has an input voltage of 1.3 to 16 V, an output voltage of 5 V and a maximum input of up to 2 A. Pololu 4941

Step-Up DC-DC converter module. It has an input voltage of 1.3 to 16 V, an output voltage of 3.3 V and a maximum input of up to 2 A. Pololu 4940

A two-channel DC motor controller with a UART TTL interface. It is powered from 4.5 V to 48 V and can deliver up to 1.8 A per motor. Board with connectors for assembly. Pololu 5067

A two-channel DC motor controller with a UART TTL interface. It is powered from 4.5 V to 48 V and can deliver up to 1.8 A per motor. Board with soldered connectors. Pololu 5066

A two-channel DC motor controller with an I2C interface. It is powered from 4.5 V to 48 V and can deliver up to 1.8 A per motor. A board with connectors for mounting. Pololu 5065

A two-channel DC motor controller with an I2C interface. It is powered from 4.5 V to 48 V and can deliver up to 1.8 A per motor. A board with soldered connectors. Pololu 5064

MP6550 DC motor controller module. It can work with motors supplied with voltage from 1.8 to 22 V and current consumption up to 1.7 A. Pololu 4733

A single-channel DC motor driver with an I2C interface. It is powered from 4.5 V to 48 V and can deliver up to 2.2 A of current. A board with soldered connectors. Pololu 5060

A single-channel DC motor driver with an I2C interface. It is powered from 4.5 V to 48 V and can deliver up to 2.2 A of current. A board with connectors for mounting. Pololu 5061

A single-channel DC motor controller with a UART TTL interface. It is powered from 4.5 V to 48 V and can deliver up to 2.2 A of current. Board with soldered connectors. Pololu 5062

A single-channel DC motor controller with a UART TTL interface. It is powered from 4.5 V to 48 V and can deliver up to 2.2 A of current. Board with connectors for assembly. Pololu 5063