The JST PH style connector is used for motor encoder, analog, digital, I2C, RS485, and UART connections on the Control Hub and Expansion Hub. These are all 4-pin connections except for the RS485 and UART which are 3 pin. The connectors are keyed (they only insert in one orientation) and are friction locking. Below the keying feature aligned with the cable is shown.
REV Robotics recommends in most cases that teams use pre-made cables because the quality of the crimp is better when made using industrial tooling. These cables can be bought directly from the REV Robotics Website or through other online vendors.
For teams that want to try crimping their own cables, or to find more information about the connectors, the table below lists the appropriate part numbers.
2A continuous current (24AWG)
Accepts 32-24AWG wire
Manufacturer Part Number
Contact, JST PH, 30-24AWG
Contact, JST PH, 28-24AWG
Housing, JST PH, 4-pin
Header, JST PH, 4-pin, Top Entry
Header, JST PH, 4-pin, Side Entry
Housing, JST PH, 3-pin
Header, JST PH, 3-pin, Top Entry
Header, JST PH, 3-pin, Side Entry
Recommended Crimping Tool