Binding - HackMD

New POS === POS --- - [Binding](https://hackmd.io/@tk3c-mpos/B16lfjsAu) - [Tablet design](https://hackmd.io/0huGF39BS-usGz5M2X_elA) - [dock design](https://hackmd.io/U7oEybHPT0uXZPZff4tSCA) - Service - [Dock service status tracking in the tablet](https://hackmd.io/0huGF39BS-usGz5M2X_elA#Dock-service-status-tracking) - Dock service - [EDC](https://hackmd.io/@tk3c-mpos/BkRMT4_hO) - [錢櫃](https://hackmd.io/@tk3c-mpos/rkfCyA2eF) - BarcodeReader - Printer - Process - [Purchase](https://hackmd.io/@tk3c-mpos/rJtsH5OxK) - [客顯](https://hackmd.io/FW55t4XHRcWKin58IzT93g?view) MQTT --- - [MQTT message topic](https://hackmd.io/P7FuhzegRvObKvrjEG0m_Q)