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Hello~ Hello everyone~ The weekly evaluation information is here~~ In the past week, several new activities were launched~ and several activities just ended and the shortlist was announced~ Come and t...
[p=28, null, left][color=#666666][font=Helvetica, "][size=14px] As for the commonly used connection methods of segment code LCD screens, we all know them. Generally, customers have already determined ...
From: https://www.hackster.io/palsayantan/neo ... ock-5bd11cEspRing comes with 2-bit ws2812b RGB LEDs and it has an ESP12E module built in to control the LEDs. So you get a neopixel ring with an onboa...
Use USB HID to simulate the mouse action. Use GPIO0 (BOOT pin of the board) as a button to simulate the left mouse button when pressed.# 在这里写上你的代码 :-)
from math import sin, cos, pi
import usb_hid
from...
1. A delay circuit is needed to allow a short delay before output after the strong power is connected.
There is an external 5V power supply, and there are strong power input and output lines. When str...
At present, stm32 is very popular, so this article discusses the low power mode of stm32. Let's go to the manual first! This is an English document that is not easy to understand, right? Let's look...[Details]
As we all know, when electronic measuring instruments are used for measurement, they will age and be affected by the natural environment, such as dust and temperature. Sometimes the instruments will...[Details]
Preface
At present, in most remote measurement and control systems, the hardware of the system uses 8/16-bit single-chip microcomputers, and the software is mostly programmed in assembly langu...[Details]
Clarify the purpose of detection and select the instrument category
In short, the detection of harmful gases has two purposes, the first is explosion detection, and the second is poison detection....[Details]
1. Why do bulk current injection (BCI)?
The wiring harness of automotive products may be interfered by external factors or wiring harnesses of other automotive products during routing or drivi...[Details]
Rogowski coil is a hollow ring-shaped coil that can be directly placed on the conductor being measured. The AC current flowing through the conductor will generate an alternating magnetic field around...[Details]
Engine test items and common equipment
Engine testing involves many items, such as torque (force), speed, pressure, temperature, flow, flow velocity, noise, position and displacement, etc., an...[Details]
The most troublesome problem when using PIC microcontroller to design industrial control circuits is that PIC microcontroller often has hardware deadlock after being disturbed. Most people attribute ...[Details]
With the development of computer, communication, sensor and other technologies, smart cars have become the trend of automobile development. Sensor technology is increasingly widely used in smart c...[Details]
There are many programs on the Internet that implement DHT11, but most of them are about 89c52. There are very few about stc12c5a60s2. I am a novice. When I was writing about stc12 serial port receiv...[Details]
According to foreign media reports, researchers at the National Institute of Standards and Technology (NIST) and their colleagues have developed an optical switch that can transmit light from one com...[Details]
introduction
With the increasing abundance of various electrical appliances and instrumentation equipment, higher requirements are placed on the flexibility of power supply applications. Desig...[Details]
In order to study the feasibility and rationality of the design of AFPM motor for range extender, this paper compares and analyzes the electromagnetic performance of AFPM and RFPM synchronous motor...[Details]
Highly integrated biosensor chip combines ECG monitoring and neural sensing signal input channels with motion tracking and embedded AI core
The new products were presented at the Elect...[Details]