Relay V1.2 User Manual ShenZhen BigTree Technology CO.,LTD .
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2. Take SKR-PRO-V1.1 as an example, open the
pins_BIGTREE_SKR_PRO_V1.1.H file in the order
shown in the figure, then find "#define PS_ON_PIN
PF13" in the file and remove the previous mask "//".
PF13 is the shutdown signal pin, which can be changed
according to your own needs, as shown in the figure: