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by leggomylibro
3243 days ago
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It's amazing how hard it is to find a workable cellular SoC. Wifi? ESP8266s are $2-4 a pop and the Pi Zero W is $10 if you can actually find one. Bluetooth? An NRF51822 will only set you back $3-5, and it has a nice and simple Cortex-M0+ for the logic. And the ESP32 has wifi and bluetooth on the same module. GSM? It's being phased out worldwide so modules are being offloaded very cheaply, if your project doesn't need to be connected for long into the future. But 3G/LTE? It's easier to find an HDMI receiver that'll process HDCP. Nevermind something hand-solderable... |
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