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IR Tracker Offline: Cloud-Free Smart Meter Monitoring with ESP32-C3 and W5500

Cloud-free smart meter tracker using ESP32-C3 and optional W5500 Ethernet, with Wi-Fi fallback and local APIs for Home Assistant, MQTT, and more.

irina

Published September 14, 2026

187 UCC

5 WCC

66 VAR

Original author: MichaelrossmOriginal source (new tab)

IR Tracker Offline: Cloud-Free Smart Meter Monitoring with ESP32-C3 and W5500

Project description

πŸ“Œμ „λ ₯λŸ‰κ³„ 데이터λ₯Ό ν΄λΌμš°λ“œ 없이 ν™œμš©ν•˜λ‹€ IR Tracker Offline은 κ°€μ •μš© μ „λ ₯λŸ‰κ³„μ˜ κ΄‘ν•™ IR ν¬νŠΈμ—μ„œ 데이터λ₯Ό 읽고, 이λ₯Ό ESP32-C3μ—μ„œ 직접 λΆ„μ„ν•˜μ—¬ 둜컬 λ„€νŠΈμ›Œν¬μ— μ œκ³΅ν•˜λŠ” ν”„λ‘œμ νŠΈμž…λ‹ˆλ‹€. μ „λ ₯λŸ‰κ³„μ—μ„œ μ „λ‹¬λ˜λŠ” SML/OBIS λ˜λŠ” IEC 62056-21/D0 데이터λ₯Ό ESP32-C3μ—μ„œ 직접 μ²˜λ¦¬ν•˜κΈ° λ•Œλ¬Έμ— λ³„λ„μ˜ ν΄λΌμš°λ“œ μ„œλ²„κ°€ ν•„μš”ν•˜μ§€ μ•ŠμŠ΅λ‹ˆλ‹€. νŒŒμ‹±λœ λ°μ΄ν„°λŠ” 둜컬 Web UI뿐 μ•„λ‹ˆλΌ MQTT, Home Assistant, HTTP/JSON, CSV, Prometheus/OpenMetrics, InfluxDB λ“± μ—¬λŸ¬ μ‹œμŠ€ν…œμ—μ„œ λ™μ‹œμ— ν™œμš©ν•  수 μžˆμŠ΅λ‹ˆλ‹€. 즉, 이 ν”„λ‘œμ νŠΈμ˜ 핡심 κ΅¬μ‘°λŠ” λ‹€μŒκ³Ό κ°™μŠ΅λ‹ˆλ‹€. Electricity Meter β†’ IR Interface β†’ ESP32-C3 β†’ Local Processing β†’ W5500 Ethernet / Wi-Fi β†’ Local Services νŒŒμ‹±λœ κ³„λŸ‰κΈ° λ°μ΄ν„°λŠ” μ—¬λŸ¬ 둜컬 μΈν„°νŽ˜μ΄μŠ€λ₯Ό 톡해 μ œκ³΅ν•œλ‹€λŠ” 점이 일반적인 λ‹¨μˆœ Smart Meter Reader와 μ°¨λ³„λ˜λŠ” λΆ€λΆ„μž…λ‹ˆλ‹€. πŸ” μ „λ ₯λŸ‰κ³„μ—μ„œλŠ” μ–΄λ–€ 데이터λ₯Ό μ½μ„κΉŒ? IR Tracker Offline은 μ „λ ₯λŸ‰κ³„μ˜ 광학…

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