For example, when you’re driving an ATV, paddling a kayak, or needing to check in with someone out of cell service quickly, that’s the niche walkie talkies fill. You just hit a button and talk into ...

Besides fun activities, walkie talkies are handy for scenarios where quickness and efficiency in conversations matter the ...

You can even turn the humble handheld device into a working walkie talkie. The build relies on adding a SA868 transceiver module to the ESPBoy, along with a microphone, speaker, audio amplifier ...

Push-to-talk button is recessed. USB-C charging. Plenty durable for our use case. Small (but not as small as other walkie-talkies). Lots of other walkies are cheaper. Not fully waterproof.

So why use ESP-NOW rather than WiFi or Bluetooth? Mostly because of range, power usage and convenience with no SSIDs and passwords to bother with. The DIY Walkie-Talkie circuit diagram.

Users can push-to-talk, instantly connecting with colleagues in much the same manner as old analog Walkie-Talkies, but with the added bonus of secure communication that's free from eavesdropping.