FR2G

Hardware platform: stm32F407Zet6 Software platform: stm32cubeMX 4.7+MDK5.14 Circuit connection: PE8-LED0, PE9-LED1, PE10-LED2, PE11-LED3 Step 1: Create a project using stm32cubeMX 1. Start the soft...[Details]

      Without going to the hospital, you can get your body data anytime and anywhere, get real-time heart rate, blood oxygen saturation, and blood pressure in a more convenient way, link your mobile ...[Details]

Used to measure DC resistance. The figure shows the principle wiring for measuring high resistance (above megaohms), low resistance (below 10 ohms), and medium resistance (10 ohms to megaohms). In th...[Details]

With the development of radio and television, the application of TV transmitter technology is becoming more and more extensive. In order to effectively ensure the quality of TV signals, the importa...[Details]

The I2C bus is composed of a serial data line SDA and a serial clock line SCL, which can send and receive data. It allows several compatible devices to share the bus. All devices and interface circui...[Details]

The operating environment of mains-powered electrical equipment is divided into four overvoltage categories (OVC) according to the level of surge protection. This article will explain the differences...[Details]

  Lead-acid batteries have always been the main power supply for high-power outdoor speakers. Lead-acid batteries have high voltage and high output current, and can directly supply audio amplifiers w...[Details]

　　We know that EIA-RS-232C uses positive and negative voltages to represent the logic state, and the microcontroller serial port uses positive logic TTL level, so the microcontroller and PC's COM1 or...[Details]

Motionchip is a special motion control chip with excellent performance, easy expansion and convenient use. Based on this chip, this paper designs an intelligent servo driver that can be used for DC br...[Details]

This morning, Apple updated its three major iWork office suites Pages, Numbers, and Keynote, adapting them to the new features of iOS/iPadOS 14. After the update, all three software have supported iP...[Details]

According to multiple sources, the Samsung Galaxy Note20 series of mobile phones will be officially released on August 5. Unexpectedly, a month in advance, foreign whistleblower Jimmy is promo shar...[Details]

MPPT is a core technology of the inverter, and MPPT voltage is a critical parameter in the design of photovoltaic power stations. 1. What is MPPT? (IV and PV curves of a single ph...[Details]

On the morning of October 23, the groundbreaking ceremony of the Changxing New Energy Battery Production Base Project of Jiewei Power was held in Changxing Economic and Technological Development Zo...[Details]

Since the beginning of this year, the pace of promoting the market-oriented reform of the power industry has been steadily advancing. Recently, in order to further fully liberalize the power genera...[Details]

Detecting far-field objects (such as vehicles 100 meters away) is fundamental to the safe operation of autonomous driving systems on highways. In such high-speed environments, every second cou...[Details]