1. Features: - With 8 x Capacitive touch buttons 1 x Capacitive touch slider; - Uses touch sensor chip TTP229-LSF chip this touch IC supports 16 touch buttons adjustable touch sensitivity built-in LCO; - When all buttons without operation (about 4.0s) the chip system will recalibrate; - Input button number: 8 or 16; - Output mode: 8-port direct output or serial output; - Button working mode: single or multiple buttons; - The sampling rate and sampling length of working mode; - Effective button longest output time. 2. Parameters: - Connector: I2C or I/0; - Effective button: 8/16; - Sampling rate: 8Hz/64Hz; - Anti-static electricity capacity HDM: 6KV; - Working voltage: 2.4~5.5V; - Working temperature: -40’C~+85’C; - Storage temperature: -50’C~+125’c; - Module dimension: 4.7 x 6.8cm; - Fixing hole dimension: 3 x 3mm. 3. Instructions: - After power-on have about 0.5sec stable-time during the time do not touch the key pad and the function is disabled; - 16-Key mode: when all wires short circuit output data by serial interface and the touch slider is available; - 8-Key mode: wire SLWPTM and WPSCT short circuit (other wires cut off); input data by the OUT0-OUT7. 4. Application: Wide consumer products; Button key replacement.