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MPR121 I2C touch module - 12 buttons - Adafruit 1982
The module with the MPR121 system that implements 12 of the capacitive touch buttons. Pins can be connected to any of the objects conducting the electric current. The board communicates over I2C, it enables, for example, to create a music tool from a fruit.
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Description
The module with the MPR121 system that implements 12 of the capacitive touch buttons. To the holes with the pitch of 2.54 mm, you can connect, using the wires, any conductive elements and create from them the keyboard. The device works with: metal tools, fruits, vegetables and water.
Botland is an official distributor of Adafruit electronics. These dependable American solutions cover sensors, controllers, Arduino shields, educational systems, smart building and a wide range of accessories. The Botland range holds original Adafruit products only.
The pins are holes for soldering the popular goldpin connectors - 2.54 mm pitch - strap is included in the kit for self-soldering.MPR121 chip operates with a voltage of 3 V, however, the board has a converter that allows you to connect 5 V to the pins of the I2C bus.
The product is compatible with Arduino Manufacturer has prepared auser manualalong witha library on the GitHub for Arduino users. |
Connection
| Pin | Description |
|---|---|
| VIN | Supply voltage from 3 V to 5 V |
| GND | The ground of the system. |
| SCL | Clock line of the I2C bus. |
| SDA | The data line of the I2C bus. |
| ADDR | Change of the address of the I2C bus:
|
Specification:
- Supply voltage: 3 V to 5 V
- Communications: I2C bus
- Address of the bus:0x5Aby default with the possibility of changes to 0x5B, 0x5C or 0x5D using the ADRR pin
- Built-in voltage converter - lines operate with a voltage of 5 V
- The holes are suitable for installation of the goldpin strap, pitch of 2.54 mm (in the kit for self soldering)
- 2 x Stemma QT
- Dimensions: 33 x 19 x 4 mm
Useful links
| Name | Value |
|---|---|
| Width | 7.5 cm |
| Height | 8 cm |
| Depth | 0.2 cm |
| Weight | 0.005 kg |
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30 days to return, without giving a reason
If the product does not meet your expectations, you have 30 days from receiving the parcel to withdraw from the contract. The product only has to be complete. The right of return belongs to consumers (a purchase unrelated to business activity).
Complaints
If the product turns out to be faulty, you can make a claim under the guarantee or the statutory warranty. We handle claims without delay, at the latest within 14 working days of receiving the report together with the goods.
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Instructions and documents
GPSR data
Product information
This product is a component intended for further assembly or prototyping. It is not a finished product within the meaning of the product safety regulations.
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