This repository contains a few PlatformIO/pioarduino projects for a common mini ESP32-C3-based development board that sports an onboard 0.42" OLED display and a USB-C connector. The image above, ...

The SparkFun Qwiic OLED Arduino Library is a single graphics module that supports all SparkFun OLED boards based on the SSD1306 from Solomon Systech. Prior to this library, three different libraries ...

This Arduino-based dual-mode scientific calculator is a versatile and efficient tool for both basic and advanced calculations. In normal mode, it functions as a standard calculator, performing ...

[导读]16x2液晶显示模块是目前最常用的显示模块，我们已经与ESP32接口构建了一个互联网时钟。但这些类型的显示器是空间和功耗模块，不能用于可穿戴产品。这是另一种流行的显示模块，称为OLED，虽然它比16x2显示器稍微贵一点，但它是一个小而不耗电的模块。

Today, We will review the Cytron Maker Uno RP2040 development board combining the Arduino UNO form factor with the Raspberry Pi RP2040 microcontroller that makes it programmable with the Arduino IDE ...

Looking for a digital recreation of the classic analog volume unit (VU) meter? If you’ve got an Arduino, a few passive components, and a SSD1306 OLED, then [mircemk] might have the answer for you. As ...

Speedometers are used to measure the travelling speed of a vehicle. We previously used the IR sensor and hall sensor to build Analog speedometer and digital speedometer respectively. Today we will use ...