Bangle.js 2 is an open, hackable smartwatch. With a sunlight-readable always-on screen, 4-week battery life, complete flexibility, and complete control of your data, Bangle.js 2 is a refreshing break from expensive smartwatches.
Bangle.js 2.0 specs:
IP67 Waterproof (max 1 meter for 30 minutes)
Nordic 64MHz nRF52840 ARM Cortex-M4 processor with Bluetooth LE
256kB RAM, 1MB on-chip flash, 8MB external flash
1.3 inch 176×176 always-on 3-bit color LCD display (LPM013M126) with backlight
Full touchscreen (6H hardness glass)
Heart rate monitor
3 Axis Accelerometer
3 Axis Magnetometer
Air Pressure/Temperature sensor
200mAh battery, 4 week standby time
36mm x 43mm x 12mm watch body, with standard 20mm watch straps
Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.