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MDB to USB Power

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Recently had a need for USB power internally in a VM

(Surveillance camera & nano router for Nayax VPOST)


Both these devices are normally powered from a 110/240VAC plug pack so a hassle getting an extension cable into VM.


I’ve been given a tip (Mal @ SWAS) that power from MDB socket can be used to supply power to a USB socket.

Parts needed:

MDB “Y” cable – I used one off dead note acceptor

35VDC – USB board $2? from

USB Current/Voltage Tester $6? -


To ensure payment devices get power 1st, we plug this after note acceptor & before coin mech.

Kit powered up on SEM tester




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