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fix: update TTP223 pin configuration and adjust touch sensor logic

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This commit is contained in:
Manuel Weiser 2025-03-30 12:19:07 +02:00
parent 823db6157c
commit 29868e7101
4 changed files with 30 additions and 21 deletions
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31
README.de.md
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@ -55,19 +55,22 @@ Discord Server: [https://discord.gg/my7Gvaxj2v](https://discord.gg/my7Gvaxj2v)
## Hardware-Anforderungen ## Hardware-Anforderungen
### Komponenten ### Komponenten
- **ESP32 Entwicklungsboard:** Jede ESP32-Variante. - **ESP32 Development Board:** Any ESP32 variant.
[Amazon Link](https://amzn.eu/d/aXThslf) [Amazon Link](https://amzn.to/3FHea6D)
- **HX711 5kg Wägezellen-Verstärker:** Für Gewichtsmessung. - **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 weiß/gelb Display:** 128x64 SSD1306. - **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:** Für NFC-Tag-Operationen. - **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 NTA215:** RFID Tag - **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-Konfiguration
| Komponente | ESP32 Pin | ### Pin Konfiguration
| Component | ESP32 Pin |
|-------------------|-----------| |-------------------|-----------|
| HX711 DOUT | 16 | | HX711 DOUT | 16 |
| HX711 SCK | 17 | | HX711 SCK | 17 |
@ -77,8 +80,10 @@ Discord Server: [https://discord.gg/my7Gvaxj2v](https://discord.gg/my7Gvaxj2v)
| PN532 RESET | 33 | | PN532 RESET | 33 |
| PN532 SDA | 21 | | PN532 SDA | 21 |
| PN532 SCL | 22 | | 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) ![Wiring](./img/Schaltplan.png)

16
README.md
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@ -60,15 +60,17 @@ Discord Server: [https://discord.gg/my7Gvaxj2v](https://discord.gg/my7Gvaxj2v)
### Components ### Components
- **ESP32 Development Board:** Any ESP32 variant. - **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. - **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. - **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. - **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 - **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 ### Pin Configuration
@ -82,8 +84,10 @@ Discord Server: [https://discord.gg/my7Gvaxj2v](https://discord.gg/my7Gvaxj2v)
| PN532 RESET | 33 | | PN532 RESET | 33 |
| PN532 SDA | 21 | | PN532 SDA | 21 |
| PN532 SCL | 22 | | 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) ![Wiring](./img/Schaltplan.png)

2
src/config.cpp
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@ -21,7 +21,7 @@ uint16_t defaultScaleCalibrationValue = 430;
// ***** TTP223 (Touch Sensor) // ***** TTP223 (Touch Sensor)
// TTP223 circuit wiring // TTP223 circuit wiring
const uint8_t TTP223_PIN = 15; const uint8_t TTP223_PIN = 25;
// ***** TTP223 // ***** TTP223

2
src/main.cpp
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@ -100,7 +100,7 @@ void loop() {
unsigned long currentMillis = millis(); unsigned long currentMillis = millis();
// Überprüfe den Status des Touch Sensors // Überprüfe den Status des Touch Sensors
if (digitalRead(TTP223_PIN) == LOW && currentMillis - lastButtonPress > debounceDelay) if (digitalRead(TTP223_PIN) == HIGH && currentMillis - lastButtonPress > debounceDelay)
{ {
lastButtonPress = currentMillis; lastButtonPress = currentMillis;
scaleTareRequest = true; scaleTareRequest = true;