Imported from GitHub: GSO-soslab/alpha_hardware_release · commit f669aa7 · license CERN-OHL-S-2.0

Description

Alpha electornics schematics and CAD files

README

ALPHA Hardware Repositority

The ALPHA Eletronics Hardware design is released under CERN-OHL-S-2.0 Licence

Introduction

The most recent update:

• sbc_hat is a expansion board for single-board computers. It contains 8 RS232 ports (4 selectable between UART and RS232), 2 I2C buses, 2 ADC channels, and 5 direct GPIO connections. PDF schematics is available here

• thruster_driver is a breakout board for MCU (MicroMod RP2040). This board is designed for interface with ESCs to control the thruster and servos. The voltage sensing capability is available (using a voltage devider) to monitoring the voltage to the thrusters. Communication ports are I2C, RS232 and RS485. Two additional GPIO is available for Digital Output fucntion. PDF schematics is available here

• Battery management is a breakout board that uses diodes to allow battery pack parallization upto 4 packs. IMPORTANT: You cannot charge batter packs from the Vout port on the board

• alpha_power_distribution_board is a breakout board for distributing power sources for different devices on the ALPHA. You can plug in Pololu DC/DC circuit on the board with a 90 degree angled pin headers. A PDF schematics is available here

The detailed hardware information is available in the following links for users.

• PI setup guide: This document provide information on how to configure the chips on the sbc_hat PBC.

• sbc_hat

• thruster_driver

• alpha_power_distribution_board.

• Battery management