turn off 3.3v rail when powering off

3 weeks ago · 2fdbfbdbf6
1 changed files with 6 additions and 0 deletions
--- a/variants/lilygo_t_impulse_plus/TImpulsePlusBoard.h
+++ b/variants/lilygo_t_impulse_plus/TImpulsePlusBoard.h
@ -48,6 +48,12 @@ public:
  }

  void powerOff() override {
+
+    // turn off 3.3v
+    digitalWrite(RT9080_EN, LOW);
+
+    // power off system
    sd_power_system_off();
+
  }
 };