[Training Camp] [Internet of Things Practical Combat] Internet of Things Lantern - 520870A

The IoT lanterns implemented based on LCEDA and Tuya platform realize 0-code programming through the platform provided by Tuya, and use the mobile APP to control the light color and brightness. Later expansion can add more lights or develop with MCU.

Power module

This design uses USB5V power supply. Because the RGB lights and main control WB3S use 3.3V power supply, LDO is used to step down the 5V to 3.3V, and the components are powered through the filter capacitor.

Driver module

This design only cascades one RGB lamp, using a common anode connection method. It is connected to a MOS tube to form a switching circuit and increase the load capacity. The PWM small voltage drives a large current.

Main control module

This design uses the 0-code programming module WB3S (WIFI & BLE) provided by Tuya. 0-code can easily implement the Internet of Things. However, once the firmware is configured, it will be troublesome to upgrade later (it is recommended to buy it again), so you can use the 0-code programming module for multiple development. Enter the MCU to implement. ~~~~