A Coin Cell Powers This Tiny ESP32 Dev Board

Just for the challenge, just for fun, just for bragging rights, and just to do a little showing off - all perfectly valid reasons to take on a project. It seems like one or more of those are behind th

ESP-WROOM-32 ESP32 WiFi Bluetooth Wireless Development Board Module ESP8266 BSG

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Introduction Beetle ESP32-C3, mainly intended for IoT applications, is a controller based on ESP32-C3 RISC-V 32bit single-core processor. Mini Size and User-Friendly On a coin-size board of 25*20.5 mm,The Beetle ESP32-C3 is up to 13 IO ports broken out, so you don't have to worry about running out of IO ports when making projects. Moreover, its mini size effortlessly integrates into a miniature devices and offering both powerful functions and connectivity.