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Wiegedings

Waage für den Füllstand einer Gasflasche mit Integration in Home Assistant

Verwendete Hardware:

  • ESP-01 (esp8266)
  • HX711 Load cell amplifier
  • 4x 50kg Wägezellen

Pinout am ESP-01

Pin Verwendung Anmerkung
GPIO0 Data von HX711 10k pullup, GND zum Programmieren
GPIO1 Serial TX
GPIO2 SCK zu HX711 10k pullup
GPIO3 Serial RX
CH_PD 10k pullup
RST 10k pullup
VCC 3,3V

MQTT

Steuerung und Übermittlung der Werte per Home Assistant MQTT Integration.

Folgende Entitäten werden per Autodiscovery an Home Assistant übermittelt:

Entity Type Feature
Sensor Differenz zu Tara, Type "weight"
Button Tarieren
Button Kalibrierung durchführen
Number Ergebnis der Kalibrierung
Number Gewicht zum Kalibrieren
Number Flasche Eigengewicht
Number Flasche Gewicht Füllung

Schaltplan

Schaltplan

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