The upcoming Circuit Playground Bluefruit is an upgraded version of the Circuit Playground Express. It uses the nRF52840 microcontroller and supports Bluetooth BLE function.Product Specifications1 x n...
[i=s]This post was last edited by Jacktang on 2019-5-19 00:01[/i] [color=#555555][font="][size=4]Provides key runtime software components and documentation to further simplify development. The followi...
Some people may be confused by a bunch of theoretical knowledge when using an oscilloscope for the first time, and thus lose interest in learning. If we can first learn how to measure a simple signal,...
[i=s]This post was last edited by jinglixixi on 2022-5-30 00:17[/i]GD32F310 is equipped with standard and advanced communication interfaces including 2 USARTs, which can be used for debugging output a...
Recently, State Grid Energy Research Institute Co., Ltd. publicly released a number of annual research results. Among them, "Global Energy Analysis and Outlook 2019" analyzed the new trends in glob...[Details]
If ARM is compiled with ADS, it uses the FD full-reduction stack method. By the way, in the full-reduction FD method, the stack is pushed by moving SP first and then storing data; the stack is popped ...[Details]
1. Current intensity and current density
There are a large number of charged particles that can move freely in the conductor. The directional movement of charged particles forms an electric cu...[Details]
Semiconductor silicon wafers are one of the links where the gap between my country's semiconductor industry chain and the international advanced level is the largest. In addition, the supply concentr...[Details]
Knowledge of resistance, capacitance and inductance and how to choose an LCR bridge
Passive components such as resistors, capacitors, and inductors are the most commonly used compon...[Details]
1. What is standing wave ratio? Standing wave ratio, the full name is voltage standing wave ratio, also known as VSWR and SWR. It refers to the ratio of the antinode voltage and the trough voltage am...[Details]
Beam load cells are widely used in hand scales, platform scales and other weighing instruments. How to measure the quality of beam load cells? First, measure the resistance value of the sensor ...[Details]
On May 15, information about two new OPPO phones appeared on the website of the China Quality Certification Center. At present, we don’t know which two new phones they are, but the information shows ...[Details]
According to Fast Technology, on February 15, the Japanese government provided 2,000 iPhones free of charge to the Diamond Princess docked off the coast of Yokohama so that they could obtain informat...[Details]
As high-end intelligent driving enters a critical time of popularization with the price of models “sinking”, the change of sensor configuration scheme is also at a new turning point. In particular,...[Details]
The centralized energy grid is a network of energy produced by generators, high-voltage transmission lines, and low-voltage transmission lines that transmit electricity over long distances to power t...[Details]
19264 LCD is a monochrome LCD that is slightly larger than 12864. Here I will introduce the principle of driving it with a single-chip microcomputer.
Circuit Diagram
Simulation diagram
Actu...[Details]
Introduction Embedded systems are professional computer systems that focus on practical applications and have strict requirements on functionality, reliability, cost, volume, and power consumption. W...[Details]
I built the first STM8 project according to the tutorial (Qingfeng Electronics) and the following error occurred. Appear: Fatal Error : cannot open source file "stm8s_gpio.h" D:stm8testdriverled.h ...[Details]
Laparoscopic surgery is a type of surgical procedure in which a long-handled instrument is inserted through a small incision into the patient's body to be operated on. Compared with traditional ope...[Details]