There’s a huge market for 433 MHz alarm system hardware out there, from PIR motion detectors to door and window sensors ... 433 MHz receiver module to an ESP32 or ESP8266 microcontroller ...
XDA Developers on MSN6d
You too can make this cool e-ink Pomodoro timer with an ESP32DIY Pomodoro project uses ESP32 microcontroller, not a Pi ESP32 is great for IoT projects needing Wi-Fi, Bluetooth Rukenshia ...
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