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ARDUINO SIMPLE WATCH EXAMPLE

Jun 11th, 2020 | by: ELECTRONOOBS
Category: Electronics Clocks
Views 177
Once you have the PCB from the past tutorial made on this link, you can uplaod the simple watch code example. This code as you can see below can set time, store the values to the real time clok chip, set an alarm with interrumptions, have a stopwatch and more. Read the code for more. The consumption in sleep mode is very low, around 1.3mA so the 100mAh battery could last 2 days.

PHOTO GALLERY

PART 1 - Specs of the board


This board has a lot of components. After you solder the PCB and make it work, it will ahve all the specs below:

- USB charging circuit (3.7V battery protection)
- LOW power consumption
- Battery voltage read
- USB programming chip (CH340)
- UART programming (extra)
- RTC (real time clock) and get:
       - Day of the week
       - Date: day, month, year
       - Temperature
       - Set alarm interruptions
- Buzzer control
- LED control
- 3 Push buttons
- Bluetooth connection (UART communication)
- OLED dispaly (i2c communication)


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