Hello, I would like to get some advice from you. Can I create "custom clock" with arduino in sketches? Maybe with delay? If not possible, how to make this chip work at 80hz? I have read some topics, but thisHX711 chip is from other manufacturer. Is there in another possibility then desoldering pin 15?
Picture of this chip below :D.
Interesting question but I think you may have mistyped some information. Based on Avia Semiconductor's patented technology, HX711 is a precision 24-bit analog- to-digital converter (ADC) designed for weigh scales and industrial control applications to interface directly with a bridge sensor. I think you will find the RTC chips very accurate and you can always automatically update them with NTP. Without a schematic, not a frizzy thing, we may be able to help you with pin 15. At this point we have no idea where pin 15 is.
That seems the version of the board where E- is not connected to ground, and the rate pin is not accessible.
To convert this board, you must cut the trace to pin15 (currently grounded), and connect it to VCC.
Pin15 is the one next to the top/right pin.
Google "HX711 datasheet" for more info.
Maybe you should buy a HX711 board where it's easier to modify this.
Note that, in general, performance goes down if speed goes up.
Leo..
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