Hardware Design Guide for Chip Series 433M from Xinling Technology

Hardware Design Guide for Chip Series 433M from Xinling Technology

1. Considerations for 433M RF Hardware Design 1. Place matching circuit components close to each other and near the chip; if the matching circuit is too far away, it may lose its matching effect. 2. For a two-layer board, it is recommended that the line width of the matching circuit be 0.5mm, and the copper … Read more

Dissecting a 433MHz Remote Control Device: What is Rolling Code and the KeeLoQ Algorithm?

Dissecting a 433MHz Remote Control Device: What is Rolling Code and the KeeLoQ Algorithm?

The control gate of the underground water well pump at my hometown can be remotely controlled from a distance using a remote control. This way, when watering, one does not have to run over to push the gate, which is very convenient. Last time I went home, my mother said the accompanying remote control was … Read more

Outdoor Testing of Wireless Transmission and Reception Modules

Outdoor Testing of Wireless Transmission and Reception Modules

01 Wireless Transmission and Reception 1. Introduction Yesterday, I tested this micro 433MHz receiving module, which can read the transmitted coding information through programming the microcontroller. I am now preparing to conduct outdoor tests with a battery and the transmitting module. The LED status on the receiving module will indicate whether the reception is normal. … Read more

Detailed Explanation and Application Areas of 433m Wireless Module

Detailed Explanation and Application Areas of 433m Wireless Module

1. What is the 433m Wireless Module The 433MHz wireless transceiver module uses high-frequency RF technology, also known as the RF433 radio frequency small module. It consists of a single IC RF front end produced by All Digital Technology and an ATMEL AVR microcontroller, capable of high-speed data signal transmission. This miniature transceiver packages, error … Read more