desertcart
Explore

$ 8.16

Price includes

Import Duties and Taxes. Free shipping available

From Guam

HALJIA MPR121 Breakout V12 Proximity Capacitive Detectors Touch Sensor Controller Module I2C Keyboard

0 ratings
Product ID: 86240043
Brand:
haljia
1
Add to cart$ 8.16
Spotted a better price elsewhere? Self ship it at cheapest rate!
Learn more

Easy Returns with desertcart PRO

30 day return window

Free replacements & exchanges

Hassle free one-click returns

Customer support

We’re available 24/7 to help you!

About the item

1.This is a breakout board for Freescale's MPR121QR2. The 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. 2.There a four jumpers on the bottom of the board, all of which are set (closed) by default. An address jumper ties the ADD pin to 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 don't require the pull-up resistors you can open the jumpers by cutting the trace connecting them. 3.There is no regulation on the board, so the voltage supplied should be between 2.5 and 3.6VDC. The VREG pin is connected through a 0.1uF capacitor to ground, which means, unless you modify the board, you can't operate the MPR121 in low-supply voltage mode (1.71-2.75VDC). Features: 1.Low power operation. 2.1.71 V to 3.6 V supply operation. 3.29 μA supply current at 16 ms sampling interval period. 4.3 μA Stop mode current. 5.12 capacitance sensing inputs. 6.8 inputs are multifunctional for LED driver and GPIO. 7.Complete touch detection. 8.Auto-configuration for each sensing input. 9.Auto-calibration for each sensing input. 10.Touch/release threshold and debounce for touch detection. 11.I2C interface 12.Size: 30mm x 20mm x 3 mm 13.Operating temperature range: -40°C to +85°C Packing List: 1*MPR121 Touch Sensor Module
  • Low power operation..
  • 1.71 V to 3.6 V supply operation..
  • 29μA supply current at 16 ms sampling interval period..
  • 3μA Stop mode current..
  • 12 capacitance sensing inputs..
Disclaimer: The price shown above includes all applicable taxes and fees. The information provided above is for reference purposes only. Products may go out of stock and delivery estimates may change at any time. desertcart does not validate any claims made in the product descriptions above. For additional information, please contact the manufacturer or desertcart customer service. While desertcart makes reasonable efforts to only show products available in your country, some items may be cancelled if they are prohibited for import in United Arab Emirates. For more details, please visit our Support Page.

Frequently Asked Questions About HALJIA MPR121 Breakout V12 Proximity Capacitive Detectors Touch Sensor Controller Module I2C Keyboard in Guam

Where can I buy HALJIA MPR121 Breakout V12 Proximity Capacitive Detectors Touch Sensor Controller Module I2C Keyboard online at the best price in the Guam?

desertcart is the best online shopping platform where you can buy HALJIA MPR121 Breakout V12 Proximity Capacitive Detectors Touch Sensor Controller Module I2C Keyboard from renowned brand(s). desertcart delivers the most unique and largest selection of products from across the world especially from the US, UK and India at best prices and the fastest delivery time.

Is HALJIA MPR121 Breakout V12 Proximity Capacitive Detectors Touch Sensor Controller Module I2C Keyboard available and ready for delivery in Guam?

desertcart ships the HALJIA MPR121 Breakout V12 Proximity Capacitive Detectors Touch Sensor Controller Module I2C Keyboard to Dededo, Yigo, Maina, Hagta, Mangilaoand more cities in Guam. Get unlimited free shipping in 164+ countries with desertcart Plus membership. We can deliver the HALJIA MPR121 Breakout V12 Proximity Capacitive Detectors Touch Sensor Controller Module I2C Keyboard speedily without the hassle of shipping, customs or duties.

Does desertcart have 100% authentic HALJIA MPR121 Breakout V12 Proximity Capacitive Detectors Touch Sensor Controller Module I2C Keyboard online?

desertcart buys HALJIA MPR121 Breakout V12 Proximity Capacitive Detectors Touch Sensor Controller Module I2C Keyboard directly from the authorized agents and verifies the authenticity of all the products. We have a dedicated team who specialize in quality control and efficient delivery. We also provide a free 14 days return policy along with 24/7 customer support experience.

Is it safe to buy HALJIA MPR121 Breakout V12 Proximity Capacitive Detectors Touch Sensor Controller Module I2C Keyboard on desertcart?

Yes, it is absolutely safe to buy HALJIA MPR121 Breakout V12 Proximity Capacitive Detectors Touch Sensor Controller Module I2C Keyboard from desertcart, which is a 100% legitimate site operating in 164 countries. Since 2014, desertcart has been delivering a wide range of products to customers and fulfilling their desires. You will find several positive reviews by desertcart customers on portals like Trustpilot, etc. The website uses an HTTPS system to safeguard all customers and protect financial details and transactions done online. The company uses the latest upgraded technologies and software systems to ensure a fair and safe shopping experience for all customers. Your details are highly secure and guarded by the company using encryption and other latest softwares and technologies.