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individual assignment
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group assignment
here is the link to the group assignment page Group Assignment week 11
Reflection
This week was about understanding the fundamentals of communication between electronic devices. I learned a lot about serial networking. It is an important way to connect to a device to be able to send instructions and to connect it to another electronic system as a trigger/input to start the actions encoded on the receiving device.
I helped in the group work by reading the Barduino & the ESP-32-WROOM-1 datasheet to understand the pinouts. The ESP32 has built in networking pins called RX & TX. They are usually connected in a crossed fashion with 2 other connections to ground & power. This is the UART protocol. It helps connect to the Arduino IDE interface & to other devices with UART. It was important that I learned how to navigate technical documents for necessary information.
RX-TX work in pairs by cross connecting to another RX-TX. One works as a voice while the other works as a ear. I saw conceptualising the communication logically was useful. The serial communication creates a bunch of highs & lows that can be understood through the binary & ASCII encoding system.
Using WOKWI to visualise the connections was valuable to test the communication flow. The logic analyser helped to see the physical messages that are being transmitted.
Overall I enjoyed understanding the network GPIOs & translating ascii messages. debugging is important. Adding a boot & reset button is also important to switch between an existing coded sequence or to add a new code. I feel like I got stronger in a very valuable & important part of PCB design & microcontroller design & use.
notes
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