These open-source ESP32 walkie-talkies use ESP-NOW to exchange audio recordings without a Wi-Fi router, with Arduino firmware ...
An open-source project uses ESP32-S3 boards to build walkie-talkies that send voice messages directly, without a router or ...
The whole build is one off-the-shelf board: an M5Stack PaperColor, which combines an ESP32 -S3 with a 4-inch, 600x400 colour ...
The trick is that an NES cartridge is not just storage like a CD. It sits directly on the console's bus, so the CPU runs code ...
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