The SparkFun Ultrasonic Distance Sensor - TCT40 (sen-24805) a user-friendly upgrade to the popular HC-SR04 sensor, offers non-contact distance measurement from 2cm to 400cm with an accuracy of 3mm.

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Abstract: This paper provides details about the design and operation of a Collision Avoidance System in smart cars, with the Arduino board as the central control unit, interfaced with an ultrasonic ...

How fast does your heart beat? It’s a tough question to answer, because our heart rate changes all the time depending on what we’re doing and how our body is behaving. However, [Ludwin] noted that ...

Abstract: Sensors are vital tools in monitoring operating conditions and collecting data in scientific studies and engineering works. However powering sensors for a long term in harsh environments ...

1.前言：这是自己的第一篇博客，关于超声波测距的程序自己之前写过一个。今天再写的时候忙活了一天但一直卡在了一个奇怪的地方，后来发现是自己手里这个德飞莱STM32F103ZET6的大板上的5V引脚根本无法输出5V（测试后发现5V引脚的电压只有2.8V），我手里这个HY ...

8月19日，敏芯股份发布半年报称，2021年上半年，公司实现营业收入为1.86亿元，同比增长40.17%；归属于上市公司股东的净利润 ...