- o -

• OnBootRestoreFrom : esphome::thermostat
• OperatingAge : esphome::bme68x_bsec2
• OperationMode : esphome::bmp3xx_base , esphome::bmp581 , esphome::opentherm
• OpModeStruct : esphome::ld2420
• OtaHttpRequestError : esphome::http_request
• OTAResponseTypes : esphome::ota
• OTAState : esphome::ota
• OutPinLevelStructure : esphome::ld2410
• OutputSwitch : esphome::seeed_mr24hpc1
• OutRangeMode : esphome::as5600
• Oversampling : esphome::bmp3xx_base , esphome::bmp581