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 saw the email and was on a business trip in Beijing. I contacted okhxyyo and went directly to EEWORLD to pick it up. Am I the fastest to get it? The editors were very enthusiastic and even invited m...
I saw the nRF24L01 driver in the micropython source code a long time ago, but I never tested it. Yesterday I soldered two modules, modified the GPIO definition, tested the basic communication function...
A 100W wireless power transmission prototype was made before. The primary resonant side adopted full-bridge switch phase shift control. The schematic diagram is shown in the figure.The actual measured...
Receive "SHT31 Smart Gadget" and start testing immediately
The test board I received is a bit like chewing gum. But it is a bit bigger.
After opening the package, you can see that there is a "plastic ...
IoT security himqtt firewall data structure ringbuffer ring bufferWith the popularity of 5G , IoT security is particularly important. himqtt is the first high-performance MQTT IoT firewall with comple...
In electronic measurement technology, frequency measurement is one of the most basic measurements. The commonly used frequency measurement method and period measurement method have great limitat...[Details]
LED light display module The LED light display module is mainly composed of three-level LED lights during simulation. The P2.0, P2.1, and P2.2 ports are used to control the conduction and cutof...[Details]
1. The system is based on the low-power AT89S51 single-chip microcomputer. The multivibrator composed of the LCD555 timer generates a wave of a certain frequency, and then the I/O interface of the si...[Details]
The reporter learned from the Guangxi Electric Power Department that as of the end of July this year, the total installed capacity of new energy storage in Guangxi reached 2.17 million kilowatts, an i...[Details]
In the early morning of September 13, Apple held its 2018 fall conference amid much anticipation. This year's new iPhone is just a "patch version" of last year's iPhone X, with a larger size (up t...[Details]
Recently, BlackBerry announced that QNX software has been installed in more than 150 million vehicles, an increase of 30 million since 2018. These findings are verified by Strategy Analytics, which t...[Details]
In our analysis two weeks ago, we saw that Keysight's new generation of multimeters use the same hardware platform, especially the main circuit boards of 34465A and 34470A are almost identical. Thes...[Details]
Yesterday, I finally managed to successfully run the cross-compilation environment, transplant the kernel, and create the root file system on the arm development board. Some steps went smoothly, but ...[Details]
As mentioned above, independent keys are separated from matrix keyboards. Next, we will look at a 4*4 matrix keyboard, which uses the same delayed debounce detection as in the previous section. Fir...[Details]
Codasip University Program collaborates with Intel Pathfiner for RISC-V to bring Codasip RISC-V IP cores, Codasip Studio development environment, and Intel's FPGA platform into undergraduate and gr...[Details]
DC-DC converters power individual circuits throughout the system. While each circuit may perform well on the test bench, the overall system performance often does not match the performance of the i...[Details]
Recently, Yunhe Zhiwang announced that it has completed two rounds of financing totaling nearly 400 million yuan. The angel round of financing was led by Qiming Venture Partners, followed by Inspur G...[Details]
Samsung launched a 583-inch 8K commercial "The Wall" display at the ISE2020 in Amsterdam, replacing the previous 437-inch version. It is reported that this is the largest commercial display panel pro...[Details]
More than 140 days after South Korea's 5G was commercialized on April 3 this year, the number of 5G users of SK Telecom, South Korea's largest telecommunications operator, exceeded one million on the...[Details]
In the interface circuit of a microcomputer, there are generally two ways to isolate the host and peripherals: one is to use a relay; the other is to use an optocoupler. For products that use bat...[Details]