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1 Channel Delay Power Off Board 4 Button Relay Module Times Delay Board for DIY

ab 7,85 €

It operates efficiently within a wide temperature range (-40°C to 85°C) and features a industrial-grade circuit board design. Trigger Signal Source: High Level Trigger (3.0v-24v) Signal Ground And The System Ground Is Not Common Ground To Improve The System'S Anti-Jamming Ability (Can Also Be Shorted To Common Ground).

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