A resistor in the cloud is worth two in the hand.

This library reads the channels of the MCP3302 and MCP3304 ADC convertors. The devices have 4 or 8 channels, 13 bit and communicates with SPI. The library supports both hardware SPI and software SPI.

This library is to convert radiation (absorption) units between Gray and Rad, and to convert (dose equivalent) units between Sievert and Rem. The library was primary written for educational purpose ...

A lot of making goes on in this community these days, but sometimes you’ve just gotta do some old fashioned hacking. You might have grabbed an old Speak and Spell that you want to repurpose ...