Design
Circuit Design
EMG Signal acquisition circuit and PCB Design Download – PCB Design The circuit soldered onto a Vector Board. The PCB design was done through KiCAD, with the 3D simulated image shown below. The actual PCB that came from PCB milling machine (front and back images) are shown below. After the PCB came out, rubbing …
Mechanics
Parts: Boston Gear PLB3060SF09-5/16 Timing Pulley, 3 mm Pitch, 60 Grooves, 9mm Wide Belts, 0.313″ Bore Diameter, 2.226″ Outside Diameter, 0.813″ Overall Length, Lexan with Aluminum Insert, Single Flange -Fiberglass-reinforced polycarbonate resin thermoplastic for light weight and low noise -Stock bore with 0.313″ diameter does not require use of a bushing Link to Amazon product …
User Interface
The user interface consists of an OLED display located on the forearm part of the brace. This will be used to display battery level, feedback messages, and warnings. If we can, we will place a couple of buttons to select options in the OLED display. Otherwise, the joystick will be used to make said selections. …
Power Management
We purchased a 14.8V – 5AH lithium polymer battery and charger to use with the 320Kg*cm servo. The battery is shown below. The charger is shown below. In order to produce the maximum torque allowed on the servo, we purchased a 600W boost converter. The converter is shown below. This converter allows us to convert …
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