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Updated Mini ESP32s3 Device Build (markdown)
rstrouse
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@ -66,7 +66,44 @@ You want the wires coming out of the top of the board. If you examine the trans
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I cut one 4inch length of wire of each color (8 pieces) then carefully matched them to the pin number below. Once I got all of the wires soldered to the transceiver I used a short piece of shrink tube to keep them together. I did this so that it was less likely to stress any one wire while soldering them to the board or handling during assembly.
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### Solder to Breadboard
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Before mounting the ESP32s3 onto the breadboard I soldered the wires from the transceiver to the board between the sets of pins. This proved to provide a compact way of keeping the wires secure and relieve stress on the solder joints. When the ESP32s3 is finally soldered to the board, the wires will be between the two boards. The picture below highlights the locations where I soldered the wires.
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#### TIP: Solder order
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Start with pin the pins that are closest to the transceiver while soldering and ensure at least 5/8 of an inch between each board. This way when you set it into the PVC enclosure it will fit neatly with the transceiver on one side and the ESP32s3 on the other. Optimum solder order 5, 4, 7, 6, 8, 2, 3, 1.
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### Install and Test
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Before you solder the ESP32s3 to the pins first slide the ESP32 onto the top 1/3 of the pins of the headers ensuring the proper direction. The USB port should be protruding past the edge of the board bottom in the orientation pictured above. Do not push the ESP32 down all the way on the pins and using slight pressure on only one side of the board push the one side down slightly more to ensure good connection.
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Now install ESPSomfy RTS if you have not already and configure the radio so that the pin functions match the layout. Test thoroughly as changing the wiring after you solder the ESP32 into place will become very difficult.
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### Final Pre Assembly
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Once you are satisfied with the operation, push the ESP32s3 all the way down on the pins and solder it in place. Also take a small piece of electrical tape and cut a slit in it then place it over the exposed contacts on the antenna as pictured below. Do not skip this step, doing so will cause the ESP32 to reboot every time the exposed contact touches the metal shield or pins on the ESP32.
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### Enclosure Setup
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Position the assembly into the enclosure and mark where the USB connector and radio antenna will be exiting the case. NOTE: The radio antenna will exit low in the case as it is expect to sit nearly flush with the bottom of the case and you want the side of the case to stabilize the antenna module on one side. Study the pics and dry fit before cutting and drilling. Carefully use an x-acto or utility knife to cut the enclosure for the USB connector as shown and drill a hole for the antenna near the bottom of the enclosure. You will need to trim a little bit on the lid for the USB connector but that will hold it all in place.
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With the and antenna in place I used some scrap ABS plastic and glued a couple of stops in place. I used ABS glue for black plastic pipes to glue it in place as it dries in about 5 minutes.
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After you have fit the case to your liking, position the antenna on top of the board and close up the case. In the end I did not affix the antenna to the lid of the case since it makes it easier to remove the lid without damaging the antenna. I simply positioned it all carefully to ensure the antenna was not getting closed up by the antenna and snapped on the lid.
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## Final Device
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Once you are done you will have a device that looks like the one in the picture. And if you have a wishing well the quarter will have some utility as well. A few suggestions on this is that you should wish for at least $20 bill.
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