Basic Features (1) ISM and SRD frequency bands of 2400-2483.5 MHz (2) Maximum operating rate of 500 kbps, supporting 2-FSK, GFSK, and MSK modulation methods (3) High sensitivity (-101 dBm at 10 Kbps 1%) (4) Built-in hardware CRC error detection and point-to-multipoint communication address control (5) Low current consumption (13.3 mA in RX) (6) Programmable … Read more
Wireless modules are one of the most important components in modern wireless communication and are quite popular in the market. There are various types of wireless modules, each showcasing different functionalities. However, have you noticed that most high-end walkie-talkie wireless modules come with a metal casing? Do you know what role this metal casing plays … Read more
Here is a summary of the 315M wireless module’s reception program. #include <AT89X52.H> #include "string.h" // LCD Block #define LCM_RW P3_6 // Define pin #define LCM_RS P3_5 #define LCM_E P3_7 #define LCM_Data P1 #define Busy 0x80 // Used to detect Busy flag in LCM status word typedef int byte; typedef unsigned int word; void Read_Temp(void); … Read more
Click the image above “Chuangxue Electronics” to easily follow and learn electronic knowledge. Chuangxue Electronics Subscription Account Daily updates on technical articles in the electronics industry and the latest news on microcontrollers, allowing you to learn easily anytime, anywhere. This experience note was originally intended to be shared while writing my reflections on the Shanda … Read more
315M Transmission Circuit Principles In a static state, 12V provides voltage to the collector of Q2 through L1, R1, and the base-emitter of Q1. When data arrives, Q2 turns on, causing the emitter of Q1 to be at 0 potential, which means Q1 is initially off. When the emitter of Q1 is at 0 potential, … Read more
We are making daily toothbrushes more convenient in a new way. With the increasing richness of people’s material lives, the proportion of food in daily social life is also rising, and various oral care issues are becoming more prevalent. The first step in oral care is “brushing teeth”. So, how do we choose a toothbrush? … Read more
1. Introduction to EESkill NRF24L01 Wireless Module NRF24L01 is a wireless communication chip recently produced by NORDIC, using FSK modulation and integrating NORDIC’s own Enhanced ShortBurst protocol. It can achieve point-to-point or 1-to-6 wireless communication.The wireless communication speed can reach 2M (bps).NORDIC provides the GERBER files for the communication module, which can be directly processed … Read more
Today, I will dissect a DTU module for everyone. The wireless data terminal DTU module, fully known as Data Transfer Unit, is a type of IoT wireless data terminal specifically designed to convert serial data into IP data or to convert IP data into serial data, and transmit it via a wireless communication network. It … Read more
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
Overview of IT6339 WiFi Module 1T1R WiFi Module: This module supports dual-band 2.4G + 5G, compliant with 802.11a/b/g/n/AC; supports Bluetooth 4.1; equipped with PA amplification function. It has the following advantages: 1. Fast Speed: Supports the latest WiFi standards, 802.11a/b/g/n/AC; supports Bluetooth 4.1; 2. Strong Signal: Supports 5G WiFi, with less interference and faster speed, … Read more