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MKS-DLC32
MKS DLC32 motherboard kit, which is an offline engraving master control kit developed for desktop engraving machines. The hardware is equipped with a 32-bit high-speed ESP32 module, integrated WIFI function, and directly drives a 3.5-inch touch color screen; it can realize fast engraving and WEB web pages. Control, mobile phone APP control and other functions.
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SurveyJS
Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.
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esphome-devices
ESPHome Device Configurations Repository - A database of user submitted configurations for a variety of devices which can be flashed to run ESPHome.io firmware.
Products based on the Makerbase spindle/laser engraver, like all the inexpensive 3018 CNCs, all use an older ESP32.
https://github.com/makerbase-mks/MKS-DLC32
Many/all of the Sonoff smart home things use various ESP chips:
https://www.cnx-software.com/2022/06/17/sonoff-pow-elite-esp...
Yes, I've used it in a commercial product with 10000+ deployments. It was the only chip with BLE and WiFi, so there was no other option at the time. If the requirements were different, I would use something from Nordic Semiconductors [0] or some ARMv8 chip.
The hardware itself is fine, but the biggest pain was getting stable WiFi and BLE connections simultaneously, because of only one antenna/radio. RAM was also a problem, it would be great to have at least 512kb. The SDK from Espressif is sometimes a little bit weird, but usable and bugs are fixed quickly. The build system is ok, nothing special.
[0] https://www.nordicsemi.com/
