Niklas Roy has created a modern-day take on the two-wheeled robots used in schools in the 1980s with Logo programming. His robots are vector plotters that create artwork and can be built with an Arduino Nano.
High-performance development board based on ESP32-P4 controller with RISC-V 32-bit dual-core and single-core processors, featuring 3.4inch/4inch round touch displays with 800x800/720x720 resolution, Wi-Fi 6/Bluetooth 5 (LE), onboard dual microphones, and support for AI voice interaction.
This document provides a developer guide for the Tiny Code Reader from Useful Sensors, a small, low-cost hardware module that reads QR codes. It covers connecting, mounting, powering up, reading data, configuration, sensor characteristics, example code, privacy considerations, and an appendix with data formats and CAD files.
The Waveshare ESP32-S3 Watch DevKit is a development board designed for creating smartwatches and wearable devices. It features an ESP32-S3 chip, a 1.52-inch AMOLED touch screen, and supports on-device AI and voice interaction. It includes features like Bluetooth 5.2, WiFi, a 6-axis IMU, and a vibration motor. The board is designed to be open-source and supports various development platforms.
Seeed Studio has revealed the TRMNL 7.5" DIY Kit, a 7.5-inch e-ink display kit compatible with Home Assistant and Arduino, offering a cost-effective solution for smart home enthusiasts. It includes a 7.5-inch 800x480 monochrome e-ink display, XIAO ESP32-S3 PLUS driver board, 2000 mAh rechargeable battery, and 10cm FPC extension cable. It is currently available for preorder for under $45.
This GitHub repository showcases various projects and designs for the Lilygo T-Display S3 ESP32 board. It includes examples like clocks (Strawberry, Casio-style, Nixie, Moon Phase), calculators, dashboards (Home Automation, PV Energy Monitor), and other creative UIs. The repository provides code and resources for building these projects, often utilizing Squareline Studio and LVGL. It also links to YouTube tutorials for each project.
Something similar to the Spotify Car Thing, built with a cheap ESP32 Screen. Connects to your Spotify account and displays your currently playing song with its album art.
This article details the various ESP32 series (Classic, S2, S3, C2, C3, C5, C6, H2, H4, and P4), outlining their key features, differences in CPU architecture, wireless capabilities, memory size, and intended applications. It explains the naming conventions and provides a comprehensive overview to help users choose the right ESP32 for their projects.
| **ESP32 Series** | **Key Features** | **Primary Use Cases** |
|---|---|---|
| **ESP32 (Classic)** | Dual-core, Wi-Fi, Bluetooth, BLE, DAC | Smart home, audio streaming, versatile projects |
| **ESP32-S2** | Single-core, Wi-Fi, USB-OTG, larger ADC | USB gadgets, low-cost IoT, cameras |
| **ESP32-S3** | Dual-core, Wi-Fi, BLE, AI extensions | Performance-focused IoT, AI/ML applications |
| **ESP32-C2** | Single-core RISC-V, Wi-Fi, BLE, low cost | High-volume, low-traffic devices (bulbs, sensors) |
| **ESP32-C3** | Single-core RISC-V, Wi-Fi, BLE, affordable | Battery-powered sensors, basic Arduino replacement |
| **ESP32-C5/C6** | RISC-V, Wi-Fi (C5: Dual-band), BLE, Thread/Zigbee | Advanced connectivity, mesh networks |
| **ESP32-H2/H4** | No Wi-Fi, BLE, Thread/Zigbee, low power | Ultra-low power applications, mesh networks |
| **ESP32-P4** | Ethernet, Dual-core RISC-V, H.264 encoder | Video processing, HMIs, industrial applications |
| **ESP32 Series** | **Key Features** | **Primary Use Cases** |
|---|---|---|
| **ESP32 (Classic)** | Dual-core, Wi-Fi, Bluetooth, BLE, DAC | Smart home, audio streaming, versatile projects |
| **ESP32-S2** | Single-core, Wi-Fi, USB-OTG, larger ADC | USB gadgets, low-cost IoT, cameras |
| **ESP32-S3** | Dual-core, Wi-Fi, BLE, AI extensions | Performance-focused IoT, AI/ML applications |
| **ESP32-C2** | Single-core RISC-V, Wi-Fi, BLE, low cost | High-volume, low-traffic devices (bulbs, sensors) |
| **ESP32-C3** | Single-core RISC-V, Wi-Fi, BLE, affordable | Battery-powered sensors, basic Arduino replacement |
| **ESP32-C5/C6** | RISC-V, Wi-Fi (C5: Dual-band), BLE, Thread/Zigbee | Advanced connectivity, mesh networks |
| **ESP32-H2/H4** | No Wi-Fi, BLE, Thread/Zigbee, low power | Ultra-low power applications, mesh networks |
| **ESP32-P4** | Ethernet, Dual-core RISC-V, H.264 encoder | Video processing, HMIs, industrial applications |
Documentation for the ESP32-2432S028R, nicknamed the "Cheap Yellow Display" (CYD), a 2.8" LCD with touchscreen. Includes setup, examples, troubleshooting, and community links.
