ESP32 BLE Server. Set up a Bluetooth Low Energy device using the GATT architecture (Services & Characteristics). Enable data exchange with smartphone apps.
ESP32: How to use Bluetooth Low Energy (BLE) Server Communication Read More »
This ESP32 tutorial guides you through creating a dynamic, interactive Wi-Fi setup using the Serial Monitor that allows your ESP32 to scan for nearby networks.
ESP32: How to use Wi-Fi Scan, Select, and Connect Interactive Terminal Read More »
This tutorial shows how to programmatically retrieve the default Wi-Fi MAC address and how to permanently set a custom, user-defined ESP32 MAC address
ESP32: How to change and set the Wi-Fi MAC Address Read More »
Learn how to set up ESP32 I2C communication as a Master. Master SDA/SCL wiring, pull-up resistors, and use the Wire library to find device addresses.
ESP32: How to use the I2C Communication Read More »
Master ESP32 low power modes to maximize battery life. Learn the difference between Deep Sleep (μA), Light Sleep, and Hibernation, and how to use the RTC for wakeups.
ESP32: How to use the Low Power Modes Read More »
Learn how to use the Arduino EEPROM library on the ESP32 to emulate non-volatile storage. Master EEPROM.commit(), .put(), and .get() for persistent data (NVS).
ESP32: How to use the EEPROM Library for Flash Storage Read More »
Learn how to use ESP32 Flash Memory for persistent data storage like Wi-Fi credentials and settings. Focus on the Preferences library and the NVS module in the Arduino environment.
ESP32: How to use the Flash memory to store data permanently Read More »
The ESP32 allows the clock speed to be dynamically changed to optimize for either high-speed data processing or low-power efficiency. This tutorial details how to switch the CPU clock speed in the Arduino framework.
ESP32: How to change CPU clock speed Read More »
This tutorial details the ESP32 dual 8-bit DAC channels and demonstrates their use for generating simple voltage outputs and basic audio signals
ESP32: How to use DAC to generate true analog signals Read More »
Learn how to use the ESP32 microcontroller features a unique built-in Hall Effect Sensor located internally on the silicon chip.
ESP32: How to use Hall Effect Sensor with the Internal Magnetic Field Sensing Read More »
