Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Operating Voltage | 2.0V to 5.5V |
| Output Current | Max 10mA |
| Response Time | Approx. 60ms |
| Interface Type | Digital Output (High/Low) |
| PCB Dimensions | 16mm x 16mm |
| Mounting Hole Diameter | 3mm |
| Sensitivity Adjustment | Via onboard capacitor pad |
| Compatible Platforms | Arduino, Raspberry Pi, ESP32 |
| Standby Current | Typically < 4uA |
| Package Includes | 1x TTP223 Module, 1x Header Pin Set |
Anonymous
Mar 30, 2026
Rating: 4/5
Solid performance
No complaints about functionality. The only minor issue is that the header pins were not pre-soldered, but that is expected at this price point.
Anonymous
Mar 21, 2026
Rating: 5/5
Easy to use for beginners
I am new to electronics and this was very easy to wire up. The documentation online is plentiful, and the module itself is compact and sturdy.
Anonymous
Mar 21, 2026
Rating: 5/5
Reliable capacitive switch
Used four of these for a custom control panel. They all performed consistently. The low power consumption is a huge plus for battery-operated devices.
Anonymous
Mar 17, 2026
Rating: 4/5
Good but needs calibration
Works well overall. I had to solder a small capacitor to adjust the sensitivity for my specific application, but once tuned, it is very reliable.
Anonymous
Mar 13, 2026
Rating: 5/5
Perfect for DIY projects
This sensor works flawlessly with my Arduino Uno. The response is instant and it detects touch even through a thin plastic case. Great value for the price.
Anonymous
Mar 06, 2026
Rating: 5/5
Great replacement for mechanical buttons
Replaced old mechanical switches in a project with these. No more clicking noise and they feel much more modern. Highly recommended.
Q: Does this come with jumper wires?
A: The package includes the module and a set of header pins for soldering. Jumper wires are sold separately.
Q: How do I increase the sensitivity?
A: You can increase sensitivity by soldering a larger capacitor (e.g., 50pF) to the designated sensitivity adjustment pad on the PCB.
Q: Is this compatible with 3.3V logic systems?
A: Absolutely. The operating voltage range is 2.0V to 5.5V, making it fully compatible with both 3.3V and 5V microcontrollers.
Q: What is the difference between TOG and ABM pads?
A: The TOG pad selects the output mode (toggle vs. momentary), while the ABM pad adjusts the response time. Please refer to the datasheet for specific soldering instructions.
Q: Can this module detect touch through glass?
A: Yes, the TTP223 can typically detect touch through thin non-conductive materials like glass or plastic, provided the material is not too thick.
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