SCK_DELAY 1 necessary for ESP32 #35
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Thank you, this fixed the exact same issue for me too. +1 for the idea to mention this configuration for the ESP32 in the README. |
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Thanks! ESP32 info now included in readme.md and config.h |
FabianSperrle
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tldr: ESP32 is too fast for the library in default mode, so they added a flag that introduces timeouts and makes the readings more realiable Starting point for further reading: olkal/HX711_ADC#35
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author Fabian Sperrle <fabian.sperrle@uni.kn> 1702580259 +0100 committer Fabian Sperrle <fabian.sperrle@uni.kn> 1705696789 +0100 Start configuration for second HX711 WIP: start cleanup Fix startup of second HX711 Brew by weight should not stop when time is reached Bugfix: Set correct calibration weights for scale 2 and clean up output Enable HX711 library feature for more consistent readings on ESP32 tldr: ESP32 is too fast for the library in default mode, so they added a flag that introduces timeouts and makes the readings more realiable Starting point for further reading: olkal/HX711_ADC#35 Fix compile error for single HX711 Fix debug message: calibration instead of tare Config override causes issues with pin numbers for some reason? disable for now re-introduce constant for timeout and tare to avoid duplication If we show decimal seconds we can also show decimal grams Remove superfluous space Re-add HX711 config flags and move scale interrupt up in main to avoid messing with timestamps
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e8d7458 author Fabian Sperrle <fabian.sperrle@uni.kn> 1702580259 +0100 committer Fabian Sperrle <fabian.sperrle@uni.kn> 1705696789 +0100 Start configuration for second HX711 WIP: start cleanup Fix startup of second HX711 Brew by weight should not stop when time is reached Bugfix: Set correct calibration weights for scale 2 and clean up output Enable HX711 library feature for more consistent readings on ESP32 tldr: ESP32 is too fast for the library in default mode, so they added a flag that introduces timeouts and makes the readings more realiable Starting point for further reading: olkal/HX711_ADC#35 Fix compile error for single HX711 Fix debug message: calibration instead of tare Config override causes issues with pin numbers for some reason? disable for now re-introduce constant for timeout and tare to avoid duplication If we show decimal seconds we can also show decimal grams Remove superfluous space Re-add HX711 config flags and move scale interrupt up in main to avoid messing with timestamps
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e8d7458 author Fabian Sperrle <fabian.sperrle@uni.kn> 1702580259 +0100 committer Fabian Sperrle <fabian.sperrle@uni.kn> 1705696789 +0100 Start configuration for second HX711 WIP: start cleanup Fix startup of second HX711 Brew by weight should not stop when time is reached Bugfix: Set correct calibration weights for scale 2 and clean up output Enable HX711 library feature for more consistent readings on ESP32 tldr: ESP32 is too fast for the library in default mode, so they added a flag that introduces timeouts and makes the readings more realiable Starting point for further reading: olkal/HX711_ADC#35 Fix compile error for single HX711 Fix debug message: calibration instead of tare Config override causes issues with pin numbers for some reason? disable for now re-introduce constant for timeout and tare to avoid duplication If we show decimal seconds we can also show decimal grams Remove superfluous space Re-add HX711 config flags and move scale interrupt up in main to avoid messing with timestamps
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e8d7458 author Fabian Sperrle <fabian.sperrle@uni.kn> 1702580259 +0100 committer Fabian Sperrle <fabian.sperrle@uni.kn> 1705696789 +0100 Start configuration for second HX711 WIP: start cleanup Fix startup of second HX711 Brew by weight should not stop when time is reached Bugfix: Set correct calibration weights for scale 2 and clean up output Enable HX711 library feature for more consistent readings on ESP32 tldr: ESP32 is too fast for the library in default mode, so they added a flag that introduces timeouts and makes the readings more realiable Starting point for further reading: olkal/HX711_ADC#35 Fix compile error for single HX711 Fix debug message: calibration instead of tare Config override causes issues with pin numbers for some reason? disable for now re-introduce constant for timeout and tare to avoid duplication If we show decimal seconds we can also show decimal grams Remove superfluous space Re-add HX711 config flags and move scale interrupt up in main to avoid messing with timestamps
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e8d7458 author Fabian Sperrle <fabian.sperrle@uni.kn> 1702580259 +0100 committer Fabian Sperrle <fabian.sperrle@uni.kn> 1705696789 +0100 Start configuration for second HX711 WIP: start cleanup Fix startup of second HX711 Brew by weight should not stop when time is reached Bugfix: Set correct calibration weights for scale 2 and clean up output Enable HX711 library feature for more consistent readings on ESP32 tldr: ESP32 is too fast for the library in default mode, so they added a flag that introduces timeouts and makes the readings more realiable Starting point for further reading: olkal/HX711_ADC#35 Fix compile error for single HX711 Fix debug message: calibration instead of tare Config override causes issues with pin numbers for some reason? disable for now re-introduce constant for timeout and tare to avoid duplication If we show decimal seconds we can also show decimal grams Remove superfluous space Re-add HX711 config flags and move scale interrupt up in main to avoid messing with timestamps
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e8d7458 author Fabian Sperrle <fabian.sperrle@uni.kn> 1702580259 +0100 committer Fabian Sperrle <fabian.sperrle@uni.kn> 1705696789 +0100 Start configuration for second HX711 WIP: start cleanup Fix startup of second HX711 Brew by weight should not stop when time is reached Bugfix: Set correct calibration weights for scale 2 and clean up output Enable HX711 library feature for more consistent readings on ESP32 tldr: ESP32 is too fast for the library in default mode, so they added a flag that introduces timeouts and makes the readings more realiable Starting point for further reading: olkal/HX711_ADC#35 Fix compile error for single HX711 Fix debug message: calibration instead of tare Config override causes issues with pin numbers for some reason? disable for now re-introduce constant for timeout and tare to avoid duplication If we show decimal seconds we can also show decimal grams Remove superfluous space Re-add HX711 config flags and move scale interrupt up in main to avoid messing with timestamps
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e8d7458 author Fabian Sperrle <fabian.sperrle@uni.kn> 1702580259 +0100 committer Fabian Sperrle <fabian.sperrle@uni.kn> 1705696789 +0100 Start configuration for second HX711 WIP: start cleanup Fix startup of second HX711 Brew by weight should not stop when time is reached Bugfix: Set correct calibration weights for scale 2 and clean up output Enable HX711 library feature for more consistent readings on ESP32 tldr: ESP32 is too fast for the library in default mode, so they added a flag that introduces timeouts and makes the readings more realiable Starting point for further reading: olkal/HX711_ADC#35 Fix compile error for single HX711 Fix debug message: calibration instead of tare Config override causes issues with pin numbers for some reason? disable for now re-introduce constant for timeout and tare to avoid duplication If we show decimal seconds we can also show decimal grams Remove superfluous space Re-add HX711 config flags and move scale interrupt up in main to avoid messing with timestamps
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more a FYI.
It seems that ESP32 needs the 1s sck_delay. Maybe you could add this to Readme
Previously i used Version 1.0.2 or 1.1.0 and updated now to 1.1.6 . With the new Version and no delay the values went like this: From 0 to around 50 fine , and after that than suddenly jumped to around -33500 and stayed there in the 5 digits, slightly decreasing with increasing force.
With the delay everything seems to be back to normal.
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