Hardware Support

Hardware Support

µMesh support matrix for ESP family:

Chip	Support	Reason
ESP32	✓ Full	Classic, fully tested
ESP32-S2	✓ Full	No BT, otherwise identical
ESP32-S3	✓ Full	Recommended, dual-core
ESP32-C3	✓ Full	Budget option, RISC-V
ESP32-C6	✓ Full	WiFi 6, best power mgmt
ESP32-H2	✗ Not supported	No WiFi (802.15.4 only)
ESP32-C2	✗ Not supported	Insufficient RAM
ESP8266	✗ Not supported	No raw 802.11 TX API
ESP8285	✗ Not supported	Same as ESP8266

Why ESP8266 is not supported

ESP8266 does not provide esp_wifi_80211_tx(), which µMesh requires to send raw 802.11 frames. Promiscuous RX alone is not enough for active mesh participation.

Why ESP32-H2 is not supported

ESP32-H2 is an 802.15.4 (Zigbee/Thread) target, not a WiFi target. µMesh depends on WiFi PHY capability.

Why ESP32-C2 is not supported

ESP32-C2 RAM is too constrained for the full µMesh stack and expected routing/security workloads.