View source for Touch Sensor Holtek BS8112A/BS8116A I2C

[[Image:TArduinoHoltekTouchSensor.png]]

== Summary ==  
I2C-controlled touch sensor module with up to 12 channels, each configurable with threshold and wakeup options.  

== Description ==  
The **Holtek BS8112A/BS8116A Touch Sensor** provides up to 12 capacitive touch input channels accessible via I2C.  
Each channel can be individually configured with a touch **Threshold** and **Wakeup** option for low-power applications.  
This sensor is suitable for touch buttons, sliders, or other human interface devices.  

<b>Diagram:</b>  

[[Image:TArduinoHoltekTouchSensor.Preview.png]]


== Properties ==  
*'''Address''' – I2C address of the sensor.  
*'''Enable Interrupt Pin''' – Enable interrupt pin for channel changes (boolean).  
*'''Enabled''' – Enable or disable the sensor (boolean).  
*'''Type''' – Sensor type selection (BS8116A or BS8112A).  

=== Channel Properties ===  
Each channel (Item[0] to Item[11]) has:  
*'''Threshold''' – Touch sensitivity threshold (default 0.145).  
*'''Wakeup''' – Wake the controller on touch event (boolean).  

== Pins ==  

=== Output Pins ===  
* Channel[0] – Digital output.  
* Channel[1] – Digital output.  
* Channel[2] – Digital output.  
* Channel[3] – Digital output.  
* Channel[4] – Digital output.  
* Channel[5] – Digital output.  
* Channel[6] – Digital output.  
* Channel[7] – Digital output.  
* Channel[8] – Digital output.  
* Channel[9] – Digital output.  
* Channel[10] – Digital output.  
* Channel[11] – Digital output.  
* Low Current – Digital output indicating low current mode.  

=== I2C Pins ===  
*'''Control (I2C)''' – I2C communication pin for sensor control.  

== Categories ==  
*[[Image:TArduinoI2CCategory.png]] [[Category I2C]] – Components controlled via I2C bus.  
*[[Image:TArduinoDigitalCategory.png]] [[Category Digital]] – Components handling digital logic signals.  

[[Category:Components]]