Motoron M2S18v20 Dual High-Power Motor Controller Shield Kit for Arduino POL_Orangutan Robot Controllers The ENC4109 is exactly that:

The ENC4109 is exactly that: an affordable optical quadrature encoder that is compatible with the mounting pattern of the majority of the DC and stepper motors sold here

the relay can perform stable switching operation

and wearable devices or be used as a replacement of the Ublox MAX series module

This cable interfaces to the GM862 Cellular modules and the PG31 GPS module

Motoron M2S18v20 Dual High-Power Motor Controller Shield Kit for Arduino POL_Orangutan Robot Controllers The ENC4109 is exactly that:The Motoron M2S18v20 Dual High Power Motor Controller Shield for Arduino makes it easy to control two high power DC motors from an Arduino or Arduino compatible board through an IC interface. The M2S18v20 supports motor supply voltages from 6. 5 V to 30 V and can deliver continuous output currents up to 20 A per motor. This version ships with a variety of header pin and terminal block options included but not soldered in . Overview The Motoron M2S