QT Py Esp32 Pico Outlet Holder with Stacker
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A QTPy circuit board holder with an extension arm for a "outlet's" face plate screw.
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The over arching goal is to replace my outlet receptacles with ones that have a USB power port, and then to be able to power small sensors from the USB power port while keeping the main outlets available.
I needed a form-factor that would make it easy to mount a microcontroller and add a sensor to the outlet and remain out of the way for any other plugs that someone may want to use.
I wanted to use the Adafruit QTPy ESP32 Pico because of it's price point and functionality was great for what I needed (capture a sensor's outputs and report it to Home Assistant via WiFi).
I saw that there was already a 3D model of half of an enclosure available for the Pico, and all I needed to do was construct a holder for the sensor that the Pico was going to connect to.
The Adafruit HTU31 Temperature and Humidity Sensor seemed like a great fit and I could connect to the Pico using a Qwiic connection.
All screws used to put the "stacker" and the Pico holder are M2.5 sized. The stand-offs used are M2.5 x 10mm. All screws/stand-offs are nylon.