Designed by Guimpt in Spain, the IoT HDMI Switch is an ESP32-C3-based open-source HDMI switch that integrates with Home ...

A Fool since 2019, and a graduate of Cal State LA with a B.S. in Finance and M.A. in Economics. Parkev is an adjunct professor of Finance and enjoys reading about financial and economic history.

A generic firmware for an ESP32 to be used as a Modbus TCP/IP gateway for any modbus RTU device. Default RX/TX pins for the TTL-RS485 communication are used from hardware-serial2 (check pinout of your ...

The test setup was powered with a lab power supply at 5.0 V, optionally at 3.7 V for rechargeable Li-ion batteries, or 12 V if the board supports it. The current was measured both with a UNI-T UT61E ...

C3.ai's stock has fallen hard -- but analysts still see triple-digit upside. Discover whether this beaten-down AI pioneer could be 2026's biggest turnaround story. Rick is a Wall Street Journal ...