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Description

EMS-ESP with ESP WROOM 32 node mcu ESP-32S

The project is based on https://github.com/emsesp/EMS-ESP32.

EMS-ESP is an open-source firmware for the Espressif ESP32 microcontroller to communicate with EMS (Energy Management System)-compatible equipment from manufacturers such as Bosch, Buderus, Nefit, Junkers, Worcester, Sieger, elm.leblanc, and iVT.

To interface, you need an EMS-to-UART converter; this hardware takes care of that. Additionally, an ESP32-S NodeMCU can be used to create the complete system.

Warning: Before connecting the ESP32, adjust the DSM-MINI-360's trimmer to provide a 3.3 V output. Otherwise, the ESP32 will burn out because it is powered by the bus voltage.

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Sep 05,2025

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EMS-ESP with ESP WROOM 32 node mcu ESP-32S

Hardware on NODE MCU ESP-32S for project https://github.com/emsesp/EMS-ESP32

2272

Published: Sep 05,2025

Standard PCB

Download Gerber file 65

BOM(Bill of materials)

Centroid file

Other files for Assembly

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File Last Updated: 2025/09/19 (GMT+8)

File update record

2025-09-1916:58:18

Other files for Assembly are updated.

2025-09-1916:58:18

Gerber file is updated.

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