| Price | $1 |
|---|---|
| Category | Sensors |
| Availability | In stock |
| Delivery | Shipped across Lebanon, or collect from the lab |
A capacitive touch pad on a small red board, built around the TTP223 chip. Touch the printed pad and the output goes high; lift off and it goes low - no moving parts to wear out and nothing to press. It runs on anything from 2 to 5.5V, drops into a low-power state after about twelve seconds with no touch, and senses through a thin non-metal cover, so you can hide it behind acrylic or a plastic panel and end up with a sealed, wipe-clean control surface.
Key features
- TTP223 capacitive touch IC
- 2 - 5.5V supply
- Momentary output - high while touched
- Senses through thin plastic or glass
- Drops to low-power mode after about 12 s idle
- 3 pins: signal, VCC, GND
Details
Specifications
| Chipset | TTP223 / TTP223B capacitive touch detector |
|---|---|
| Operating voltage | 2 - 5.5V DC |
| Output | Digital, active HIGH while touched |
| Mode | Momentary by default |
| Power | Low-power mode after about 12 s without touch |
| Sensing | Through a thin non-metal cover |
| Pins | 3 (SIG, VCC, GND) |
