SIM808 GSM + GPRS + GPS Cellular Module [Discontinued] _ARD_COMPAT_UNO an electret mic and mini

an electret mic and mini 8 ohm speaker will do quite nicely

it works with all of the 40-pin Raspberry Pi variants - 2/B+/A+/Zero - but using it with the Pi Zero makes for a super-tiny package

Required Pulse: 500us-2500us

this is a cute little 5" TFT display with WVGA 800x480 resolution and it has a resistive touchscreen overlay

As of May 8th 2015 - We're selling a revised FeeTech version with additional horns

SIM808 GSM + GPRS + GPS Cellular Module [Discontinued] _ARD_COMPAT_UNO an electret mic and miniThe SIM808 GSM GPRS Module is at the heart of our Adafruit FONA 808 Mini Cellular GSM + GPS Breakout. For people who want to integrate a cellular (GSM GPRS) module into their design without the full breakout, this hand solderable module is pretty nice! Please note we don't provide any tech support for this module, but we do have a schematic as well as a collection of datasheets and app notes that can be used to interface. Quad band 850 900 1800