How to Use the DS3231 Real-Time Clock (RTC) Module with an ESP32
To connect DS3231 with ESP32, you have to use the I2C protocol. The SDA and SCL pins of RTC modules are connected to GPIO 21 and 22 of the ESP32 respectively.
How to Set up and Program the ESP32 to Communicate with an Android Smartphone via Bluetooth
To control ESP32 from an Android phone via Bluetooth, first install the Bluetooth Serial Android application and pair your ESP32 from the phone settings.
What is ESP32-C3
ESP32-C3 is a single-core microcontroller unit that is based on 32-bit, 160 MHz Reduced Instruction Set Computer (RISC)-V architecture.
How Do I Use ESP IDF on Windows
ESP-IDF is an official framework for IoT Development and it can be easily used on Windows by installing it from the official website.
What is ESP32 DevKitC Dual Antenna – DEV-19900
ESP32 DevKitC Dual Antenna – DEV-19900 is an entry-level board with a low footprint. It is used in IoT applications and prototyping.
Can I Use ESP32 Without Arduino IDE?
Yes, ESP32 can be used without Arduino IDE. Programming languages such as C or Python, and IDEs such as Thonny IDE can also be used for this purpose.
Can ESP32 do ZigBee?
Yes, ESP32 can do ZigBee. All ESP development boards do not support ZigBee, ESP32-H2, and ESP32-C6 series support ZigBee.
ESP32 Pinout Reference – A Complete Guide
Understanding the pinout is important to work with the ESP32 board. This article is a complete guide on ESP32 pinout.
Can I Program ESP32 with C
Yes, it is possible to program ESP32 using C. Espressif provides a software development framework based on C called esp-idf to program ESP32 with C.
ESP32 Serial Communication over Bluetooth Using Arduino IDE
Serial communication can be done using Bluetooth. ESP32 features dual Bluetooth which can be configured in receiving data from multiple sources.
Maximum Voltage ESP32 Can Take
Maximum working voltage of ESP32 is 3.3V however we can also use voltage greater than 3.3V at its VIN pin. Using a VIN pin maximum of 15V can be applied.
ESP32 PWM with MicroPython Using Thonny IDE
To configure PWM signal in MicroPython we have to import PWM class from the machine module. PWM in ESP32 helps in getting analog results using digital signals.
How to Scan I2C Address in ESP32 Using Arduino IDE
I2C devices with ESP32 must have separate I2C addresses as two devices with the same address cannot be connected over a single I2C line.
Push Button with ESP32 – Arduino IDE
Push button can be interfaced with ESP32 using the digital input pins. Digital read function can read input from the push button. Find out more in this guide.
ESP32 Digital Inputs and Digital Outputs Using Arduino IDE
ESP32 can read and write digital data using the GPIO pins. ESP32 has multiple pins that can act both as digital input and output. Find out more in this guide.
ESP32 NTP Client-Server: Get Date and Time – Arduino IDE
ESP32 inbuilt timer is not so accurate so we can use NTP server to get real time of specific time zone and use it to execute instructions. Read more here.
ESP32 – Bluetooth Classic vs Bluetooth Low Energy (BLE)
ESP32 contains dual Bluetooth. Bluetooth classic for high end requirements and Bluetooth low energy for power saving applications. Find out more in this guide.
ESP32 with PIR Motion Sensor using Interrupts and Timers – Arduino IDE
A PIR sensor with ESP32 measures infrared (IR) light radiating from objects in its field of view. To trigger a response using the PIR millis function is used.
Connect to the Strongest WiFi Network in ESP32 Using WiFiMulti Function
ESP32 connects to multiple networks using WiFiMulti function. If connection discontinues it will connect to the next strongest network. Read more in this guide.
SPI (Serial Peripheral Interface) in ESP32 Using Arduino IDE
ESP32 has SPI pins by default however we can configure new pins for SPI.Two SPI buses VSPI and HSPI can be used for external peripherals.