Van: [email protected] <[email protected]> Namens Razvan (M0HZH)
Verzonden: dinsdag 17 september 2019 13:06
Aan: [email protected]
Onderwerp: Re: [BITX20] Nextion with KA78T05

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Why would you need another regulator ? The LM7805 is designed for 1A output and the 5" Nextion display + Raduino uses about 500mA (per specs).

You only need a heatsink for the LM7805.

This will be true for any other linear replacement you use (KA78T05 / 78S05 etc) as the dissipated power is the same.