Power relay to control 400 VAC 3-phase supply - clock, week based - 4 switchs - 6 time tables
Hardware: Arduino UNO; relay 5V=/230VAC; Clock I2C model DS3231; LCD I2C model 4 lines x 20 chr; 4 push buttons The relay can be activated by button, by 6 commutation tables. Each commutation at a defined time HH:MM, is actived for a day of the week or all days. Menu driven, the buttons let the clock be set and the adjust the time+day of 6 tables