Base Module

Base Module

b: relevant height of module: 4mm
c: length of solder pin: 3mm
a: extra relevant height if battery option is used: 3mm
d: front edge to center of pin 1: 2mm
e: back edge to center of pin 12: 1.5mm

Device weight: 6 gram

2 x 12 socket board in the usual 2.54 mm grid fed,

distance of the two pin rows 33,02 mm.

WLAN Trailer Module

WLAN Trailer Module with Base Module

The WLAN Trailer Module has the same footprint as the base module. Stacked onto the base module, the complete unit comes to a height of 12 mm. As a stand alone module, it comes to 8 mm.

Weight WLAN Trailor Module: 8 gram

Weight WLAN Trailor and Base Module: 14 gram

SD Trailor Module

SD Trailor with Base Module

The SD Card Trailer Module has the same footprint as the Base Module.

Weight SD Trailor Module: 8 gram

Weight SD Trailor and Base Module: 14 gram

Combined WLAN and SD Trailer and Base Module

SD Trailer and Base Module

The Avisaro stacking system allows to build full featured systems by simply adding functionality. This example shows (bottom to top):

1. User PCB – i.e. user specific IO drivers, interface boards, …
2. SD-Card Trailer to read and write SD Memory Card.
3. Spacer to give base module enough distance. These are simple 2.54 precision type PCB connectors.
4. Base Module with all the drivers and smartness to operate the SD-Cards, WLAN interface and user logic.
5. WLAN Trailer module to communicate wirelessly.

Weight SD + WLAN Trailor Module, Spacer and Base Module: 22 gram

Detach any trailor module from the Avisaro Base Modul - the one with the processor on board. This can be done by using a plastic or wood stick inserted between base and trailor module. Twist the stick carefully to lever the two apart. DO NOT BEND THE PINs - they break easily.