General Update
This week, Josh, Alex, and Jubi produced a design report detailing the use-cases, requirements, trade-off-analyses, implementation details and more.
…More details TBD by 10/19
Risks and risk mitigation
One potential risk is identified in the sensor amplifier circuit. Our goal is to amplify the sensor output to enhance our systems force-reading precision by providing a larger voltage range for the sensor output. Failure to obtain fine-grain readings may result in innacurate readings, which may fire alarms unecessarily or fail to fire alarms upon force-threshold excession. To mitigate this, we are working to determine the best amplifier circuit model (gain, phase, etc.) to obtain sufficient sensor output ranges with respect to our power constraints.
overall design changes
Instead of the STM32F4E Nucleo Board, we will be utilizing the ESP-WROOM-32 board as our controller because of its size advantages, built-in peripherals (more ADCs, Bluetooth), and ease-of-use via Arduino ESP32 libraries, as compared to bare-metal development on the STM.
schedule
The schedule remains the same as we are on track.