Where can i get an at command list for an hc05 module?

You can download product content from http://www.dsdtech-global.com/

What is the difference between this unit and the one you have for $9.49 without the jumper cables?

One contains a DuPont cable and the other does not.

Can i connect this to sensor trackers to send midi via bluetooth smart to an ios device?

hc-05 is a bluetooth 2.0 module. it don't support any iOS device. maybe you can try "DSD TECH HM-10 bluetooth module" it is bluetooth 4.0 ble module ,it support bluetooth smart and iOS .

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📡 Unlock wireless wizardry with HC-05 — your Arduino’s Bluetooth BFF!

DUAL MODE FLEXIBILITY - Switch between Master and Slave modes to control or be controlled by other Bluetooth 2.0 devices, expanding your project’s versatility.
TRUSTED BRAND SUPPORT - Backed by DSD TECH’s one-year warranty and expert technical assistance, so you’re never coding alone.
CUSTOMIZABLE COMMUNICATION - Enter AT command mode with a simple button press to tweak baud rates and settings, giving you full control over your wireless link.
ROBUST POWER COMPATIBILITY - Operates smoothly within a 3.6V to 6V range, ensuring stable performance across various DIY setups.
SEAMLESS ARDUINO INTEGRATION - Plug-and-play 6-pin Dupont cable included for effortless connection to your Arduino UNO, Nano, or MEGA boards.

The DSD TECH HC-05 is a classic Bluetooth 2.0 serial module designed for Arduino projects, enabling wireless control via Android devices. Featuring dual master/slave modes, a wide operating voltage of 3.6-6V, and easy AT command configuration, it comes with a 6-pin Dupont cable for quick setup. Ideal for makers seeking reliable Bluetooth connectivity with dedicated technical support and a one-year warranty.

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Brand	DSD TECH
Product Dimensions	5.08 x 3.81 x 0.25 cm; 5.67 g
Item model number	HC-05
Manufacturer	DSD TECH
Colour	Black, Green, Silver
Processor Type	80486
Processor Speed	2 MHz
RAM Size	2 MB
Computer Memory Type	EEPROM
Hard Drive Size	32 KB
Hard Drive Interface	USB
Wireless Type	Bluetooth
Voltage	5 Volts
Operating System	android
Are Batteries Included	No
Item Weight	5.66 g
Guaranteed software updates until	unknown

DSD TECH HC-05 Classic Bluetooth 2.0 Serial Wireless BT Module for Arduino UNO R3 Nano Pro Mini MEGA

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