KHN Solutions BTBLE40 Bluetooth Module for use with Breath Alcohol Detector User Manual BacTrack BLE Module Rev B System Overview
KHN Solutions Inc Bluetooth Module for use with Breath Alcohol Detector BacTrack BLE Module Rev B System Overview
Users Manual
![User’s ManualThis product is not meant for general use. It is intended for connection in a single embedded system.This device communicates with a BacTrack Breathalyzer over the 30 pin connecter interface. A proprietary UART communication protocol is used and it’s details are specified in “Smartphone_Protocol_Rev2.7.xlsx”.The following image describes the pinout for the 30 pin connector interface for this module. Connector Details:The mezzanine connector used on this module is the Panasonic AXK6F30547YG. The mating connector used for interfacing to this product is the Panasonic AXK5F30537YG.](https://usermanual.wiki/KHN-Solutions/BTBLE40/User-Guide-1943236-Page-1.png)
![The mating circuitry should interface to the module using a circuit similar to the following:Brief explanation of signal characteristics:- LED connections are open drain and should be connected as shown above.- SHUTDOWN has a logic high minimum of 1.6V:- SHUTDOWN: High (power on) (1.6V ~ 2.1V)- SHUTDOWN : Low (power is shutting down 50ms after high -> low transition) (0V ~ 0.5V)- TX 2.1V : High (1.6V ~ 2.1V)- TX 2.1V: Low (0V ~ 0.5V)- RX 2.1V :High (2.1V)- RX 2.1V: Low (0V ~ 0.5V)- VCC_2.1V should be used only for external level translationOther Operation Notes:- Current should be limited to below 35mA going into the LED Cathode signals.- V_USB should be provided in the range of 4.35V to 26V- A single 300mAh Lithium-Ion cell should be connected to V_BAT and should be present during all operation of the device.](https://usermanual.wiki/KHN-Solutions/BTBLE40/User-Guide-1943236-Page-2.png)
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