BIGTREETECH Relay V1.2 is an upgrade of the original (BIGTREETECH V1.0). After upgrading, a small MCU was added on the module to make the module more controllable and stable. Besides, we have also increased short circuit detection circuit. After connecting the 5V and GND on the motherboard to the module, if there is a 5V short circuit, the module will immediately power off to prevent damage on the motherboard and the risk of fire caused by short circuit.
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can somone upload the new diagram i dont anderstand nothing... #10
GrumpaV2
commented
4 years ago
how can i connect the module to my ender 3? with skr mini e3 v2 and relay 1.2?