KR07061 3×3 Kapasitif Capasitive Keypad Button Arduino Touch Shield
Rp112.000
5 in stock
Description
3×3 Capasitive Button (1-9), The Touch Sense Shield makes use of the same interface technology as MP3 players, cell phones, and laptops capacitive sensing. The brain of the shield is an MPR121, a tiny, capacitive touch controller from Freescale Semicond.
3×3 Capasitive Button (1-9)
Item No. : KR07061
1. Introduction
The Touch Sense Shield makes use of the same interface technology as MP3 players, cell phones, and laptops – capacitive sensing. The brain of the shield is an MPR121, a tiny, capacitive touch controller from Freescale Semiconductors.
This board use the MPR121 as the main IC, this IC can connect 12 pads, 8 of the 12 pads can be used as the second functions (driving the leds),The supply voltage vary from 1.71v to 3.6v. The circuit can be as low as 29uA at the sampling rate of 16ms,The IC communicatie with the MCU Through interrupt or I2C.
2. Instructions
This board use the 3.3v voltage of the arduino board,it communicate with the arduino board through I2C,the voltage of the MCU’s IO is 5V, in order to compatible with the Touch board voltage, the board used 2 MOS FET to solve the problems.
SDA——A4
SCK——A5
interrupt——D2.
3. Datasheet : download MPR121 datasheet
Additional information
Weight | 0,01 kg |
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Skill Programming | Level 1 |
Skill Elektrikal | Level 2 |
Skill Robotika | Level 1 |
Skill DIY - Do it yourself | Level 1 |
Skill Soldering | Level 1 |