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Add Bluetooth to Arduino and ESP8266 easily using RYB2340 module

I’ve been testing out the RYB2340 Bluetooth module, and it’s honestly one of the simplest ways I’ve found to add wireless ...
EDN

Secured Bluetooth Low Energy Modules for the IoT

Silicon Labs has formalized its new BGM220x module with a size of only 6 × 6 mm. BGM220 is an embedded solution that comes with a fully upgradeable software stack, which has been pre-certified ...