The DIY Walkie-Talkie circuit diagram. (Credit: Clemens Valens, Elektor magazine) ESP-NOW is Espressif’s own network protocol that uses the same underlying hardware as 2.4 GHz WiFi and Bluetooth ...

The DIY Walkie-Talkie circuit diagram. (Credit: Clemens Valens, Elektor magazine) ESP-NOW is Espressif’s own network protocol that uses the same underlying hardware as 2.4 GHz WiFi and Bluetooth ...

Gifting either DIY STEM kit as a gift and joining them in the fun could spark kids’ interest in science, technology, engineering, or coding.