: Supports 2.4 GHz Wi-Fi (802.11b/g/n) and Bluetooth 5 (LE) with mesh capabilities.
Today, we’re dissecting the c3e-mb-pcb-v4 . At first glance, it looks like just another mainboard for a ESP32-C3 based edge node. But a deep dive into its layout, layer stack, and revision history reveals the brutal realities of moving from a "works on my bench" prototype to a field-deployable V4. c3e-mb-pcb-v4