85967-3

    The circuit of AG9900 intelligent remote control motorcycle anti-theft system is shown in Figure 1 and Figure 2. The PIC16C54 microcontroller is the main controller, and VD5026 and VD5027 are cod...[Details]

The driving signals between power switches S5, S6 and S1, S4 (S7, S8 and S2, S3) all have a phase difference θ, and the common conduction time in one switching cycle Ts is Tcom, see formula (1). Si...[Details]

Usually, we may encounter some special equipment. Due to its limited design space, the volume of the R-type transformer should be small enough to be well applied. In response to this problem in the...[Details]

Legislation in Europe, the United States and Australia will require automakers to install alarms to detect if a child is forgotten in a locked car. Acconeer's PCR radar sensor has a great opportunity...[Details]

Gartner's latest report shows that by 2023, the net increase in the number of autonomous vehicles worldwide will reach 745,705, up from 332,932 in 2019 and 137,129 in 2018. These figures do not repre...[Details]

　　Currently, surface coatings are one of the most advanced thermal camouflage technologies. The coating absorbs the heat from the wearer's body and changes the heat emitted by the clothing. However, ...[Details]

For sites without AC power, it is difficult for diesel generators to guarantee power supply (due to rising oil prices and failure to refuel in time), and a new power supply solution is needed. A s...[Details]

As Asia's largest annual smart city exhibition, the 2019 Smart City Summit & Expo (SCSE) was held in Taipei, Taiwan.   Smart transportation focuses on deepening services and adding value The trend of...[Details]

Since eyeballs determine business opportunities, let’s first look at the following product photos. How are these cool UIs developed? What operating systems do these products use? Android? Figure 1 ...[Details]

The following introduces several converter-type power supplies, which are LM723-controlled power supplies, LM3524-controlled power supplies, piezoelectric ceramic converter-type power supplies, and v...[Details]

Before installing the inverter, you must determine the installation environment and then use the appropriate installation method. When wiring the inverter, you must correctly wire the main circuit ...[Details]

1 Introduction Most of China's medium and large petrochemical enterprises use a small current grounding system for power supply, and the power system is relatively large. This type of system general...[Details]

The output voltage of the switching power supply will decrease when the load is short-circuited. Similarly, the output voltage will increase when the load is open or unloaded. In maintenance, the dum...[Details]

The short circuit of lead-acid battery refers to the connection between the positive and negative electrodes inside the lead-acid battery. The short circuit phenomenon of lead-acid battery is mainly...[Details]

1 Introduction Most of my country's medium and large petrochemical enterprises use a small current grounding system for power supply, and the power system is relatively large. This type of sys...[Details]