263 lines
6.1 KiB
Markdown
263 lines
6.1 KiB
Markdown
---
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title: Door bell
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description:
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published: 1
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date: 2024-03-03T21:33:41.160Z
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tags:
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editor: markdown
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dateCreated: 2024-03-02T02:22:57.232Z
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---
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# Requirements
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- using Bluetooth or WiFi or Zigbee
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- forwarding ringing of door bell
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- opening of door
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- Home Assistant connection
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- smartphone app?
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- physical reset button
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# Current system
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Siedle ht 511-01
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# Manufacturer solution
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https://www.siedle.de/de-de/produkte/iq-hts-siedle-iq-hts/
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https://www.youtube.com/watch?v=DIXJsIaVCGQ
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# Arduino-based solution
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https://www.reichelt.de/magazin/projekte/smarte-tuerklingel/
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https://rhfeinmechanik.de/blog/2022/07/25/klingelarduino-turklingel-an-fritzbox-mit-arduino/
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https://www.az-delivery.de/en/blogs/azdelivery-blog-fur-arduino-und-raspberry-pi/smartgong-teil-1
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https://www.mikrocontroller.net/topic/460394
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https://www.videosprechanlagen.info/Kann-man-Klingeldraht-verlaengern
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https://www.mikrocontroller.net/topic/533047
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https://forum.arduino.cc/t/wlan-klingel-mit-esp8266-fur-fritzbox/589769
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## Preferred solution
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===https://www.panbachi.de/smarte-tuerklingel-alte-sprechanlage-smart-machen/===
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### BOM
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Wemos D1 mini --> can use wemos esp32-c3 mini
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Relay Shield für den Wemos D1 mini
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https://www.reichelt.de/d1-shield-relais-d1z-relais-p266083.html?&trstct=pos_2&nbc=1
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Tripler Base für den Wemos D1 mini
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https://www.reichelt.de/d1-shield-tripple-base-d1z-tripple-base-p266084.html?&trstct=pos_6&nbc=1
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LM2596 DC-DC Step-down
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https://www.reichelt.de/entwicklerboards-spannungsregler-dc-dc-wandler-lm2596-debo-dcdc-down-2-p282579.html?&trstct=pos_4&nbc=1
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B80C800DM Brückengleichrichter
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PC814 Wechselstrom Optokoppler (Vor den Optokoppler habe ich noch einen 1k Widerstand geschaltet)
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https://www.reichelt.de/optokoppler-pc-824h-p76185.html?&trstct=pos_0&nbc=1
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### Code
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```
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//DoorBell.ino
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#include <Homie.h>
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int readDelay = 50;
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int buttonPressDelay = 3000;
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int openingDelay = 3000;
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int inputPin = D3;
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int relayPin = D1;
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int inputValue = 0;
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bool opened = false;
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int timeOpened = 0;
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HomieNode doorbellNode("button", "button");
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HomieNode openerNode("switch", "switch");
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boolean openerHandler(const HomieRange& range, const String& value) {
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if(value != "true" && value != "false") return false;
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if(value == "true") {
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digitalWrite(relayPin, HIGH);
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openerNode.setProperty("on").send("true");
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Serial.println("Opener started ...");
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opened = true;
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timeOpened = millis();
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}
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return true;
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}
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void loopHandler() {
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inputValue = digitalRead(inputPin);
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digitalWrite(BUILTIN_LED, inputValue);
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if(inputValue == 0) {
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Serial.println("Doorbell pressed ...");
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doorbellNode.setProperty("pressed").send("true");
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delay(buttonPressDelay);
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doorbellNode.setProperty("pressed").send("false");
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}
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delay(readDelay);
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}
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void setup() {
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Serial.begin(115200);
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Serial.println();
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pinMode(inputPin, INPUT_PULLUP);
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pinMode(BUILTIN_LED, OUTPUT);
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pinMode(relayPin, OUTPUT);
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digitalWrite(relayPin, LOW);
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Homie_setBrand("doorbell");
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Homie_setFirmware("Doorbell", "1.0.0");
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openerNode.advertise("on").settable(openerHandler);
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Homie.setLoopFunction(loopHandler);
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Homie.setup();
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}
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void loop() {
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int timeNow = millis();
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if(timeOpened > 0 && (timeNow - timeOpened) > 3000) {
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Serial.println("Close ...");
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Serial.println(timeNow);
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Serial.println(timeOpened);
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timeOpened = 0;
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digitalWrite(relayPin, LOW);
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openerNode.setProperty("on").send("false");
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Serial.println("Opener finished ...");
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}
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Homie.loop();
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}
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```
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Die dazugehörige config.json würde wie folgt aussehen:
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```
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{
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"name": "Doorbell",
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"device_id": "c01",
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"wifi": {
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"ssid": "[SSID]",
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"password": "[PASSWORD]"
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},
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"mqtt": {
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"host": "192.168.178.54",
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"port": 1883,
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"base_topic": "doorbell/",
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"auth": true,
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"username": "homeassistant",
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"password": ""
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},
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"ota": {
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"enabled": true
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}
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}
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```
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Zum Thema Homie und Wemos D1 mini werde ich noch einen weiteren Artikel schreiben.
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Anbindung an Home-Assistant
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```
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#configuration.yaml
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mqtt:
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embedded:
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binary_sensor:
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- platform: "mqtt"
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name: intercom_bell
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state_topic: "doorbell/c01/button/pressed"
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payload_on: "true"
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payload_off: "false"
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device_class: "sound"
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retain: true
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switch:
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- platform: mqtt
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name: intercom_opener
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state_topic: "doorbell/c01/switch/on"
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command_topic: "doorbell/c01/switch/on/set"
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payload_on: "true"
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payload_off: "false"
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retain: true
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icon: mdi:lock
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#customize.yaml
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binary_sensor.intercom_bell:
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friendly_name: Klingel
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switch.intercom_opener:
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friendly_name: Türöffner
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```
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Regeln für Telegram
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```
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#automation.yaml
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- alias: 'Telegram Bot: Benachrichtige über klingeln'
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trigger:
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platform: state
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entity_id: binary_sensor.intercom_bell
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from: 'off'
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to: 'on'
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action:
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- service: telegram_bot.send_message
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data_template:
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message: 'Es klingelt an der Tür'
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disable_notification: true
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inline_keyboard:
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- "Tür öffnen:/open_door"
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- alias: 'Telegram Bot: Öffne die Tür'
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trigger:
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platform: event
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event_type: telegram_callback
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event_data:
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data: '/open_door'
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action:
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- service: telegram_bot.edit_replymarkup
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data_template:
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message_id: 'last'
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chat_id: '{{ trigger.event.data.chat_id }}'
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inline_keyboard: []
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- service: telegram_bot.send_message
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data_template:
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target: '{{ trigger.event.data.user_id }}'
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message: 'Die Tür wird geöffnet'
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disable_notification: true
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- service: switch.turn_on
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entity_id: switch.intercom_opener
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```
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