As shown in the figure below, the FLUKE5700 uses a patented26bit DAC, which serves as a programmable voltage divider. This DAC is of the pulse width modulation (PWM) type, with linearity better than 1 ppm (parts per million) across the range from one-tenth scale to full scale. The DAC output voltage is represented in software … Read more
This is the 360th content shared by the platform.Today’s in-vehicle infotainment systems (IVI) are no longer just simple “radio + player”; they have evolved into the core of intelligent cockpits that integrate high-definition music playback, voice interaction, navigation announcements, and multi-screen interaction. Users’ pursuit of audio quality has shifted from “audible” to “pleasant and faithful,” … Read more
📘 Introduction to UART + DMA (Fixed Length Reception) (This article focuses solely on DMA, excluding IDLE, which is essential to understand before learning about variable length reception.) 🎯 Objectives of this article: • Understand what DMA is • Why UART should use DMA • Configure UART + DMA • Implement “fixed length reception” • … Read more
Click the blue text Follow us 1. SPI (Serial Peripheral Interface) is a high-speed, full-duplex, synchronous communication bus that uses only four pins in its standard configuration. SPI IP core block diagram: 2. Register description of the SPI core 3. Configuring the SPI core 4. Programming the SPI core 5. SD Card Interface In SPI … Read more
The length of the threaded rod can be customized, with a default thread of M20*1.5. Options include G1/2, G1/4, G3/4, M8*1, M10*1, M12*1.5, M14*1.5, M16*1.5, M18*1.5, M27*2, and various other thread specifications. The default probe length does not include the depth of the threaded insertion, with options of 5mm, 10mm, 50mm, 100mm, 150mm, 200mm, 300mm, … Read more
0. Introduction For sensor selection, many beginners and even engineers are not very clear about the differences between various price ranges and devices. Here, the author wants to provide some suggestions based on personal experience and online resources, as well as how to use these devices. 1. Cameras 1.1 USB Camera (Amateur & Consumer) A … Read more
Click the blue text above to follow us People’s Education Edition 2012 Grade 9 Volume 1 – Chapter 14 Utilization of Internal Energy – Section 1 Heat Engines – Demonstration: Figure 14.1-1 01Experiment Objective The experiment on energy conversion during fuel combustion to heat water is an important experiment in middle school physics and chemistry. … Read more
Wearable Ring: Control Home Appliances with a Simple Finger Movement For individuals with disabilities or elderly people with limited mobility, performing simple tasks such as turning lights on and off or adjusting fans can be quite inconvenient. The recently launched wearable ring addresses this issue. It utilizes infrared technology and acts as a remote control. … Read more
Ultrasonic-Assisted High-Sensitivity Oxide Gas Sensor Nanjing University of Aeronautics and Astronautics 1 Overview of Results Oxide gas sensors have advantages such as low cost, good environmental adaptability, long lifespan, fast response and recovery, ease of mass production, and ease of miniaturization and integration. Therefore, related industries are attempting to utilize improved oxide sensors to achieve … Read more
Recently, there has been a double success in the field of sensors! Smart Matchstick stood out in the 9th China (International) Sensor Innovation and Entrepreneurship Competition national preliminaries organized by the China Instrument and Control Society, successfully breaking through from over 300 participating units and 819 projects (with a selection rate of about 11.5%), and … Read more