We’ve seen a number of open source smart watches over the years, and while they’ve certainly been impressive from a technical standpoint, they often leave something to be desired in terms of fit and finish. Exposed PCBs and monochromatic OLED displays might be fine for a trip to the hackerspace, but it wouldn’t be our first choice for date night attire.
Enter the Open-SmartWatch from [pauls_3d_things]. This ESP32 powered watch packs a gorgeous circular 240×240 TFT display, a DS323M RTC, BMA400 three-axis accelerometer, and a 450 mAh battery inside of a 3D printed enclosure that can be produced on your average desktop machine. WiFi and Bluetooth connectivity are a given with the ESP32, but there’s also an enhanced edition of the PCB that adds another 4 MB of RAM, a micro SD slot, and a Quectel L96 GPS receiver.
The GPS edition of the PCB
As it’s an open source project you’re free to download the PCB design files and get the board produced, but [pauls_3d_things] has actually partnered with LILYGO to do a run of the Open-SmartWatch electronics which you can pick up on AliExpress right now for just $24 USD. You’ll still need to order the battery separately and 3D print your own case, but it still seems like a pretty sweet deal to us.
On the software front, things are pretty basic right now. The watch can update the time from NTP using a pre-configured WiFi network, and there’s a Bluetooth media controller and stopwatch included. Of course, these are still ea ..
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