Bluetooth

STM32 Project Share: Smart Constant Temperature Box

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STM32 Project Share: Smart Constant Temperature Box

Product images of the project: Bilibili video link: https://www.bilibili.com/video/BV1dGfiY2E6N/?share_source=copy_web&vd_source=097fdeaf6b6ecfed8a9ff7119c32faf2 (See the end of the article for resource sharing) 01 — Project Introduction 1. Function Details STM32 Smart Constant Temperature Box The functions are as follows: Obtains temperature and humidity through DHT11. When the set temperature and humidity are exceeded, it performs heating, cooling, humidifying, dehumidifying, … Read more

Zigbee Direct Connection to Mobile Phones? Sigfox’s Revival? An Overview of Non-Cellular Communication Technologies

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Zigbee Direct Connection to Mobile Phones? Sigfox's Revival? An Overview of Non-Cellular Communication Technologies

Since the IoT market has become vibrant, software and hardware manufacturers from various industries have continuously entered the market. As the fragmented nature of the market has become clear, products and solutions tailored to specific application scenarios have also become mainstream. Furthermore, to ensure that products/solutions meet customer needs while allowing manufacturers to gain control … Read more

Introduction to Bluetooth Controller (3-1) — Basic Piconet Physical Channel – 2

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Introduction to Bluetooth Controller (3-1) -- Basic Piconet Physical Channel - 2

The previous article introduced how the clocks of the Central and Peripheral in a piconet are synchronized, as well as the time slots (hereafter referred to as slots). Now, we will discuss how to transmit and receive.1. Transmit/Receive TimingIn a piconet, the Central always starts transmitting on even slots (i.e., when CLK1=0), while the Peripheral … Read more

PLC Wireless Communication: Bluetooth – Wi-Fi Solutions to Break Free from Cable Constraints!

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PLC Wireless Communication: Bluetooth - Wi-Fi Solutions to Break Free from Cable Constraints!

“Breaking Free from Cable Constraints! Practical Testing of PLC Wireless Communication: Bluetooth/Wi-Fi Solutions, Fault Rate Drops by 80%!” Hello everyone! Are you still troubled by the tangled PLC cables in your factory? Those cables, resembling octopus tentacles, get tangled up easily, making maintenance a nightmare! Today, we are launching a “Cable Cutting Operation” to give … Read more

Bluetooth Headset Development – Design of TWS Bluetooth Headset Bidirectional Communication Charging Case

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Bluetooth Headset Development - Design of TWS Bluetooth Headset Bidirectional Communication Charging Case

Follow+Star Public Account Number, don’t miss out on exciting content In recent years, starting with Apple’s release of theAirPods, the true wireless headset market has seen rapid growth, and theTWS/OWS headset market has also experienced significant sales increases. The charging cases that accompanyTWS headsets have developed rapidly alongside the headsets. This article introduces a design … Read more

Bluetooth Keyboard and Mouse – Transform Your Phone into a TV Remote Control [App Version: 6.10.4]

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Bluetooth Keyboard and Mouse - Transform Your Phone into a TV Remote Control [App Version: 6.10.4]

📱 Turn Your Phone into a Wireless Keyboard and Mouse Instantly? This Gadget is Truly Useful! Are you still struggling to find a keyboard and mouse temporarily? Try this Bluetooth remote control gadget! With just a smartphone and no need to install any additional software, you can transform your Android device into a wireless keyboard … Read more

Bluetooth Headphones: A Case Study

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Bluetooth Headphones: A Case Study

Wireless Bluetooth headphones have become very popular in recent years. Many people have purchased a pair. But did you know? They can also pose safety risks! Related Cases On October 9, 2022, in Jiaxing, Zhejiang, a surveillance video captured a thrilling moment: a man was busy when suddenly the Bluetooth headphones he was wearing on … Read more

STM32 Project Sharing: Smart Wardrobe

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STM32 Project Sharing: Smart Wardrobe

Project finished product images: Bilibili video link: https://www.bilibili.com/video/BV1CQkTYzEQ9/?share_source=copy_web&vd_source=097fdeaf6b6ecfed8a9ff7119c32faf2 (Material sharing can be found at the end of the article) 01 — Project Introduction 1. Function Details STM32 Smart Wardrobe Functions are as follows: DHT11 detects temperature and humidity, sets thresholds for heating and ventilation RTC obtains real-time time and regularly performs UV disinfection Photoelectric sensor … Read more

Introducing the Bluetooth Keyboard with ‘Tap and Connect’ Feature

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Introducing the Bluetooth Keyboard with 'Tap and Connect' Feature

●Mastering the HarmonyOS Development BoardHow to get started with HarmonyOS hardware development? How should the development board be utilized? Can beginners quickly get started?The HarmonyOS developer public account’s column 【Mastering the HarmonyOS Development Board】 is here! Each issue provides hands-on teaching, allowing you to start with the development board from scratch, and conveniently provides source … Read more

Raspberry Pi Troubleshooting Guide 1: Cost-Saving Method – Zero HDMI Dependency, Easy Configuration of Raspberry Pi 5 Official Touch Display 2

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Raspberry Pi Troubleshooting Guide 1: Cost-Saving Method - Zero HDMI Dependency, Easy Configuration of Raspberry Pi 5 Official Touch Display 2

Background of the Issue Initial State: After re-flashing the Raspberry Pi system, the Touch Display 2 only shows the cursor and does not display the full desktop. During this process, a segmentation fault in libc-bin caused system instability. Prerequisites: Core Hardware List for Raspberry Pi Project 1. Raspberry Pi 5 ▪ Model: Raspberry Pi (16GB) … Read more