[i=s]This post was last edited by bqgup on 2021-4-1 22:20[/i] ## HC05 Bluetooth module debugging document with buttons##1. Hardware tool introduction###1. HC05 Bluetooth module ###2. USB to TTL module...
This content is provided by EEWORLD Forum1. UnboxingI am honored to participate in the evaluation of the Infineon Position2Go radar kit. After a week of waiting, the board was finally delivered to me ...
The operational amplifier in the figure is powered by a single power supply, with a resistor of 10K and a capacitor of 10nF. When R1C1=R2C2=R3C3, the frequency generated by the circuit is 1/2*Pi*R*C=1...
I am going to drive the RD117 module, which uses I2C for communication. I originally planned to use firmware I2C, but the development board has directly connected I2C to AT24C02, which is not convenie...
Qorvo today announced that it has achieved MFi certification of its Ultra Wideband solution for interoperability with the Apple U1 chip used in supported iPhone and Apple Watch models.* The Qorvo Ultr...
In the early 20th century, nighttime driving was extremely dangerous. Drivers were illuminated by kerosene lamps, using hand signals and shouting to tell others what maneuvers to perform, while guessi...
Timer TIM3 generates four PWM wave outputs. First, let me introduce PWM, which is a very effective technology for controlling analog circuits using the digital output of a microprocessor. To put it s...[Details]
On October 18, "Xuzhou Release" announced that the Xuzhou Municipal Party Committee and Municipal Government sent a congratulatory letter to Xuzhou Xinjing Semiconductor Technology Co., Ltd. on the 1...[Details]
introduction
Wireless sensor network is a network composed of a large number of sensor nodes deployed in a monitoring area in a regular or random manner, and self-organized through wireless comm...[Details]
Huawei EMUI officially announced that the Ark Compiler is ready for open source, "Show you the code on August 31!" On April 11 this year, Huawei Consumer Business CEO Yu Chengdong announced that Hu...[Details]
Code: /* C language example 24 Question: There is a sequence of fractions: 2/1, 3/2, 5/3, 8/5, 13/8, 21/13... Find the sum of the first 20 items of this sequence. Program analysis: Please grasp the...[Details]
At present, the methods of directly obtaining a small-capacity low-voltage power supply from 220 V mains electricity mainly include: using resistors and voltage regulator diodes to form a simple v...[Details]
On the evening of June 2, Huawei officially released HarmonyOS 2 and a number of new products equipped with HarmonyOS 2. This also means that "mobile phones equipped with HarmonyOS (Hongmeng)" have b...[Details]
The comparator is a device that looks simple but is extremely painful. If you are a student who has just learned analog electronics technology, when you use it for the first time, you will not only b...[Details]
1. This design uses a single-chip microcomputer as the core for control. The single-chip microcomputer has the unique advantages of high integration, good versatility, strong functions, especially sm...[Details]
In modern daily life, the existence of various home appliances provides people with a variety of conveniences. At the same time, with the improvement of people's quality of life, the improvement of e...[Details]
This circuit is mainly composed of 6 light-emitting diodes, 2 integrated circuits and some resistors. It can display the voltage value of the battery of a car, motorcycle or electric bicycle according...[Details]
In recent years, smart wearable devices have been widely used in the fields of medical, military, aerospace, etc. With the continuous advancement of smart textile technology, wearable devices have ...[Details]
On the morning of November 22, the CEO of Tile, a manufacturer of Bluetooth anti-loss devices, recently said that despite the "unfair competition" brought by Apple's AirTags, their revenue is s...[Details]
Recently, Guo Bing, a distinguished associate professor at Zhejiang Sci-Tech University, sued Hangzhou Wildlife World in court for refusing to use the facial recognition system to upgrade his annual ...[Details]
Up to now, more than 180 models have been tested based on the CC-1000T intelligent cockpit evaluation system of Cheyun Research, of which more than 79% have the ability to upgrade via OTA, and more...[Details]
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