Project homepage -- https://github.com/technyon/nuki_hub Howto flash (Webflash) -- -The easiest way to install is to use the web installer using a compatible browser like Chrome/Opera/Edge -Open https://technyon.github.io/nuki_hub/ -Connect your ESP to the computer using USB -Click on "Connect" -Select your device from the list and click on "Connect" -Select "INSTALL NUKIHUB" -Optionally select "Erase device" -Click on "Next" -Click on "Install" Howto flash (Espressif Flash Download Tools) -- - Download the Espressif Flash Download Tools (https://www.espressif.com/en/support/download/other-tools) - Unpack and start tool - Add all four bin files with the corresponding address: ESP32 e000 boot_app0.bin 1000 nuki_hub_bootloader_esp32.bin 8000 nuki_hub_partitions_esp32.bin 10000 nuki_hub_esp32.bin 270000 nuki_hub_updater_esp32.bin ESP32-NOPSRAM e000 boot_app0.bin 1000 nuki_hub_bootloader_esp32nopsram.bin 8000 nuki_hub_partitions_esp32nopsram.bin 10000 nuki_hub_esp32nopsram.bin 270000 nuki_hub_updater_esp32nopsram.bin ESP32-GL-S10 e000 boot_app0.bin 1000 nuki_hub_bootloader_esp32gls10.bin 8000 nuki_hub_partitions_esp32gls10.bin 10000 nuki_hub_esp32gls10.bin 270000 nuki_hub_updater_esp32gls10.bin ESP32-S3 e000 boot_app0.bin 0 nuki_hub_bootloader_esp32s3.bin 8000 nuki_hub_partitions_esp32s3.bin 10000 nuki_hub_esp32s3.bin 270000 nuki_hub_updater_esp32s3.bin ESP32-S3-NOPSRAM e000 boot_app0.bin 0 nuki_hub_bootloader_esp32s3nopsram.bin 8000 nuki_hub_partitions_esp32s3nopsram.bin 10000 nuki_hub_esp32s3nopsram.bin 270000 nuki_hub_updater_esp32s3nopsram.bin ESP32-S3-OCT e000 boot_app0.bin 0 nuki_hub_bootloader_esp32s3oct.bin 8000 nuki_hub_partitions_esp32s3oct.bin 10000 nuki_hub_esp32s3oct.bin 270000 nuki_hub_updater_esp32s3oct.bin ESP32-C3 e000 boot_app0.bin 0 nuki_hub_bootloader_esp32c3.bin 8000 nuki_hub_partitions_esp32c3.bin 10000 nuki_hub_esp32c3.bin 270000 nuki_hub_updater_esp32c3.bin ESP32-C5 e000 boot_app0.bin 2000 nuki_hub_bootloader_esp32c5.bin 8000 nuki_hub_partitions_esp32c5.bin 10000 nuki_hub_esp32c5.bin 260000 nuki_hub_updater_esp32c5.bin ESP32-C6 e000 boot_app0.bin 0 nuki_hub_bootloader_esp32c6.bin 8000 nuki_hub_partitions_esp32c6.bin 10000 nuki_hub_esp32c6.bin 270000 nuki_hub_updater_esp32c6.bin ESP32-C61 e000 boot_app0.bin 0 nuki_hub_bootloader_esp32c61.bin 8000 nuki_hub_partitions_esp32c61.bin 10000 nuki_hub_esp32c61.bin 270000 nuki_hub_updater_esp32c61.bin ESP32-H2 e000 boot_app0.bin 0 nuki_hub_bootloader_esp32h2.bin 8000 nuki_hub_partitions_esp32h2.bin 10000 nuki_hub_esp32h2.bin 270000 nuki_hub_updater_esp32h2.bin ESP32-P4 e000 boot_app0.bin 2000 nuki_hub_bootloader_esp32p4.bin 8000 nuki_hub_partitions_esp32p4.bin 10000 nuki_hub_esp32p4.bin 270000 nuki_hub_updater_esp32p4.bin ESP32-SOLO1 e000 boot_app0.bin 1000 nuki_hub_bootloader_esp32solo1.bin 8000 nuki_hub_partitions_esp32solo1.bin 10000 nuki_hub_esp32solo1.bin 270000 nuki_hub_updater_esp32solo1.bin Make sure the checkmarks for all files are enabled. - Select the COM-Port the ESP device is connected to - Click "START" - The flash process should start. If it doesn't you eventually have to press a button (labeled BOOT or similar) or short the corresponding PIN on the ESP device Howto flash (esptool) -- As an alternative to the Download Tools, you can also use the esptool from the Espressif SDK. The command line to flash looks like this: ## ESP32 esptool.py --chip esp32 --port /dev/ttyUSB0 --baud 921600 --before default-reset --after hard-reset write-flash -z --flash-mode dio --flash-freq keep --flash-size detect 0xe000 boot_app0.bin 0x1000 nuki_hub_bootloader_esp32.bin 0x10000 nuki_hub_esp32.bin 0x270000 nuki_hub_updater_esp32.bin 0x8000 nuki_hub_partitions_esp32.bin ## ESP32-NOPSRAM esptool.py --chip esp32 --port /dev/ttyUSB0 --baud 921600 --before default-reset --after hard-reset write-flash -z --flash-mode dio --flash-freq keep --flash-size detect 0xe000 boot_app0.bin 0x1000 nuki_hub_bootloader_esp32nopsram.bin 0x10000 nuki_hub_esp32nopsram.bin 0x270000 nuki_hub_updater_esp32nopsram.bin 0x8000 nuki_hub_partitions_esp32nopsram.bin ## ESP32-GL-S10 esptool.py --chip esp32 --port /dev/ttyUSB0 --baud 921600 --before default-reset --after hard-reset write-flash -z --flash-mode dio --flash-freq keep --flash-size detect 0xe000 boot_app0.bin 0x1000 nuki_hub_bootloader_esp32gls10.bin 0x10000 nuki_hub_esp32gls10.bin 0x270000 nuki_hub_updater_esp32gls10.bin 0x8000 nuki_hub_partitions_esp32gls10.bin ## ESP32-S3 esptool.py --chip esp32s3 --port /dev/ttyUSB0 --baud 921600 --before default-reset --after hard-reset write-flash -z --flash-mode dio --flash-freq keep --flash-size detect 0xe000 boot_app0.bin 0x0 nuki_hub_bootloader_esp32s3.bin 0x10000 nuki_hub_esp32s3.bin 0x270000 nuki_hub_updater_esp32s3.bin 0x8000 nuki_hub_partitions_esp32s3.bin ## ESP32-S3-NOPSRAM esptool.py --chip esp32s3 --port /dev/ttyUSB0 --baud 921600 --before default-reset --after hard-reset write-flash -z --flash-mode dio --flash-freq keep --flash-size detect 0xe000 boot_app0.bin 0x0 nuki_hub_bootloader_esp32s3nopsram.bin 0x10000 nuki_hub_esp32s3nopsram.bin 0x270000 nuki_hub_updater_esp32s3nopsram.bin 0x8000 nuki_hub_partitions_esp32s3nopsram.bin ## ESP32-S3-OCT esptool.py --chip esp32s3 --port /dev/ttyUSB0 --baud 921600 --before default-reset --after hard-reset write-flash -z --flash-mode dio --flash-freq keep --flash-size detect 0xe000 boot_app0.bin 0x0 nuki_hub_bootloader_esp32s3oct.bin 0x10000 nuki_hub_esp32s3oct.bin 0x270000 nuki_hub_updater_esp32s3oct.bin 0x8000 nuki_hub_partitions_esp32s3oct.bin ## ESP32-C3 esptool.py --chip esp32c3 --port /dev/ttyUSB0 --baud 921600 --before default-reset --after hard-reset write-flash -z --flash-mode dio --flash-freq keep --flash-size detect 0xe000 boot_app0.bin 0x0 nuki_hub_bootloader_esp32c3.bin 0x10000 nuki_hub_esp32c3.bin 0x270000 nuki_hub_updater_esp32c3.bin 0x8000 nuki_hub_partitions_esp32c3.bin ## ESP32-C5 esptool.py --chip esp32c5 --port /dev/ttyUSB0 --baud 921600 --before default-reset --after hard-reset write-flash -z --flash-mode dio --flash-freq keep --flash-size detect 0xe000 boot_app0.bin 0x2000 nuki_hub_bootloader_esp32c5.bin 0x10000 nuki_hub_esp32c5.bin 0x260000 nuki_hub_updater_esp32c5.bin 0x8000 nuki_hub_partitions_esp32c5.bin ## ESP32-C6 esptool.py --chip esp32c6 --port /dev/ttyUSB0 --baud 921600 --before default-reset --after hard-reset write-flash -z --flash-mode dio --flash-freq keep --flash-size detect 0xe000 boot_app0.bin 0x0 nuki_hub_bootloader_esp32c6.bin 0x10000 nuki_hub_esp32c6.bin 0x270000 nuki_hub_updater_esp32c6.bin 0x8000 nuki_hub_partitions_esp32c6.bin ## ESP32-C61 esptool.py --chip esp32c61 --port /dev/ttyUSB0 --baud 921600 --before default-reset --after hard-reset write-flash -z --flash-mode dio --flash-freq keep --flash-size detect 0xe000 boot_app0.bin 0x0 nuki_hub_bootloader_esp32c61.bin 0x10000 nuki_hub_esp32c61.bin 0x270000 nuki_hub_updater_esp32c61.bin 0x8000 nuki_hub_partitions_esp32c61.bin ## ESP32-H2 esptool.py --chip esp32h2 --port /dev/ttyUSB0 --baud 921600 --before default-reset --after hard-reset write-flash -z --flash-mode dio --flash-freq keep --flash-size detect 0xe000 boot_app0.bin 0x0 nuki_hub_bootloader_esp32h2.bin 0x10000 nuki_hub_esp32h2.bin 0x270000 nuki_hub_updater_esp32h2.bin 0x8000 nuki_hub_partitions_esp32h2.bin ## ESP32-P4 esptool.py --chip esp32p4 --port /dev/ttyUSB0 --baud 921600 --before default-reset --after hard-reset write-flash -z --flash-mode dio --flash-freq keep --flash-size detect 0xe000 boot_app0.bin 0x2000 nuki_hub_bootloader_esp32p4.bin 0x10000 nuki_hub_esp32p4.bin 0x270000 nuki_hub_updater_esp32p4.bin 0x8000 nuki_hub_partitions_esp32p4.bin ## ESP32-P4C5 esptool.py --chip esp32p4 --port /dev/ttyUSB0 --baud 921600 --before default-reset --after hard-reset write-flash -z --flash-mode dio --flash-freq keep --flash-size detect 0xe000 boot_app0.bin 0x2000 nuki_hub_bootloader_esp32p4c5.bin 0x10000 nuki_hub_esp32p4c5.bin 0x270000 nuki_hub_updater_esp32p4c5.bin 0x8000 nuki_hub_partitions_esp32p4c5.bin ## ESP32-SOLO1 esptool.py --chip esp32 --port /dev/ttyUSB0 --baud 921600 --before default-reset --after hard-reset write-flash -z --flash-mode dio --flash-freq keep --flash-size detect 0xe000 boot_app0.bin 0x1000 nuki_hub_bootloader_esp32solo1.bin 0x10000 nuki_hub_esp32solo1.bin 0x270000 nuki_hub_updater_esp32solo1.bin 0x8000 nuki_hub_partitions_esp32solo1.bin Adjust the serial device and path to the binaries if necessary.