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M1: DHL Retrofit Beta

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•Last updated May 24, 2026

Standalone ESP-based DHL parcel box retrofit beta: local multi-household access, Wiegand keypad, NFC, optional fingerprint preparation, local logging, MQTT, local API foundation and OTA.

14% complete

V1: Document available DHL parcel box retrofit components
OpenParcelBox/specs#13 · opened on May 13, 2026 · M1: DHL Retrofit Beta
V1: Evaluate DHL parcel box lock retrofit strategies
OpenParcelBox/specs#14 · opened on May 13, 2026 · M1: DHL Retrofit Beta
1
V1: Design access module placement and cable routing
OpenParcelBox/specs#15 · opened on May 13, 2026 · M1: DHL Retrofit Beta
V1: Define standalone ESP firmware user and code model
OpenParcelBox/specs#16 · opened on May 13, 2026 · M1: DHL Retrofit Beta
1
V1: Estimate standalone solar power budget
OpenParcelBox/specs#17 · opened on May 13, 2026 · M1: DHL Retrofit Beta
Document Wiegand ACCESS-Port profile for firmware design
OpenParcelBox/specs#11 · opened on May 13, 2026 · M1: DHL Retrofit Beta
1
M1 Beta: Implement local ESP web management concept
OpenParcelBox/specs#18 · opened on May 13, 2026 · M1: DHL Retrofit Beta
1
M1 Beta: Define MQTT events and local API foundation
OpenParcelBox/specs#19 · opened on May 13, 2026 · M1: DHL Retrofit Beta
M1 Beta: Prepare NFC and fingerprint identity support
OpenParcelBox/specs#20 · opened on May 13, 2026 · M1: DHL Retrofit Beta
M1 Beta: Define OTA update path for standalone ESP controller
OpenParcelBox/specs#21 · opened on May 13, 2026 · M1: DHL Retrofit Beta
M1 Beta: Decide ESP firmware platform
OpenParcelBox/specs#22 · opened on May 13, 2026 · M1: DHL Retrofit Beta
2
M1: Define lock driver and power transient measurement protocol
OpenParcelBox/specs#25 · opened on May 24, 2026 · M1: DHL Retrofit Beta