{"id":26138025,"url":"https://github.com/zenitheesc/probe-cdh","last_synced_at":"2026-02-25T10:40:15.268Z","repository":{"id":103091571,"uuid":"358987448","full_name":"zenitheesc/Probe-CDH","owner":"zenitheesc","description":"Command data handling for space probes using 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unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["caurin","probe"],"created_at":"2025-03-11T01:44:35.675Z","updated_at":"2026-02-25T10:40:15.228Z","avatar_url":"https://github.com/zenitheesc.png","language":"HTML","readme":"# Probe-CDH\n\u003ch1 align=\"center\" style=\"color:white; background-color:black\"\u003eProbe-CDH\u003c/h1\u003e\n\u003ch4 align=\"center\"\u003e Telecommunication board for the Zenith's Stack architecture.\u003c/h4\u003e\n\n\u003cp align=\"center\"\u003e\n\t\u003ca href=\"http://zenith.eesc.usp.br/\"\u003e\n    \u003cimg src=\"https://img.shields.io/badge/Zenith-Embarcados-black?style=for-the-badge\"/\u003e\n    \u003c/a\u003e\n    \u003ca href=\"https://eesc.usp.br/\"\u003e\n    \u003cimg src=\"https://img.shields.io/badge/Linked%20to-EESC--USP-black?style=for-the-badge\"/\u003e\n    \u003c/a\u003e\n    \u003ca href=\"https://github.com/zenitheesc/Probe-CDH/blob/main/LICENSE\"\u003e\n    \u003cimg src=\"https://img.shields.io/github/license/zenitheesc/Probe-CDH?style=for-the-badge\"/\u003e\n    \u003c/a\u003e\n    \u003ca href=\"https://github.com/zenitheesc/Probe-CDH/issues\"\u003e\n    \u003cimg src=\"https://img.shields.io/github/issues/zenitheesc/Probe-CDH?style=for-the-badge\"/\u003e\n    \u003c/a\u003e\n    \u003ca href=\"https://github.com/zenitheesc/Probe-CDH/commits/main\"\u003e\n    \u003cimg src=\"https://img.shields.io/github/commit-activity/m/zenitheesc/Probe-CDH?style=for-the-badge\"\u003e\n    \u003c/a\u003e\n    \u003ca href=\"https://github.com/zenitheesc/Probe-CDH/graphs/contributors\"\u003e\n    \u003cimg src=\"https://img.shields.io/github/contributors/zenitheesc/Probe-CDH?style=for-the-badge\"/\u003e\n    \u003c/a\u003e\n    \u003ca href=\"https://github.com/zenitheesc/Probe-CDH/commits/main\"\u003e\n    \u003cimg src=\"https://img.shields.io/github/last-commit/zenitheesc/Probe-CDH?style=for-the-badge\"/\u003e\n    \u003c/a\u003e\n    \u003ca href=\"https://github.com/zenitheesc/Probe-CDH/issues\"\u003e\n    \u003cimg src=\"https://img.shields.io/github/issues-raw/zenitheesc/Probe-CDH?style=for-the-badge\" /\u003e\n    \u003c/a\u003e\n    \u003ca href=\"https://github.com/zenitheesc/Probe-CDH/pulls\"\u003e\n    \u003cimg src = \"https://img.shields.io/github/issues-pr-raw/zenitheesc/Probe-CDH?style=for-the-badge\"\u003e\n    \u003c/a\u003e\n\u003c/p\u003e\n\n\u003cp align=\"center\"\u003e\n    \u003ca href=\"#environment-and-tools\"\u003eEnvironment and Tools\u003c/a\u003e •\n    \u003ca href=\"#Z-Hub\"\u003eZ-Hub\u003c/a\u003e •\n    \u003ca href=\"#Block-Diagram\"\u003eBlock Diagram\u003c/a\u003e •\n    \u003ca href=\"#Schematic\"\u003eSchematic\u003c/a\u003e • \n    \u003ca href=\"#Board\"\u003eBoard\u003c/a\u003e\n\u003c/p\u003e\n\n## Environment and tools\n\nThis board was designed using KiCad 5.1.10.\n\n## Block Diagram\n\n\u003cp align = \"center\"\u003e\n\u003cimg src=\"https://github.com/zenitheesc/Probe-CDH/blob/main/Other_Files/Images/Diagram.png\"/\u003e\n\u003c/p\u003e\n\n## Z-Hub\n\nThis board contains a Stack Connector, with the 2021 Z-Hub pinout.\n\n\n\u003ctable align = \"center\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth colspan=2\u003e   Z-Hub 2021   \u003c/th\u003e\n    \u003c/tr\u003e\n  \u003c/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eGND\u003c/td\u003e\n      \u003ctd\u003eGND\u003c/td\u003e\n    \u003c/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eGND\u003c/td\u003e\n      \u003ctd\u003eGND\u003c/td\u003e\n    \u003c/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eBAT+\u003c/td\u003e\n      \u003ctd\u003eBAT+\u003c/td\u003e\n    \u003c/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSOl+\u003c/td\u003e\n      \u003ctd\u003eSOl-\u003c/td\u003e\n    \u003c/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e5V\u003c/td\u003e\n      \u003ctd\u003e5V\u003c/td\u003e\n    \u003c/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e3V3\u003c/td\u003e\n      \u003ctd\u003e3V3\u003c/td\u003e\n    \u003c/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMISO1\u003c/td\u003e\n      \u003ctd\u003eMOSI1\u003c/td\u003e\n    \u003c/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSCK1\u003c/td\u003e\n      \u003ctd\u003eCAN_H\u003c/td\u003e\n    \u003c/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSDA \u003c/td\u003e\n      \u003ctd\u003eCAN_L\u003c/td\u003e\n    \u003c/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSCL\u003c/td\u003e\n      \u003ctd\u003eCE02\u003c/td\u003e\n    \u003c/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCE11\u003c/td\u003e\n      \u003ctd\u003eCE12\u003c/td\u003e\n    \u003c/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSDA1\u003c/td\u003e\n      \u003ctd\u003eSCL1\u003c/td\u003e\n    \u003c/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSDA2\u003c/td\u003e\n      \u003ctd\u003eSCL2\u003c/td\u003e\n    \u003c/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eTX1\u003c/td\u003e\n      \u003ctd\u003eRX1\u003c/td\u003e\n    \u003c/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eTX2\u003c/td\u003e\n      \u003ctd\u003eRX2\u003c/td\u003e\n    \u003c/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eDIG1\u003c/td\u003e\n      \u003ctd\u003eDIG6\u003c/td\u003e\n    \u003c/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eALRT1\u003c/td\u003e\n      \u003ctd\u003e/CHRG\u003c/td\u003e\n    \u003c/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003ePWM\u003c/td\u003e\n      \u003ctd\u003eDIG8\u003c/td\u003e\n    \u003c/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e/FAULT\u003c/td\u003e\n      \u003ctd\u003eDIG9\u003c/td\u003e\n    \u003c/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eDIG5\u003c/td\u003e\n      \u003ctd\u003eDIG10\u003c/td\u003e\n    \u003c/tr\u003e\n  \u003c/tbody\u003e\n\u003c/table\u003e\n\n## Schematic\n\nThe design was separated in hierarchical sheets to accommodate all components in an orderly way.\n\nThe first page contains the STM32L476 with all its accompanying circuits; crystals, debugging LED, Boot solder jumper, decoupling capacitors and reset buttons. On the same page you find the stack connector along with a programming and debugging connector and an external GPS connector (can also be used for UART communication with external devices, it’s bad but it’s there).\n\n\n\u003cp align = \"center\"\u003e\n\u003cimg src=\"https://github.com/zenitheesc/Probe-CDH/blob/main/Other_Files/Images/Schematic_Page_1.png\"/\u003e\n\u003c/p\u003e\n\nThe second page contains the two LoRa and (G)FSK radios, one capable of 2 W off transmission power when fed with 6 V (obtained with the linear regulator), and the other capable of 160 mW, used as a backup or low power option. Both of them are based on the Semtech SX1262 transceiver, for operation at 915 MHz. The u-blox NEO-M8N also lives on this page, with its backup super capacitor for hot starts.\n\n\u003cp align = \"center\"\u003e\n\u003cimg src=\"https://github.com/zenitheesc/Probe-CDH/blob/main/Other_Files/Images/Schematic_Page_2.png\"/\u003e\n\u003c/p\u003e\n\nThe last page houses the remaining peripherals which include the SD Card, the 128 Mb Flash, the CAN Transceiver and the buzzer connector with its mosfet, which may also be used as an external actuator with a max current of 1 A (the mosfet actually handles up to 1,5 A but let’s not push it too far).  \n\n\u003cp align = \"center\"\u003e\n\u003cimg src=\"https://github.com/zenitheesc/Probe-CDH/blob/main/Other_Files/Images/Schematic_Page_3.png\"/\u003e\n\u003c/p\u003e\n\n\n## Board\n\n\u003cp align = \"center\"\u003e\n\u003cimg src=\"https://github.com/zenitheesc/Probe-CDH/blob/main/Other_Files/Images/Top.png\"/\u003e\n\u003c/p\u003e\n\n\u003cp align = \"center\"\u003e\n\u003cimg src=\"https://github.com/zenitheesc/Probe-CDH/blob/main/Other_Files/Images/Bottom.png\"/\u003e\n\u003c/p\u003e\n\n\u003cp align = \"center\"\u003e\n\u003cimg src=\"https://github.com/zenitheesc/Probe-CDH/blob/main/Other_Files/Images/Perspective.png\"/\u003e\n\u003c/p\u003e\n\n\n---\n\n\u003cp align=\"center\"\u003e\n    \u003ca href=\"http://zenith.eesc.usp.br\"\u003e\n    \u003cimg src=\"https://img.shields.io/badge/Check%20out-Zenith's Oficial Website-black?style=for-the-badge\" /\u003e\n    \u003c/a\u003e \n    \u003ca href=\"https://www.facebook.com/zenitheesc\"\u003e\n    \u003cimg src=\"https://img.shields.io/badge/Like%20us%20on-facebook-blue?style=for-the-badge\"/\u003e\n    \u003c/a\u003e \n    \u003ca href=\"https://www.instagram.com/zenith_eesc/\"\u003e\n    \u003cimg src=\"https://img.shields.io/badge/Follow%20us%20on-Instagram-red?style=for-the-badge\"/\u003e\n    \u003c/a\u003e\n\n\u003c/p\u003e\n\u003cp align = \"center\"\u003e\n\u003ca href=\"zenith.eesc@gmail.com\"\u003ezenith.eesc@gmail.com\u003c/a\u003e\n\u003c/p\u003e\n","funding_links":[],"categories":[],"sub_categories":[],"project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fzenitheesc%2Fprobe-cdh","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fzenitheesc%2Fprobe-cdh","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fzenitheesc%2Fprobe-cdh/lists"}