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--- amc:ss2024:bird_feeder:start [2024/07/30 22:45] – [4.6 Rewriting the Display Component code from C++ to ESP-Home yaml syntax.] 31284_students.hsrw
+++ amc:ss2024:bird_feeder:start [2024/07/31 00:09] (current) – [8. References] 31284_students.hsrw
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 ==== 2.2 Xiao Esp32S3 ====
-  * XIAO ESP32S3 is a tiny and cool device that combines the ESP32-S3R8 processor and support for both 2.4 GHz Wi-Fi and Bluetooth 5.0. The other ones have 8 MB PSRAM, 8 MB Flash, and an external SD card slot.
+  * [[https://wiki.seeedstudio.com/xiao_esp32s3_getting_started/|XIAO ESP32S3]] is a tiny and cool device that combines the ESP32-S3R8 processor and support for both 2.4 GHz Wi-Fi and Bluetooth 5.0. The other ones have 8 MB PSRAM, 8 MB Flash, and an external SD card slot.
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-  * It is mainly used to control the e-paper display using the XIAO eInk Expansion Board
+  * It is mainly used to control the e-paper display using the [[https://wiki.seeedstudio.com/XIAO-eInk-Expansion-Board/|XIAO eInk Expansion]] Board
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 ===== 5. Results and Discussion =====
-===== 6. Obstacles =====
+  * The concept has proven to be very much viable with all the requirements fulfilled in a prototype and ready to be moved to the next steps.
-===== 7. Key Learnings =====
+  * Using MQTT for communication between the different devices has proven simple yet efficient.
-===== 8. References =====
+  * The e-ink display was a great choice for this project due to its high visibility in daylight and power efficiency.
+  * To display payer information, the payload of an MQTT message can be used.
+===== 6. Future Steps =====
+  * Build a casing for the display component to keep it protected and portable without any fear of damaging connectors.
+  * Further develop the design of the text/images shown on the e-ink display.
+  * Figure out whether the Kalisto main website can be used to integrate this whole system or not.
+    * If not, further development of the web-application must proceed.
+  * Payment can be handled using [[https://docs.stripe.com/stripe-js/react|Stripe]], a comprehensive suite of tools for handling online financial transactions.
+  * Payer information should be stored in a queue like structure to give a chance for the display to show all donations.
+===== 7. Obstacles =====
+  * It was also a difficult and challenging accomplishment of the particular system architecture to ensure high level expertise with precision.
+    * This can be shown from the different system architecture diagrams [[amc:ss2024:bird_feeder:kalisto:system_arch|here]].
+  * Finds the correct pin configuration for between the XIAO ESP-32 and the e-ink display.
+  * The e-ink display cable broke at some point during the implementation and testing and another display was ordered to continue with the project.
+  * Just before the presentation, as there was another team using a RaPi and the same Nooie Pet Feeder connected on the same network, there was a conflict between both the 2 RaPis. This was solved by changing both the hostname and the port for one of them.
+===== 8. Key Learnings =====
+  * The different communication protocols such as SPI and I2C.
+  * E-ink displays and how they function.
+  * Home Assistant and most of its features.
+  * Automation and triggers
+  * ESPHome and how its yaml syntax works.
+  * MQTT, Brokers, Topics, QoS, etc.
+  * Networking Basics.
+===== 9. References =====
+  * https://wiki.seeedstudio.com/xiao_esp32s3_getting_started/
+  * https://wiki.seeedstudio.com/XIAO-eInk-Expansion-Board/
+  * https://www.home-assistant.io/docs/
+  * https://esphome.io/
+  * https://www.npmjs.com/package/precompiled-mqtt