OMC's H19 fiber-optic shield has been adapted as a stackable add-on for the Arduino Uno ... the need for traditional components such as pin diode amplifiers and Schmitt triggers, which helps ...

This is an Arduino ... compatible EnviroDIY™ Mayfly Data Logger. Another non-trivial, but hidden limitation is that all interrupts are disabled during most of the transmission of each character, which ...

Place the SIM800L library folder into your \Documents\Arduino\libraries folder. You may need to create the libraries subfolder if its your first library. Restart the ...