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ahoy

Ahoy(AhoyDTU)

ahoy

Project description

ahoy

๐Ÿ“Œ Overview

Ahoy (AhoyDTU)๋Š” ํƒœ์–‘๊ด‘ ์ธ๋ฒ„ํ„ฐ(Hoymiles ๋งˆ์ดํฌ๋กœ์ธ๋ฒ„ํ„ฐ)์™€ ๋ฌด์„ (RF)๋กœ ํ†ต์‹ ํ•ด, ๋ฐœ์ „ ๋ฐ์ดํ„ฐ(์ „๋ ฅ/์ „๋ฅ˜/์ผ์ผ ๋ฐœ์ „๋Ÿ‰ ๋“ฑ)๋ฅผ ์ˆ˜์ง‘ํ•˜๊ณ  ์ถœ๋ ฅ ์ œํ•œ(Zero Export ๋“ฑ) ๊ฐ™์€ ์ œ์–ด ํŒŒ๋ผ๋ฏธํ„ฐ๊นŒ์ง€ ์„ค์ •ํ•  ์ˆ˜ ์žˆ๊ฒŒ ํ•ด์ฃผ๋Š” ์˜คํ”ˆ์†Œ์Šค DTU(๋ฐ์ดํ„ฐ ์ˆ˜์ง‘ยท์ „์†ก ์žฅ์น˜) ํ”„๋กœ์ ํŠธ์ž…๋‹ˆ๋‹ค.

์‚ฌ์šฉ์ž๋Š” ์ˆ˜์ง‘๋œ ๊ฐ’์„ **์›น UI(๋ธŒ๋ผ์šฐ์ €)**๋กœ ๋ณด๊ฑฐ๋‚˜, MQTT ๋˜๋Š” JSON ์ธํ„ฐํŽ˜์ด์Šค๋กœ ์™ธ๋ถ€ ์‹œ์Šคํ…œ(์˜ˆ: Home Assistant, EMS, ์„œ๋ฒ„)๊ณผ ์—ฐ๋™ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

ESP8266/ESP32/Raspberry Pi ๋“ฑ ์—ฌ๋Ÿฌ ํ•˜๋“œ์›จ์–ด์—์„œ ๊ตฌ๋™๋˜๋Š” ์ ์ด ํŠน์ง•์ด๋ฉฐ(์ปค๋ฎค๋‹ˆํ‹ฐ ์ด์Šˆ ํ…œํ”Œ๋ฆฟ์—๋„ ๋ช…์‹œ), ์œ ์„  ์ด๋”๋„ท(์˜ˆ: ESP32 + W5500) ๊ตฌ์„ฑ์— ๋Œ€ํ•œ ์‚ฌ์šฉ์ž ์ˆ˜์š”/์‚ฌ๋ก€๊ฐ€ ์ด์Šˆ๋กœ ๋ฐ˜๋ณต ํ™•์ธ๋ฉ๋‹ˆ๋‹ค.

Image generated by ChatGPT (OpenAI)
Image generated by ChatGPT (OpenAI)

๐Ÿ“Œ Features

์‹ค์‹œ๊ฐ„ ๋ฐœ์ „ ๋ชจ๋‹ˆํ„ฐ๋ง + ์ œ์–ด(์ถœ๋ ฅ ์ œํ•œ ๋“ฑ)

  • ์ธ๋ฒ„ํ„ฐ์˜ ์‹ค์‹œ๊ฐ„ ๊ฐ’(์ „๋ ฅ/์ „๋ฅ˜/์ผ์ผ ๋ฐœ์ „๋Ÿ‰ ๋“ฑ)์„ ์ฝ๊ณ , ์ „๋ ฅ ์ œํ•œ ๊ฐ™์€ ์„ค์ •์„ ์กฐ์ •.

์›น UI + MQTT + JSON ์—ฐ๋™

  • ๋ธŒ๋ผ์šฐ์ € ๊ธฐ๋ฐ˜ UI๋กœ ์ฆ‰์‹œ ํ™•์ธ ๊ฐ€๋Šฅํ•˜๊ณ , MQTT/JSON์œผ๋กœ ์™ธ๋ถ€ ์ž๋™ํ™”ยท๋Œ€์‹œ๋ณด๋“œยท์„œ๋ฒ„์— ๋ถ™์ด๊ธฐ ์‰ฌ์›€.

๋ฉ€ํ‹ฐ ํ”Œ๋žซํผ(ESP8266/ESP32/RPi) ์ง€์›

  • ์ €๋น„์šฉ ESP8266๋ถ€ํ„ฐ ์„ฑ๋Šฅ ์—ฌ์œ  ์žˆ๋Š” ESP32, ๋ผ์ฆˆ๋ฒ ๋ฆฌํŒŒ์ด๊นŒ์ง€ ์„ ํƒ ํญ์ด ๋„“์Œ.

์œ ์„  ์ด๋”๋„ท(ESP32 + W5500) ๊ตฌ์„ฑ ์ˆ˜์š” ๋ฐ ํŽŒ์›จ์–ด/์„ค์ • ๋…ผ์˜๊ฐ€ ํ™œ๋ฐœ

  • โ€œESP32 30 pins + W5500 ETH firmwareโ€ ๊ฐ™์€ ๊ตฌ์ฒด ํ‘œํ˜„์ด ์ด์Šˆ ๋ณธ๋ฌธ์— ๋“ฑ์žฅ(์‚ฌ์šฉ์ž๊ฐ€ ์‹ค์ œ๋กœ ํ•ด๋‹น ์กฐํ•ฉ์„ ์“ฐ๊ณ  ์žˆ์Œ).

๋ฆด๋ฆฌ์Šค๊ฐ€ ์ง€์†์ ์œผ๋กœ ์—…๋ฐ์ดํŠธ๋˜๋Š” ์žฅ๊ธฐ ์šด์˜ํ˜• ํ”„๋กœ์ ํŠธ

  • ์ตœ์‹  ๋ฆด๋ฆฌ์Šค๊ฐ€ 2025-08-12์— ๊ฒŒ์‹œ(์˜ˆ: v0.8.156)๋˜์–ด ์œ ์ง€๋ณด์ˆ˜ ํ๋ฆ„์ด ํ™•์ธ๋จ.

๐Ÿ“Œ System Architecture

๊ตฌ์„ฑ ์š”์†Œ

  • MCU ๋ณด๋“œ(ESP8266/ESP32 ๋˜๋Š” Raspberry Pi): DTU ํŽŒ์›จ์–ด ์‹คํ–‰, ๋ฐ์ดํ„ฐ ์ฒ˜๋ฆฌ/์—ฐ๋™
  • RF ๋ชจ๋“ˆ(nRF24L01+ ๊ณ„์—ด): Hoymiles ์ธ๋ฒ„ํ„ฐ์™€ ๋ฌด์„  ํ†ต์‹ (๋ฐ์ดํ„ฐ ์ˆ˜์ง‘/์ œ์–ด ๋ฉ”์‹œ์ง€ ์†ก์ˆ˜์‹ )
  • ๋„คํŠธ์›Œํฌ ์ธํ„ฐํŽ˜์ด์Šค
    • Wi-Fi(๊ธฐ๋ณธ) ๋˜๋Š” **์ด๋”๋„ท(์˜ˆ: ESP32 + W5500)**์„ ํ†ตํ•ด LAN์— ์ ‘์†
  • ๋กœ์ปฌ/์›๊ฒฉ ์„œ๋น„์Šค
    • ์›น UI(HTTP): ์‚ฌ์šฉ์ž๊ฐ€ ๋ธŒ๋ผ์šฐ์ €๋กœ ์ ‘์†ํ•ด ๋ชจ๋‹ˆํ„ฐ๋ง/์„ค์ •
    • MQTT ๋ธŒ๋กœ์ปค: ํ™ˆ์˜คํ† ๋ฉ”์ด์…˜/EMS/์„œ๋ฒ„๋กœ ๋ฐ์ดํ„ฐ ๋ฐœํ–‰(Topic/๋ธŒ๋กœ์ปค ์„ค์ • ํ•„์š”)
    • JSON ์ธํ„ฐํŽ˜์ด์Šค: ์™ธ๋ถ€ ํ”„๋กœ๊ทธ๋žจ์ด API ํ˜•ํƒœ๋กœ ์กฐํšŒ/์—ฐ๋™

๋ฐ์ดํ„ฐ ํ๋ฆ„

์ธ๋ฒ„ํ„ฐ โ†” (RF) โ†” AhoyDTU(ESP/RPi) โ†’ (LAN: Wi-Fi ๋˜๋Š” Ethernet) โ†’

  • (A) ๋ธŒ๋ผ์šฐ์ €(Web UI)
  • (B) MQTT ๋ธŒ๋กœ์ปค โ†’ Home Assistant/๋Œ€์‹œ๋ณด๋“œ/์„œ๋ฒ„
  • (C) JSON API ์†Œ๋น„์ž(์Šคํฌ๋ฆฝํŠธ/์„œ๋ฒ„/๋ถ„์„ ํŒŒ์ดํ”„๋ผ์ธ)

๐Ÿ“Œ Role and Application of the WIZnet's Chip

์‚ฌ์šฉ๋œ WIZnet ์นฉ: W5500

๋„คํŠธ์›Œํฌ์—์„œ์˜ ์—ญํ• 

  • AhoyDTU ์žฅ์น˜๊ฐ€ Wi-Fi ๋Œ€์‹ (๋˜๋Š” ๋ณด์™„์œผ๋กœ) ์œ ์„  ์ด๋”๋„ท LAN์— ๋ถ™๊ธฐ ์œ„ํ•œ Ethernet ์ปจํŠธ๋กค๋Ÿฌ(SPI ๊ธฐ๋ฐ˜) ์—ญํ• 
  • ์ด๋ฅผ ํ†ตํ•ด AhoyDTU์˜ ์›น UI(HTTP ์ ‘์†), MQTT ์†ก์‹ , JSON API ์ œ๊ณต ๊ฐ™์€ ์ƒ์œ„ ๊ธฐ๋Šฅ์ด โ€œ์œ ์„ ๋งโ€์—์„œ๋„ ๋™์ž‘ ๊ฐ€๋Šฅ(ํ”„๋กœํ† ์ฝœ ์ž์ฒด๋Š” ํ”„๋กœ์ ํŠธ๊ฐ€ ์ œ๊ณต).

W5500์„ ์‚ฌ์šฉํ•˜๋Š” ์ด์œ 

  • ํ”„๋กœ์ ํŠธ ๊ณต์‹์ ์œผ๋กœ W5500์„ โ€œํ•„์ˆ˜โ€๋กœ ์ฑ„ํƒํ–ˆ๋‹ค๋Š” ๋ช…์‹œ๋Š” ํ˜„์žฌ ๊ณต๊ฐœ ์ž๋ฃŒ์—์„œ ์ง์ ‘ ํ™•์ธ๋˜์ง€ ์•Š์ง€๋งŒ, v0.8.140 ๋ฆด๋ฆฌ์Šค์—์„œ Ethernet ์ฝ”๋“œ๊ฐ€ ํ†ตํ•ฉ๋œ ์ ์€ โ€œ์œ ์„  ๋„คํŠธ์›Œํฌ ์˜ต์…˜์„ ์˜คํ”ผ์…œ ๋นŒ๋“œ์—์„œ ์ง€์›ํ•˜๋ ค๋Š” ๋ฐฉํ–ฅ์„ฑโ€์„ ๋ณด์—ฌ ์ค๋‹ˆ๋‹ค.
๐Ÿ“Œ Role and Application of the WIZnet's Chip
  • W5500์€ MCU์— SPI๋กœ ์†์‰ฝ๊ฒŒ ์ด๋”๋„ท์„ ์ถ”๊ฐ€ํ•  ์ˆ˜ ์žˆ์–ด, Wi-Fi๊ฐ€ ๋ถˆ์•ˆ์ •ํ•˜๊ฑฐ๋‚˜ ์ฐจํ/๊ฑฐ๋ฆฌ/ํ˜ผ์žก์ด ์žˆ๋Š” ํ™˜๊ฒฝ์—์„œ ์—ฐ๊ฒฐ ์•ˆ์ •์„ฑ์„ ๊ธฐ๋Œ€ํ•˜๋Š” ์‚ฌ์šฉ์ž๊ฐ€ ์„ ํƒํ•˜๋Š” ๊ฒฝํ–ฅ

โ€œAhoy ํ”„๋กœ์ ํŠธ๊ฐ€ W5500์„ ํ•„์ˆ˜ ๊ตฌ์„ฑ์œผ๋กœ ๊ณต์‹ ๊ณ ์ • ์ฑ„ํƒํ–ˆ๋‹คโ€๊นŒ์ง€๋Š” ํ™•์ธ๋˜์ง€ ์•Š์œผ๋ฉฐ, ESP32 + W5500 ์กฐํ•ฉ์€ ์‚ฌ์šฉ์ž ๊ตฌ์„ฑ/ํŽŒ์›จ์–ด ๋ณ€ํ˜•(ETH firmware ๋“ฑ) ํ˜•ํƒœ๋กœ ์ฃผ๋กœ ๋…ผ์˜๋˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.

Github Issue 

#886  https://github.com/lumapu/ahoy/issues/886

ahoy, Github Issue

ํ…Œ์ŠคํŠธ์šฉ์œผ๋กœ WiFi๋ฅผ ์‚ฌ์šฉํ•˜๊ณ  ์žˆ์ง€๋งŒ ์‹ค์ œ ์„ค์น˜์—์„œ๋Š” LAN์ด ๋” ์„ ํ˜ธ๋œ๋‹ค๋Š” ์˜๊ฒฌ

ahoy, Github Issue

ESP32 + W5500 ์‚ฌ์šฉ ๊ณ„ํš์ค‘

ahoy, Github Issue

ESP32 + W5500์„ ์ด์šฉํ•˜์—ฌ ์‹ค์ œ ์‚ฌ์šฉํ•œ ์‚ฌ๋ก€

#1049   https://github.com/lumapu/ahoy/issues/1049

ahoy, Github Issue

#1506 https://github.com/lumapu/ahoy/issues/1506

ahoy, Github Issue

์‚ฌ์šฉ์ž๊ฐ€ ์ง์ ‘ ํ•˜๋“œ์›จ์–ด๋ฅผ ๊ตฌ์„ฑํ•ด W5500์„ ESP32์— ์—ฐ๊ฒฐํ•˜์—ฌ ์‚ฌ์šฉํ•˜๋Š” ์‚ฌ๋ก€๋„ ์กด์žฌ

๐Ÿ“Œ Market & Application Value

์ ์šฉ ์‹œ์žฅ/์‚ฐ์—…

  • ๊ฐ€์ •์šฉยท์†Œ๊ทœ๋ชจ ํƒœ์–‘๊ด‘(๋ฐœ์ฝ”๋‹ˆ PV, ๋งˆ์ดํฌ๋กœ์ธ๋ฒ„ํ„ฐ ๊ธฐ๋ฐ˜) ๋ชจ๋‹ˆํ„ฐ๋ง/์ œ์–ด(์—๋„ˆ์ง€ ์ตœ์ ํ™”, ์ž‰์—ฌ์ „๋ ฅ ์ œ์–ด)
  • ํ™ˆ ์˜คํ† ๋ฉ”์ด์…˜/EMS ์—ฐ๋™ ์‹œ์žฅ: MQTT ๊ธฐ๋ฐ˜์œผ๋กœ Home Assistant ๋“ฑ๊ณผ ๊ฒฐํ•ฉํ•˜๊ธฐ ์‰ฌ์›€
๐Ÿ“Œ Market & Application Value

https://docs.ahoydtu.de/de/latest/mqtt.html

์ œํ’ˆํ™”/์„œ๋น„์Šค ํ™•์žฅ ๊ฐ€๋Šฅ์„ฑ

์˜คํ”ˆ์†Œ์Šค DTU๋Š” **ํ•˜๋“œ์›จ์–ด(ESP/RPi + RF + Ethernet/Wi-Fi)**๋งŒ ์ค€๋น„ํ•˜๋ฉด ๊ธฐ๋Šฅ์„ ๊ตฌํ˜„ํ•  ์ˆ˜ ์žˆ์–ด,

  • (A) โ€œDIY ํ‚คํŠธโ€
  • (B) โ€œ์„ค์น˜ํ˜• ๊ฒŒ์ดํŠธ์›จ์ด(๋กœ์ปฌ EMS ์—ฐ๋™)โ€
  • (C) โ€œํด๋ผ์šฐ๋“œ ์ˆ˜์ง‘/๋ถ„์„ ์„œ๋น„์Šคโ€

๋กœ ํ™•์žฅ ์—ฌ์ง€๊ฐ€ ํผ.

๐Ÿ“Œ External Indicators

Github

๐Ÿ“Œ External Indicators
  • Stars : 996
  • Forks : 231
  • Latest Release : 2025-08-12
๐Ÿ“Œ External Indicators

Github Issue์— W5500 ๊ด€๋ จ ๊ธ€์ด Open 6๊ฐœ Close 8๊ฐœ๋กœ โ€œ์œ ์„  LAN ์ˆ˜์š”โ€๊ฐ€ ์‹ค์ œ ์กด์žฌํ•จ์„ ๊ฐ„์ ‘ ์ฆ๋ช…

AhoyDTU FAQ 

https://ahoydtu.de/faq/

๐Ÿ“Œ External Indicators

AhoyDTU FAQ ์— W5500 ๊ด€๋ จ QnA๊ฐ€ ์กด์žฌํ•จ.

๐Ÿ“Œ WIZnet Strategic Value

Maker ์ƒํƒœ๊ณ„ ๋ฉ”์‹œ์ง€(๊ณผ์žฅ ์—†์ด ํ•œ ๋ฌธ์žฅ์œผ๋กœ)

  • โ€œํƒœ์–‘๊ด‘/์—๋„ˆ์ง€ ๋ชจ๋‹ˆํ„ฐ๋ง ๊ฐ™์€ ์‹ค์‚ฌ์šฉ IoT์—์„œ, W5500์€ ESP32 ๊ธฐ๋ฐ˜ ์˜คํ”ˆ์†Œ์Šค ๊ฒŒ์ดํŠธ์›จ์ด์— ์œ ์„  ๋„คํŠธ์›Œํฌ ์„ ํƒ์ง€๋ฅผ ์ œ๊ณตํ•ด ์„ค์น˜ ๋‹ค์–‘์„ฑ์„ ๋„“ํžŒ๋‹ค.โ€

๋‹ค๋ฅธ ๊ณ ๊ฐยท๊ฐœ๋ฐœ์ž์—๊ฒŒ ์ฃผ๋Š” ํฌ์ธํŠธ

  • Wi-Fi ํ™˜๊ฒฝ์ด ๋ถˆ๋ฆฌํ•œ ์„ค์น˜(๋ถ„์ „๋ฐ˜ ๊ทผ์ฒ˜, ๊ธˆ์† ํ•จ์ฒด, ์™ธ๋ถ€ํ•จ, ์žก์Œ ๋งŽ์€ ๊ณต๊ฐ„)์—์„œ ์œ ์„  LAN์„ ์‰ฝ๊ฒŒ ๋ถ™์ด๋Š” ์ ‘๊ทผ์€ ์—ฌ์ „ํžˆ ์œ ํšจํ•˜๋ฉฐ, ์ปค๋ฎค๋‹ˆํ‹ฐ์—์„œ๋„ ๊ทธ ์ˆ˜์š”๊ฐ€ ํ™•์ธ๋œ๋‹ค.

๐Ÿ“Œ Summary

AhoyDTU๋Š” Hoymiles ๋งˆ์ดํฌ๋กœ์ธ๋ฒ„ํ„ฐ๋กœ๋ถ€ํ„ฐ ํƒœ์–‘๊ด‘ ๋ฐœ์ „ ๋ฐ์ดํ„ฐ๋ฅผ ๋ฌด์„ ์œผ๋กœ ์ˆ˜์ง‘ํ•˜๊ณ , ์ด๋ฅผ ์›น UI, MQTT, JSON ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ํ†ตํ•ด ๋กœ์ปฌ ๋„คํŠธ์›Œํฌ์™€ ์™ธ๋ถ€ ์‹œ์Šคํ…œ์œผ๋กœ ์œ ์—ฐํ•˜๊ฒŒ ์—ฐ๋™ํ•  ์ˆ˜ ์žˆ๋„๋ก ์„ค๊ณ„๋œ ์˜คํ”ˆ์†Œ์Šค DTU ํ”„๋กœ์ ํŠธ์ด๋‹ค. ๋‹จ์ˆœ ๋ชจ๋‹ˆํ„ฐ๋ง์„ ๋„˜์–ด ์ถœ๋ ฅ ์ œํ•œ๊ณผ ๊ฐ™์€ ์ œ์–ด ๊ธฐ๋Šฅ๊นŒ์ง€ ํฌํ•จํ•˜๊ณ  ์žˆ์œผ๋ฉฐ, ESP8266ยทESP32ยทRaspberry Pi ๋“ฑ ๋‹ค์–‘ํ•œ ํ•˜๋“œ์›จ์–ด์—์„œ ๋™์ž‘ํ•ด ์‹ค์ œ ์„ค์น˜ ํ™˜๊ฒฝ์— ๋งž์ถ˜ ์„ ํƒ์ด ๊ฐ€๋Šฅํ•˜๋‹ค. ํŠนํžˆ v0.8.140 ๋ฆด๋ฆฌ์Šค ์ดํ›„ Ethernet ์ฝ”๋“œ๊ฐ€ ๊ณต์‹ ๋นŒ๋“œ์— ํ†ตํ•ฉ๋˜๋ฉด์„œ, ESP32์™€ WIZnet W5500 ์กฐํ•ฉ์„ ํ†ตํ•œ ์œ ์„  LAN ๊ตฌ์„ฑ๋„ ํ˜„์‹ค์ ์ธ ์˜ต์…˜์œผ๋กœ ์ž๋ฆฌ ์žก์•˜๋‹ค. ์ด๋Š” Wi-Fi ํ’ˆ์งˆ์ด ๋ถˆ์•ˆ์ •ํ•œ ํƒœ์–‘๊ด‘ ์„ค๋น„ ํ™˜๊ฒฝ์—์„œ ๋„คํŠธ์›Œํฌ ์‹ ๋ขฐ์„ฑ์„ ๋†’์ผ ์ˆ˜ ์žˆ๋Š” ๋ฐฉํ–ฅ์„ฑ์„ ์ œ์‹œํ•˜๋ฉฐ, W5500์ด ์˜คํ”ˆ์†Œ์Šค ์—๋„ˆ์ง€ ๊ฒŒ์ดํŠธ์›จ์ด์—์„œ โ€œ์„ ํƒ ๊ฐ€๋Šฅํ•œ ์œ ์„  ๋„คํŠธ์›Œํฌ ์†”๋ฃจ์…˜โ€์œผ๋กœ ํ™œ์šฉ๋  ์ˆ˜ ์žˆ์Œ์„ ๋ณด์—ฌ์ค€๋‹ค. AhoyDTU๋Š” ์ปค๋ฎค๋‹ˆํ‹ฐ ์ฃผ๋„์˜ ์‹ค์‚ฌ์šฉ ์‚ฌ๋ก€์™€ ์ง€์†์ ์ธ ์—…๋ฐ์ดํŠธ๋ฅผ ํ†ตํ•ด, WIZnet ์นฉ์ด ์—๋„ˆ์ง€ยท์„ค๋น„ ๋ชจ๋‹ˆํ„ฐ๋ง ๋ถ„์•ผ์—์„œ ์–ด๋–ป๊ฒŒ ์‹ค์งˆ์ ์ธ ๊ฐ€์น˜๋ฅผ ์ œ๊ณตํ•  ์ˆ˜ ์žˆ๋Š”์ง€๋ฅผ ์ž˜ ๋“œ๋Ÿฌ๋‚ด๋Š” ์‚ฌ๋ก€๋ผ ํ•  ์ˆ˜ ์žˆ๋‹ค.

๐Ÿ“Œ QnA

AhoyDTU๋Š” ๋ฌด์—‡์„ ํ•˜๋Š” ํ”„๋กœ์ ํŠธ์ธ๊ฐ€?

Hoymiles ๋งˆ์ดํฌ๋กœ์ธ๋ฒ„ํ„ฐ์™€ ๋ฌด์„ ์œผ๋กœ ํ†ต์‹ ํ•ด ๋ฐœ์ „ ๋ฐ์ดํ„ฐ๋ฅผ ์ˆ˜์ง‘ํ•˜๊ณ , ์›น UI/MQTT/JSON์œผ๋กœ ์™ธ๋ถ€์— ์ œ๊ณตํ•˜๋ฉฐ ์ผ๋ถ€ ์ œ์–ด(์ถœ๋ ฅ ์ œํ•œ ๋“ฑ)๋„ ์ง€์›ํ•˜๋Š” ์˜คํ”ˆ์†Œ์Šค DTU์ด๋‹ค.

์™œ MQTT/JSON ์—ฐ๋™์ด ์ค‘์š”ํ•œ๊ฐ€?

๋ฐœ์ „ ๋ฐ์ดํ„ฐ๋ฅผ โ€œํ™”๋ฉด์—์„œ ๋ณด๊ธฐโ€๋ฅผ ๋„˜์–ด, ํ™ˆ์˜คํ† ๋ฉ”์ด์…˜/EMS/์„œ๋ฒ„๊ฐ€ ์žฌ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ๋Š” ํ˜•ํƒœ๋กœ ํ˜๋ ค๋ณด๋‚ด์•ผ ์ž๋™์ œ์–ดยท์ €์žฅยท๋ถ„์„์ด ๊ฐ€๋Šฅํ•ด์ง„๋‹ค. Ahoy๋Š” MQTT์™€ JSON ๊ฒฝ๋กœ๋ฅผ ์ œ๊ณตํ•œ๋‹ค.

W5500์€ ์ด ๊ตฌ์„ฑ์—์„œ ์–ด๋–ค ๊ฐ€์น˜๋ฅผ ์ฃผ๋‚˜?

ESP32๊ฐ€ Wi-Fi ๋Œ€์‹ (๋˜๋Š” ๋ณด์™„์œผ๋กœ) ์œ ์„  LAN์— ์—ฐ๊ฒฐ๋  ์ˆ˜ ์žˆ์–ด, ์„ค์น˜ ํ™˜๊ฒฝ์— ๋”ฐ๋ผ ์—ฐ๊ฒฐ ์•ˆ์ •์„ฑ์„ ๊ธฐ๋Œ€ํ•˜๊ณ ์ž ํ•  ๋•Œ ์„ ํƒ๋œ๋‹ค. ์‹ค์ œ๋กœ ESP32 + W5500 ๊ธฐ๋ฐ˜ ํŽŒ์›จ์–ด/์„ค์ •์ด ์ด์Šˆ์—์„œ ๋ฐ˜๋ณต ์–ธ๊ธ‰๋œ๋‹ค.

์ปค๋ฎค๋‹ˆํ‹ฐ ํ™œ๋™์€ ์–ด๋А ์ •๋„์ธ๊ฐ€?

Stars 995, Forks 232, Issues 219 ์ˆ˜์ค€์ด๋ฉฐ ์ตœ์‹  ๋ฆด๋ฆฌ์Šค๋„ 2025-08-12์— ๊ฒŒ์‹œ๋˜์–ด โ€œ์šด์˜๋˜๋Š” ํ”„๋กœ์ ํŠธโ€๋กœ ๋ณผ ๊ทผ๊ฑฐ๊ฐ€ ์žˆ๋‹ค.

์ด ํ”„๋กœ์ ํŠธ๋ฅผ ๋„์ž…ํ•  ๋•Œ ํ˜„์‹ค์ ์ธ ์ฒดํฌํฌ์ธํŠธ๋Š”?

RF ํ†ต์‹  ํ’ˆ์งˆ(๋ชจ๋“ˆ/์•ˆํ…Œ๋‚˜/์ „์› ์•ˆ์ •ํ™”), ๋„คํŠธ์›Œํฌ ๊ตฌ์„ฑ(Wi-Fi vs Ethernet), ๊ทธ๋ฆฌ๊ณ  MQTT ๋ธŒ๋กœ์ปค/ํ† ํ”ฝ ์„ค๊ณ„๊ฐ€ ์‹ค์ œ ์šด์˜ ํ’ˆ์งˆ์„ ์ขŒ์šฐํ•œ๋‹ค. MQTT๋Š” ๋ธŒ๋กœ์ปค ์ฃผ์†Œ ๋“ฑ ํ•„์ˆ˜ ์„ค์ •์ด ํ•„์š”ํ•˜๋‹ค.

๐Ÿ“Œ Reference Link

https://ahoydtu.de/

https://github.com/lumapu/ahoy/


๐Ÿ“Œ Overview

Ahoy (AhoyDTU) is an open-source DTU (data collection and transmission unit) project that communicates wirelessly (RF) with solar inverters (Hoymiles microinverters) to collect generation data (power, current, daily energy, etc.) and to configure control parameters such as output limiting (e.g., Zero Export).

Users can view the collected data through a web UI (browser) or integrate it with external systems (e.g., Home Assistant, EMS, servers) via MQTT or JSON interfaces.

A key characteristic is that it runs on multiple hardware platforms such as ESP8266, ESP32, and Raspberry Pi (as explicitly noted in the community issue templates), and recurring user demand and cases for wired Ethernet configurations (e.g., ESP32 + W5500) are repeatedly observed in issues.

Image generated by ChatGPT (OpenAI)
Image generated by ChatGPT (OpenAI)

๐Ÿ“Œ Features

Real-time power generation monitoring + control (output limiting, etc.)

  • Reads real-time inverter values (power, current, daily energy, etc.) and adjusts settings such as power output limits.

Web UI + MQTT + JSON integration

  • Provides immediate visibility via a browser-based UI and easy integration with external automation systems, dashboards, and servers through MQTT/JSON.

Multi-platform support (ESP8266 / ESP32 / Raspberry Pi)

  • Offers a wide range of options, from low-cost ESP8266 to higher-performance ESP32 and Raspberry Pi.

Strong demand and active discussion for wired Ethernet (ESP32 + W5500) configurations

  • Specific expressions such as โ€œESP32 30 pins + W5500 ETH firmwareโ€ appear in issue discussions, indicating real-world use of this combination.

Long-term, actively maintained project with continuous releases

  • The latest release was published on 2025-08-12 (e.g., v0.8.156), confirming an ongoing maintenance cycle.

๐Ÿ“Œ System Architecture

Components

  • MCU board (ESP8266 / ESP32 or Raspberry Pi): Runs the DTU firmware and handles data processing and integration
  • RF module (nRF24L01+ series): Wireless communication with Hoymiles inverters (data collection / control message transmission and reception)
  • Network interface
    • Wi-Fi (default) or Ethernet (e.g., ESP32 + W5500) for LAN connectivity
  • Local / remote services
    • Web UI (HTTP): Users access via a browser for monitoring and configuration
    • MQTT broker: Publishes data to home automation systems, EMS, or servers (requires topic/broker configuration)
    • JSON interface: Allows external programs to query and integrate via an API-style interface

Data flow

Inverter โ†” (RF) โ†” AhoyDTU (ESP / RPi) โ†’ (LAN: Wi-Fi or Ethernet) โ†’

  • (A) Browser (Web UI)
  • (B) MQTT broker โ†’ Home Assistant / dashboards / servers
  • (C) JSON API consumers (scripts / servers / analytics pipelines)

๐Ÿ“Œ Role and Application of the WIZnet's Chip

WIZnet chip used: W5500

Role in the network

  • Acts as an SPI-based Ethernet controller that allows the AhoyDTU device to connect to a wired Ethernet LAN instead of (or in addition to) Wi-Fi.
  • This enables higher-level AhoyDTU featuresโ€”such as the web UI (HTTP access), MQTT publishing, and the JSON APIโ€”to operate over a wired network (the protocols themselves are provided by the project).

Why the W5500 is used

  • While there is no explicit statement in the currently available public materials that the project officially mandates the W5500 as a โ€œrequiredโ€ component, the integration of Ethernet code in the v0.8.140 release indicates a clear direction toward supporting wired network options in official builds.
๐Ÿ“Œ Role and Application of the WIZnet's Chip
  • The W5500 makes it easy to add Ethernet to an MCU via SPI, and is therefore often chosen by users who expect better connection stability in environments where Wi-Fi is unreliable due to shielding, distance, or congestion.

It has not been confirmed that the Ahoy project has officially fixed the W5500 as a mandatory configuration; rather, the ESP32 + W5500 combination is mainly discussed in the form of user-defined setups and firmware variants (such as ETH firmware).

Github Issue 

#886  https://github.com/lumapu/ahoy/issues/886

ahoy, Github Issue

While Wi-Fi is used for testing, there is an opinion that LAN is preferred for actual installations.

ahoy, Github Issue

Planning to use ESP32 + W5500

ahoy, Github Issue

A real-world case using ESP32 + W5500

#1049   https://github.com/lumapu/ahoy/issues/1049

ahoy, Github Issue

#1506 https://github.com/lumapu/ahoy/issues/1506

ahoy, Github Issue

There are also cases where users directly build their own hardware and connect a W5500 to an ESP32.

๐Ÿ“Œ Market & Application Value

Target markets / industries

  • Residential and small-scale solar (balcony PV, microinverter-based) monitoring and control (energy optimization, surplus power control)
  • Home automation / EMS integration market: Easy integration with systems such as Home Assistant via MQTT
๐Ÿ“Œ Market & Application Value

https://docs.ahoydtu.de/de/latest/mqtt.html

Productization / service expansion potential

Because the open-source DTU can implement its functionality with just the hardware (ESP/RPi + RF + Ethernet/Wi-Fi) in place, it has significant potential to be expanded into:

  • (A) โ€œDIY kitsโ€
  • (B) โ€œInstalled gateways (local EMS integration)โ€
  • (C) โ€œCloud-based data collection and analysis servicesโ€

๐Ÿ“Œ External Indicators

Github

๐Ÿ“Œ External Indicators
  • Stars : 996
  • Forks : 231
  • Latest Release : 2025-08-12
๐Ÿ“Œ External Indicators

GitHub issues related to the W5500 show 6 open and 8 closed items, indirectly demonstrating that there is real demand for wired LAN support.

AhoyDTU FAQ 

https://ahoydtu.de/faq/

๐Ÿ“Œ External Indicators

The AhoyDTU FAQ includes Q&A related to the W5500.

๐Ÿ“Œ WIZnet Strategic Value

Maker ecosystem message (one sentence, without exaggeration)

  • โ€œIn real-world IoT applications such as solar power and energy monitoring, the W5500 expands installation flexibility by providing a wired network option to ESP32-based open-source gateways.โ€

Key point for other customers and developers

  • In installations where Wi-Fi conditions are unfavorable (near distribution panels, metal enclosures, outdoor boxes, noisy environments), the approach of easily adding wired LAN remains valid, and that demand is also being confirmed within the community.

๐Ÿ“Œ Summary

AhoyDTU is an open-source DTU project designed to wirelessly collect solar power generation data from Hoymiles microinverters and flexibly integrate it with local networks and external systems through a web UI, MQTT, and JSON interfaces. Going beyond simple monitoring, it also includes control functions such as output limiting, and runs on a variety of hardware platforms including ESP8266, ESP32, and Raspberry Pi, allowing users to choose according to their actual installation environment.

In particular, since Ethernet code was integrated into the official build starting with the v0.8.140 release, a wired LAN configuration using the ESP32 and WIZnet W5500 combination has become a practical option. This presents a direction for improving network reliability in solar installation environments where Wi-Fi quality is unstable, and demonstrates that the W5500 can be utilized as an โ€œoptional wired network standard solutionโ€ in open-source energy gateways. Through community-driven real-world use cases and continuous updates, AhoyDTU serves as a clear example of how WIZnet chips can deliver tangible value in the energy and facility monitoring domain.

๐Ÿ“Œ QnA

What does AhoyDTU do?

It is an open-source DTU that communicates wirelessly with Hoymiles microinverters to collect power generation data, provides it externally via a web UI / MQTT / JSON, and also supports certain control functions such as output limiting.

Why is MQTT / JSON integration important?

Going beyond simply โ€œviewing data on a screen,โ€ automation, storage, and analysis become possible only when generation data can be reused by home automation systems, EMS, or servers. Ahoy provides MQTT and JSON pathways for this purpose.

What value does the W5500 add in this setup?

It allows the ESP32 to connect to a wired LAN instead of (or in addition to) Wi-Fi, making it a preferred option when connection stability is required depending on the installation environment. In practice, ESP32 + W5500โ€“based firmware and configurations are repeatedly mentioned in issues.

How active is the community?

With around 995 stars, 232 forks, and 219 issues, and with the latest release posted on 2025-08-12, there is sufficient evidence to view it as an actively operated project.

What are the practical checkpoints when adopting this project?

RF communication quality (module / antenna / power stability), network configuration (Wi-Fi vs Ethernet), and MQTT broker / topic design largely determine real-world operational quality. MQTT requires essential configuration such as the broker address.

๐Ÿ“Œ Reference Link

https://ahoydtu.de/

https://github.com/lumapu/ahoy/

 

 

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