raspberry Using a RedBear IoT pHAT for BLE with Raspberry Pi 1 B+ This involves 2 pieces of h/w. 1. A Raspberry Pi 1 B+ 2. A RedBear IoT pHAT. (Kickstarter) The HAT is primarily for a Pi Zero, but it works Bibhas Debnath 13 Jul 2020 · 3 min read