Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Operating Voltage | 2.4V ~ 5.5V DC |
| Interface Protocol | I2C / Direct Key Output |
| Touch Channels | 16 Independent Keys |
| Operating Current | < 5mA (Active Mode) |
| Response Time | Max 60ms |
| Working Temperature | -20°C ~ 70°C |
| PCB Dimensions | 45mm x 28mm |
| Mounting Style | Through-hole Pins |
| LED Indicators | 16x Output Status LEDs |
| Package Contents | 1x Module, 1x Pin Header Strip |
Anonymous
Apr 04, 2026
Rating: 3/5
Works but needs calibration
Had issues with false triggers initially. Had to add grounding properly. Works now but tricky for beginners.
Anonymous
Mar 30, 2026
Rating: 5/5
Perfect for Arduino Projects
Works flawlessly with my Arduino Uno. The sensitivity is adjustable via capacitors. Great value for 16 keys.
Anonymous
Feb 26, 2026
Rating: 5/5
Reliable Touch Sensing
Replaced old mechanical buttons on a control panel. No wear and tear issues. Very responsive.
Anonymous
Feb 12, 2026
Rating: 5/5
Excellent Build Quality
PCB looks clean. Soldering points are well plated. Using it for a home automation keypad.
Anonymous
Jan 21, 2026
Rating: 4/5
Good module, slight learning curve
Functionality is solid. Took some time to configure the I2C mode correctly. Documentation online is scattered.
Q: Do you provide an Arduino library?
A: We do not host libraries directly, but many open-source TTP229 libraries are available on GitHub.
Q: Can I use this behind a 5mm glass panel?
A: Yes, capacitive touch works through non-conductive materials like glass or plastic up to certain thicknesses.
Q: Is there a sleep mode to save power?
A: Yes, the chip has a low-power mode when no touch is detected for a set period.
Q: Does this support 3.3V logic?
A: Yes, the module operates between 2.4V and 5.5V, so 3.3V systems are compatible.
Q: What is the default I2C address?
A: The address depends on the configuration pads. Please refer to the datasheet for setting ADDR pins.
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