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SiriusHardware · 27th Nov 2021, 12:51 pm

Another thing I notice is that your MK14 does not ever appear to have had its onboard regulator fitted, instead you have linked the +8V fingers on the edge connector to the +5V rail so those contact fingers now function as +5V in / out. What are you using as a +5V supply?

27th Nov 2021, 12:51 pm	#8
SiriusHardware Dekatron Join Date: Aug 2011 Location: Newcastle, Tyne and Wear, UK. Posts: 11,556	Re: Yet another MK14 tape interface (ESP32). Another thing I notice is that your MK14 does not ever appear to have had its onboard regulator fitted, instead you have linked the +8V fingers on the edge connector to the +5V rail so those contact fingers now function as +5V in / out. What are you using as a +5V supply?