: Supports 2.4 GHz Wi-Fi (802.11b/g/n) and Bluetooth 5 (LE) with mesh capabilities.
Hardware Engineering Team From: PCB Design Lead Subject: Sign-off on c3e-mb-pcb-v4 c3e-mb-pcb-v4
Onboard 3.3V LDO regulator; supports 5V input via USB-C or pin. 🏗️ Hardware Design & Pinout : Supports 2
Before replacing your board, always verify the silkscreen in the bottom right corner. If it says "REV: 4.0" inside a white box, you have the definitive version of this embedded workhorse. c3e-mb-pcb-v4