RS485 interfaces form a half-duplex network, typically using a two-wire system, often employing shielded twisted pairs for transmission. This wiring method allows a maximum of 32 nodes to be connected on the same bus topology. Initially, data was output as analog signals for simple process quantities, and the RS232 interface was used for instrument connections, … Read more
▲ For more exciting content, please click on the blue text above to follow us! Communication Methods Between Devices Generally, communication methods between devices can be divided into parallel communication and serial communication. The differences between parallel and serial communication are shown in the table below. Classification of Serial Communication 1. According to the direction … Read more
Reply to the official account with 【programmer】 to download the Bluetooth serial APP. Purchase Bluetooth Serial Module: https://item.taobao.com/item.htm?id=619731291566 After installing the Bluetooth module on the programmer, you can conveniently use your phone to view printed information and enter the console to execute various serial commands. This Bluetooth serial APP has practical functions such as saving … Read more
This article does not explain serial programming but discusses it from an application perspective. More often than not, products are ready, such as touch screens that need to communicate with controllers or PLCs. Ideally, once powered on, communication should be possible without too much operation and configuration. The latter part of the article lists some … Read more
Ways of Communication Between Devices Generally, the communication methods between devices can be divided into parallel communication and serial communication. The differences between parallel and serial communication are shown in the table below. Classification of Serial Communication 1. According to the direction of data transmission, it can be divided into: Simplex: Data transmission only supports … Read more
To enable the entire system to be as wireless as possible and reduce the number of connections to the PC, while leaving an interface for future mobile control, I chose the HC-05 Bluetooth module (shown below) to transmit serial control commands via Bluetooth. The usage of this module is referenced from “Arduino—HC-05 Bluetooth Module”. I … Read more
The programmer is equipped with a Bluetooth module, allowing control via a mobile APP, printing information, accessing the console, and sending serial commands. The RT809H programmer, RT809F programmer, and JT1199 programmer can be upgraded with a Bluetooth module to enable mobile viewing of printed information, mobile console access, and mobile serial commands. Standard Version: The … Read more
The programmer is equipped with a Bluetooth module, allowing control via a mobile APP, printing information, accessing the console, and sending serial commands. The RT809H programmer, RT809F programmer, and JT1199 programmer can all be enhanced with a Bluetooth module, enabling mobile viewing of printed information, console access, and sending serial commands. Standard Version: The baud … Read more
Communication Design Between HC-05 Bluetooth Module and Microcontroller 1. Basic Introduction The HC-05 Bluetooth module is a very practical wireless communication module, widely used in projects such as smart cars, remote control, and data collection. It features simple configuration and stable communication. This article will detail how to use the HC-05 Bluetooth module to achieve … Read more
After installing the Bluetooth module on the programmer, you can conveniently use your mobile phone to view print information and enter the console to execute various serial commands. This Bluetooth serial APP has practical features such as saving print information, sharing print information, setting font size, clearing screen information, entering the console, sending serial commands, … Read more