In the picture, the LED is 0.5W/2V, 12 LEDs are connected to 24V, the resistance = 2V*6/250mA*2=24R, right? Then the power of the resistor is 2V*6*250mA*2=6W?
Because the chip resistors used are not s...
In the evolving automotive and industrial power conversion markets, designers are looking for innovations that can help them address two key design challenges: How can real-time control resources be e...
[align=left][color=rgb(85, 85, 85)][font="][size=4]The bootloader (BSL) is an application built into the MSP low-power microcontrollers (MCUs). It allows the user to communicate with the MCU to read d...
In the official blog, element14 introduced a project to build a prank HID device using Pico and CircuitPython.The main idea is to use PICO to emulate the keyboard and mouse sending random keys.[hide]h...
OFweek Cup 2022 China
Robot
Industry Annual Awards (abbreviated as OFweek Robot Awards 2022) is jointly organized by OFweek, China's high-tech industry portal, and its authoritative robo...[Details]
The key detection method handles the comparison of different events. All keys are taken as an example with RC4 of PIC16F505 as input port.
Method 1:
Void scan()
{
if(RC4==0)
{
Delay(50); ...[Details]
Honda recently announced that it has successfully developed the world's first "Collision Mitigation Brake System" (CMS). When the system detects the risk of a rear-end collision, it can prompt ...[Details]
0 Introduction
Modern communication equipment, electronic products, electric vehicles, UPS, etc. generally use batteries as power sources. However, most charging devices have single functions, poor ...[Details]
1. Introduction
Communication power supply is a key basic equipment of communication network. The phase-controlled rectifier power supply used in the early stage of communication network developmen...[Details]
Spectrophotometer is an instrument that uses the selective absorption of light by a substance to perform qualitative or quantitative analysis of a substance. It has been widely used in various indu...[Details]
According to Reuters, on Tuesday local time, U.S. Commerce Secretary Wilbur Ross said during his visit to Brazil that the Trump administration may respond to U.S. technology companies' export license...[Details]
The input circuit of the switching power supply mostly adopts a rectifier plus capacitor filter circuit. At the moment of closing the input circuit, a large instantaneous impact current will be formed...[Details]
New energy storage is an important technology and basic equipment supporting the new power system, and plays an important role in promoting high-quality energy development, promoting energy structure ...[Details]
Since the price war began in the auto market at the beginning of this year, the intelligent driving industry has begun to shift from the pursuit of high performance to the pursuit of high cost perfor...[Details]
Cars powered by hydrogen fuel cells basically only emit water vapor and are sustainable. However, this requires the use of catalysts made of precious metals such as platinum, which have low reserves...[Details]
On October 21, a research team led by Ha Yoon-cheol, director of the Next-generation Battery Research Center of the Korea Electric Research Institute (KERI), announced a breakthrough in battery tec...[Details]