Micro Solar Power Manager / Charger with Regulated Output (Solar Panel Input: 1~3V, 70mA) Category_Display & LED/LED Strips and a Qwiic connector

and a Qwiic connector

Be sure to use cable rated for at least 10A for the Battery

This diagram only applies to the listed gear ratios

the motor will burn out

check out his Heartbeat Straitjacket and demo video

Micro Solar Power Manager / Charger with Regulated Output (Solar Panel Input: 1~3V, 70mA) Category_Display & LED/LED Strips and a Qwiic connectorThe micro solar power manager is a solar power management module that supports the MPPT algorithm and has stabilized output. It is compatible with small solar panels ranging from 1V to 3V. This battery protected solar power charger is designed specifically to power low power wireless sensors or controllers in IoT systems. When combined with BLE Sensor Beacon or other wireless sensors, it can create a long lasting solar powered wireless sensor node.