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- Product Name: Touch Key Module Capacitive Switch Can Set Self-Locking Jog Mode TTP223
- Item NO.: TTP223Blue
- Weight: 0.1 kg = 0.2205 lb = 3.5274 oz
- Category: Electronic Modules > Sensor Module
- Tag: TTP223 , Touch Key Module , Capacitive Switch
- Creation Time: 2024-05-08
TTP223 Touch Button Module Capacitive Switch
Module Introduction:
This module is a capacitive touch switch module based on touch detection IC (TTP223B). This module outputs low level by default, and the mode is low power consumption mode; When touching the corresponding position with your finger, the module will output a high level, and touch it again to restore the low level. Switch the mode to fast mode; When there is no touch for 12 seconds, the mode switches to low power consumption mode. The module can be installed on the surface of non-metallic materials such as plastic and glass, and a thin sheet of paper (non-metallic) can be covered on the surface of the module. As long as the touch position is correct, keys can be made to hide in walls, desks, and other places. This module allows you to avoid the hassle of pressing conventional buttons.
Module Parameters:
● Touch surface specification: 1.4 * 1.4cm
● Equipped with modes: inching and self-locking
● Power supply voltage: 2.5-5.5V
● Penetration distance: about 5mm (non-metallic)
TTP223B Chip Parameters:
● Power supply voltage VCC: 2.0V~5.5V (typical value: 3V)
● Output high level VOH: 0.8VCC (typical value)
● Output low level VOL: 0.3VCC (maximum)
● Output pin current (@ VCC=3V, VOL=0.6V): 8mA (typical value)
● Output pin pull current (@ VCC=3V, VOH=2.4V): - 4mA (typical value)
● Response time (low power consumption mode): 220mS
● Response time (fast mode): 60mS
Please Note During Installation:
After fixing the module, power on it again, so that he can remember the thickness of the partition. After powering on, it takes about 1 s to stabilize. During this time period, do not touch the keys.
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