From 1752a64b634587be02b8ef4ea18bc58bdedce93a Mon Sep 17 00:00:00 2001
From: Alexandre B <alexandre.bobkov@gmail.com>
Date: Fri, 19 Jul 2024 18:53:52 -0400
Subject: [PATCH] .

---
 ESP32-C3-sm_I2C/src/main.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/ESP32-C3-sm_I2C/src/main.cpp b/ESP32-C3-sm_I2C/src/main.cpp
index 8c223862..d0644262 100644
--- a/ESP32-C3-sm_I2C/src/main.cpp
+++ b/ESP32-C3-sm_I2C/src/main.cpp
@@ -34,13 +34,14 @@ void TaskStatusLEDCode (void* parameters) {
 void TaskLightsAutoCode(void* parameters) {
   for (;;) {
     // If lighting is dark, then turn lights ON and increase delay interval
+    // Swap HIGH with LOW since we're using NPN transistor to control relay.
     if (light_sensor_reading > 1500) {
-      digitalWrite(LIGHTS_PIN, HIGH);
+      digitalWrite(LIGHTS_PIN, LOW);
       vTaskDelay(pdMS_TO_TICKS(10000));
     }
     // If lighting is bright, then turn lights OFF and decrease delay interval
     else {
-      digitalWrite(LIGHTS_PIN, LOW);
+      digitalWrite(LIGHTS_PIN, HIGH);
       vTaskDelay(pdMS_TO_TICKS(1000));
     }    
   }