1. 从一块 1602 屏和一个 4x4 键盘说起：Arduino 单片机 LCD 与小键盘联动到底难在哪 如果你手上正好有一块 Arduino Uno、一块 1602 LCD（带 I2C 转接板或 16 针直插都行）和一个 4x4 薄膜小键盘，想把它们拼成一个「按键输入、屏幕回显」的小系统，那你大概率会在三个 ...

软件方面，Arduino IDE 1.8.x 或 2.x 都可以，需要安装两个库： LiquidCrystal （IDE 自带）和 Keypad （需要在库管理器里搜索安装）。 接线是整个项目里最容易出错的一步，我把它拆成两张表来看。 LCD1602 采用 4 位数据模式，只需要 6 根信号线加电源和对比度调节。

A collection of Arduino projects, embedded systems experiments, and circuit simulations. This repository contains reusable Arduino code organized by category, with each project accompanied by a ...

Flexible, Arduino Mega/Due/ESP8266/ESP32/STM32 based SmartHome controller with DMX-512 in/out, 1-Wire, Modbus, MQTT interfaces. OpenHab/HomeAssistant/ioBroker ...

Arduino Projects Explore the latest and most popular Arduino projects available with code, circuit diagrams, and detailed tutorials.

I created an "ADB to USB converter" using an Arduino Pro Micro + TMK firmware configuration, allowing me to use an old Mac ADB keyboard. Please refer to the following for the production article at ...

The promotional video for CircuitMess’s new MAKERphone 2.0 kit notes that today, smartphone users depend on their mobile telephones while simultaneously feeling alienated from them. According to ...

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Last time, I confirmed that each component was working properly with a simple program. This time, I will actually try watering. It took quite a long time due to program improvements and video editing.

Small displays are affordable and easy to use, but their size can present a challenge. To help address this, [mcer12] created PixelFonts, a family of condensed fonts designed specifically for ...