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Cheaper solution:
1. The charging pile has OCPP
HomeAssistant comes with built-in OCPP integration and a HomeKit Bridge, requiring no additional hardware and only about 15 lines of YAML:
ocpp:
central_system:
host: 0.0.0.0 port: 9000homekit:
- filter:
include_entities:
- switch.charger_start_stop - sensor.charger_powerThe charging pile is configured with an OCPP pointing to the HA's IP: 9000, allowing for immediate connection via scanning with the Apple Home app.
2. Charging Pile Without OCPP: 8-Yuan Hardware Solution
ESP8266 module (5 yuan) + current sampling chip (3 yuan), dry contact control for start/stop, ESPHome firmware, total YAML about 45 lines, still no Python required.
3. Core pitfalls:
11kW three-phase power sampling requires a three-phase metering chip, as single-phase sampling readings are only 1/3 of the actual value; the Apple Home app only displays on/off status and power, but not SOC (state of charge) and charging status.
The AC charging pile mainboard produced by XinCheng Technology is of high quality and competitive price. Welcome to inquire and purchase!
Contact：SHEN ZHEN X-CHENG Technology Co.,Ltd
Phone：18025316892
Tel：0755-21010929
Email：shutao.chen@x-cheng.com
Address：Room B911, Zhantao Technology Building, Longhua District, Shenzhen