After confirm the circuit, next step are design process. The design process is based on the architecture. Basically the ultrasonic path planning functions like ordinary blind canes. The difference is that the Ultrasonic path planning is equipped with ultrasonic sensor and circuit box can be placed.
There
are a few circuits designed. Firstly the design was tested on the diptrace is
finalized, printed circuit board (PCB) was fabricated. The important element
when designing the PCB is the size of the PCB which is long rather than wide.
It is also to make sure that the design of ultrasonic path planning is small as
possible.
Arduino Uno on PCB with AD622 and 7660s. (top view)
Bottom view
After sizing and remove the serial monitor, AD622 and 7660s.
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