Welcome back to “Mind+ and ESP32: A Journey of AIoT Enlightenment for Kids”! In Lesson 6, “Knob Light”, we explored the mysteries of analog signals and achieved precise control of light brightness through a knob. 👉 To review Lesson 6, please click: “Knob Light: The Art of Brightness at Your Fingertips, Mastering Stepless Dimming!” Lesson … Read more
Click the blue text above: IoT Guesthouse to follow us Today, I will guide you through the process of a first-round interview for embedded engineers and the common questions asked. 1First, introduce yourself It is important to highlight your project experience during the self-introduction. This part is crucial as many subsequent questions will be based … Read more
01Basic UnderstandingModel:HS-S70PName:Heart Rate and Blood Oxygen SensorSeries:Biological Sensing ModuleDescription:This is an integrated biological sensing module based on the Max30102 chip, utilizing dual light source detection technology with red and infrared light. It can simultaneously collect heart rate and blood oxygen saturation data, outputting digital measurement results via I2C communication. It features non-invasive detection, high accuracy, … Read more
01Basic UnderstandingModel:HS-S45PName:Barometric Pressure SensorSeries:SensorDescription:This is a high-precision digital sensor that integrates barometric pressure and altitude measurement functions. It uses MEMS (Micro-Electro-Mechanical Systems) technology and an I2C communication interface to convert atmospheric pressure changes into readable digital signals. It can also calculate altitude based on pressure values, featuring high measurement accuracy, low power consumption, and rapid … Read more
High-Precision Smart Microcontroller Development for Voice Chip Solutions H9T56x_SL_APP Sound Source Localization Application Function Specification Application Overview: The H9T56x_SL_APP is a demo program developed for sound source localization tracking display based on the Sound_Location_160408.LIB secondary platform from Helios. Hardware Description: Please refer to the documents H9T56x_SL_APP Circuit (H9T56Q).pdf and H9T56x_SL_APP Circuit (H7C352).pdf for the application … Read more
Today, I worked with a colleague on a TP driver. After powering on, the logs were normal, but the touchscreen was unresponsive, so we began troubleshooting. After powering on, we could read the chip’s chip ID normally, which indicates that the I2C communication is functioning correctly, and it also confirms that the power supply to … Read more