ESP32 modules often have “integrated antennas” printed on the PCBs. But, at times, you might need improved Wi-Fi range. A solution can be an external antenna, but not every module has a socket for ...

ESP32 is a tiny cheap 8$ module with a dual core 32-bit CPU and built in Wi-Fi and dual-mode Bluetooth with sufficient amount of 30 I/O pins for all basic electronics projects. All these features are ...