AkvaLink v0.3.1

AkvaLink v0.3.1

Prebuilt, single-image firmware for the u-blox NORA-W40 (ESP32-C6).
Each .bin is a complete image (bootloader + partition table + app),
flashable to offset 0x0 — no build toolchain required:

pip install esptool
esptool --chip esp32c6 write-flash 0x0 akvalink-thread-v0.3.1.bin

Battery-powered variants

Thread lasts longest, Wi-Fi the shortest — pick by how you reach the sensor.

Asset	What it is
akvalink-thread-v0.3.1.bin	Matter over Thread — battery-powered, longest life (Sleepy End Device)
akvalink-wifi-v0.3.1.bin	Matter over Wi-Fi — battery-powered, shorter life than Thread
akvalink-ble-v0.3.1.bin	Standalone BLE GATT — battery-powered, no hub, no Matter
akvalink-espnow-v0.3.1.bin	ESP-NOW broadcast — deep-sleep sensor for friends' ESP32 networks; no hub, no provisioning
akvalink-esphome-v0.3.1.bin	ESPHome / Home Assistant — native HA API, adopt-and-customize YAML, OTA from HA dashboard

Mains/USB-powered variants

These keep Wi-Fi active and need external power.

Asset	What it is
akvalink-ap-v0.3.1.bin	Wi-Fi AP — open hotspot + captive page, any phone; needs mains/USB power
akvalink-station-v0.3.1.bin	Wi-Fi station — BLE-provisioned, joins your Wi-Fi, page at akvalink.local; needs mains/USB

SHA256

44a66b8ae50777dbf78010200cd00f6f5715c7deee3010a53cf982952ba8fb93  akvalink-thread-v0.3.1.bin
4ebbb6de2556528c54bac104c711932be91067f5c0fc2477c14489a813167a22  akvalink-wifi-v0.3.1.bin
4afe8e8e31c6a1330c857b2e461dde0b0966a4e8cbca175779c7ed9a6cef08a8  akvalink-ble-v0.3.1.bin
01b9755d070b0746235c2516906d542269f7fdea0b8bbff2c8c70009d9a711b3  akvalink-espnow-v0.3.1.bin
048e8482244ec9f74daae14a834e9f8ad577c1b72a7849d1c75acb398f8ef9a4  akvalink-ap-v0.3.1.bin
1152651e929cbe920def5b6a7a2b61f006da00e0e2052d71adbd2c435e99680b  akvalink-station-v0.3.1.bin
014a3a3e1f46c4b17a8a222db3c5bc7a47e3a6c70a4f611a8ac5ee032182843e  akvalink-esphome-v0.3.1.bin