The DC5V 2 Channels Relay Module is similar to the 4-channel version but with two relay channels. It is suitable for projects requiring the control of two separate high-power devices, providing a reliable interface between microcontrollers.
This is an Active buzzer is present inside with shock source, so as long as the electricity will call 2 Program control convenient, single chip microcomputer a high and low level can make the sound, and the passive buzzer is can not do.
The EGS002 is a board unit designed for single-phase pure sine wave inverters. Using a single-phase pure sine wave inverter dedicated chip EG8010 as the control chip, the IR2110S driver With LCD Display.
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