From 45d6421f323fc8a24f4642949f26027123d62475 Mon Sep 17 00:00:00 2001
From: Christophe Robillard <christophe@robiweb.net>
Date: Tue, 27 Jan 2026 19:29:29 +0100
Subject: [PATCH] kluk does not use battery anymore

---
 the-cup.ino | 22 ----------------------
 1 file changed, 22 deletions(-)

diff --git a/the-cup.ino b/the-cup.ino
index 120ba62..f001cde 100644
--- a/the-cup.ino
+++ b/the-cup.ino
@@ -19,11 +19,7 @@
 #include <MFRC522DriverPinSimple.h>
 #include <MFRC522Debug.h>
 
-#include "Adafruit_MAX1704X.h"
-
-
 #define SS_PIN SDA
-#define SLEEP_DURATION 1
 
 #define RGB_BRIGHTNESS 4 // Change neopixel brightness (max 255)
 
@@ -31,10 +27,6 @@ MFRC522DriverPinSimple ss_1_pin(SS_PIN); // Configurable, take an unused pin, on
 MFRC522DriverSPI driver_1{ss_1_pin};
 MFRC522 reader{driver_1};   // Create MFRC522 instance.
 
-RTC_DATA_ATTR int nbCycles = 0;
-
-Adafruit_MAX17048 lipo;
-
 const char *rootCACertificate = R"string_literal(
 -----BEGIN CERTIFICATE-----
 MIIFazCCA1OgAwIBAgIRAIIQz7DSQONZRGPgu2OCiwAwDQYJKoZIhvcNAQELBQAw
@@ -76,12 +68,8 @@ void setup() {
   #ifdef DEBUG
     Serial.begin(115200);
     while (!Serial) delay(10);
-    Serial.print("Nb cycles: ");
-    Serial.println(nbCycles++);
   #endif
 
-  measureBattery();
-
   reader.PCD_Init(); // Init each MFRC522 card.
   #ifdef DEBUG
     MFRC522Debug::PCD_DumpVersionToSerial(reader, Serial);	// Show details of PCD - MFRC522 Card Reader details.
@@ -96,16 +84,6 @@ void loop() {
   }
   else {
     delay(200);
-    ESP.deepSleep(SLEEP_DURATION * 1000000);
-  }
-}
-
-void measureBattery() {
-  if (nbCycles % 10) {
-    lipo.begin();
-    if (lipo.cellVoltage() < 2.6) {
-      displayError();
-    }
   }
 }