[i=s]This post was last edited by btty038 on 2018-11-26 16:24[/i] [postbg]bg10.png[/postbg] These are two devices in the L-band of the power amplifier. . . . I won’t say any more, I’ll just upload a s...
I usually do a lot of software, but recently my boss asked me to make a circuit board to control the opening and closing of 40-400V DC voltage. Due to the limitation of the object to be measured, it c...
[i=s]This post was last edited by littleshrimp on 2020-10-19 19:44[/i]I bought the magnet on September 30th, but the seller gave me the wrong address and sent it to another city. I didn't receive it u...
littleshrimpST Sensors & Low Power Wireless Technology Forum
OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
This paper introduces the functional principle of variable structure control system of oil pumping motor inverter, how to use the multi-tasking function of uC/OS-II to realize the algorithm structure ...[Details]
On April 17, the establishment ceremony of the Comprehensive Energy Working Committee of the China Electrical Equipment Industry Association (hereinafter referred to as the "Comprehensive Energy Co...[Details]
background After the hardware engineer completed the PCB and schematic design, the routine was modified according to the tutorial of Zhengdian Atom to verify the correctness of the hardware. STM32F...[Details]
The domestic power supply industry has generally adopted automatic measurement systems for product testing. The entire system will include a variety of measurement items, and most tests can be measur...[Details]
1. Main technical difficulties
① There are tens of thousands of pixels on a large LED display. As the display area increases, the circuit structure becomes more complex.
② In order to ensure ...[Details]
According to foreign media reports, on October 11, local time, Tsecond, a technology developer that helps companies and organizations activate big data, launched a powerful and unique solution, BRY...[Details]
0 Preface Experimental Materials 1. Program logic 1.1. The program uses PWM interrupt to count PWM pulses, thereby realizing open-loop control of the stepper motor, which is set to falling edge tri...[Details]
With the rapid development of new energy vehicles , the importance of thermal management systems has become increasingly prominent. Because the optimal operating temperatures of different components...[Details]
The MCS-51 single-chip microcomputer instruction system includes 111 instructions, which can be divided into the following five categories according to their functions.
Data transfer instructions (...[Details]
I believe most electrical technicians are familiar with the electrical component of thermal relays. The main function of thermal relays is to be used in motor control circuits to provide overload pro...[Details]
1. Add a line _DLIB_FILE_DESCRIPTOR under option- C/C++ compiler--- defined symbols 2. Add the following function in the file using printf int fputc(int ch, FILE *f) { USART_SendData(USART1, (...[Details]
Recently, the retail packaging of Apple’s yet-to-be-released 35W dual-C-port power adapter has surfaced online. Weibo user WHYLAB provided some details about the new power adapters and said that up...[Details]
Arm is a British chip architecture company founded in 1990. It was acquired by SoftBank of Masayoshi Son in 2016, but its headquarters is still in Cambridge, UK. It is reported that Arm itself does n...[Details]
Demodulators, directional circuits, and other electronic applications often require two sine waves that are 90° out of phase: a sine wave and its cosine wave. Engineers often use
analog
f...[Details]
RF/Wirelessly
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