Relay V1.2 User Manual ShenZhen BigTree Technology CO.,LTD .
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P5.5 is the relay control pin
P3.3 is short circuit detection pin
P5.4 is the reset and restart pin
P3.0 and P3.1 are firmware upload pins
Ⅵ. Firmware Modification Method
1. Open the Configuration. H file in the firmware and find
1、 #define PSU_CONTROL
2、 #define PSU_NAME "Power Supply"
3、
4、 #if ENABLED(PSU_CONTROL)
5、 #define PSU_ACTIVE_HIGH true // Set 'false' for ATX (1), 'tr
ue' for X-Box (2)
6、
As shown above, remove the previous mask "//", as
shown below:
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