BG2EFX
Indeed (
However, I feel that the cost of the board hasn't come down significantly either. The circuitry on the board is designed for charging and discharging batteries, and I am considering leaving two solder points (5V).&(GND) Using a separate charging/discharging protection board + 18650 module for power supply, this allows the core cost to be similar to that of TinyLoRa-C3.