{"id":16160538,"url":"https://github.com/chromeuniverse/esp32-calculator","last_synced_at":"2025-05-06T22:53:18.103Z","repository":{"id":53726821,"uuid":"321209818","full_name":"ChromeUniverse/ESP32-Calculator","owner":"ChromeUniverse","description":"An ESP32-based graphing calculator.","archived":false,"fork":false,"pushed_at":"2021-04-28T22:44:15.000Z","size":412,"stargazers_count":6,"open_issues_count":1,"forks_count":0,"subscribers_count":1,"default_branch":"main","last_synced_at":"2025-03-31T03:41:29.292Z","etag":null,"topics":["arduino","calculator","espressif"],"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/ChromeUniverse.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}},"created_at":"2020-12-14T02:24:24.000Z","updated_at":"2024-10-06T05:43:37.000Z","dependencies_parsed_at":"2022-09-01T22:31:43.815Z","dependency_job_id":null,"html_url":"https://github.com/ChromeUniverse/ESP32-Calculator","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/ChromeUniverse%2FESP32-Calculator","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/ChromeUniverse%2FESP32-Calculator/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/ChromeUniverse%2FESP32-Calculator/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/ChromeUniverse%2FESP32-Calculator/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/ChromeUniverse","download_url":"https://codeload.github.com/ChromeUniverse/ESP32-Calculator/tar.gz/refs/heads/main","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":252782475,"owners_count":21803382,"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","calculator","espressif"],"created_at":"2024-10-10T02:03:19.799Z","updated_at":"2025-05-06T22:53:18.084Z","avatar_url":"https://github.com/ChromeUniverse.png","language":"C","funding_links":[],"categories":[],"sub_categories":[],"readme":"# ESP32 Graphing Calculator\n\nA simple graphing calculator powered by the ESP32 SoC from Espressif.\n\nSoftware built with the Arduino IDE and Espressif's [ESP32 Arduino Core](https://github.com/espressif/arduino-esp32).\n\nThe most recent iterations of the ccalculator's software are based on a [Math Parser/Evaluator](https://github.com/ChromeUniverse/Math-Parser) I've written in C++.\n\nCreated solely for educational purposes. \n\n_Fun fact: roughly 3x faster than the Texas Instruments TI-84 Plus!_\n\n## Hardware\n* Generic ESP32 development board (any dev board should work)\n* 1.77\" 128x160 TFT LCD - ST7735S controller\n\n## Libraries\n* [Adafruit ST77xx library](https://github.com/adafruit/Adafruit-ST7735-Library)\n* [Adafruit GFX graphics libray](https://github.com/adafruit/Adafruit-GFX-Library)\n\n## Wiring diagram\nComing soon!\n\n## Feature list\n* Renders graphs of functions on the display\n\n## To-Do\n* Add a to-do lmao\n\n## Photos\n\nFunctions shown below:\n* Sine wave: y = 6 sin(x)\n* Parabola: y = (0.6 x)\u003csup\u003e3\u003c/sup\u003e - 5 x\n* Cubic funcion: y = (0.8 x)\u003csup\u003e3\u003c/sup\u003e - 5 x\n\nViewing window:\n```\nxmin = -10;\nxmax = 10;\nxscl = 1;\n\nymin = -10;\nymax = 10;\nyscl = 1;\n\nxres = (xmax - xmin)/tft.width();\nyres = (ymax - ymin)/tft.height();\n```\n\n![ESP32](https://i.imgur.com/NnfdsFd.jpg)\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fchromeuniverse%2Fesp32-calculator","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fchromeuniverse%2Fesp32-calculator","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fchromeuniverse%2Fesp32-calculator/lists"}