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Sebastian S.

GERMANY • + Follow Edit Project

0

Components

	D1 Mini Wemos	x 1
	MH-Z19C WINSEN	x 1
	GY-BME280-3.3	x 1

Description

ESPHome Node

A breakout board for using the Wemos D1 Mini ESP8266 module with ESPHome and Home Assistant.

Features

Footprint for the Wemos D1 Mini
Footprint for the MH-Z19 CO2 sensor
Footprint for the GY-BME280 module with the BME280 pressure, humidity and temperatur sensor.
Pin headers with selectable 3.3v/5v power for
USART
SPI
I2C
One wire for additional DS18B20 temperature sensors
Additional GPIOs and the ADC

Schematic

Renders

Schematic and Layout

forgejo.zenerdio.de/sebastian/esp8266-homenode

https://forgejo.zenerdio.de/sebastian/esp8266-homenode

Download Gerbers Download BOM(Bill of materials)

Apr 02,2026

429 views

ESPHome Node

A board for using the Wemos D1 Mini ESP8266 module, a MHZ-19 CO2 sensor and BME-280 temp/pressure/humidity sensor with ESPHome.

429

0

0

Published: Apr 02,2026

Standard PCB

Download Gerber file 4

BOM(Bill of materials)

Centroid file

Purchase

Donation Received ($)

PCBWay Donate 10% cost To Author

File Last Updated: 2026/04/02 (GMT+8)

File update record

2026-04-0220:26:39

Centroid file is updated.

2026-04-0220:26:39

Parts List (BOM) is updated.

Only PCB

PCB+Assembly

Project images are for reference only. Actual production is based on the manufacturing files on the project page. Please review the designer's notes (e.g., PCB thickness) and select the appropriate options. PCBWay is not responsible for issues caused by unsuitable parameter selections.
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Copyright Info

CERN-OHL-P-2.0 License

Under the CERN-OHL-P-2.0 License.

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Topic

Home Automation

Home Automation ESP8266 IOT ESPHome Home Assistant

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