Spark-Fun XBee Explorer USB ESP-01S DHT11 Temperature Humidity Sensor module Premium Digital Multimeter from The

Premium Digital Multimeter from The Engineer Store

you would need three separate PZEM-004T units (one per phase) or upgrade to a three-phase energy meter like the PZEM-003S or industrial three-phase meters

To set up the Waveshare RPi Camera (I)

Driver IC MAX7219 x 4 (cascaded via SPI) LED Matrix Configuration 4 x (8x8) = 32x8 pixels (total 256 LEDs) LED Color Red (common cathode) Interface SPI (DIN

Spark-Fun XBee Explorer USB ESP-01S DHT11 Temperature Humidity Sensor module Premium Digital Multimeter from TheSpark Fun XBee Explorer USB The Spark Fun XBee Explorer USB is a professional grade development board that enables seamless communication between XBee wireless modules and personal computers via USB interface, eliminating the need for external serial to USB converters. IoT developers, embedded systems engineers, and RF communication specialists rely on this tool to prototype, configure, and troubleshoot XBee based wireless networks with precision