From 11f119a7fb7f868d276d495abd7c8755db234e08 Mon Sep 17 00:00:00 2001 From: Frieder Schrempf Date: Wed, 19 Nov 2025 12:01:07 +0100 Subject: [PATCH] variants: XIAO NRF52: Enable DC/DC regulator This reduces the power consumption by approximately 25%. Signed-off-by: Frieder Schrempf --- variants/xiao_nrf52/XiaoNrf52Board.cpp | 1 + 1 file changed, 1 insertion(+) diff --git a/variants/xiao_nrf52/XiaoNrf52Board.cpp b/variants/xiao_nrf52/XiaoNrf52Board.cpp index 03bb674e..a709b1c3 100644 --- a/variants/xiao_nrf52/XiaoNrf52Board.cpp +++ b/variants/xiao_nrf52/XiaoNrf52Board.cpp @@ -23,6 +23,7 @@ static void disconnect_callback(uint16_t conn_handle, uint8_t reason) { void XiaoNrf52Board::begin() { // for future use, sub-classes SHOULD call this from their begin() startup_reason = BD_STARTUP_NORMAL; + NRF_POWER->DCDCEN = 1; pinMode(PIN_VBAT, INPUT); pinMode(VBAT_ENABLE, OUTPUT);