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Esp8266 read info from power meter by IrDA interface

License: The Unlicense

JavaScript 0.87% C++ 2.51% Python 1.45% C 88.92% PHP 0.01% Objective-C 0.25% Assembly 0.44% CSS 0.14% Makefile 1.21% HTML 3.65% Batchfile 0.48% NASL 0.07%

powermeter-irda's Introduction

PowerMeter IrDA interface

Web server based on esp8266 with IrDA interface to power meter (Mercury 230/231 AT).
Over-The-Air firmware updating.

Подробно здесь: vad-7.blogspot.ru

Возможности: Получение данных со многотарифных счетчиков Меркурий 231 АТ (230) через инфракрасный порт.
Отправка данных на IoT сервер.
Автоматическая корректировка времени счетчика.
Графики - по дням, по часам, детально по минутам.
Отправка произвольной команды на счетчик.

Использутся i2c FRAM память (30 байт).
Данные для графиков записываются во флеш память модуля esp.
Два циклических буфера - по дням на 7680 дней и детальное потребление до конца памяти (для флеши 4 Мбайта - 2136 дней).

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Схема (bin/firmware.bin): SCH

Схема с конвертером UART-IrDA MCP2120 (bin/firmware_with_MCP2120.bin):

SCH

VCC - 3.3V
FM24* - I2C FRAM memory

powermeter-irda's People

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