{"id":17248121,"url":"https://github.com/atar-axis/tc1-u4","last_synced_at":"2025-09-07T01:39:46.447Z","repository":{"id":60676085,"uuid":"148078944","full_name":"atar-axis/tc1-u4","owner":"atar-axis","description":"Alternative FW for U4 (STC15 8051 uC) on TransistorTester TC1","archived":false,"fork":false,"pushed_at":"2023-11-02T21:40:18.000Z","size":134,"stargazers_count":33,"open_issues_count":2,"forks_count":8,"subscribers_count":10,"default_branch":"master","last_synced_at":"2025-04-04T09:04:12.012Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":"","language":"C","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"gpl-3.0","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/atar-axis.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":"2018-09-10T00:43:36.000Z","updated_at":"2024-11-14T21:12:50.000Z","dependencies_parsed_at":"2024-10-28T14:41:19.175Z","dependency_job_id":null,"html_url":"https://github.com/atar-axis/tc1-u4","commit_stats":null,"previous_names":[],"tags_count":4,"template":false,"template_full_name":null,"purl":"pkg:github/atar-axis/tc1-u4","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/atar-axis%2Ftc1-u4","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/atar-axis%2Ftc1-u4/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/atar-axis%2Ftc1-u4/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/atar-axis%2Ftc1-u4/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/atar-axis","download_url":"https://codeload.github.com/atar-axis/tc1-u4/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/atar-axis%2Ftc1-u4/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":273986611,"owners_count":25202704,"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","status":"online","status_checked_at":"2025-09-06T02:00:13.247Z","response_time":2576,"last_error":null,"robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":true,"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":[],"created_at":"2024-10-15T06:40:03.547Z","updated_at":"2025-09-07T01:39:46.415Z","avatar_url":"https://github.com/atar-axis.png","language":"C","funding_links":[],"categories":[],"sub_categories":[],"readme":"# TC1 U4\nAlternative firmware for U4 (STC15 8051 uC) on TransistorTester derivate TC1.\nUse in Combination with https://github.com/svn2github/transistortester\n\n## Compilation\n\nThis project is for Keil µVision IDE, which can be found here: http://www.keil.com/\nYou can either compile the fw yourself, use the latest precompiled fw in /Objects or download one of the released fw files.\n\n## Connection\n\nJust grab any kind of USB-to-UART(3V3) Adapter and hook up...\n* TXD (Stick) to P1,\n* RXD to P2 and\n* GND to GND\n\nAlternatively you can either desolder it and use some SOP8 ↔ DIP8 socket converter\nor a SOIC (SOP8) test clip.\n\n## Upload / Flashing\n\nDownload the STC-ISP Software here: http://www.stcmicro.com/rar/stc-isp6.86.rar  \nOpen it but leave everything as it is, except:\n* Input IRC frequency\nwhich is set to 12.000 MHz.\n\nPress \"Open Code File\" and select the firmware (u4.hex).\nPress \"Download/Program\" and hook up 3.3V from the programmer to the chips VCC (power the IC).\n\nWait for the firmware being uploaded.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fatar-axis%2Ftc1-u4","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fatar-axis%2Ftc1-u4","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fatar-axis%2Ftc1-u4/lists"}