The Future board watch expansion board kit is a product that adds more functions to the Future board. When equipped with this expansion board, users can design and develop various wearable devices, and be as creative as they want on the Internet of Things. It is a cost-effective product tailored for enthusiasts, providing users chances to create in daily life, entertainment, learning, sports, etc. It has a wealth of examples for beginners to get started quickly.

Features:

• Small-sized lithium battery provided, best for creating wearable devices.
• It supports watch straps and belts, users can freely and flexibly try various wearing methods.
• Onboard power amplifier circuit for audio playback.
• Onboard clock circuit, accurate timekeeping, able to complete the basic functions of the watch.
• Voice can be transmitted wirelessly to realize the walkie-talkie function.
• Rich examples included, many aspects involved, meet the needs of both parents and students.

Parameters:

• Size: 78 x 57 x 23 mm
• Small Hole Diameter: 2.0mm
• Power Supply: 5V(USB power supply), 3.7~4.2V(18650 lithium battery)
• Operating Voltage: 3V/5V
• Functions: Accurate time, store data when power off (based on DS1240 RTC)

                               Network communication, intelligent control (connect to 2.4g hotspot)

                               Intercom function (communicate between two Future boards, should be ≤10m)

Hardware Details:

Package Includes:

• 1 x Future board (optional)
• 1 x Expansion board
• 5 x M3 stainless steel screw
• 1 x Small cross screwdriver
• 1 x Lithium battery pack (including battery storage box)
• 1 x Velcro
• 1 x Watch strap