Renzo Mischianti Articles

Arduino UNO/Mega and Ethernet: Sending Emails with Attachments 0

Arduino / Arduino programming environment / EMail / EMailSender (Send EMail with attachments) / Tutorial

Arduino UNO/Mega and Ethernet: Sending Emails with Attachments (EMailSender v4.0.0 Library)

Welcome to this updated guide for sending emails with Arduino UNO and Mega using my EMailSender v4.0.0 library. This article is an evolution of the previous one, focusing on the new library version and introducing a robust and reliable solution for boards with low RAM.

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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.

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