Alto35 Board, with Screen

In stock

Alto35 Board with Screen is an expansion board for any Overo COMs ideal for handheld-sized, touchscreen-driven projects.

This version of the Alto35 Board is deprecated because it mates only with Overo COMs using the discontinued AVX connectors, manufactured before January 2020.

Overo COMs manufactured since January 2020 use Panasonic connectors. The correct version, the Alto35 B, will be available soon.

Alto35 Board, with Screen Accelerometer

This board is Ideal for handheld-sized, touchscreen-driven projects, the Alto35 display set offers LED indicators, tactile switches and an accelerometer, in addition to audio in and out.

Alto35 board is built in Geppetto, the Alto35's open-source design can easily be tailored to virtually any set of requirements.

Included Components
Alto35 Expansion Board

This expansion board, built by Geppetto, uses our new line of 3.5" displays from In Touch, and includes accelerometer, audio jacks, RC Servo connections, LED's and pushbuttons.

3.5 inch In Touch TFT LCD with touch screen

3.5 inch In Touch TFT LCD with touch screen


3D Accelerometer


3.5V - 5V

USB Console Port


USB Device

1 x USB Mini-B (client mode only)

Key Components
RC Servo Connector

This 3-pin header allows an RC servo to be connected to the expansion board.

Texas Instruments TPS62111 Step-Down Converter

A low-noise synchronous step-down DC-DC converter. Component Max Vin: 17V, 1.5A.


Connect to an RS232 serial terminal over USB with the FTDI FT232RQ interface

ST LIS33DE 3-Axis Nano Accelerometer

An ultra-compact, low-power three-axis linear accelerometer providing signals over I²C.

Mating Connectors
70-Pin AVX Connectors (Female – Overo Expansion)

Connect an Overo COM to an expansion board with these 70-pin AVX connectors.


Please read the instructions in the README file carefully before starting. Instructions and functions are explained in the file.

Files that are needed (such as bootloader and operating system) to create a bootable disk image, are available below.

Our Support page links additional resources.

Software Version:

COVID-19 has affected our supply chain. Please expect delays on your orders while we do everything we can to fulfil them.