Wireless
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Getting Started with ESP32-P4X-EYE: ESP32-P4 Vision Development Board Vision development boards are useful when an embedded project needs to combine image capture, local display, audio input, storage and wireless connectivity in a single platform. The ESP32-P4X-EYE takes this approach around the ESP32-P4, adding an ESP32-C6 wireless module, a 2MP MIPI-CSI camera, a 1.54-inch SPI LCD, a digital microphone, MicroSD storage, USB… |
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JioFind 4G GPS Tracker Teardown: A Complete Inside-Out Hardware Breakdown Bluetooth trackers like Apple AirTags and Samsung SmartTag are a convenient way to locate misplaced items nearby, but their dependence on nearby smartphones limits their usefulness over long distances. Cellular GPS trackers overcome this limitation by communicating directly over the mobile network, allowing them to report their location from anywhere with network… |
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Build an ESP32 GSM Calling Device with Auto Answer Using GeoLinker In this project, we build a complete ESP32 GSM voice calling device using the GeoLinker GL868 board. The main idea of this project is very simple. When we press a push button connected to the ESP32 board, it will automatically call a fixed phone number. Also, if someone calls the SIM card inside the module, the call will be automatically attended, and we can talk… |
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Hand Gesture Control Robot Using OpenCV Gesture control robotics replaces traditional buttons and joysticks with natural hand movements. This approach improves user interaction and reduces mechanical dependency on physical controllers. Sensors capture motion, convert it into digital data, and translate that data into robot movement in real time. This project demonstrates a… |
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DigiKey and Arduino Host Prototyping Webinar THIEF RIVER FALLS, Minn., USA – DigiKey, the global distribution leader of electronic components and automation products, announces an upcoming webinar, “From board to build: Using UNO Q and App Lab,” which will take place Feb. 12, 2026, at 9 a.m. CST. The webinar, sponsored by Arduino, will explore how Arduino’s UNO Q and App Lab work together to accelerate prototyping, enable… |
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The nRF9151 MicroMod Processor The nRF9151 MicroMod Processor is a compact cellular IoT module built around Nordic Semiconductor’s nRF9151 System-in-Package (SiP) and designed to work seamlessly with SparkFun’s MicroMod ecosystem. Using an M.2 E-Key connector, the 22 × 22 mm board plugs directly into compatible MicroMod carrier boards, making it easy to add cellular and positioning capabilities without complex wiring or… |
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Build a Compact and Portable DIY Bluetooth Speaker This DIY Bluetooth Speaker is a budget-friendly project that delivers clear wireless audio using affordable components. With the help of a DIY Bluetooth Speaker amplifier, the Bluetooth module sends the audio signal to the amplifier, which then provides the necessary power to drive the speakers. It can also be used for building a DIY Bluetooth portable speaker. The… |
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Getting Started with ESP32-S3-BOX-3: AIoT Development Board Finding the right ESP32-S3 development kit often means compromising between functionality and deployment readiness. With so many ESP32-S3 dev kits out there, we have been searching for a ready-to-deploy module that doesn’t require extra work like designing enclosures or 3D printing cases. These things can significantly increase the deployment time. One such kit we… |
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Getting Started with Adafruit MEMENTO: Python Programmable DIY Camera Board There have been many development boards recently built around the ESP32-S3. Most development boards come with a display, some also include cameras and buttons, and a few have speakers and microphones. Finding one that brings all these components together without compromising on quality has been the real challenge for makers and developers. Keeping all this in mind,… |
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Wireless Stepper Motor Controller with ESP32 and TMC2240 The Internet of Things (IoT) has revolutionised how we control devices, enabling seamless remote monitoring and operation over a network. This tutorial presents an innovative solution for remote stepper motor control, allowing you to precisely adjust its position, monitor its performance, and receive real-time feedback directly from a simple web browser. For those… |
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Marvel Asked and a Creator Delivered a Working H.E.R.B.I.E. Built in Seven Days Marvel asked content creator Frank to build a working replica of H.E.R.B.I.E., the robotic assistant from The Fantastic Four: First Steps, for the film's blue carpet premiere. With only seven days of time and help from engineer Danny, Frank built a fully animatronic H.E.R.B.I.E. using custom 3D models and off-the-shelf components. A two-wheeled balancing robot called Diablo was used as… |
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Build a Raspberry Pi-Based SMS Alert System Using Cloud API Ever wanted to receive real-time SMS alerts for your Raspberry Pi projects without dealing with bulky GSM modules or complicated SIM card setups, Imagine getting a text the moment your server room overheats or your smart greenhouse crosses a critical temperature limit. No apps to open, no dashboards to log into, just a simple SMS, instantly delivered to your phone.… |
