If you're looking to take the plunge into the world of ESP32 devices, then here's a basic overview of what you need to know.

An undocumented set of low-level commands has been discovered in the ESP32 microchip, a widely used component in IoT devices. Manufactured by the Chinese company Espressif, the ...

We began our journey of developing a reliable, user-friendly energy meter leveraging the ESP32 microcontroller. In our previous installment, “Prototyping an ESP32-Based Energy Meter," we discussed the ...

An I2C active pullup that addresses the inverse relationship between bus speed and pullup resistance while offering ~75% power savings.

RelayFi ESP32-WROOM 4 channel relay board 9:36 am January 17, 2023 By Julian Horsey Hobbyists, electronic enthusiasts and makers may be interested in a new 4 channel relay board aptly named the ...

Board ESP32-C3-WROOM-02 Device Description The module is mounted on a custom PCB, along with 3 i2C sensors, a OLED display and a i2S based SPH0645 microphone. All GPIO are being used. Hardware Conf ...

LOLIN S3 Pro is a WiFi & Bluetooth LE IoT board built around the ESP32-S3-WROOM-1 modules with various I/Os including a display port, a microSD card slot, and a LOLIN I2C connector. The wireless ...

The ESP32 DevKitC V4 is now selling with the ESP32-WROOM-DA module with two PCB antennas that was introduced last year in order to offer a longer WiFi range and better reliability. The development kit ...

This handles wind speed and direction, as well as measuring rainfall. A custom PCB hosts an ESP32-WROOM module and an Ai-Thinker Ra-02 LoRa module for control and connectivity respectively.