6 layers25.4 × 43.2 mm

IoT 2021A
cmcmicrosystems/iot_platform
Compact Bluetooth Low Energy (BLE) sensor node PCB design, firmware and Android app
41 parts5
Open-source boards designed in KiCad by cmcmicrosystems on GitHub, from 1 repository. A board’s address here is its repository’s there.

cmcmicrosystems/iot_platform
Compact Bluetooth Low Energy (BLE) sensor node PCB design, firmware and Android app