Build Your Own Smart Liquid Sensor with Home Assistant and XKC Y25 - Easy DIY Tutorial!

XKC Y25 PNP contactless liquid sensor (AliExpress) - https://s.click.aliexpress.com/e/_Dm5...
XKC Y25 PNP contactless liquid sensor (Amazon) - https://amzn.to/40U5Qqj or https://amzn.to/3Z65DPl
I'm excited to present you how to easily create an intelligent non-contact level sensor that can detect the presence of #liquid in plastic, glass or ceramics containers up to 20mm thick. The #XKC #Y25 sensor that I will use will become ON when there is liquid at or above the sensor level, and OFF when it drops below that level.
Since the sensor doesn't have any contact with the liquid, it's perfect for hazardous applications, like detecting toxic substances and other liquids in containers under high pressure.
For this DIY project, you will need an XKC Y25 sensor and an ESP board, like a D1 mini, to which you'll connect the liquid sensor and upload the ESPHome firmware, so you can read the sensor data wirelessly. Don't worry, I'll show you the wiring and firmware uploading procedure, and you can find links for all the necessary parts in the video description.

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► AFFILIATE LINKS FROM THE VIDEO
XKC Y25 PNP contactless liquid sensor (AliExpress) - https://s.click.aliexpress.com/e/_Dm5...
XKC Y25 PNP contactless liquid sensor (Amazon) - https://amzn.to/40U5Qqj or https://amzn.to/3Z65DPl
D1 Mini (AliExpress) - https://s.click.aliexpress.com/e/_AFgAIp
D1 Mini (Amazon) - https://amzn.to/3A5jNoc
Micro USB Cable (AliExpress) - https://s.click.aliexpress.com/e/_DmM...
Micro USB cable (Amazon) - https://amzn.to/32tdxdF
(Optional) USB adapter EU US UK (AliExpress) - https://s.click.aliexpress.com/e/_DCI...
(Optional) USB adapter (Amazon) - https://amzn.to/3u2Tdvj https://amzn.to/3qXkJYS

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► TIME TABLE
00:00 Intro
00:25 What is the idea behind the Contactless liquid Sensor?
01:00 What Model of the Liquid Sensor I’m using?
01:10 XKC Y25 Cost & Specs
01:30 Adjusting the Sensitivity of the XKC Y25 sensor
01:56 What is needed to make the Liquid Sensor Smart?
03:19 How to wire the XKC Y25 PNP and D1 Mini?
04:17 Installing ESPHome on the D1 Mini
07:11 Adding the XKC Y25 in Home Assistant
08:36 Testing the sensor in Home Assistant
09:36 How to create a Home Assistant demo automation?
10:44 Challenge for You

► CONTACTLESS LIQUID SENSOR ESPHOME CODE
Example configuration entry
web_server:
port: 80

binary_sensor:
- platform: gpio
pin:
number: GPIO16
mode:
input: true
pulldown: true
device_class: moisture
name: "Liquid Sensor"

► 3D PRINTED CASE
https://www.thingiverse.com/thing:176...

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► DISCLAIMER
Some of the links above are affiliate links. If you click on these links and purchase an item I will earn a small commission with no additional cost for you. Of course, you don’t have to do so in case you don’t want to support my work!