Xy-wj01 Manual ((link))

The is a programmable digital delay relay module designed for versatile timing and switching control in applications like industrial automation, smart home systems, and robotics. It features a dual-column LCD display and supports multiple trigger modes and timing ranges from 0.01 seconds to 9999 minutes. 1. Technical Specifications

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“Press key 3s zero current adjust” – It doesn’t clarify that you should disconnect the load first or that this zeroes the internal offset, not the measurement range. The is a programmable digital delay relay module

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