This project is an advanced 4-channel relay module designed for home automation and IoT applications. Unlike standard relay boards, this design integrates an LM2596 buck converter for onboard ...
This PCB was planed for Sainsmart 4-Channel 5V Relay Module. It is alss possible to measure the current if ACS712 is connected to the prepared header. ACS Generic male header - 3 pins pin spacing ...
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World Education Statistics, UIS’s new annual series, highlights SDG 4 data across 11 themes and offers an interactive tool to explore indicators by country. Launch of the 2026 Survey of Formal ...
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