[x] I am making an individual pull request for each suggestion
[x] I have used the correct spelling and capitalisation for BBC micro:bit, micro:bit, and Micro:bit Educational Foundation (resource title could be excluded if there is a good reason)
[x] The content linked is in English, or it contains an English translation
[x] I have added the new entry to the bottom of its the category
[x] I have used the following format:
Resource Title - Resource short Description (2 lines or less in total)
Resource description
MPR121 - Library for the MPR121 Capacitive Touch Sensor over I2C.
By submitting this pull request I confirm I've read and complied with the below requirements 🖖
BBC micro:bit,micro:bit, andMicro:bit Educational Foundation(resource title could be excluded if there is a good reason)