Look Mum No Wires - This will blow your mind Discover the magic of wireless LEDs as they light up simply by being held near a coil, penetrating thick obstructions and even flesh with ease! Learn how this fascinating technology works, based on wireless charging, and see them in action. 07 September 2025
MakerCast Episode 34 Join the Makercast live stream, where creative electronics enthusiasts showcase their latest projects, including a self-assembling pick and place machine, advanced electronics tutorials, and more! 07 September 2025
DIY e-Reader update - ported to the M5Paper Discover the latest updates on the DIY e-reader project, featuring the sleek M5 paper device with an SD card for storing numerous books, a jog button for navigation, and a crisp display! Check out the Github link and try it out. 07 September 2025
Play MP3 Files on ESP32 Without Codec Chip: Easy Guide Learn how to decode and play MP3 audio files on the ESP32 with both headphone support and I2S digital amplifiers. Discover techniques to enhance audio quality and reduce power interference for clearer sound. 07 September 2025
ESP32 Deep Sleep: Ultra-Low Power Coprocessor Discover the power and functionality of the Ultra Low Power (ULP) co-processor on the ESP32. Learn how to read values from GPIO pins, wake up the main processor, and share data between ULP and the main processor. 07 September 2025
MakerCast Episode 33 In the latest Makercast episode 33, tune in to watch makers share their impressive projects including an 8-bit pipeline CPU with integrated VGA, expertise in Arduino and ESP, nerdy entertainment with gadget creation, and the world's smallest ESP32-development board - the TinyPICO! 07 September 2025
DIY eBook Reader - Build your own Kindle using an ESP32 Build your own DIY e-Reader with an ESP32, an e-paper display, and some simple coding. This project decodes ePUB files, parses HTML files, and renders texts and images on an e-paper display, while optimizing battery usage. 07 September 2025
Mastering ESP32 Deep Sleep: Timers, GPIOs & Touch Sensors Explained Learn how to put the ESP32 into deep sleep mode to extend the battery life of your IoT projects. This tutorial will cover methods for waking up the ESP32 using timers, GPIO pins, and touch sensors, along with maintaining state during deep sleep. 07 September 2025
Wio Terminal Audio Visualizer Learn about porting an audio monitor to the WiiO terminal, featuring a built-in microphone, gyroscope, accelerometer, light sensor, and infrared emitter. Check out the simple base class used for the display and the efficient template class implementation to swap out between two different display libraries. 07 September 2025
Arduino & C++: Blink Sketch Reinvented with Inheritance & Composition Learn how to create a single Arduino sketch for multiple dev boards using inheritance and composition in C++, improving code readability and maintainability. This tutorial demonstrates the principles by implementing a multi-board LED blink sketch and comparing code sizes to ensure efficiency. 07 September 2025
DIY USB Microphone Showdown: MEMS vs Electret vs Dynamic! Learn how to create a wired USB microphone using a Teensy, I2S MEMS, Electret, and dynamic microphones. Compare their audio quality with a shop-bought USB microphone and discover what's inside it. 07 September 2025
Fun-Size Mailbag: New Tech & Testing Stereo PCBs! Check out some interesting gadgets, including a Wio Terminal, a TTGO display, and a massive e-paper display, as we test new stereo amplifier boards in a Bluetooth speaker project. 07 September 2025
Wireless Mic on ESP32: Bluetooth Struggles & Success! Learn how to create a wireless microphone using ESP32 and Bluetooth Hands-Free Profile (HFP). Although the audio quality isn't perfect, the project pushes the ESP32's capabilities to their limits, resulting in an effective wireless speakerphone. 07 September 2025
Fan Hack: Power Bank to Battery-Free Desk Fan! Learn how to transform a battery-operated desk fan into a rechargeable one using a power bank and some simple modifications. 07 September 2025
Mastering KiCad: Design & Build Your Custom Stereo Amplifier Board! Learn how to create a version 2 of an I2S stereo amplifier board using KiCad in this engaging tutorial. Find out how to set up design rules, import symbols and footprints, generate the PCB layout, and add wiring and custom board outlines. 07 September 2025
AI-Powered Coding: GitHub Copilot Writes Arduino Blink Sketch & WiFi Setup Find out how GitHub Co-Pilot's AI impressively handles a blink sketch and Wi-Fi setup in an Arduino project! 07 September 2025
USB Power Bank Hack Learn how a seemingly harmless USB power bank can be used to hack a computer, showcasing the dangers of plugging in random devices and the importance of being cautious with computer security. 07 September 2025
5K Milestone: Your Fave Projects, YouTube Earnings & What's Next! Celebrate the journey of a tech YouTuber reaching 5000 subscribers, sharing their favorite projects, and offering insights into the channel's viewership demographics and revenue. Watch some hidden gems and get a sneak peek into the upcoming project ideas! 07 September 2025
E-Paper Weather Display: Boost Battery Life with Deep Sleep Mode Learn how to create a weather display using the LILYGO 2.7-inch ePaper Plus Module, featuring step-by-step instructions on programming in PlatformIO, designing an enclosure in Fusion360, and utilizing deep sleep mode for long battery life. 07 September 2025
ESP-Now Range Test: Real-World Results for ESP32 Devices! Learn about the real-world range of ESP-Now devices, with experiments showing a range of up to 500 meters using long-range mode in outdoor settings. Discover the trade-off between range and bandwidth and analyze the data collected during walk tests. 07 September 2025
Build Your Own Custom Bluetooth Speaker with ESP32 & A2DP | DIY Audio Project Learn how to repurpose old iPad speakers with a custom designed stereo I2S Class D amplifier, using EasyEDA for the schematic and PCB layout. Discover how to create a simple Bluetooth speaker using an ESP32 and a stereo amplifier for your DIY audio projects. 07 September 2025