1 Introduction The purpose of this article is to provide an introductory technical overview of LoRa® and LoRaWAN™. Low Power Wide Area Networks (LPWAN) are expected to support a major part of the predicted billions of IoT devices. LoRaWAN™ is designed from the ground up, optimized for battery life, capacity, distance, and cost. An overview … Read more
The RF24L01+ operates in the 2.4~2.5GHz frequency band, features automatic retransmission, has 6 data transmission channels, and a maximum wireless transmission rate of 2Mbits. The MCU can access the chip’s registers for configuration via the SPI interface, enabling control of the module and the realization of wireless communication through this module. For specific details, refer … Read more
Bluetooth is a short-range wireless communication technology based on the 2.4GHz ISM band, characterized by low power consumption, low cost, and convenience. It is widely used in smartphones, computers, wireless remote controls, and other scenarios, making it one of the mainstream technologies for wireless communication. Since the release of the first Bluetooth version by the … Read more
Currently, there are numerous articles introducing Bluetooth chips in the market, but most of them are quite similar. What kind of performance do Bluetooth chips really have? Which manufacturers are better compared to others? For different needs, which chip can meet the requirements to the greatest extent? What are the hidden complexities? Today, let’s interpret … Read more
Bluetooth States and Basic Connection Process 0.1 Bluetooth States: Bluetooth has 5 states: Standby State: No devices are connected, and no data is being transmitted or sent. Advertising State: Periodic advertising state. Scanning State: Actively searching for broadcasting devices. Initiator State: Actively initiating a connection. Connected State: Already connected. 0.2 Bluetooth Connection Process Figure 1 … Read more
This article is sourced from: San Huo Communication NB-IoT, a term many are familiar with, but what can it actually do? You might have some doubts. Today, let’s look at a few examples of NB-IoT applications in real life. Application of NB-IoT in Animal Husbandry Animal husbandry mainly consists of intensive and extensive farming, with … Read more
If you still don’t understand NB-IoT after reading this article, come over and strangle me… 1 1G-2G-3G-4G-5G No explanation, just look at the picture. Where is NB-IoT? 2 NB-IoT Standardization Journey The standardization of 3GPP NB-IoT began in September 2015, and the R13 NB-IoT standard was completed in July 2016. 3 NB-IoT Design Goals and … Read more
When numerous products move quickly on the conveyor belt, and many workers are busy on the production line, how can you, as a manager, efficiently manage this busy production line? 1. What is a Smart Production Line Management System? The survival and development of enterprises depend on production. Therefore, how to efficiently manage the production … Read more
Author | Sensor Technology Today, communication technology is developing rapidly. With the swift growth of the Internet and the increasing demand for data communication, the global communication industry is witnessing three major trends: wireless, broadband, and IP-based technology. The development of Internet services has driven the market’s demand for broadband networks, leading to a strong … Read more
In the field of smart hardware and the Internet of Things, the well-known ZigBee is indeed widely recognized. Apart from WiFi and Bluetooth, ZigBee is currently one of the most important wireless communication protocols, primarily applied in the fields of IoT and smart hardware. The following text introduces various aspects of ZigBee in a Q&A … Read more