I need help from kind people to draw a circuit diagram and explain how to connect the AC power -2.5V~+2.5V in series with the DC 2.5V to become AC 0~5V. I want to reduce the voltage of the AC power of...
I am preparing to learn software development for a handheld device, which should at least include a data query function (including pictures and text), and the amount of data is relatively large. Requi...
I plan to design a 220V powered, 800 lumen output LED lamp. However, to be on the safe side, I set the input voltage to 110~230V. Then I start designing. The first step is to select the LED. Then sele...
[Abstract] China may have fallen far behind in RFID technology and applications. The current priority is not to rush to formulate standards, but to catch up with the market and promote applications. F...
The new LF21173TMR and LF21177TMR switches are housed in a compact LGA4 package and offer high sensitivity.
Fast response and extended battery life, suitable for battery-powered smart el...[Details]
Radio Frequency Identification (RFID) technology is a contactless automatic identification technology that uses radio frequency signals to read and write relevant data from target objects to achiev...[Details]
Medicines are special commodities. If patients are given the wrong medicine, fake medicine, inferior medicine or expired medicine, it will pose a threat to people's health and lives.
In recent...[Details]
Human body information monitoring is an emerging field. People envision developing wireless electroencephalogram (EEG) monitoring equipment to diagnose epilepsy patients. Wearable wireless EEG can ...[Details]
As FPGAs incorporate more and more capabilities, the need for effective debugging tools will become more critical. Careful planning for internal visibility will enable teams to adopt the right debuggi...[Details]
Many medical applications require portable, self-powered devices that do not require external power and data cables. The most obvious example is a portable data logger that patients carry with them to...[Details]
0Introduction
In oil drilling, accurate measurement of wellbore posture is the premise of wellbore trajectory control. To this end, this paper fully combines the advantages of single-chip ...[Details]
summary
Theoretically explains how to set up a PFC boost regulator using a current sensing transformer with the UCC3817 control IC.
1. Schematic
The schematic diagram is show...[Details]
A well-designed electronic load is not designed just for use in the lab; it should be carefully designed and built to test actual power systems. This is true for military portable systems, such as ...[Details]
System Introduction
EraSoC-1000 series chips are high-performance SoCs (System on Chips) based on the Loongson core. With their powerful CPU processing capabilities, 64-bit floating-point ...[Details]
1. Introduction
The UCC28051 reference design is a 100W offline AC/DC voltage converter with power factor correction (PFC). This power module design is intended to illustrate how to proper...[Details]
According to In-Stat/MDR, the number of mobile phones with Bluetooth capabilities will reach at least 300 million by 2005. One of the clear evidences of the increasing adoption of Bluetooth is that...[Details]
Abstract This paper
introduces a wireless radio frequency transmission chip nRF9E5 based on 8051 core. The remote control system of flapping-wing micro-aircraft is made by using this chip. Th...[Details]
Fieldbus is an open, digital, multi-point communication control system local area network, and is one of the most promising technologies in today's automation field. CAN bus is a hot application in fi...[Details]
With the continuous development of the national economy, the application of variable frequency speed regulation devices is becoming more and more extensive. How to break the monopoly of foreign produc...[Details]