Arduino Real Time Alarm Clock DS3231 with TM1638. Arduino Clock with Battery backup (real time clock), Time, Date, Alarm, Temperature, TM1638 seven segment module output and input, Display Sleep mode.

This is a 20-channel relay module that uses an analog signal as a detector for PLCs or a simple burglar alarm. Connect the module to a 24V power source. Use analog signals to activate relays.

Perfect for beginners, this all-in-one package includes essential components like sensors, relays, LEDs, and more, making it ...

Before today, we probably would have said that scratch-built relay computers were the sole domain of only the most wizardly of graybeards. But this impressive build sent in by [Will Dana] shows ...

Sanofi S.A. Part Cert-1.97% €8.03M ...

ESP32 IoT Relay Board specifications: Wireless module – ESP32-WROOM-32D SoC – Espressif ESP32-D0WD dual-core Tensilica LX6 processor @ 240 MHz Storage – 32Mbit SPI flash Connectivity – Wi-Fi 802.11 ...