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Search YouTube for '10 cent microcontroller' to learn about the absolute cheapest chips. For £3.50 you can get an ESP32 module with WiFi and Bluetooth (e.g. ht
by bluescrn 1y ago
Search YouTube for '10 cent microcontroller' to learn about the absolute cheapest chips.
For £3.50 you can get an ESP32 module with WiFi and Bluetooth (e.g. https://thepihut.com/products/esp32-c3-mini-development-board https://thepihut.com/products/esp32-c3-mini-development-boar...)
(A regular Arduino board might still be the best choice if you're just learning/tinkering though)