An encoder is used to measure rotational speed of motors or wheels.
For light based encoders a series of markings or holes are made around the rotating disk that are used to break a light beam or change reflectivity that is detected using an infrared sensor.
Magnetic based encoders use a disk with alternating magnetic orientation as markings around it that are read by a Hall effect sensors.
As the wheel rotates these markings or magnetic changes can be counted and computed against time to determine the rotational speed.
Encoders can be supplied fixed to motors or as separate items for adding to anything that rotates.
Code: MEC-30147
This 2.62" × 1.45" × 1.45" gearmotor is a powerful 12V motor with a 131.25:1 metal gearbox and an integrated quadrature encoder that provides a resolution of 64 counts per revolution of the motor shaft, which corresponds to 8400 counts per revolution of the gearbox’s output shaft. These units hav... More Details...
Code: MEC-30070
This 2.54" × 1.45" × 1.45" gearmotor is a powerful 12V motor with a 19:1 metal gearbox and an integrated quadrature encoder that provides a resolution of 64 counts per revolution of the motor shaft, which corresponds to 1216 counts per revolution of the gearbox’s output shaft. These units have a ... More Details...
Code: MEC-30151
This gearmotor uses a motor with extra-strong magnets and a 34:1 metal gearbox to deliver a lot of power in a relatively small package. It has an integrated 48 CPR quadrature encoder, which provides 1633 counts per revolution of the gearbox’s output shaft. These units have a 4 mm-diameter D-shape... More Details...
Code: MEC-30071
This 2.62" × 1.45" × 1.45" gearmotor is a powerful 12V motor with a 50:1 metal gearbox and an integrated quadrature encoder that provides a resolution of 64 counts per revolution of the motor shaft, which corresponds to 3200 counts per revolution of the gearbox’s output shaft. These units have a ... More Details...
Code: MEC-30152
This gearmotor uses a motor with extra-strong magnets and a 75:1 metal gearbox to deliver a lot of power in a relatively small package. It has an integrated 48 CPR quadrature encoder, which provides 3592 counts per revolution of the gearbox’s output shaft. These units have a 4 mm-diameter D-shape... More Details...
Code: SEN-10056
The simple encoder kit from DAGU consists of two neodymium 8-pole magnets with rubber hubs and two hall-effect sensors terminated with 150mm (6inch) cable and 3 pin female servo headers. More Details...
Code: SKU-003902
Add quadrature encoders to your 20D mm metal gearmotors (extended back shaft version required) with this kit that uses a magnetic disc and Hall effect sensors to provide 20 counts per revolution of the motor shaft. More Details...
Code: SKU-003509
Add quadrature encoders to your micro metal gearmotors (extended back shaft version required) with this kit that uses a magnetic disc and hall effect sensors to provide 12 counts per revolution of the motor shaft. More Details...
Code: MEC-30074
This 2.62" × 1.45" × 1.45" gearmotor is a powerful 12V motor with a 100:1 metal gearbox and an integrated quadrature encoder that provides a resolution of 64 counts per revolution of the motor shaft, which corresponds to 6400 counts per revolution of the gearbox’s output shaft. These units have a... More Details...
Code: MEC-30174
This 2.54" × 1.45" × 1.45" gearmotor is a powerful 12V motor with a 29:1 metal gearbox and an integrated quadrature encoder that provides a resolution of 64 counts per revolution of the motor shaft, which corresponds to 1856 counts per revolution of the gearbox’s output shaft. These units have a ... More Details...
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