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README.md
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@@ -16,7 +16,7 @@ Feel free to join us on Discord: https://discord.gg/9nPq85bP4p
<b>Supported ESP32 devices:</b>
- Nuki Hub is compiled against all ESP32 models with Wi-Fi and Bluetooh Low Energy (BLE) which are supported by ESP-IDF 5.4.1 and Arduino Core 3.2.0.
- Tested stable builds are provided for the ESP32, ESP32-S3, ESP32-C3, ESP32-C6 and ESP32-H2.
- Tested stable builds are provided for the ESP32, ESP32-S3, ESP32-C3, ESP32-C5, ESP32-C6 and ESP32-H2.
- Untested builds are provided for the ESP32-P4 (with the ESP32-C6-MINI-1 module for BLE and WiFi) and ESP32-Solo1 (as the developers don't own one).
<b>Not supported ESP32 devices:</b>
@@ -55,25 +55,26 @@ See the "[Connecting via Ethernet](#connecting-via-ethernet-optional)" section f
## Recommended ESP32 devices
We don't recommend using single-core ESP32 devices (ESP32-C3, ESP32-C6, ESP32-H2, ESP32-Solo1).<br>
Although Nuki Hub supports single-core devices, Nuki Hub uses both CPU cores (if available) to process tasks (e.g. HTTP server/MQTT client/BLE scanner/BLE client) and thus runs much better on dual-core devices.<br>
We don't recommend using the original ESP32 or ESP32-Solo1 devices because these devices experience unexpected crashes related to the (closed-source) BLE controller.<br>
In newer models (e.g. ESP32-S3, ESP32-P4, ESP32-C3, ESP32-C5, ESP32-C6, ESP32-H2) these unexpected crashed are seen a lot less.
We also don't recommend using the original ESP32 or ESP32-Solo1 devices because these devices experience unexpected crashes related to the (closed-source) BLE controller.<br>
In all newer models (e.g. ESP32-S3, ESP32-P4, ESP32-C3, ESP32-C6, ESP32-H2) these unexpected crashed haven't been seen.
When buying a new device in 2025 we can only recommend the ESP32-S3 with PSRAM (look for an ESP32-S3 with the designation N>=4 and R>=2 such as an ESP32-S3 N16R8).<br>
When buying a new device in 2025 we generally recommend the ESP32-S3 with PSRAM (look for an ESP32-S3 with the designation N>=4 and R>=2 such as an ESP32-S3 N16R8).<br>
The ESP32-S3 is a dual-core CPU with many GPIO's, ability to enlarge RAM using PSRAM, ability to connect Ethernet modules over SPI and optionally power the device with a PoE splitter.<br>
The only functions missing from the ESP32-S3 as compared to other ESP devices is the ability to use some Ethernet modules only supported by the original ESP32 (and ESP32-P4) and the ability to connect over WIFI6 (C6 or ESP32-P4 with C6 module)
The only functions missing from the ESP32-S3 as compared to other ESP devices is the ability to use some Ethernet modules only supported by the original ESP32 (and ESP32-P4) and the ability to connect over WIFI6 (C5, C6 or ESP32-P4 with C6 module)
The ESP32-C5 with PSRAM is a good option providing higher clockspeeds than the C6 and adding PSRAM and WIFI 6 on the 5 Ghz band support.
Nuki Hub uses both CPU cores (if available) to process tasks (e.g. HTTP server/MQTT client/BLE scanner/BLE client) and thus runs better on dual-core devices.<br>
We provide a build for the ESP32-P4 with ESP32-C6-MINI-1 module for BLE/WiFi but this device is untested as of now.
Other considerations:
- If Ethernet/PoE is required: An ESP32-S3 with PSRAM in combination with a SPI Ethernet module ([W5500](https://www.aliexpress.com/w/wholesale-w5500.html)) and [PoE to Ethernet and USB type B/C splitter](https://aliexpress.com/w/wholesale-poe-splitter-usb-c.html) or the LilyGO-T-ETH ELite, LilyGO-T-ETH-Lite-ESP32S3 or M5stack Atom S3R with the M5stack AtomPoe W5500 module
- If WIFI6 is absolutely required (it probably isn't): ESP32-C6 or ESP32-P4 with ESP32-C6-MINI-1 module (UNTESTED)
- If WIFI6 is required: ESP32-C5, ESP32-C6 or ESP32-P4 with ESP32-C6-MINI-1 module (UNTESTED)
Devices ranked best-to-worst:
- ESP32-P4 with ESP32-C6-MINI-1 module (UNTESTED)
- ESP32-S3 with PSRAM
- ESP32-C5 with PSRAM
- ...... <br>
(Devices below will not support some Nuki Hub functions, be slower and/or are more likely to experience unexpected crashes)
- ESP32-S3 without PSRAM
@@ -83,6 +84,7 @@ Devices ranked best-to-worst:
- ESP32 without PSRAM
- ...... <br>
(Devices below will not support more Nuki Hub functions, be slower and/or are more likely to experience unexpected crashes)
- ESP32-C5
- ESP32-C6
- ESP32-solo1
- ESP32-C3
@@ -189,6 +191,7 @@ On version >=9.10 of Nuki Hub with only a Nuki Lock connected the expected free
- ESP32: 70.000 bytes
- ESP32 with PSRAM: 110.000 bytes + PSRAM
- ESP32-C3: 90.000 bytes
- ESP32-C5: TBD bytes
- ESP32-C6: 200.000 bytes
- ESP32-S3 130.000 bytes
- ESP32-S3 with PSRAM: 180.000 bytes + PSRAM
@@ -943,7 +946,7 @@ Now connect via Wi-Fi and change the network hardware to "Generic W5500".<br>
If Ethernet hardware isn't detected or initialised properly after changing the network device, Wi-Fi will be used as a fallback.<br>
<br>
Note: LAN8720 modules are only supported on the ESP32, ESP32-P4 and ESP32-Solo1, not on the ESP32-S3, ESP32-C3 or ESP-C6<br>
Note: LAN8720 modules are only supported on the ESP32, ESP32-P4 and ESP32-Solo1, not on the ESP32-S3, ESP32-C3, ESP32-C5 or ESP-C6<br>
## FAQ / Troubleshooting