3/28/2023 0 Comments Automatic vacuum![]() ![]() The 30 amp one will not be sensitive enough for this project, so choose the five or twenty variant. They come in 5, 20, and 30 amp varieties. These Hall-effect sensor breakout boards are notoriously flakey, but for this project, all it needs to do is detect a change in current, not take an accurate current reading. Alternatively, you could use a plain UNO and add an ESP8266 chip to it. You can use an Arduino but it will have to be one of the few that have WiFi. You can use any microcontroller for this project, but it needs to have Wi-Fi capabilities, so boards based on the ESP8266 or ESP32 chips are best. This is my number one favorite of all time microcontroller because it is small and cheap.
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