3CN01178DA

Using 3DA87C to make an FM transmitter circuit introduces a long-distance FM transmitter circuit made of ordinary triode 3DA87C. This circuit is also an ordinary three-point oscillation circuit. The ...[Details]

In October 2021, the United Nations Biodiversity Conference opened in Kunming, China, and sustainable development once again became the focus of society. With the continuous improvement of human prod...[Details]

    SH-3 is a high-end 32-bit RISC architecture microcontroller series of Renesas' SupezH series, with low power consumption, high performance, integrated MMU, cache and power management modules, and...[Details]

On October 12, Shenzhen BAK Power Battery Co., Ltd. (hereinafter referred to as "BAK Battery ") released a series of semi-solid lithium batteries for the first time , taking into account energy densi...[Details]

Cars are a high-frequency hot word in the 2023 National Two Sessions. As the automotive industry enters the second half, intelligence and connectivity have become the focus of car companies. The inte...[Details]

Recently, the 21st Guangzhou International Auto Show 2023 (hereinafter referred to as the "Guangzhou International Auto Show") kicked off with the theme of "New Technology·New Life". This year's Guan...[Details]

　　 The first circuit principle:   The AC220V voltage is half-wave rectified by D3 and filtered by C1 to obtain a voltage of about +300V. One path is added to the switch tube Q2 c pole through the pri...[Details]

As usage surges and customer demands increase, hardware designs are rapidly becoming complex. Rapidly changing market trends and increased focus on technologies such as electric vehicles determine th...[Details]

    The wind intensity of ordinary electric fans is constant, which is not as comfortable as the natural wind blowing in gusts. Here, we use PIC16F84 microcontroller to make a natural wind generator. ...[Details]

U.S. efforts to prevent China from making high-end chips are being undermined in new ways. China's semiconductor industry lags behind the United States in patents and South Korea and Taiwan...[Details]

Lithium ions have once again become the target of public criticism. The just-concluded 2022 China Auto Forum has, to a certain extent, become a "complaint conference" for power battery manufacturer...[Details]

TS61158 Fieldbus 　　Fieldbus standards consist of the following parts: 　　PhL: Superset of IEC61158-2:1993 standard; 　　A superset of Foundation Fieldbus; 　　A functional superset of WorldFIP; ...[Details]

CAN bus is a bus with many applications at present. It is widely used in automotive electronics and aerospace. The blogger uses the STM32 development board of the battleship. I won’t talk about the i...[Details]

Following the vigorous competition for lidar, capital has also begun to target the upstream industry. Recently, Ruishi Technology, an industry-leading VCSEL optical solution provider, received nea...[Details]

Transistor constant current bias circuit     Usually, when RL»R, the current flowing through the photoresistor remains basically unchanged, and the bias circuit at this time is called a constant cu...[Details]