51单片机控制微型热敏打印机打印汉字，采用KEIL C语言编程。程序调试完全好使，针对有字库的打印机。-51 single-chip micro-thermal printer control characters, using KEIL C programming language. Debugging completely so, for there is the printer font.

利用51系列单片机设计微型打印机，设计步骤，和简单的编程流程图-Designed to use 51 series single-chip micro-printer, the design steps, and easy flow chart programming

蜂鸣器是一种一体化结构的电子讯响器，本文介绍如何用单片机驱动蜂鸣器，他广泛应用于计算机、打印机、复印机、报警器、电话机等电子产品中作发声器件。-Buzzer electronic Xiangqi an integrated structure, this article describes how to use the microcontroller drive the buzzer, he is widely used in computers, printers, copiers, alar

以 PC 作为上位机，以调制解调器（Modem）、串行打印机、各种监控模块、PLC、摄像头云台、数控机床、单片机及智能设备等作为下位机广泛应用于测控领域。本文详细介绍利用 LabVIEW 实现 PC 与各种下位机设备串口通信的程序设计方法。-PC as the host computer to the modem (Modem), serial printer, a variety of monitoring modules, PLC, camera head, CNC machine tool