Optical (Infrared) Motor Shaft Encoder
The encoder kit consists of two 8-pole magnets with rubber hubs and two hall-effect sensors terminated with 150mm (6 inch) cable and 3 pin female servo headers.
The magnets have 4 north poles and 4 south poles and are strong enough that the sensor can detect the poles from more than 3mm (1/8inch). This means that the sensors do not need to be precisely mounted to detect the poles. The rubber hubs will press fit over most small motor and drive shafts used in low power gearboxes. A small screw may also be used to attach the magnets in some cases.
The hall-effect sensors will work on voltages from 3V to 24V and include reverse polarity protection. It can work with any Arduino compatible controller and use the processors internal pullup resistors eliminating the need for any external components or wiring.
- Supply voltage: 3V-24V
- Supply current: 4mA per sensor
- Output voltage: 26V maximum
- Output current: 25mA continuous
- Output type: Open drain
- White wire: Output
- Red wire: +3V to 24V
- Black wire: Ground (0V)
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