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Grove I2C Touch Sensor - 12-channel module with a touch sensor
ID: 583140
Module with a 12-channel capacitive touch sensor MPR121 in a set with 4 touch probes. The board is equipped with a Grove connector and communicates via the I2C interface. Seeed Studio 101020047
Description
Module with a 12-channel capacitive touch sensor MPR121. The sensor combines two functions: capacity measurement and touch detection. Constant current capacitance sensing allows you to measure capacitances from 10 pF to over 2000 pF with a resolution of 0.01 pF. After collecting data on the electrode capacity, the sensor determines whether the electrode has been touched or released by comparing it with a baseline value of the capacity. The module has 12 completely independent electrodes with built-in auto-configuration and an output that generates a break. To each of the channels, the user can connect a touch probe (4 touch feelers in kit) and create a touch keyboard. The board is equipped with a Grove connector, so it can be used with the Base Shield V2 and Arduino extension. The module communicates via the I2C interface and is supplied with the voltage of 3.3 V or 5 V. Full documentation of the module with examples of use is available on the product page.
Features
- Internal 10-bit ADC
- Integrated independent auto-calibration for each electrode input
- Completely independent electrodes with built-in auto-configuration
- I2C interface, with IRQ interrupt, interrupt output informing about the change of the electrode state
- 12 inputs for electrode and capacity detection
- Autoconfiguration of the charging current and charging time for each electrode input
- Separate trip and trip thresholds for each electrode, ensuring hysteresis and electrode independence
- Capacitance measurement from 10 pF to over 2000 pF
- Resolution 0.01 pF
- I2C interface
- I2C address: 0x5A
- Supply voltage: 3.3 V or 5 V
Kit contains
- Grove I2C Touch Sensor module
- 4 x touch fellers
583140
Manufacturer BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
Responsible person BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
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