{"id":18808791,"url":"https://github.com/woolseyworkshop/article-adding-digital-io-to-your-circuitpython-compatible-board","last_synced_at":"2026-01-10T00:30:15.753Z","repository":{"id":151343698,"uuid":"372042371","full_name":"WoolseyWorkshop/Article-Adding-Digital-IO-To-Your-CircuitPython-Compatible-Board","owner":"WoolseyWorkshop","description":"Adding Digital I/O To Your CircuitPython Compatible Board Article Resources","archived":false,"fork":false,"pushed_at":"2021-08-18T15:18:18.000Z","size":20,"stargazers_count":0,"open_issues_count":0,"forks_count":0,"subscribers_count":3,"default_branch":"main","last_synced_at":"2024-12-29T22:33:10.971Z","etag":null,"topics":["74hc165","74hc595","circuitpython","electronics","mcp23017","programming"],"latest_commit_sha":null,"homepage":"https://www.woolseyworkshop.com/2021/05/29/adding-digital-io-to-your-circuitpython-compatible-board-part-1-the-74hc595/","language":"Python","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/WoolseyWorkshop.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2021-05-29T18:16:52.000Z","updated_at":"2021-08-18T15:18:21.000Z","dependencies_parsed_at":"2023-06-02T18:00:21.508Z","dependency_job_id":null,"html_url":"https://github.com/WoolseyWorkshop/Article-Adding-Digital-IO-To-Your-CircuitPython-Compatible-Board","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/WoolseyWorkshop%2FArticle-Adding-Digital-IO-To-Your-CircuitPython-Compatible-Board","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/WoolseyWorkshop%2FArticle-Adding-Digital-IO-To-Your-CircuitPython-Compatible-Board/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/WoolseyWorkshop%2FArticle-Adding-Digital-IO-To-Your-CircuitPython-Compatible-Board/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/WoolseyWorkshop%2FArticle-Adding-Digital-IO-To-Your-CircuitPython-Compatible-Board/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/WoolseyWorkshop","download_url":"https://codeload.github.com/WoolseyWorkshop/Article-Adding-Digital-IO-To-Your-CircuitPython-Compatible-Board/tar.gz/refs/heads/main","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":239742811,"owners_count":19689386,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","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":["74hc165","74hc595","circuitpython","electronics","mcp23017","programming"],"created_at":"2024-11-07T23:14:18.643Z","updated_at":"2026-01-10T00:30:15.691Z","avatar_url":"https://github.com/WoolseyWorkshop.png","language":"Python","readme":"\u003ca href=\"https://www.woolseyworkshop.com\"\u003e\u003cimg src=\"https://www.woolseyworkshop.com/wp-content/uploads/WWSLogoTitleLines.png\" alt=\"Woolsey Workshop\" height=\"70\"\u003e\u003c/a\u003e\n\n# Adding Digital I/O To Your CircuitPython Compatible Board Article Resources\nThis repository contains resources related to the [Adding Digital I/O To Your CircuitPython Compatible Board](https://www.woolseyworkshop.com/2021/05/29/adding-digital-io-to-your-circuitpython-compatible-board-part-1-the-74hc595/) article series published on [WoolseyWorkshop.com](https://www.woolseyworkshop.com). It is a three-part tutorial describing how to add more digital inputs and outputs to your CircuitPython compatible board.\n\n## [Part 1 - The 74HC595](https://www.woolseyworkshop.com/2021/05/29/adding-digital-io-to-your-circuitpython-compatible-board-part-1-the-74hc595/)\nTeaches you how to add digital outputs using the 74HC595 8-bit serial-in parallel-out (SIPO) shift register IC.\n\n### [output_shift_register.py Program](output_shift_register.py)\nA CircuitPython program that interfaces a 74HC595 shift register IC to add digital outputs to a CircuitPython compatible board.\n\n### [Generic_74HC595 Schematic](Generic_74HC595)\nA KiCad schematic for a 74HC595 shift register IC, with LEDs attached to the outputs, connected to a generic CircuitPython compatible board.\n\n## [Part 2 - The 74HC165](https://www.woolseyworkshop.com/2021/07/02/adding-digital-io-to-your-circuitpython-compatible-board-part-2-the-74hc165/)\nTeaches you how to add digital inputs using the 74HC165 8-bit parallel-in serial-out (PISO) shift register IC.\n\n### [input_shift_register.py Program](input_shift_register.py)\nA CircuitPython program that interfaces a 74HC165 shift register IC to add digital inputs to a CircuitPython compatible board.\n\n### [Generic_74HC165 Schematic](Generic_74HC165)\nA KiCad schematic for a 74HC165 shift register IC, with an 8-position dip switch attached to the inputs, connected to a generic CircuitPython compatible board.\n\n## [Part 3 - The MCP23017](https://www.woolseyworkshop.com/2021/07/28/adding-digital-io-to-your-circuitpython-compatible-board-part-3-the-mcp23017/)\nTeaches you how to add both digital inputs and outputs using the MCP23017 16-Bit I2C I/O Expander With Serial Interface IC.\n\n### [port_expander.py Program](port_expander.py)\nA CircuitPython program that interfaces an MCP23017 port expander IC to add digital inputs and outputs to a CircuitPython compatible board.\n\n### [Generic_MCP23017 Schematic](Generic_MCP23017)\nA KiCad schematic for a MCP23017 port expander IC, with an 8-position dip switch and 8 LEDs attached to its GPIO pins, connected to a generic CircuitPython compatible board.\n","funding_links":[],"categories":[],"sub_categories":[],"project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fwoolseyworkshop%2Farticle-adding-digital-io-to-your-circuitpython-compatible-board","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fwoolseyworkshop%2Farticle-adding-digital-io-to-your-circuitpython-compatible-board","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fwoolseyworkshop%2Farticle-adding-digital-io-to-your-circuitpython-compatible-board/lists"}