https://ndoo.sg/ 2026-04-11T12:05:32+00:00 https://ndoo.sg/ https://ndoo.sg/_media/wiki:logo.png text/html 2025-08-30T03:16:35+00:00 Anonymous (anonymous@undisclosed.example.com) https://ndoo.sg/projects:electronics:nrf52:nrf52840_notes?rev=1756523795&do=diff nRF52840 Notes High Voltage Mode Motivation * Simplify BoM and layout by using the nrf52840 VDDH -> VDD LDO instead of an external 3.3 V LDO Limitations * <25 mA output from VDDH to VDD (REG0) * 2.5 V < VDDH < 5.5 V Requirements * VDD must not be connected to VDDH or any power supply at reset