TZT 3.5A DC-DC Converter Module Buck Step-Down Voltage Regulator Board 4.5V-27V to 3V 3.3V 3.7V 5V 6V 7.5 9V 12V DD2712sa

The EBYTE E220-900T22D is a high-performance LoRa wireless module designed by Chengdu Ebyte Electronic Technology Co., Ltd. Operating within the 868/915MHz frequency bands and delivering up to 22dBm of transmission power, this module leverages the LLCC68 chip for enhanced communication distance and robust anti-interference capabilities. The E220-900T22D supports multiple transmission methods, including fixed-point and broadcast transmission, and features a UART interface compatible with both 3.3V and 5V IO port voltages. Key functionalities include air wake-up, carrier monitoring, communication key encryption, and sub-package length settings. The module is designed for industrial applications with an operating temperature range of -40 to +85℃ and supports deep sleep mode with power consumption as low as 5μA. Its compact size (21mm x 36mm) and SMA antenna interface make it suitable for integration in various smart home, industrial sensor, and wireless control systems.

The MicroSD Card Adapter is a Micro SD card reader module for reading and writing through the file system and the SPI interface driver.

Real-time clock module with possible battery backup using the easy-to-use DS1302 chip.