1. Overview
AHT10 is a high-precision, fully calibrated, SMD packaged temperature and humidity sensor. AHT10 uses standard IIC communication and supports a wide operating power supply voltage range. T...
Use CC2530 to send a packet of data every 10 seconds. The time and current required are measured as follows:
Battery voltage: 2.97V, sampling resistance 11 ohms.
Waveform below:
The parameters are as ...
This article uses the Smith chart as a design guide for RF impedance matching. It gives an example of plotting reflection coefficient, impedance, and admittance, and uses the graphical method to desig...
Waft-UI component learning ( 2 )
Following the previous test of the components in waft-UI , this time we will continue to test the picker , switch and card .
1. Learning the picker component
Waft-UI p...
PCF8591 is a single-power, low-power 8-bit CMOS data acquisition device with 4 analog inputs, 1 analog output and a serial I2C bus interface for communicating with a microcontroller. Similar to the 2...[Details]
On November 22, Nationstar Optoelectronics stated on its investor interaction platform that the company's third-generation semiconductor products are currently in the stage of customer-cooperated dev...[Details]
Zhaoguan Sensing Technology's medical pulse oximeter uses Nordic's nRF52832 SoC to transform key health indicators Data is wirelessly and synchronously transmitted to the user's smartphone Nordic S...[Details]
Project Background
Lightning disasters have existed since ancient times. According to relevant research statistics, there are an average of more than 2,000 lightning strikes on Earth at an...[Details]
The Power Management Bus standard is the next phase of development for fully digital control and management of power supply systems. The use of the Power Management Bus and Power Management B...[Details]
1. Clock Generation The system clock diagram of S3C2440 is as follows: The main clock source of S3C2440A is provided by an external clock (EXTCLK) or an external crystal oscillator (XTIPll). The in...[Details]
Resistance remote pressure gauge wiring Among terminals 1, 2, and 3 of the remote pressure gauge, there are two terminals. When there is no pressure, the resistance value is about 30 ohms. As the...[Details]
I still remember that when I was in school, my textbook said "Science and technology are the primary productive forces". The development of human beings from primitive society to the present has been...[Details]
SI4438 RF module parameters: 1. Frequency range: 425-525 MHz 2. Digital Received Signal Strength Indicator (RSSI) 3. 64-byte transmit and receive data register (FIFO) 4. Frequency hopping function wa...[Details]
Today I learned about microcontroller serial communication and wrote a communication program between the microcontroller and the PC, that is, the PC sends information to the microcontroller, and the ...[Details]
In recent years, modern spectrum analyzers have made great improvements in low-frequency analog accuracy and digital signal processing (DSP) devices, especially front-end intermediate frequency (IF) ...[Details]
With the continuous innovation of China's power electronics technology and the widespread application of photovoltaic power generation technology, the study of the power supply part inside the photovo...[Details]
From a topology perspective, synchronous rectifiers are the basic building blocks of the secondary side of switch-mode power supplies, as they offer lower conduction and switching losses, improving...[Details]
1 Introduction
Embedded audio system is divided into hardware design and software design. The hardware part adopts the audio system architecture based on IIS bus. In terms of software, embedde...[Details]
In recent years, China State Grid has been working hard to build a unified strong and intelligent grid with networking and automation , and has clarified the strategy of promoting the development of ...[Details]
Mobile and portable
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