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HC-05 Bluetooth Module (Master+Slave)

70.00
The HC-05 module is a user-friendly Bluetooth device designed for seamless wireless serial communication. It can operate in either master or slave mode. This module is fully compliant with Bluetooth V2.0+EDR (Enhanced Data Rate) at 3Mbps, featuring a 2.4GHz radio transceiver and baseband. Powered by the CSR Bluecore 04-External single-chip Bluetooth system, it utilizes CMOS technology and supports AFH (Adaptive Frequency Hopping) for better signal stability. The module's compact size measures just 12.7mm x 27mm.  

IR Line Tracking Sensor Module

20.00
This IR reflective sensor module uses the TCRT5000 IR Sensor to detect color and distance. It consists of an IR transmitter and an IR receiver. The IR transmitter continuously emits infrared signals, which are reflected by nearby objects and then detected by the IR receiver.