I’m trying to install my new Konnected alarm interface kit today. I can connect to the device over ethernet in the Konnected app. I then go into settings, start configuration, and then get a firmware build failure:
Script started on 2026-05-17 19:41:33+00:00 []
INFO ESPHome 2026.4.5
INFO Reading configuration esphome-configs/konnected-441d642f4768.1.yaml…
WARNING GPIO2 is a strapping PIN and should only be used for I/O with care.
Attaching external pullup/down resistors to strapping pins can cause unexpected failures.
See https://esphome.io/guides/faq/#why-am-i-getting-a-warning-about-strapping-pins
INFO Generating C++ source…
INFO Setting CONFIG_LWIP_MAX_SOCKETS to 13 (TCP=8 [api=3, web_server=5], UDP=2 [mdns=2], TCP_LISTEN=3 [api=1, ota=1, web_server_base=1])
INFO Compiling app… Build path: /home/ec2-user/esphome-configs/.esphome/build/konnected-441d642f4768
Processing konnected-441d642f4768 (board: wesp32; framework: espidf; platform: https://github.com/pioarduino/platform-espressif32/releases/download/55.03.38-1/platform-espressif32.zip)
HARDWARE: ESP32 240MHz, 320KB RAM, 4MB Flash
- contrib-piohome @ 3.4.4
- framework-espidf @ 3.50504.0 (5.5.4)
- tool-cmake @ 4.0.3
- tool-esp-rom-elfs @ 2024.10.11
- tool-esptoolpy @ 5.2.0
- tool-ninja @ 1.13.1
- tool-scons @ 4.40801.0 (4.8.1)
- tool-xtensa-esp-elf-gdb @ 16.3.0+20250913
- toolchain-xtensa-esp-elf @ 14.2.0+20260121
Using Python 3.12.11 environment at: /home/ec2-user/.platformio/penv/.espidf-5.5.4
Reading CMake configuration…
No dependencies
Building .pioenvs/konnected-441d642f4768/bootloader.bin
sh: line 1: /home/ec2-user/.platformio/penv/bin/esptool: No such file or directory
*** [.pioenvs/konnected-441d642f4768/bootloader.bin] Error 127
========================== [FAILED] Took 3.49 seconds ==========================