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The ClimateGuard challenge has launched an Espressif ESP32-based board designed particularly for sensor-heavy tasks, providing solder-free connectivity utilizing JST connectors: the CG_mini.
“[The CG_mini is a] common motherboard designed for sensor primarily based, monitoring and residential automation tasks primarily based on ESP32-WROOM microcontroller,” its creator explains. “The distinctiveness of CG_mini lies within the distribution of all ports and interfaces to JST 2.54[mm] connectors, which lets you create full options with out utilizing a improvement board, soldering and growing your individual PCB.”
The CG_mini goals to make sensor tasks a cinch by means of easy-to-use JST connector wiring. (📷: ClimateGuard)
That includes the ESP32-WROOM module at one aspect of the board, giving the board Wi-Fi and Bluetooth connectivity, the CG_mini affords a spread of connectivity choices: Three I2C interfaces, two UARTs, a single analog enter, a OneWire interface, an SPI interface, and a “logic port” able to dealing with a great deal of as much as 0.5A.
One other key characteristic: A {hardware} watchdog with timer, designed to pressure a tough reset of the ESP32 once in a while — as soon as a minute, by default — as a way to forestall points attributable to a hung program. Energy, in the meantime, comes from a USB Kind-C connector or terminals and a DC jack supporting between 9 and 28V. Lastly, there are two RGB LEDs, a user-addressable button, and a bodily on/off swap.
Schematics and a knowledge sheet can be found on the ClimateGuard GitHub repository, whereas assembled boards can be found on Tindie for $34.99 every.
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