2023-12-18 16:33:09 -
非常不错。好看而且耐用结实。

2023-12-18 16:33:11 -
包装很上档次用料手感都不错,值得够买

2023-12-18 16:33:12 -
包装很棒,一层又一层的,送老爸很合适。

2023-12-18 16:33:14 -
袋子也很好,提个小东西不错!

2023-12-18 16:33:18 -
外观颜值:看起还不错 材质手感:手感很舒服

2023-12-18 16:33:26 -
手感很好,喜欢这款,大小合适

2023-12-18 16:33:28 -
兜子很好看,送人用特别的好

2023-12-18 16:33:31 -
很不错,特别喜欢,皮面很柔软

2023-12-18 16:33:35 -
手袋很高档,和专卖的的一样

2023-12-18 16:33:37 -
不错,很好看,做工也不错!!!

KeeYees JSN-SR04T Integrated Ultrasonic Distance Sensor Module W








KeeYees JSN-SR04T Integrated Ultrasonic Distance Sensor Module Waterproof Ultrasonic Transducer Probe with 2.5M Cable for Arduino

Product Features: 1. Small size, easy to use 2. Low voltage, low power consumption 3. High accuracy 4. Strong anti-jamming 5. Integrated with wire enclosed waterproof probe, suitable for wet, harsh measurement occasions. Application: 1. Horizontal distance measuring 2. Obstacle avoidance, automatic control 3. When the object is close, it can be perceived 4. Traffic control 5. Security, industrial control 6. Artificial intelligence, and research Basic Working Principle: (1) Use IO port TRIG to trigger ranging, giving a minimum of 10us high level signal. (2) The module automatically sends eight 40khz square waves to automatically detect whether there is a signal return. (3) The distance can be calculated by the interval between the launch of the signal and the receipt of the echo signal. Test distance = (high level time speed of sound (340M/S)) /2 Technical Parameters: Working voltage: DC 5V Working current: <8mA Acoustic emission frequency: 40khz Farthest distance: 600cm Nearest distance: 20cm Distance accuracy: ±1cm Resolution: about 1mm Angle: 120 degrees Input trigger signal: 1.TTL pulse over 10uS; 2. Serial port sends instruction 0X55 Output Echo signal: output pulse width level signal, or TTL. Working temperature: -20℃ - +70℃ Module size: 42mm29mm12mm Wire Connection: 1. 5V(positive power supply) 2. Trig (control site) RX 3. Echo (output end) TX 4. GND (negative power supply) Package Included: 1 x Ultrasonic Distance Module 1 x Probe with 2.5M Cable

Product Features

  • The JSN-SR04T ultrasonic distance measuring module provides a measurement range of 20cm-600cm. Blind area is 20cm. Angle: 120 degrees.
  • The module consists of an integrated ultrasonic sensor and control circuit. The usage of mode 1 (R27 = open) is compatible with the HC-SR04 module.
  • Integrated with wire enclosed waterproof probe, suitable for wet, harsh measurement occasions. Please note that the device is waterproof, but it couldn't work underwater.
  • The module has a variety of modes that can be modified manually, suitable for testing and teaching experiments in different occasions.
  • The distance sensor is small in size, convenient to use, stable in performance, and high in measurement accuracy. Widely used for horizontal distance measurement, obstacle avoidance, automatic control, safety, industrial control, etc.

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