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Alasdair Allan on X: "In today's mailbag, a developer version of the new Bangle.js 2 #smartwatch. Built around a 64MHz nRF52840 ARM Cortex-M4 the watch has a touchscreen, heart rate monitor, 3-axis
![Bangle.js v2 - Hackable Javascript Smart Watch : ID 5427 : $89.95 : Adafruit Industries, Unique & fun DIY electronics and kits Bangle.js v2 - Hackable Javascript Smart Watch : ID 5427 : $89.95 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-shop.adafruit.com/product-videos/1024x768/5427-06.jpg)
Bangle.js v2 - Hackable Javascript Smart Watch : ID 5427 : $89.95 : Adafruit Industries, Unique & fun DIY electronics and kits
![Bangle.js 2 Offers an Open and Refreshing Break From Expensive Smartwatches with JavaScript - Hackster.io Bangle.js 2 Offers an Open and Refreshing Break From Expensive Smartwatches with JavaScript - Hackster.io](https://hackster.imgix.net/uploads/attachments/1354654/directions_on_wrist_zUUAbzhLJU.png?auto=compress%2Cformat&w=740&h=555&fit=max)