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“Use a pair of packet radios to draw and then send pictures between the two devices without WiFi or Bluetooth. The Idea Reliance on certain wireless networks/protocols can add significant costs to a project, as well as limit how …
“The Adafruit PyGamer is a powerful platform for creating your own handheld games. It can be programmed in MakeCode, CircuitPython, and Arduino C++. However most of the games that have been developed for this platform have been single player games …
“Use two 915MHz radios to send/receive current environmental information and display it in real-time up to 350 meters away! Environmental Monitoring It’s almost gardening season, which means monitoring your plant beds for adequate sunlight, warmth, and pesky critters …
“These “2-bit” radio communicators provide a means to signal each other (as to where they are; if their done …) when shopping at opposite ends of a big box store; even where cell phones have no service or cell battery charge …