Dear forum friends, in the DCDC part of the above picture or the usual four-layer board, the middle layer of gray-yellow will be paved with copper to form a complete ground, but there is basically no ...
Question to everyone: Isn't esp32 a dual-mode wifi and BLE device?
Why doesn't micropython include functions for BLE? Isn't ESP32 just a slightly more powerful 8266?[b]Additional content (2020-3-22 17...
Hi, everyone~ Today I saw someone post a color PCB in the group chat, as shown below:Some netizens in the forum have shared the methods of importing pictures into PCB before, but those methods seem to...
What is a program? A program is a process. Many people don't know where to start when facing the protocol stack. Then they don't know how to fix the problem. When they raise questions, others explain ...
I encountered some problems when testing HID. I found a very good article on the official website. I forwarded it to you so that you can learn together.For USB devices, one of them is HID devices, nam...
According to news on June 16, Micron Technology announced today that it plans to invest more than 4.3 billion yuan in its packaging and testing factory in Xi'an, China, in the next few years. The a...[Details]
According to foreign media reports, Eggtronic, a leader in power electronics technology, announced the launch of its patented hybrid wireless AC power technology E2WATT, which can be used as a transm...[Details]
At present, there are two main methods for realizing synchronous sampling. One is to use multiple sample-and-hold devices, multi-channel analog switches and single-chip single-channel successive a...[Details]
In recent years, my country's photovoltaic industry has expanded rapidly. According to preliminary statistics, the total installed capacity of domestic photovoltaic power generation in 2015 was abo...[Details]
To drive more than one high-brightness white LED, designers need to choose whether to connect the LEDs in series or in parallel.
Parallel connection only requires a lower voltage across each ...[Details]
The relationship between the MSP430 clock cycle (oscillation cycle), machine cycle, and instruction cycle
The clock cycle is also called the oscillation cycle: it is defined as the reciprocal of t...[Details]
EPS emergency power supply is a high-tech environmentally friendly product produced by applying inverter technology, CPU control, digital circuits, and highly integrated electronic components ....[Details]
1. Forward voltage decreases, dim light
A: One is that the electrode and the light-emitting material are in ohmic contact, but the contact resistance is large, which is mainly caused by low co...[Details]
The memory in the 51 microcontroller can be divided into program memory and data memory from a functional perspective. Generally speaking, the storage space of microcontroller memory can be expande...[Details]
1. Production situation
From January to August 2021, among the main products of the national battery manufacturing industry, the output of lithium-ion batteries was 14.6 billion units, a y...[Details]
0 Introduction
Temperature is a very important parameter in industrial production and scientific research experiments. Many physical phenomena and chemical properties of objects are related to t...[Details]
In non-standard industrial automation systems, it is often necessary to collect PLC data to the PC-side upper software. Direct collection of PLC data requires a lot of software development and debu...[Details]
The Controller Area Network (CAN) protocol is a specification designed in the mid-1980s for the automotive industry to reduce the complexity (weight, quantity and cost) of wiring for data transmiss...[Details]
The voltage measurement method is to measure the voltage of each part of the electrical or electronic circuit being tested and compare it with the normal value to find out the location of the fault...[Details]
Note: The mouse driver described in this article can only realize the button-like functions of the left and right mouse buttons and the scroll wheel. Pressing the left button will type "l", the rig...[Details]