{"id":18744642,"url":"https://github.com/wollewald/mcp23017_we","last_synced_at":"2025-04-12T21:32:38.239Z","repository":{"id":40758441,"uuid":"186130479","full_name":"wollewald/MCP23017_WE","owner":"wollewald","description":"Library for the MCP23017 and MCP23S17 I/O Expander","archived":false,"fork":false,"pushed_at":"2023-12-24T12:34:10.000Z","size":4392,"stargazers_count":44,"open_issues_count":1,"forks_count":5,"subscribers_count":5,"default_branch":"master","last_synced_at":"2025-03-26T15:54:28.906Z","etag":null,"topics":["arduino","arduino-library","attiny85","i2c","mcp23017","mcp23018","mcp23s17","mcp23s18","portexpander","spi"],"latest_commit_sha":null,"homepage":"https://wolles-elektronikkiste.de/en/port-expander-mcp23017-2","language":"C++","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/wollewald.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}},"created_at":"2019-05-11T12:31:06.000Z","updated_at":"2025-01-29T14:37:53.000Z","dependencies_parsed_at":"2023-10-29T02:30:15.419Z","dependency_job_id":null,"html_url":"https://github.com/wollewald/MCP23017_WE","commit_stats":null,"previous_names":[],"tags_count":35,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/wollewald%2FMCP23017_WE","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/wollewald%2FMCP23017_WE/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/wollewald%2FMCP23017_WE/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/wollewald%2FMCP23017_WE/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/wollewald","download_url":"https://codeload.github.com/wollewald/MCP23017_WE/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":248636221,"owners_count":21137401,"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":["arduino","arduino-library","attiny85","i2c","mcp23017","mcp23018","mcp23s17","mcp23s18","portexpander","spi"],"created_at":"2024-11-07T16:15:31.838Z","updated_at":"2025-04-12T21:32:37.074Z","avatar_url":"https://github.com/wollewald.png","language":"C++","funding_links":[],"categories":[],"sub_categories":[],"readme":"# MCP23017_WE\nThis is a library for the MCP23017, MCP23S17, MCP23018 and MCP23S18 I/O Port Expander.\n\nYou'll find some examples including the wiring (examples folder) which \nshould enable you to use the library. Furthermore I have added a list of commands.\n\nI have implemented an option to use it with an ATtiny and the TineWireM library. \n\nIn case you like this library it would be cool if you give it a star.\n\nIf you find bugs, please inform me!\n\n\u003cb\u003eImportant notice\u003c/b\u003e:\nIn 2022 Microchip has unfortunately updated the design of the MCP23017. \u003cb\u003eGPA7 and GPB7 have lost their input function\u003c/b\u003e:\u003c/BR\u003e\n![new_design_mcp23017](https://user-images.githubusercontent.com/41305162/232289151-890811c7-b6f1-40a1-af07-35e38afbcfbe.png) \u003c/BR\u003e\nYou can only use these pins as output. There is no change to the MCP23S17, MCP23018 and MCP23S18. \nYou find this information in latest datasheet:\nhttps://www.microchip.com/en-us/product/mcp23017\n\n\nWritten by Wolfgang (Wolle) Ewald\n\nhttp://wolles-elektronikkiste.de/portexpander-mcp23017 (German)\n\nhttps://wolles-elektronikkiste.de/en/port-expander-mcp23017-2 (English)\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fwollewald%2Fmcp23017_we","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fwollewald%2Fmcp23017_we","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fwollewald%2Fmcp23017_we/lists"}