Xyla Foxlin and Becky Stern team up to develop DIY version of a bear that senses hugs and transmits them via the internet to a remote bear.
The project uses a number of Adafruit parts including Feather ESP8266 Huzzah boards, MPRLS pressure sensors and vibration motors attached to a permanent breadboard. Programming is via Arduino and uses the Arduino IoT Cloud service.
See the video below and more in the post here. Via X.
[Becky Stern] has created the mindfulness bracelet, a wearable which looks great and serves an important purpose. The bracelet buzzes every hour to remind you to stand up and take a break from work, soldering, gaming, or whatever it is you may be doing. The bracelet is made up of interlinked figure 8 shapes of leather, though [Becky] says rubber from a bicycle inner tube works great as well. The final shape reminds us of the link belts sometimes found on lathes or other industrial equipment. The links are the perfect size to slip an Arduino Gemma in, along with a battery and vibrating motor. A NPN transistor, diode, and resistor round out the entire bill of materials for this design. This bracelet is a heck of a lot cheaper than the Apple watch feature which inspired it!
The time interval is set in the code to 1 hour, and can be adjusted by the user. Although the times are stored in milliseconds, the design does use the ATtiny85’s Watchdog Timer (WDT) to conserve power. This means the time can drift up to 30 seconds per hour, which is fine in this application.
Click past the break to see the bracelet in action!
Becky Stern, director of wearable electronics at Adafruit Industries, shares ten fabulous and fashionable projects you can try yourself. 
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