In the ESP32 module the built-in DAC and ADC are used ... The DIY Walkie-Talkie circuit diagram. (Credit: Clemens Valens, Elektor magazine) ESP-NOW is Espressif’s own network protocol that ...

For those looking to add wireless connectivity to embedded projects or to build IoT devices, there is perhaps no more popular module than the ESP32. A dual-core option exists for processor ...