Simply not simple - Diy Bluetooth watch

Guide: We know that more and more popular smart watches, wearable equipment also fly into the ordinary people's home, I am interested, using open source hardware and do a Bluetooth watch. Product hardware Hardware list Master MCU: Arduino Pro Mini (8M / 3.3V) HC-06 Bluetooth module FT232 download line DHT11 temperature and humidity sensor SSD1306, I2C, two-color OLED (1/4 is yellow, 3/4 is red) Button 3.7V battery (instance is a USB of FT232 to supply 3.3V power) Sweater, tweezers, hot melt, wires, cards use the software Arduino IDE We know that more and more popular smart watches, wearable equipment also flies into the home of ordinary people, interest, using open source hardware, do a Bluetooth watch (because it is manual production, there is no raw material, the shell is a card cutting ..... plus two ropes, wearing a watch in the hand ~~). This display table can be implemented: Temperature and humidity detection display, mobile phone pre-installed Watch App (limited to Android 4.4 version), use the mobile phone's WiFi network read network time, transfer to the watch via Bluetooth connection, high accuracy, APP can set a lot of options, such as battery detection, WiFi timing, night mode, send mail, etc., while controlling the display effect of the watch time, there is analog (a circle), the number (pure digital display), mix, The figure see is mixed, the HU is humidity, TEM is temperature. Let's take a look at the wiring diagram: According to the connection, we step by step, OLED receives the main control I2C port, the Bluetooth module TX-2, RX-3, the button is pulled with 10K resistance. Look at the good picture of the wiring (a bit ugly .....) The above figure is a front, the picture below is reverse: Ok, we have to give the download program (the code will be used in the compressed file format), open Arduino IDE, select good port and board download, note that it is downloaded through FT232. Android watches APP (note that version 4.4 can be used), line connecting WiFi, open Bluetooth, pair HC-06, password is 1234. Different display methods can be changed via Watch Clock Face. Simulation display Digitally display Mixed mode display At the same time, the temperature and humidity will also be added. Finally, give this to add a housing Finally, completing the effect of power-on Thanks to Open source projects, you can play by playing. On this basis, you can add other features, such as GPS, speed and other measurements, calls, etc., this is more like a smart watch. Software Description: DIY Bluetooth Watch Software Description Bamboo Xiao East [Activities] Participate in the panel essay activities, win the intelligent prize!

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