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diff --git a/docs/Config_Reference.md b/docs/Config_Reference.md index 9be53dfa..03b10da1 100644 --- a/docs/Config_Reference.md +++ b/docs/Config_Reference.md @@ -4645,6 +4645,63 @@ adc2: # above parameters. ``` +## Load Cells + +### [load_cell] +Load Cell. Uses an ADC sensor attached to a load cell to create a digital +scale. + +``` +[load_cell] +sensor_type: +# This must be one of the supported Sensor types, see `Load Cell Sensors` +``` + +### Load Cell Sensors + +Load Cell supports dedicated Analog to Digital Converter (ADC) chips that sample +at a high data rate. + +#### XH711 +This is a 24 bit low sample rate chip using "bit-bang" communications. It is +suitable for filament scales. +``` +sensor_type: hx711 +sclk_pin: +# The pin connected to the HX711 clock line. This parameter must be provided. +dout_pin: +# The pin connected to the HX711 data output line. This parameter must be +# provided. +#gain: A-128 +# Valid values for gain are: A-128, A-64, B-32. The default is A-128. +# 'A' denotes the input channel and the number denotes the gain. Only the 3 +# listed combinations are supported by the chip. Note that changing the gain +# setting also selects the channel being read. +#sample_rate: 80 +# Valid values for sample_rate are 80 or 10. The default value is 80. +# This must match the wiring of the chip. The sample rate cannot be changed +# in software. +``` + +### HX717 +This is the 4x higher sample rate version of the HX711, suitable for probing. +``` +sensor_type: hx717 +sclk_pin: +# The pin connected to the HX717 clock line. This parameter must be provided. +dout_pin: +# The pin connected to the HX717 data output line. This parameter must be +# provided. +#gain: A-128 +# Valid values for gain are A-128, B-64, A-64, B-8. +# 'A' denotes the input channel and the number denotes the gain setting. +# Only the 4 listed combinations are supported by the chip. Note that +# changing the gain setting also selects the channel being read. +#sample_rate: 320 +# Valid values for sample_rate are: 10, 20, 80, 320. The default is 320. +# This must match the wiring of the chip. The sample rate cannot be changed +# in software. +``` ## Board specific hardware support ### [sx1509] |