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Product Highlights:
1. Comparator output, clean signal, good waveform, strong driving ability, more than 15mA.
2. Strong Anti-interference Ability: the transmissive optical sensor used consists of an infrared light emitting diode and a phototransistor. This prevents interference from external stray light sources and matches these two components to a specific radiation frequency, thus providing better protection against unwanted interference.
3. Easy to Use: The DO output interface can be connected directly to the IO port of the MCU to detect if the sensor is closed. If a motor code board is used, the motor speed can be detected. The DO module can be connected to a relay to form a limit switch or to an active buzzer module to form an alarm.
4. Easy Installation: 3mm mounting bolt holes for easy installation.
5. Wide Range of Applications: Widely used in motor speed detection, pulse counting, position limiting, etc.
This is a motor speed sensor module, the main purpose is to detect the speed of the motor.
This module can be used with microcontrollers for motor speed detection, pulse counting, position limiting, etc.
In principle, any rate meter simply measures the rate at which certain events occur.
It is common practice to count events in a given time period (integration interval) and then divide the number of events by the time to derive the rate.
Product Specifications:
1. Main Chip: LM393
2. Operating Voltage: 3.3 V to 5 V
3. Output Format: Digital switch output (0 and 1)
4. Output Format: Digital switch output (0 and 1 masked, output high; unmasked, output low)
5. Printed Circuit Board Size: 32 mm × 14 mm / 1.26 in × 0.55 in
6. Mounting Hole Size: 3 mm / 0.12 in.
7. Slot Width: 5 mm / 0.2 in.
Product Interface:
1. VCC: Connects to the positive terminal of the 3.3v-5v power supply.
2. GND: Connects to the negative side of the power supply
3. DO: TTL switch signal output
4. AO: this module does not work, the module has no
Package Includes:
5 x Speed Sensor Modules
$24.96
$ 12 .99 $12.99