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. 27 March 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! 27 March 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. 27 March 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! 27 March 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. 27 March 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. 27 March 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. 27 March 2025
Secret ESP32 Inside Arduino Nano RP2040 Connect! Take a closer look at the Arduino Nano RP2040 Connect, a versatile board that supports Python and contains a 32-bit dual-core Arm Cortex-M0+ processor, WiFi & Bluetooth module, and a six-axis motion controller. Find out how to use the RGB LED, read values from the PDM microphone, and create innovative projects using this powerful, compact device. 27 March 2025
Unboxing Tech Treasures: Laser Scanner, EPaper Display, Audio PCBs & More! Check out the latest mailbag with cool electronics, including a laser galvo scanner, iPad displays, audio amplifier PCBs, and even wake-word detecting microphones! 27 March 2025
ESP32 and GPS Learn how to connect a GPS board to an ESP32 and parse location data using the Arduino framework while walking around. This tutorial also includes tips on troubleshooting serial connectivity with a USB to UART board and a terminal program. 27 March 2025
MicroPython I2S Audio with the ESP32 Discover how to use I2S with Micropython on the TinyPICO board in this detailed tutorial, comparing C++ and Micropython implementations. Learn how to build custom Micropython firmware with I2S support, set up an environment for the project, and use I2S for recording and playing back audio. 27 March 2025
Revamped Audio PCB Walkthrough: Fixing Mistakes & Enhancing Functionality Learn how to modify a custom PCB for an ESP32 walkie-talkie project, including exposing spare GPIO pins, freeing up the DAC pin, saving GPIO pins for the microphone and amplifier, and wiring up the shutdown pin on the amplifier for low power mode. 27 March 2025
Raspberry Pi Hidden Settings - Setup Hostname, SSH and WiFi from the Pi Imager Application. Uncover a hidden screen in the Raspberry Pi Imager Application to easily set up SSH, WiFi, and hostnames for your device without creating additional files. Just press Ctrl+Shift+X! 27 March 2025
Reviving a Broken iPad: Transforming it into a Magic Mirror with Raspberry Pi Zero Learn how to transform an old iPad 1 screen and a Raspberry Pi Zero into a Magic Mirror with this step-by-step guide! Enhance your home with this unique, DIY upgrade. 27 March 2025
ESP32 Audio DMA Settings Explained - dma_buf_len and dma_buf_count Learn how to choose ideal parameters for dma_buf_count and dma_buf_len when working with I2S audio and DMA, exploring the impact of these values on CPU load, latency, and memory usage. 27 March 2025
Record & Playback Audio on ESP32 SD Card: Step-by-Step Guide & Demo Learn how to use the ESP32 to record and play WAVE files to and from an SD Card with ease, using the Arduino framework. 27 March 2025
ESP32 Walkie-Talkie: DIY Audio Magic Discover how to create your own Walkie Talkie using an ESP32, I2S microphones, and a 3W amplifier board with this step-by-step guide. Explore code, schematics, and more to customize your Walkie Talkie project! 27 March 2025
The Mysterious Case of the Disappearing Noise - ESP32 Walkie Talkie Project Discover the solution to removing noise in a walkie-talkie project by using power filters and ground pins. Watch the experiments and see the noise reduction in action! 27 March 2025
ESP32 Audible Noise When Using WiFi Discover the mystery of the audible noise in ESP32 boards during Wi-Fi transmission and explore potential solutions to tackle the interference issue in this walkie-talkie project. 27 March 2025
ESP32 Walkie Talkie - Part 1 - Fusion 360 case design Join in on the fun of creating a walkie-talkie with Fusion 360 in this video, showcasing a mix of skill and creativity that is sure to inspire. Don't miss the full build in the next video! 27 March 2025
ESP32 Audio Monitor using TFT_eSPI (TTGO) Learn how to port an M5Stack Core2 Audio Monitor for use on any ESP32 with a TFT screen, by utilizing a TTGO board. Find the modified code on GitHub and modify it for your preferred board. 27 March 2025