Arduino Mega
Screen and SD Reader
i2c 5v to 3v/5v level converter/splitter
Multiplexers
ShangSi MoudleCX TCA9548A i2c multiplexer
Sensors
see Sensors
Other
DIY 2.54 to 1.27 pin converter
ShangSi MoudleCX TCA9548A i2c multiplexer
see Sensors
DIY 2.54 to 1.27 pin converter