Zigbee is a wireless communication technology that is designed for low-power, low-cost applications. It is based on the IEEE 802.15.4 standard and operates in the 2.4 GHz frequency band.

With that background, converting them from Bluetooth to Zigbee is not a huge leap. All that’s needed is the Zigbee firmware from [Ivan Belokobylskiy] aka [devbis] and to follow the steps put ...