Digital frequency meter circuit diagram based on single chip microcomputer

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The circuit diagram of the digital frequency meter based on single-chip microcomputer is shown in the figure below. The frequency range is 1Hz-5MHz. The 7-digit digital tube is used to measure the result first. If the high-frequency frequency divider is added to the input terminal, the range can be extended.

WiFi 5 Outdoor Wireless AP

WiFi 5 Outdoor Wireless AP is a wireless access point for outdoor environments. It is a device based on the IEEE 802.11ac standard, also known as WiFi 5. The device has a number of features and advantages that make it ideal for wireless networking in outdoor environments.

First, the WiFi 5 Outdoor Wireless AP has strong wireless signal coverage. It can provide longer transmission distances and wider coverage, enabling users to obtain a more stable and reliable wireless connection in outdoor environments. This is important for large outdoor Spaces such as campuses, parks, stadiums and city squares.

Second, WiFi 5 Outdoor Wireless AP has high wireless transmission speed. It supports multiple radio bands and multiple MIMO (multiple input multiple output) antenna technologies, which can provide higher data transfer rates. This means that users can enjoy wireless networking experiences such as faster web browsing, file downloads and video streaming in an outdoor environment.

In addition, the WiFi 5 Outdoor Wireless AP offers excellent network capacity and performance. It supports more simultaneous connected devices and can meet the needs of a large number of users to access the wireless network at the same time. This is important for busy outdoor venues such as music festivals, exhibitions and sporting events. In addition, it also supports QoS (Quality of Service) functions, which can prioritize applications and devices that require high network performance, providing a better user experience.

WiFi 5 Outdoor Wireless AP also has strong anti-interference capability. It uses advanced wireless technology and channel selection algorithms to automatically detect and avoid interference with other wireless devices. This makes it perform well in high-density wireless environments, such as city centers or business districts.

In addition, WiFi 5 Outdoor Wireless AP has good security. It supports security protocols such as WPA2-PSK (Wi-Fi Protected Access 2 Pre-Shared Key) and WPA3 (Wi-Fi Protected Access 3), which protect wireless networks from unauthorized access and data breaches. In addition, it supports features such as virtual private networks (VPNS) and firewalls to further enhance the security of the network.

The WiFi 5 Outdoor Wireless AP also has the advantage of being easy to install and manage. It usually has a user-friendly Web interface that makes it easy to set up and configure wireless networks. In addition, it supports a centralized management system that can manage and monitor multiple wireless access points from a central console, greatly simplifying network management.

Finally, WiFi 5 Outdoor Wireless aps typically have a durable design and protection against harsh outdoor environments. It is usually waterproof, dust-proof and earthquake-resistant, and can operate stably in various weather conditions. This makes it ideal for long-term use in outdoor places.

In summary, the WiFi 5 Outdoor Wireless AP is a device that provides stable, high-speed and secure wireless connectivity in outdoor environments. It has the characteristics and advantages of strong wireless signal coverage, high-speed wireless transmission speed, excellent network capacity and performance, strong anti-interference ability, good security, easy installation and management, and durable design and protection performance. This makes it ideal for deploying wireless networks in outdoor locations.

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