What is an IoT platform?
Alibaba Cloud IoT Platform is an integrated platform that integrates capabilities such as device management, data security communication, and message subscription. It supports...
The program uses a constant array to store Chinese character libraries. When this array is commented out or not, the compiled code size is the same, both 127.67Kb. Is there any setting required?...
[size=3] The SOC of a battery, the full name of which is State of Charge, is also called the remaining capacity. It represents the ratio of the remaining capacity of a battery after it has been used f...
I am a newcomer to your place, please take care of me, thank you!This content is originally created by EEWORLD forum netizen Nie Yongzhong . If you want to reprint or use it for commercial purposes, y...
[i=s]This post was last edited by MianQi on 2021-8-13 10:14[/i]1. Ethernet line Internet accessThere are network settings in the image that comes with the board:When you are online at the same time, y...
Recently, Apple released a number of new products, including the new generation iPad Pro, AirTag, Apple TV 4K, and iMac. Among them, the 12.9-inch iPad Pro not only uses Apple's self-developed M1 pro...[Details]
1. The basic format of PIC microcontroller program First introduce two pseudo instructions: EQU - label assignment pseudo-instruction ORG ——Address definition directive After RESET, the instruction c...[Details]
Apple iPhone 12 and iPhone 12 Pro are available for pre-order, and both models will be officially released on October 23. However, the pre-orders for the two models are so popular that the delivery t...[Details]
When the Finnish college student wrote the Minix clone system, Linux, for study purposes, he probably could not have imagined that it would set off a revolution in the computer world. More than a deca...[Details]
Nowadays, the design of switching power supply is relatively mature, but how to make the design of switching power supply simpler still requires a certain amount of effort. Now, senior netizens...[Details]
1. Experimental purpose: Experiment 4: Using AT89C51 chip to realize four-way traffic lights: (1) Master the method of programming microcontroller control programs using C language. (2) Master the m...[Details]
The circuit of the "Clairvoyant" charger is shown in the figure. Among them, the unidirectional thyristor VS1 is the charging current tube of the battery GB, and VS2 is used to cut off the charging...[Details]
The OnePlus 9 Pro, which will be officially released on March 23, supports 50W wireless charging, which is faster than the 45W rumor reported earlier this year. OnePlus claims that the phone ca...[Details]
1. Basic working principle (1) Use IO port TRIG to trigger ranging and give a high-level signal of at least 10us. (2) The module automatically sends 8 40khz square waves and automatically detects whe...[Details]
According to foreign media reports, people familiar with the matter revealed that Huawei has stockpiled key American chips that can be used for up to two years, including products from companies such...[Details]
1. How to measure DC voltage? A: First, you need to set the coupling mode to DC, adjust the vertical scale to a suitable value based on the approximate range, and then compare the displacement of the...[Details]
Modbus is a serial communication protocol that was published by Modicon (now Schneider Electric) in 1979 for communication with programmable logic controllers (PLCs). Modbus has become the de facto...[Details]
At 3 pm on August 16, when Song Yucheng, Zhang Boyu, and Luo Junsheng, three classmates from the Information Engineering Department of Southeast University, dragged large and small bags full of compe...[Details]
Practical electronic components are a general term for components and devices. 1. Components: Products that are processed by the factory without changing the molecular composition can be called c...[Details]
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