Bluetooth
|
This Raspberry Pi Zero 2 W Runs a Virtual Viking Dragon That Feeds on Nearby Wi-Fi and Bluetooth signals What if your virtual pet could find food from the Wi-Fi and Bluetooth signals around you? Meet Harald, a virtual dragon created by a Raspberry Pi enthusiast. Built using a Raspberry Pi Zero 2 W and a Waveshare V4 e-paper display, Harald treats nearby Wi-Fi networks and Bluetooth devices as food. Discovering new devices makes the dragon happier, turning everyday wireless activity into a virtual… |
|
Bluetooth Controlled Pick and Place Robotic Arm Car using Arduino In the domain of robotics and automation, precision-controlled mechanical movements have ushered in a revolutionary wave across diverse industries, spanning from manufacturing to healthcare. Thanks to the advent of cost-effective microcontrollers (Arduino) and easily accessible programming tools, enthusiasts and hobbyists now have the… |
|
Thumb-Sized Smart Button Packs Years of Battery Life with Matter Connectivity A tiny smart button measuring just 32 millimeters in diameter is demonstrating how modern IoT hardware can deliver powerful functionality in a miniature package. At its core is the Nordic nRF54L15 chipset, a next-generation wireless microcontroller designed for ultra-low-power embedded applications. The board supports Bluetooth Low Energy and Matter over Thread,… |
|
PolyCast5 Combines Wi-Fi, LoRa, Bluetooth, IR, and ESP-NOW on an ESP32-C5 Platform If carrying a TV remote, a smart home controller, a password manager, a wireless keyboard, and a long-range IoT transmitter sounds excessive, the PolyCast5 aims to combine all of them into a single handheld device. Built around the ESP32-C5 microcontroller, the open-source gadget brings together five wireless technologies Infrared (IR), dual-band Wi-Fi, LoRa, Bluetooth 5.0/BLE, and ESP-… |
|
DIY LEGO RC WALL-E Robot Using ESP32 and a PS4 Controller The main part of the project is a LEGO RC WALL-E itself. He initially planned to use a FlySky controller and its remote, but later switched to a PS4 controller as it is much more compact and offers more controls. He used an ESP32 as the receiver. After some research, he decided to use the Bluetooth functionality of the ESP32 for communication. Two N20 motors along with an L298N motor driver… |
|
ESP32 Bluetooth Jammer Using Dual NRF24L01 Modules Bluetooth communication is everywhere. Due to its low power consumption, we can see it in a lot of our day-to-day gadgets. Behind the scenes, it's all about signals. Let’s explore what really happens when data is transmitted or disturbed via Bluetooth. This project is based on an ESP32 and two NRF24L01 modules, and we are going to learn how we can generate a 2.4 GHz… |
|
Mesh Node Combines LoRa and Meshtastic for Off-Grid Messaging Not being able to locate a friend who got separated from the group during a trek led to the development of Mesh Node, a device designed for connectivity in areas where traditional infrastructure does not exist. It uses LoRa tech to support messaging over distances of up to 4–5 kilometres in open areas. The range of communication extends even longer by forming a mesh network, where devices… |
|
Espressif Introduces ESP32-E22, Its First Wi-Fi 6E Connectivity Co-Processor Espressif has unveiled the ESP32-E22, the company’s first Wi-Fi 6E system-on-chip and the start of a new lineup focused on high-performance wireless connectivity. Designed as a radio co-processor (RCP), the device handles Wi-Fi and Bluetooth tasks independently, allowing the main host processor to concentrate on application logic rather than networking overhead. The… |
|
A DIY Bluetooth Speaker That is Smaller Than an Earbud Shrinking consumer electronics to their practical limits is a recurring theme in the DIY hardware space, and a recent project from the YouTube channel Gadget Industry takes that idea to an impressive extreme. The build centers on a Bluetooth speaker so small it undercuts the size of a single AirPods earbud, yet still manages to function like a conventional portable speaker. At the core of the… |
|
Memento Cognitio: AI-Powered Visual Cognition Device By Arpit Sengar Memento Cognitio is a hardware-software project that enables users to capture images with an Adafruit MEMENTO Camera Board, analyze them using AI (Google Gemini), and receive concise spoken descriptions via Bluetooth on a desktop computer. Why was it made?This project was… |
|
Quectel introduces SH602HA-AP smart robotic computing module to power the next generation of robotic devices Las Vegas, United States, 7 January 2026 – Quectel Wireless Solutions, an end-to-end global IoT solutions provider, today announces the launch of a new-generation smart robotic computing module, the SH602HA-AP. Based on the D-Robotics Sunrise 5 (X5M) chip platform and with an integrated Ubuntu operating system, the module features up to 10 TOPs of brain processing units (BPU) computing… |
|
Meet the ESP32-DIV V2: The Open-Source "Flipper Zero Killer?" If you've been following the world of portable pentesting tools, you know the Flipper Zero reigns supreme. But for the makers among us who prefer "built not bought," a serious contender has arrived. Creator CiferTech has just released the ESP32-DIV V2, a completely open-source, multi-band wireless testing toolkit that aims to be a more accessible and customizable alternative to commercial… |
