What Is the DS1307 RTC Module? The DS1307 is a real-time clock IC that communicates via the I²C protocol, providing time (hours, minutes, seconds) and date (day, month, year) with leap-year compensation valid through 2100. It includes 56 bytes of battery-backed NV SRAM, a programmable square-wave output, and a built-in power-fail detection circuit that switches to backup battery when... https://epro.pk/product/10a-12v-one-1-channel-relay-module-in-pakistan/