{"id":20935859,"url":"https://github.com/nyh-workshop/esp32-i2clcd","last_synced_at":"2026-05-15T22:01:27.676Z","repository":{"id":172470677,"uuid":"121709684","full_name":"nyh-workshop/esp32-i2cLCD","owner":"nyh-workshop","description":"Small ESP32 program with demo I2C LCD code.","archived":false,"fork":false,"pushed_at":"2022-12-03T13:44:02.000Z","size":154,"stargazers_count":0,"open_issues_count":0,"forks_count":1,"subscribers_count":2,"default_branch":"master","last_synced_at":"2025-01-19T19:58:39.682Z","etag":null,"topics":["esp32","hd44780","i2c"],"latest_commit_sha":null,"homepage":"","language":"C++","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/nyh-workshop.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"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":"2018-02-16T03:01:06.000Z","updated_at":"2022-12-03T13:50:51.000Z","dependencies_parsed_at":null,"dependency_job_id":"83f70bc0-9079-43cf-b068-27631e1d56c9","html_url":"https://github.com/nyh-workshop/esp32-i2cLCD","commit_stats":null,"previous_names":["nyh-workshop/esp32-i2clcd"],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/nyh-workshop%2Fesp32-i2cLCD","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/nyh-workshop%2Fesp32-i2cLCD/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/nyh-workshop%2Fesp32-i2cLCD/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/nyh-workshop%2Fesp32-i2cLCD/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/nyh-workshop","download_url":"https://codeload.github.com/nyh-workshop/esp32-i2cLCD/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":243330259,"owners_count":20274037,"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":["esp32","hd44780","i2c"],"created_at":"2024-11-18T22:16:38.554Z","updated_at":"2025-10-20T00:50:45.042Z","avatar_url":"https://github.com/nyh-workshop.png","language":"C++","funding_links":[],"categories":[],"sub_categories":[],"readme":"# esp32-i2cLCD\n\n## Simple ESP32 program with I2C LCD.\n\nThe I2C adapter is commonly found in eBay. Plug a basic HD44780 LCD and you can print some text on the screen.\n\nThe sample program inside just prints \"Hello World!\" on the screen.\n\n### Connection: \n- SCL -\u003e pin 21 on ESP32\n- SDA -\u003e pin 22 on ESP32\n\n![alt tag](https://github.com/uncle-yong/esp32-i2cLCD/blob/master/i2c%20LCD.PNG)\n\n### Requirements:\n- ESP32-IDF\n- Visual Studio Code\n- I2C LCD module\n- Level shifter module (because the LCD module is +5V and the ESP32 is only working at +3.3V)\n\n## For more information of installing the toolchain w/ Visual Studio code, proceed to the hackaday page:\n1. https://hackaday.io/project/53259-deploying-standalone-esp32-idf-sdk-platform (without PlatformIO)\n2. https://hackaday.io/project/43374-esp32-idf-deploying-the-development-platform (with PlatformIO)\n \nMicrosecond delay code is from: https://github.com/espressif/arduino-esp32\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fnyh-workshop%2Fesp32-i2clcd","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fnyh-workshop%2Fesp32-i2clcd","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fnyh-workshop%2Fesp32-i2clcd/lists"}