The HC-05 bluetooth module is one of the best options for projects where you need wireless communications.
The transceiver module (transmission / reception) allows bluetooth wireless connections like master or slave, works in a transparent way as if we made a RS-232 TTL serial connection with cable.
- Chipset CSR BC417
- Food: 3.3.
- Bluetooth version V2.0 + EDR
- Frequency: 2.4GHz ISM band
- Modulation: GFSK
- Approx. Reach: 10m
- Security: Authentication and encryption
- Speed-> Asynchronous: 2.1Mbps (Max) / 160 kbps; Synchronous: 1Mbps / 1Mbps
- Supports AT commands for configuration through a serial port
- Working temperature: -20ºC to +75ºC
- Working current - pairing: 80 mA
- Transmission: 8mA
- Current sleep mode: <1mA
- Size: 28 x 12mm