Bluetooth Module HC-05 | Wireless Control Module India | RoboKreeda

Robokreeda HC-05 Bluetooth Serial Module (Master/Slave Configurable) The most trusted and widely used Bluetooth 2.0 EDR module – perfect for wireless Arduino projects, robot control from smartphones, PC-to-microcontroller communication, and DIY home automation. Key Features Genuine CSR BC417 chipset – stable and reliable Fully configurable as Master or Slave (via AT commands) Default baud rate: 9600 (easily changed to 115200 etc.) Working distance: up to 10–15 m (open space) Supports SPP (Serial Port Profile) – acts like a wireless serial cable On-board LED indicators: Power Connection status (fast blink = pairing, slow blink = connected) Built-in 3.3 V regulator level shifter – safe for 5 V Arduino Easy AT command mode (enter by holding KEY/EN pin high during power-up) Auto-connect to last paired device 6-pin header: VCC, GND, TXD, RXD, KEY/EN, STATE Technical Specifications Operating Voltage: 3.6–6 V (typically 5 V) Working Current: ~30 mA (pairing), < 8 mA (connected) Bluetooth Version: 2.0 EDR Default Password: 1234 or 0000 Dimensions: 43 × 16 × 9 mm Applications Smartphone-controlled robots & RC cars Wireless data logging Arduino Android MIT App Inventor projects PC-to-Arduino wireless programming Home automation (lights, fans via phone) Package Includes 1 × Robokreeda HC-05 Bluetooth Module (with backboard) Free 20 cm 6-pin jumper cable Connect your project to any phone in seconds — the legendary Robokreeda HC-05 remains the #1 Bluetooth module for every maker! Explore our Robot Car Kits and Arduino Kits to build complete robotics projects. FAQs: Q: Is this product compatible with Arduino? A: Yes, it works with Arduino and most microcontrollers. Q: Is it suitable for beginners? A: Yes, it is widely used in beginner and student projects.