Add repeat key functionality, and reorganize/optimize code.
Work on presentation.
Hardware
Figure out Presentation organization
Finish up the case
Week 16
Software
Polish up the new input layer code, and start intigrating menus.
Write a complete history system, complete with searching, indexing, and using modern C++.
Start on a project wiki, to document all aspects of the project.
Hardware
Finish button surfaces.
Print out Test.
Start on Presentation.
Week 15
Software
Rewrite input layer to allow for more modular code, and more systems.
Majorly clean up the code and attack some nasty technical debt.
Hardware
Continue to work on case. Completed
Assembly PCB and get it working. Completed
Week 14
Software
Fix more bugs, primarily related to decimals crashing the calculator when used in exponents and when missing trailing zeros.
Research how to intigrate menu code into main Arduino loop() function.
Work on Journal 4.
Hardware
Work on battery case and research buttons textures
Meet and order PCB.
Work on journal
Week 13
Software
Fix a few remaining bugs in Evox, the expression evaluator.
Research CAS (Computer Algebra Systems).
Hardware
Export 3D Model from KiCAD and Import into Fusion
Learn how to design a snap fit case.
Week 12
Software
Meet with advisor.
Work more on core calculator components.
Hardware
Finish Video
Meet with advisor
Week 11
Software
Write a basic outline of a menu system.
Fix a few bugs in the expression evaluator.
Hardware
Begin designing the PCB. Completed
Finish and document PCB.
Week 10
Software
Write super basic expression evaluator that supports the basic mathematical functions in C++. Completed
Build more components for the higher-level calculator interface (e.g. menus, history, etc.).
Work on next journal.
Hardware Goals
Fix code for rotary encoder. Completed
Create Schematic of breadboard design. Completed.
Test Speakers on breadboard. Completed.
Week 9.5
Hardware
Build Prototype on Breadboard and update code accordingly. Completed
Research powering ESP off of Teensy. Completed
Software
Week 9
Hardware
Create Socketed ESP32 TTS prototype on protoboard. Did Not Complete.
Work on mid-year project presentation. Completed.
Software
Begin making the speech chip's protocol conform to the protocol of the Doubletalk LT, a hardware speech synthesizer commonly used by many other blind people.
Work on mid-year presentations.
Week 8
Hardware
Research Cheaper ESP devices. Completed
Get ESP TTS working with serial between Teensy and ESP. Completed
Software
Port the prototype code to use Talkie. Goal changed, now using standalone speech chip.
Assist with firmware of deticated speech chip. Completed
Week 7
Hardware
Have meeting with advisors on Monday. Completed
Help with switch to Flite tts provider on Wednesday
Work on Journal 2 on Friday
Software
Meet with advisors in-person on Monday. Completed
Port the software to use Flite as a text-to-speech provider by the end of Wednesday. Completed
Work on Journal 2 and debug hardware problems by the end of Friday.
Week 6
Hardware
Debug new H1 hardware. Incomplete
Continue modeling buttons. Deferred
Software
Implement different audio stream types for different versions of the hardware.
Debug the software on our new H1 hardware.
Week 5
Hardware
Test speakers by end of Monday. Completed
Finish digitizing sketch of calculator by end of Monday. Completed
Continue PCB Design and get button layout by end of Wednesday. Completed
Polish PCB Design by end of Friday. Completed
Software
Round the tinyexpr result to two decimal places using C++ streams by the end of Monday. Completed
Implement support for multiple pin layouts using #define statements by the end of Monday. Completed
Implement clearing the entire equation with a button press by the end of Wednesday. Completed
Implement deletion by character by the end of Friday. Completed
Week 4
Hardware
Begin planning button layout in google sheets and confirm with Ty by end of Tuesday. Completed
Research closed loop audio jacks and microcontroller configuration by end of Thursday. Completed
Begin KiCAD tutorial and start PCB design by end of Thursday. Completed
Software
Fix loads of driver problems and upgrade development environment. Completed
Convert the character speaking function to use a map of strings to chars. Completed
Implement basic expression evaluation using Tinyexpr. Completed
Week 3
Hardware
Test dedicated audio hardware and ensure stereo output by end of Monday. Completed on Wednesday.
Struggled with getting a clean sine wave out of the I2S DAC through the ESP32
Determined that the issue was a bad ground and made a designated prototype to fix that issue
Set the logging level from "INFO" to "WARNING" which helped releave the issue
