Software Serial Pin Question - Garbage characters in Serial Monitor - Programming Questions - Arduino Forum
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AltSoftSerial Library, for an extra serial port
Communicate with Arduino • AranaCorp
Bluetooth HC-05(06) module
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Embedded System | ShareTechnote
Arduino Serial Communication using UART - YouTube
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HC-05 and HC-06 paired for use with Arduino – Russellweb
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ESP8266 and Arduino - SoftwareSerial vs Serial problem - Electrical Engineering Stack Exchange
