Category: Programming
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ESP32 and multiple I2C buses
One of the advantages of the ESP32 microcontrollers over the competitions is dual-core architecture and two I2C buses. Yes, the I2C bus allows connecting multiple slave devices to single pair of SCL SDA wires. As long as slave device addresses are unique, everything will work just fine: OLED display, LM75 temperature sensor, MPU6050 gyroscope. However,…
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How to connect GPS to ESP32
Thanks to a very versatile Input/Output matrix, it is quite simple to connect NMEA GPS modules to ESP32 MCUs. Not only ESP32 boards have 3 serial ports you can choose from, they can be assigned to almost any pin you want. In this example we will connect a popular Ublox NEO-M8N like Beitian BN-880 or…