Low cost, Low power, Easily add a touch switch to any of your projects
The module is based on a touch-sensing IC (TTP223B) capacitive touch switch module. It can be installed in such as surface plastic, glass of non-metallic materials. Capacitive touch switch is great for your electronics project. It interfaces with Arduino really easily.
| Trigger setting mode | |||
| Key - A | Key - B | Lock mode | Out-put Level |
| open | open | No-lock | HI |
| open | short | Lock | HI |
| short | open | No-lock | LO |
| short | short | Lock | LO |
Feature:
- Low power consumption
- Power supply for 2 ~ 5.5V DC
- Can replace the traditional touch of a button
- A similar to a fingerprint Touch area
TTP223 Capacitive Touch Key Module 4-Lock Settable mode Switch Board
- Product Code: TTP223
- Availability: In Stock
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$0.48