eastronSDM230 read data using modbus (rs485)

Описание

(Eastron SDM230 ) read data from meter SDM230 on modbus (rs485) with arduino ( in this video i'm using arduino uno) and module converter rs485 to ttl ( hardware/software serial uart ).
Module convert: https://www.openimpulse.com/blog/products-page/product-category/max485-rs-485-to-ttl-converter-module-3/
Eastron SDM230 : http://www.eastrongroup.com/productsview/52.html
contact : tuyenathai@gmail.com - +84932517611 (Viet Nam)
source code: https://github.com/ThaiTuyen/Eastron_metter