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Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@fanoush
So I got third bracelet. This one is ID115HR clone with BW OLED screen. It was cheap and quality was pretty bad - it had some dirt under screen, OLED was misaligned so few rows of pixel were not seen at all. And also the heart rate sensor produced similar random values between 60-90 no matter if I wear it or just point it to empty space. Also when moved it turned screen randomly on and quickly off. So I got full refund, then opened it to clean the dirt and try to align the display. I also checked the chip markings of course and it is Realtek 8762AG. So yet another one. I found some datasheet with register descriptions and memory map and even some development board with SDK download. However my board have strange set of points I wonder which ones are for debugger?
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