I used the example program of Zhengdian Atom W5500 UDP, modified it to my own hardware configuration, and ran it to the picture above.
Does anybody know what's going on?...
Please tell me what does it mean to subscribe to OBJECT resources in the China Mobile IoT ONENET platform?
1. Who subscribes to whom? (1) Does the MCU subscribe to the resources in the NBIOT module? (...
1. Requirements:
1. Produce a complete circuit board with reasonable layout and wiring, and uniform and reliable solder joints.
2. The circuit board can download the program, that is, the microcontrol...
[i=s]This post was last edited by nich20xx on 2020-6-9 07:17[/i]1 Introduction
The Basic Mode of SensorTile.box allows users to experience the SensorTile.box without any programming. After unboxing th...
The figure shows
the circuit
diagram
of
a 2.75 W constant voltage/constant current (CV/CC) universal input
charger
power supply
, which uses the LinkSwitch product LNK613DG from ...[Details]
Digital oscilloscopes are high-performance oscilloscopes manufactured by a series of technologies such as data acquisition, A/D conversion, and software programming. Digital oscilloscopes generally s...[Details]
At 17:20 on August 20, the grid-connected trial operation of the Phase II energy storage project of Suzhou Integrated Smart Zero-Carbon Power Plant was successfully completed. The project is locate...[Details]
1. Build an embedded cross-platform environment
a. Cross-compilation tool link
b. Host cross-compilation environment configuration
c. Bootloder, Linux kernel, file system construction
2. Si...[Details]
When the GPIO port of STM32 is set to output mode, there are three speeds to choose from: 2MHz, 10MHz and 50MHz. This speed refers to the speed of the I/O port drive circuit, which is used to select d...[Details]
According to foreign media reports, the US Patent & Trademark Office has published two patent updates from Apple, which include a future interactive vehicle head-up display where users can use gestur...[Details]
0 Introduction
With the construction of a large number of modern residential areas in China, people's demand for fire prevention, anti-theft and remote power on and off of household appliances...[Details]
1. Basic knowledge of LED
1. LED lighting principle
LED (Light Emitting Diode) is the abbreviation of light emitting diode. Diodes made of compounds of gallium (Ga), arsenic (AS) and phos...[Details]
MODRR is the module path selection register, which is used as the mapping pins of CAN0/4 and SPI0/1/2. For example, if CAN0 is selected as PM0/1 pin, configure MODRR_MODRR0&1=0. When MODRR_MODRR4=0, ...[Details]
Main program preview: //This file mainly defines the programmable entry function main, which initializes the system, parameters, and hardware interfaces, and then waits to read serial port dat...[Details]
Today, Huawei released the Kirin 990 series at the IFA exhibition, and released the world's first flagship 5G SoC chip, the Kirin 990 5G version. In the subsequent media interview, Huawei Fellow Ai W...[Details]
Self-driving cars are an important technology worldwide. Vehicles that can drive themselves will improve automotive safety by eliminating the main causes of accidents, including driver distraction ...[Details]
According to news on February 5, Narada Power said on the interactive platform on February 4 that in terms of high specific energy and high safety solid-state battery technology, the company has a nu...[Details]
Processor controlled power switch circuit
In applications such as printers, the power supply of the TOPSwitch-GX can be turned on and off using an inexpensive momentary contact switch controlled by...[Details]
stm32/stm8
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