Category: iot electronics

2 articles found

How a Raspberry Pi Talks to an ESP32 over MODBUS via UART: Frames, Addresses, CRC-16, Registers, Watchdog, and the I2C Chain, Based on an Embedded Systems Project at UnB

Learn how a Raspberry Pi controls an ESP32 over MODBUS/UART with CRC-16, registers, watchdog, and an I2C sensor.

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Pedro Druck

10/23/2026

Arduino and 21st-Century Education: DW Corp’s Pro Bono Workshop at Uniceplac Gama

How DW Corp’s pro bono Arduino workshop helped future teachers learn technology by doing at Uniceplac Gama.

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Danrley Pereira

5/28/2025