Category: esp32

Ultra WideBand RYUW122 Guide: Wiring Library Examples (Arduino/ESP32) 0

Arduino / Arduino programming environment / Arduino SAMD boards / esp32 / Library / RYUW122 UWB / Tutorial / UART

Precision Indoor Positioning with Ultra WideBand UWB, ESP32 & Arduino: Hardware & Basics

Achieve centimeter-level accuracy in your projects with the Reyax RYUW122 UWB module. This comprehensive guide covers the advantages of UWB over Bluetooth, detailed wiring diagrams for Arduino and ESP32, and a custom library to simplify development. From hardware setup to Anchor-Tag communication examples, learn how to master indoor positioning and distance measurement.

ESP32 and ESP8266: Sending Emails with Attachments (EMailSender v4.0.0 Library) with complete STARTTLS Support 0

Arduino programming environment / EMail / EMailSender (Send EMail with attachments) / esp32 / ESP32 S2 Tutorial / ESP32 Tutorial / esp8266 / esp8266 tutorial

How to Send Emails with Attachments on ESP32/ESP8266 (EMailSender v4.0.0 & STARTTLS)

And finally, the updated guide for using EMailSender v4.0.0 on ESP32 and ESP8266! This tutorial covers everything you need to know about sending secure emails from your ESP32 board using the new STARTTLS support on port 587.

0

Display / E-Ink / esp32 / Tutorial

SSD1683 eInk Display with GxEPD and ESP32 (and CrowPanel 4.2″ HMI): fonts, shapes, and images

Continuing our previous tutorial on configuring the ESP32 SSD1683 display and wiring, this article dives into text and shape rendering, demonstrating font scaling with setTextSize(), custom GFX fonts via setFont(), and drawing lines, rectangles, circles and rounded shapes. We’ll also cover converting images to 1-bit byte arrays with the online generator and displaying them on the E-Ink screen.

SSD1683 eInk Display with GxEPD and ESP32 (and CrowPanel 4.2" HMI): basics and configuration 0

Display / E-Ink / esp32 / Tutorial

SSD1683 eInk Display with GxEPD and ESP32 (and CrowPanel 4.2″ HMI): basics and configuration

ePaper displays offer ultra-low power consumption and paper-like readability, perfect for battery-powered and outdoor devices. The SSD1683 controller handles timing, waveforms, and pixel updates for crisp, ghost-free images. Learn how to connect an SSD1683 panel to an ESP32 with GxEPD, configure SPI, set display parameters, and perform full or partial updates on a CrowPanel 4.2″ HMI also.