Shenzhen Changjiang Connector Co., Ltd. is a world-leading professional connector manufacturer with 20 years of experience. Its products mainly include wire-to-board connectors, board-to-board connectors, wire-to-wire connectors, wire harness processing and connector design, mold development and manufacturing. It is compatible with international brand connectors from Europe, the United States, Japan, South Korea and other countries.
[i=s]This post was last edited by jiesuheshang on 2020-7-21 22:59[/i]I have a new China Mobile Onenet NB development board and my own NB module M5310.
350 yuan, contact number 15929720065 (same as WeC...
PicoPlanet is a series of procedurally generated PCBs. There are three capacitive touch buttons (the planets). The board also has an RGB LED, a USB-C connector and 4 pin pads, the controller is a SAMD...
As the title says, I am looking for the agent of Songhan SN8P2501DSG chip. Does anyone know a Songhan agent? Or if you have an agent, please leave your contact information. Thank you!...
1. Download necessary software(1) Compilation software Mounriver (required)Download address: http://mounriver.com/
(2) WCH-ISP (optional) , this is the Qinheng MCU series chip program burning software...
When I use the STM32F103RCT6to compare the output of the timer, the initialization is set, the interrupt is enabled, and the timer is not enabled. Whenarr psc DutyRatio are all zero and assigned,TIM3-...
89C52 single chip microcomputer controls ISD4004 voice chip, multi-segment recording and playback The microcontroller source program is as follows: //AT89c52, ISD4004 //To record, press the K1 key tw...[Details]
The video circuit presented in this article combines an audio subcarrier
notch
, group delay equalizer, and amplitude adjustment circuitry to drive an RF video modulator in NTSC applicati...[Details]
Abstract: According to the 1553B data bus protocol and its interface technical requirements, a 1553B bus interface card based on PCI local bus is designed. The system uses PLX's PCI9052 and DDC's 155...[Details]
According to the performance report, China Unicom achieved main business revenue of 275.8 billion yuan in 2020, a year-on-year increase of 4.3%, and net profit of 12.525 billion yuan, a year-on-year ...[Details]
Recently, Apple released the official version of iOS 13.7, version number 17H35. According to the update notification, iOS 13.7 specifically adds the COVID-19 coronavirus exposure notificati...[Details]
The representation format of ARM instructions in the machine is represented by 32-bit binary numbers.
For example, ADDEQS R0,R1,#8 is represented as follows
31~28
27~25
...[Details]
The high-voltage electrostatic dust removal controller with a single-chip microcomputer as the core has the characteristics of low cost and powerful functions, but the human-computer interaction is p...[Details]
Microphone ALC circuit
Function
In some cases, when the current of the circuit is large (line loss is small) the microphone sound level must be low, and when the current of the circuit is small...[Details]
1. Independent watchdog The STM32's independent watchdog is driven by a dedicated internal 40Khz low-speed clock, which remains effective even if the main clock fails. The principle of the watchdog: ...[Details]
Mobileye announced today that it has delivered the first batch of mass-produced hardware and software for its latest EyeQ™6 Lite (EyeQ6L) system-on-chip to customers. EyeQ6L will enable the advan...[Details]
On September 6, Fanshi Daowei Energy Storage Technology Co., Ltd. held a review meeting for the "Feasibility Study Report of Fanshi 200MW/400MWh Shared Energy Storage Power Station Project" in ...[Details]
Diabetes affects about 8.5% of the world's population and is now the eighth leading cause of death. The World Health Organization estimates that diabetes will rise to seventh place by 2030. This ...[Details]
Square wave and triangle wave generator circuit
The square wave and triangle wave generators composed of integrated operational amplifiers generally include two parts: a comparator and an RC int...[Details]
The LPC2148 development board of Litian Electronics has four running lights. They are connected to the SN74HC595D and then connected to the 2148 processor. First light up the two on the sides (16, 19...[Details]
Soft start and variable frequency start are two different ways of starting motors. They are widely used in industrial automation and power systems. This article will introduce the concepts, princip...[Details]
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