I have successfully used the XIAO nRF52840 & Wio-SX1262 Kit in a DIY Harbor Breeze repeater. This permits me to build a Meshcore repeater at a parts cost of around $32. You can read about it here.
I have successfully used the XIAO nRF52840 & Wio-SX1262 Kit in a DIY Harbor Breeze repeater. This permits me to build a Meshcore repeater at a parts cost of around $32. You can read about it here.