Issue 17

Bitcoin Nodes, E-Ink Weather Stations, and ESP32 Hi-Fi

Dive into this issue for hands-on guides and projects that push the boundaries of Raspberry Pi and ESP32 applications. From building your own Bitcoin node and retro dial-up ISP to

ESP32

4 builds

Build Your Own Hi-Fi Audio System

This project offers a detailed guide to creating a versatile audio system using an ESP32. It covers integrating the YDA138-E amplifier and PCM5102 DAC, setting up for Internet Radio, Bluetooth, and MP3 playback, and powering a 20 Watt Stereo amplifier.

Read the build on makerguides.com: Build Your Own Hi-Fi Audio System

Build an ESP32 Weather Dashboard

Crafting a weather dashboard with an ESP32 offers a hands-on way to monitor real-time weather data. This project involves integrating online weather APIs to display radar maps and forecasts. It's a great opportunity for IoT enthusiasts to learn about data processing and customization possibilities.

Read the build on hackaday.io: Build an ESP32 Weather Dashboard

ESP32 Bluetooth Jammer Project Guide

Building a Bluetooth jammer with an ESP32 and dual NRF24L01 modules offers a hands-on experience in RF technology. This guide covers the components, circuit setup, and firmware flashing, while also discussing the educational and ethical aspects of such projects.

Read the build on circuitdigest.com: ESP32 Bluetooth Jammer Project Guide

Use ESP32 Preferences for Permanent Data

Storing data permanently on ESP32 devices is crucial for many projects. The Preferences library offers a straightforward way to achieve this. Learn how to set it up, see code examples, and understand its benefits for data persistence in your projects.

Read the build on randomnerdtutorials.com: Use ESP32 Preferences for Permanent Data

Raspberry Pi

3 builds

Build a Raspberry Pi E-Ink Weather Station

This guide walks you through creating a Raspberry Pi E-Ink weather station. You'll learn how to integrate the Raspberry Pi with an E-Ink display, use Python for data retrieval, and follow detailed wiring instructions. Code examples and troubleshooting tips are included for a smooth assembly process.

Read the build on cdn-learn.adafruit.com: Build a Raspberry Pi E-Ink Weather Station

Building a Bitcoin Node with Raspberry Pi

Creating a Bitcoin node using a Raspberry Pi is a practical project for crypto enthusiasts. This guide walks you through setting up the hardware, installing necessary software, and understanding the node's role. Learn about potential challenges and the benefits of running your own node.

Read the build on bennet.org: Building a Bitcoin Node with Raspberry Pi

Retro Tech Meets Modern DIY

Combining vintage tech with modern DIY, this project uses a Raspberry Pi to emulate a local dial-up ISP. By integrating a first-gen Apple AirPort Base Station and POTS, it offers a unique blend of old and new technologies, perfect for retro tech enthusiasts and makers.

Read the build on jeffgeerling.com: Retro Tech Meets Modern DIY