* RoHS = Directive 2002/95/EC, Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment
"RoHS compliant" means that the product or part does not contain any of the following substances in excess of the following maximum concentration values
in any homogeneous material, unless the substance is in an application that is exempt under RoHS: (a) 0.1% (by weight) for lead, mercury, hexavalent
chromium, polybrominated biphenyls or polybrominated diphenyl ethers; or (b) 0.01% (by weight) for cadmium. Unless otherwise stated by 3M in writing,
this information represents 3M's knowledge and belief based upon information provided by third party suppliers to 3M.
[i=s]This post was last edited by Gen_X on 2021-5-8 14:44[/i]In the previous FFT test, for the ADC acquisition clock of AT32F421, in order to make the test go smoothly, a 10MHz ADC acquisition clock w...
The RFX2401C focuses on the fast-growing market sectors of ZigBee, wireless audio, smart energy and home automation. The RFX2401C and RFX2402C are the world's first pure CMOS single-chip/single-silico...
This time, we will conduct a power-on experiment on the development board. First, we will burn the Tina system. The Tina system is a system developed by Allwinner for the modified OpenWRT1404 . It is ...
Generally speaking, the emulator is used for debugging and emulation, and the programmer is used to burn the target code to the MCU during mass production.For MSP430, both emulation and burning progra...
The clamp meter is also called a clamp meter for short. The working part of the clamp meter is mainly composed of an electromagnetic ammeter and a through-type current transformer. The core of the ...[Details]
Rectifier circuits are widely used in DC motor speed regulation, DC voltage regulation and other occasions. The three-phase half-controlled rectifier bridge circuit structure is a common rectifier ...[Details]
Recently, China Renaissance Capital downgraded Tesla's stock rating from "buy" to "hold". According to reports, China Renaissance analyst Carson Ng kept TSLA's target share price unchanged at $346. T...[Details]
IT Home reported on April 26 that in January this year, Microsoft stopped supporting the Windows 10 Mobile system, and the development of Lumia hardware had long been stopped. Lumia 650 is the last M...[Details]
The electromagnetic flowmeter has high precision, reliability and stability, and multiple functions. It is suitable for various working conditions and working environments, and its parameters can be ...[Details]
According to foreign media reports, after the launch of the ultimate member of the M1 camp, M1 Ultra, at the press conference in the early morning of March 9, the outside world generally expects that...[Details]
According to foreign media CNET, Apple is developing a head-mounted display. Apple has not revealed any exact information about the rumored AR glasses, but through the Focals smart glasses previously...[Details]
The deflection system of the oscilloscope is mostly of electrostatic deflection type, which consists of two pairs of mutually perpendicular parallel metal plates, called horizontal deflection plates a...[Details]
Clamp-on ultrasonic flowmeters are widely used in the water supply industry for their advantages of easy installation, low maintenance and non-contact measurement. Clamp-on ultrasonic flowmeters...[Details]
Rhombus uses Wolfspeed SiC devices to enable faster electric vehicle charging
Bidirectional charging enables power flow between the grid and vehicles, enabling power storage and inte...[Details]
From October 14 to October 20, Sunwoda Power will present its core products at the Paris Motor Show, one of the world's five major auto shows; at the same time, its manufacturing base in Hungary wi...[Details]
1. Introduction
With the exhaustion of IPv4 addresses and the increasing number of network access users, the transition to IPv6 is imperative. As a new generation of network protocol, IPv6 not on...[Details]
AP3019, AP3029 and AP3030 are three white LED backlight
driver
chips. They are all inductor-based boost white light
driver
ICs with built-in boost
circuits and
Schottky diod...[Details]
Since the development of embedded systems, the foreground and background system software design mode has been adopted for a long time: the main program is an infinite loop, and a single task is e...[Details]
A soft starter is a power electronic device used for motor starting. It can effectively reduce the current shock during starting, thereby protecting the motor and the power grid. However, in some c...[Details]
RF/Wirelessly
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