
HASwitchPlate
by aderusha
LCD touchscreen for Home Automation

by aderusha
LCD touchscreen for Home Automation

by jibrilsharafi
Smart energy meter capable of monitoring up to 16 channels. Supports MQTT, REST API, Modbus TCP, InfluxDB, AWS IoT Core. Friendly UI and fully open source (PCB, schematics, components, source code)
by kylemanna
ESP32 Air Quality Sensor with PMSA003 + BME680 and 1.14" LCD

by roepkefeller
DIY air quality monitor: ESP32-C3, 4 Sensirion/Bosch sensors, custom 4-layer PCB, ESPHome firmware with Home Assistant integration.
by vedderb
Active precharce circuit with optional switch input
by hazymat
Home Automation Room Controller
by rauli2780
Open-source drop-in PCB replacement for Google Nest Audio with Home Assistant integration

by valletw
ESP32 ATX Power Controller

by firepick
Javascript library for parsing PCB file formats having rich metadata. Compatible with nodejs, jspcb can be used on the server or in the browser client in the context of automated pick-and-place (PnP).

by c0de111
Battery-powered e-paper sign: room signage, sensor graphs, home automation, or anything over Wi-Fi. Wakes by real-time clock, NFC tap, or button. Raspberry Pi Pico W firmware, custom PCB, and 3D-printed case included.

by mmalecki
4-axis PCB stencil printer

by nsfilho
Opensource firmware for super-easy automation board based on ESP8266-12 (ESP12) in IDF style

by Kampi
Zigbee environment sensor device with Zigbee2MQTT support.

by StingraySA
Instructions to build a DIY water tank level sensor using a cheap ultrasonic sensor and integrate it into Home Assistant.

by jonathanrjpereira
⌛ Control a relay connected device for a period of 1 to 100 seconds using a 555
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