I'm passionate about smart home technology, I use Home Assistant and will be offering specialized builds for it in my shop like :

        Interface between Home Assistant and Mitsubishi air conditioner

        VISULED : WLED visual feedback for Home Assistant,  Jeedom ...

        LD2450-2HA with options : Light sensor (BH1750) - LED - Buzzer

        LD2410-2HA with options : Light sensor (BH1750) - LED - Buzzer

        ESP30-2HA with options : SGP30 - SCD40 - SGP41 - LED - Buzzer - temperature - humidity

        LED10RGB-2HA  (10 mm RGB LED)  with options : Faceted dome - Buzzer

        RFID-2HA : radio frequence identification reader

        LED5-2HA  (5 mm LEDs) COMING SOON, with options : Buzzer

        BUZZER-2HA  COMING SOON, with options : LED

        ...