docs: update changelog and header for version v1.4.10

CHANGELOG.md

@@ -1,5 +1,18 @@
 # Changelog
 
+## [1.4.10] - 2025-03-30
+### Added
+- add manual tare functionality for scale
+- add debounce handling for TTP223 touch sensor
+- add TTP223 touch sensor support and wiring configuration
+
+### Changed
+- update platformio.ini for version v1.4.10
+
+### Fixed
+- update TTP223 pin configuration and adjust touch sensor logic
+
+
 ## [1.4.9] - 2025-03-29
 ### Changed
 - update platformio.ini for version v1.4.9

README.de.md

@@ -55,19 +55,22 @@ Discord Server: [https://discord.gg/my7Gvaxj2v](https://discord.gg/my7Gvaxj2v)
 ## Hardware-Anforderungen
 
 ### Komponenten
-- **ESP32 Entwicklungsboard:** Jede ESP32-Variante.
-[Amazon Link](https://amzn.eu/d/aXThslf)
-- **HX711 5kg Wägezellen-Verstärker:** Für Gewichtsmessung.
-[Amazon Link](https://amzn.eu/d/06A0DLb)
-- **OLED 0.96 Zoll I2C weiß/gelb Display:** 128x64 SSD1306.
-[Amazon Link](https://amzn.eu/d/0AuBp2c)
-- **PN532 NFC NXP RFID-Modul V3:** Für NFC-Tag-Operationen.
-[Amazon Link](https://amzn.eu/d/jfIuQXb)
-- **NFC Tags NTAG213 NTA215:** RFID Tag
-[Amazon Link](https://amzn.eu/d/9Z6mXc1)
+- **ESP32 Development Board:** Any ESP32 variant.
+[Amazon Link](https://amzn.to/3FHea6D)
+- **HX711 5kg Load Cell Amplifier:** For weight measurement.
+[Amazon Link](https://amzn.to/4ja1KTe)
+- **OLED 0.96 Zoll I2C white/yellow Display:** 128x64 SSD1306.
+[Amazon Link](https://amzn.to/445aaa9)
+- **PN532 NFC NXP RFID-Modul V3:** For NFC tag operations.
+[Amazon Link](https://amzn.to/4iO6CO4)
+- **NFC Tags NTAG213 NTAG215:** RFID Tag
+[Amazon Link](https://amzn.to/3E071xO)
+- **TTP223 Touch Sensor (optional):** For reTARE per Button/Touch
+[Amazon Link](https://amzn.to/4hTChMK)
 
-### Pin-Konfiguration
-| Komponente        | ESP32 Pin |
+
+### Pin Konfiguration
+| Component          | ESP32 Pin |
 |-------------------|-----------|
 | HX711 DOUT        | 16        |
 | HX711 SCK         | 17        |
@@ -77,8 +80,10 @@ Discord Server: [https://discord.gg/my7Gvaxj2v](https://discord.gg/my7Gvaxj2v)
 | PN532 RESET       | 33        |
 | PN532 SDA         | 21        |
 | PN532 SCL         | 22        |
+| TTP223 I/O        | 25        |
 
-**Achte darauf, dass am PN532 die DIP-Schalter auf I2C gestellt sind**
+**!! Achte darauf, dass am PN532 die DIP-Schalter auf I2C gestellt sind**
+**Nutze den 3V Pin vom ESP für den Touch Sensor**
 
 ![Wiring](./img/Schaltplan.png)
 

README.md

@@ -60,15 +60,17 @@ Discord Server: [https://discord.gg/my7Gvaxj2v](https://discord.gg/my7Gvaxj2v)
 
 ### Components
 - **ESP32 Development Board:** Any ESP32 variant.
-[Amazon Link](https://amzn.eu/d/aXThslf)
+[Amazon Link](https://amzn.to/3FHea6D)
 - **HX711 5kg Load Cell Amplifier:** For weight measurement.
-[Amazon Link](https://amzn.eu/d/06A0DLb)
+[Amazon Link](https://amzn.to/4ja1KTe)
 - **OLED 0.96 Zoll I2C white/yellow Display:** 128x64 SSD1306.
-[Amazon Link](https://amzn.eu/d/0AuBp2c)
+[Amazon Link](https://amzn.to/445aaa9)
 - **PN532 NFC NXP RFID-Modul V3:** For NFC tag operations.
-[Amazon Link](https://amzn.eu/d/jfIuQXb)
+[Amazon Link](https://amzn.to/4iO6CO4)
 - **NFC Tags NTAG213 NTAG215:** RFID Tag
-[Amazon Link](https://amzn.eu/d/9Z6mXc1)
+[Amazon Link](https://amzn.to/3E071xO)
+- **TTP223 Touch Sensor (optional):** For reTARE per Button/Touch
+[Amazon Link](https://amzn.to/4hTChMK)
 
 
 ### Pin Configuration
@@ -82,8 +84,10 @@ Discord Server: [https://discord.gg/my7Gvaxj2v](https://discord.gg/my7Gvaxj2v)
 | PN532 RESET       | 33        |
 | PN532 SDA         | 21        |
 | PN532 SCL         | 22        |
+| TTP223 I/O        | 25        |
 
-**Make sure that the DIP switches on the PN532 are set to I2C**
+**!! Make sure that the DIP switches on the PN532 are set to I2C**
+**Use the 3V pin from the ESP for the touch sensor**
 
 ![Wiring](./img/Schaltplan.png)
 

platformio.ini

@@ -9,7 +9,7 @@
 ; https://docs.platformio.org/page/projectconf.html
 
 [common]
-version = "1.4.9"
+version = "1.4.10"
 to_old_version = "1.4.0"
 
 ##

src/config.cpp

@@ -19,6 +19,12 @@ const uint16_t SCALE_LEVEL_WEIGHT = 500;
 uint16_t defaultScaleCalibrationValue = 430;
 // ***** HX711
 
+// ***** TTP223 (Touch Sensor)
+// TTP223 circuit wiring
+const uint8_t TTP223_PIN = 25;
+// ***** TTP223
+
+
 // ***** Display
 // Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
 // On an ESP32:   21(SDA),  22(SCL)

src/config.h

@@ -11,6 +11,8 @@ extern const uint8_t LOADCELL_SCK_PIN;
 extern const uint8_t calVal_eepromAdress;
 extern const uint16_t SCALE_LEVEL_WEIGHT;
 
+extern const uint8_t TTP223_PIN;
+
 extern const int8_t OLED_RESET;
 extern const uint8_t SCREEN_ADDRESS;
 extern const uint8_t SCREEN_WIDTH;

src/main.cpp

@@ -39,7 +39,6 @@ void setup() {
   setupWebserver(server);
 
   // Spoolman API
-  // api.cpp
   initSpoolman();
 
   // Bambu MQTT
@@ -48,6 +47,7 @@ void setup() {
   // NFC Reader
   startNfc();
 
+  // Scale
   start_scale();
 
   // WDT initialisieren mit 10 Sekunden Timeout
@@ -56,6 +56,9 @@ void setup() {
 
   // Aktuellen Task (loopTask) zum Watchdog hinzufügen
   esp_task_wdt_add(NULL);
+
+  // Touch Sensor
+  pinMode(TTP223_PIN, INPUT_PULLUP);
 }
 
 
@@ -84,13 +87,25 @@ uint8_t autoAmsCounter = 0;
 uint8_t weightSend = 0;
 int16_t lastWeight = 0;
 
+// WIFI check variables
 unsigned long lastWifiCheckTime = 0;
 const unsigned long wifiCheckInterval = 60000; // Überprüfe alle 60 Sekunden (60000 ms)
 
+// Button debounce variables
+unsigned long lastButtonPress = 0;
+const unsigned long debounceDelay = 500; // 500 ms debounce delay
+
 // ##### PROGRAM START #####
 void loop() {
   unsigned long currentMillis = millis();
 
+  // Überprüfe den Status des Touch Sensors
+  if (digitalRead(TTP223_PIN) == HIGH && currentMillis - lastButtonPress > debounceDelay) 
+  {
+    lastButtonPress = currentMillis;
+    scaleTareRequest = true;
+  }
+
   // Überprüfe regelmäßig die WLAN-Verbindung
   if (intervalElapsed(currentMillis, lastWifiCheckTime, wifiCheckInterval)) 
   {
@@ -158,25 +173,6 @@ void loop() {
   {
     lastWeightReadTime = currentMillis;
 
-    // Prüfen ob die Waage korrekt genullt ist
-    if ((weight > 0 && weight < 5) || weight < -1)
-    {
-      if(scaleTareCounter < 5)
-      {
-        scaleTareCounter++;
-      }
-      else
-      {
-        scaleTareRequest = true;
-        scaleTareCounter = 0;
-      }
-      
-    }
-    else
-    {
-      scaleTareCounter = 0;
-    }
-
     // Prüfen ob das Gewicht gleich bleibt und dann senden
     if (weight == lastWeight && weight > 5)
     {

src/scale.cpp

@@ -38,11 +38,15 @@ void scale_loop(void * parameter) {
   for(;;) {
     if (scale.is_ready()) 
     {
-      // Waage nochmal Taren, wenn zu lange Abweichung
+      // Waage manuell Taren
       if (scaleTareRequest == true) 
       {
         Serial.println("Re-Tare scale");
+        oledShowMessage("TARE Scale");
+        vTaskDelay(pdMS_TO_TICKS(1000));
         scale.tare();
+        vTaskDelay(pdMS_TO_TICKS(1000));
+        oledShowWeight(0);
         scaleTareRequest = false;
       }