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MPR121 Capacitive Touch Sensor Controller Module - I2C Keyboard
SKU:
MOD-QC1157
Availability:
9
In Stock
- Rs. 62.00
- Rs. 62.00
- Unit price
- per
Subtotal:
Rs. 62.00
Description
xThis MPR121 is a capacitive touch sensor controller driven by an I2C interface. The chip can control up to twelve individual electrodes, as well as a simulated thirteenth electrode The MPR121 also features eight LED driving pins, when these pins are not configured as electrodes, they may be used to drive LEDs. There are four jumpers on the bottom of the board, all of which are set (closed) by default. An address jumper ties the ADD pin to the ground, meaning the default I2C address of the chip will be 0x5A. If you need to change the address of the chip (by shorting ADD to a different pin), make sure you open the jumper first. Jumpers also connect SDA, SCL, and the interrupt pin to 10k pull-up resistors. If you do not require the pull-up resistors you can open the jumpers by cutting the trace connecting them.
Features:
- Capacitive touch sensor controller driven by an I2C interface.
- Can control up to twelve individual electrodes, as well as a simulated thirteenth electrode.
- Eight LED driving pins.
- Connection to the microcontroller /microprocessor via I2C bus.
Specifications:
| Operating Voltage |
2.5 to 3.6VDC |
| Color |
Black |
| Material |
Alloy+Plastic |
| Interface |
I2C |
| Length (mm) |
30 |
| Width (mm) |
20 |
| Height (mm) |
2 |
| Weight (gm) |
10 |
| Shipment Weight |
0.010 kg |
| Shipment Dimensions |
5 5 1 cm |
Shipping & Return
xReturns Policy
Due to the type of products we sell, we accept limited returns. Below are the conditions where we can accept a return request.
1. Damaged During Shipment
If you receive a product damaged during shipment, please notify us within 3 days of receiving the product, supported by proper pictures and a description. Once our support team accepts the return, we will provide a replacement or a complete refund, including the return shipping cost.
2. Wrong Item Shipped
If your item looks different from what is shown in the image on our website, we will take the item back and provide a refund or replacement as per your choice.
Limitation of Returns
We don’t accept returns for products damaged due to improper use. Moreover, we don’t accept returns if the ordered product is not suitable for a specific application. Please read the product specifications and datasheet carefully before placing an order. Returns are accepted only within 3 days from the date of delivery.
Shipping
We ship all over India with free shipping on all prepaid orders above ₹500. For Cash on Delivery (COD) orders, ₹80 will be charged for orders below ₹599 and ₹30 for orders above ₹599.
For any questions related to shipping, please contact our support team at support@quartzcomponents.com.
Note: The minimum order value for COD orders is ₹500.
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