Learn how to use the HC-05 Bluetooth RS-232 transceiver module with Arduino. This user guide covers wiring, AT command mode, master/slave configuration, pairing with phones and other modules, serial communication...
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Learn how to use the MAX232 (SP3232) RS232 to TTL converter module with onboard LED indicators. Covers pinout, wiring to Arduino and other microcontrollers, RS232 basics, sample code, and troubleshooting.
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Learn how to set up and program the NiceRF SA818S-CE 1W analog RF transceiver module. This guide covers wiring, AT serial commands, CTCSS/DCS sub-tones, squelch and volume settings, power options,...
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