From 7ccab61c22fafb3bb9fa5470ff8cb46217111fe4 Mon Sep 17 00:00:00 2001
From: Gustavoeklund01 <eklundgu@gmail.com>
Date: Mon, 27 Oct 2025 20:28:29 -0300
Subject: outros códigos
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---
 esp/src/lm393.cpp | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

(limited to 'esp/src/lm393.cpp')

diff --git a/esp/src/lm393.cpp b/esp/src/lm393.cpp
index e69de29..5eb4bdf 100644
--- a/esp/src/lm393.cpp
+++ b/esp/src/lm393.cpp
@@ -0,0 +1,26 @@
+#include <Arduino.h>
+#include "lm393.h"
+
+#define SENSOR_PIN 32  // ou 35 se preferir
+
+void setupLM393() {
+  pinMode(SENSOR_PIN, INPUT);
+}
+
+int lerLM393() {
+  static int contagem = 0;
+  static unsigned long lastTime = 0;
+
+  if (digitalRead(SENSOR_PIN) == LOW) {
+    contagem++;
+    delay(10);
+  }
+
+  if (millis() - lastTime >= 1000) {
+    int pulsos = contagem;
+    contagem = 0;
+    lastTime = millis();
+    return pulsos;
+  }
+  return 0;
+}
-- 
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