[BBC-Micro] Batteries in a Master

[Mike Tomlinson]

In article <38450.82.71.113.222.1169126722.squirrel at webmail.starfleet-
net.co.uk>, Richard Gellman <splodge at starfleet.homeunix.net> writes

>Mine has a diode and a resistor in series. The resistor I can sort of see
>for voltage adjustment.. but the diode does baffle me slightly... unless
>its some sort of "back-EMF" protection.

It's to prevent the Master trying to charge non-rechargeable batteries.

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