Iconic Casio F-91W watch transformed right into a smartwatch

Electronic fans considering upgrading a basic Casio wristwatch, reworking it right into a hackable, programmable smartwatch could also be within the Sensor Watch object over on the Crowd Supply web site after initially elevating over $45,000 because of over 700 backers the distinctive smartwatch mission is now out there to preorder with costs ranging from simply $36.

Casio smartwatch

“Sensor Watch is a bridge between eras. It takes an iconic 30-year-old design from a golden age of digital watches, and pairs it with a modern, powerful microcontroller and state-of-the-art sensing capabilities. This small circuit board, less than an inch in diameter, replaces the original quartz movement in a Casio F-91W watch to put the capabilities of an ultra-low-power ARM Cortex M0+ microcontroller on your wrist.”

“Sensor Watch just isn’t like most sensible watches. It makes a special set of engineering tradeoffs, to realize a special set of targets:

Instead of a high-resolution TFT LCD, Sensor Watch repurposes the Casio F-91W’s monochrome phase LCD. This provides it an always-on show that consumes mere microamperes of energy.
By avoiding energy hungry options like Wi-Fi and Bluetooth, Sensor Watch can run for a yr or extra on a single 100 mAh coin cell, eliminating the necessity for frequent recharging.
The lack of an exterior charging port, coupled with reuse of the F-91W’s famously water-proof enclosure, makes this a hackable wristwatch that may deal with depths as much as 30 meters.”

“There are others (stopwatch, pulsometer, battery voltage), but the important thing isn’t the apps that come with Sensor Watch. The important thing is that Sensor Watch is open source and easily hackable, which means you can write the apps that make sense for YOU. Do you want an astronomy face that can show you moon phase and predict satellite passes? A transit face programmed with train arrivals for your nearest subway station? An astrology face that can tell you if Mercury is in retrograde? These are all apps that you could write for Sensor Watch.”

Specifications

• ARM Cortex M0+ microcontroller operating at as much as 32 MHz
• 256 KB of on-chip Flash, with as much as 16 KB EEPROM emulation space
• 32 KB of RAM with full retention in low-power standby mode
• 32.768 kHz crystal for real-time clock performance with alarm help
• Red & inexperienced PWM’ready LED backlight (crimson & blue on limited-edition boards)
• On-board USB Micro B connector
• Reset button with double-tap UF2 bootloader
• Nine-pin flex PCB connector for sensor boards
• Controller for ten digit phase LCD, plus 5 indicator segments
• Edge-plated contacts for 3 interrupt-capable buttons
• Connection pad for piezo buzzer (requires mild soldering)
• Open Source

Source : Crowd Supply

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