{"id":19508451,"url":"https://github.com/red-scorp/fan-shim","last_synced_at":"2026-06-19T09:32:21.268Z","repository":{"id":170052909,"uuid":"334726114","full_name":"red-scorp/FAN-SHIM","owner":"red-scorp","description":"FAN-SHIM (mini-HAT), support board for axial fans to cool Raspberry 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FAN-SHIM project\r\n\r\nFAN-SHIM (mini-HAT), support board for axial fans to cool Raspberry Pi.\r\n\r\nSome Pis not require cooling because their CPUs are running in low performance mode.\r\nSome Pis are good with simple passive heat sinks alone.\r\nIt's generally recommended to use active coolers, specially if you run Pi's CPU over-clocked.\r\n\r\nThis boards are designed to be used with standard axial funs with Pi's \"Dupont\" and standard PC's \"Molex\" connectors.\r\n\r\n## FAN-zero30-SHIM\r\n\r\nRaspberry Pi zero 40-pin **FAN-zero30-SHIM** mini-HAT.\r\n\r\nPreview:\r\n\r\n![FAN-zero30-SHIM preview](img/FAN-zero30-SHIM.png)\r\n\r\n[Schematics in PDF format](doc/FAN-zero30-SHIM.pdf)\r\n\r\nFeatures:\r\n\r\n- locked Pi headers\r\n- 30mm axial fan\r\n- 5V and 3.3V fan power selection\r\n- fan tacho and PWM signal selection\r\n- Pi zero board style\r\n- can be used as SHIM (no headers) or HAT (with headers)\r\n\r\nPins Configuration:\r\n\r\n|Fan Pin |Option 1 |Option 2 |\r\n|--------|---------|---------|\r\n|Vfan    |5V\\*     |3.3V     |\r\n|tacho   |GPIO16   |GPIO4    |\r\n|PWM     |GPIO12   |GPIO13   |\r\n\r\n\\*) the pin is connected by default.\r\n\r\nCAM files are available.\r\n\r\n## FAN-zero25-SHIM\r\n\r\nRaspberry Pi zero 40-pin **FAN-zero25-SHIM** mini-HAT.\r\n\r\nPreview:\r\n\r\n![FAN-zero25-SHIM preview](img/FAN-zero25-SHIM.png)\r\n\r\n[Schematics in PDF format](doc/FAN-zero25-SHIM.pdf)\r\n\r\nFeatures:\r\n\r\n- locked Pi headers\r\n- 25mm axial fan\r\n- 5V and 3.3V fan power selection\r\n- fan tacho and PWM signal selection\r\n- Pi zero board style\r\n- can be used as SHIM (no headers) or HAT (with headers)\r\n\r\nPins Configuration:\r\n\r\n|Fan Pin |Option 1 |Option 2 |\r\n|--------|---------|---------|\r\n|Vfan    |5V\\*     |3.3V     |\r\n|tacho   |GPIO16   |GPIO4    |\r\n|PWM     |GPIO12   |GPIO13   |\r\n\r\n\\*) the pin is connected by default.\r\n\r\nCAM files are available.\r\n\r\n## FAN-zero20-SHIM\r\n\r\nRaspberry Pi zero 40-pin **FAN-zero20-SHIM** mini-HAT.\r\n\r\nPreview:\r\n\r\n![FAN-zero20-SHIM preview](img/FAN-zero20-SHIM.png)\r\n\r\n[Schematics in PDF format](doc/FAN-zero20-SHIM.pdf)\r\n\r\nFeatures:\r\n\r\n- locked Pi headers\r\n- 20mm axial fan\r\n- 5V and 3.3V fan power selection\r\n- fan tacho and PWM signal selection\r\n- Pi zero board style\r\n- can be used as SHIM (no headers) or HAT (with headers)\r\n\r\nPins Configuration:\r\n\r\n|Fan Pin |Option 1 |Option 2 |\r\n|--------|---------|---------|\r\n|Vfan    |5V\\*     |3.3V     |\r\n|tacho   |GPIO16   |GPIO4    |\r\n|PWM     |GPIO12   |GPIO13   |\r\n\r\n\\*) the pin is connected by default.\r\n\r\nCAM files are available.\r\n\r\n## FAN-plus40-SHIM\r\n\r\nRaspberry Pi A+/B+ 40-pin **FAN-plus40-SHIM** mini-HAT.\r\n\r\nPreview:\r\n\r\n![FAN-plus40-SHIM preview](img/FAN-plus40-SHIM.png)\r\n\r\n[Schematics in PDF format](doc/FAN-plus40-SHIM.pdf)\r\n\r\nFeatures:\r\n\r\n- locked Pi headers\r\n- 40mm axial fan\r\n- 5V and 3.3V fan power selection\r\n- fan tacho and PWM signal selection\r\n- Pi A+/B+ board style\r\n- can be used as SHIM (no headers) or HAT (with headers)\r\n\r\nPins Configuration:\r\n\r\n|Fan Pin |Option 1 |Option 2 |\r\n|--------|---------|---------|\r\n|Vfan    |5V\\*     |3.3V     |\r\n|tacho   |GPIO16   |GPIO4    |\r\n|PWM     |GPIO12   |GPIO13   |\r\n\r\n\\*) the pin is connected by default.\r\n\r\nCAM files are available.\r\n\r\n## FAN-plus30-SHIM\r\n\r\nRaspberry Pi A+/B+ 40-pin **FAN-plus30-SHIM** mini-HAT.\r\n\r\nPreview:\r\n\r\n![FAN-plus30-SHIM preview](img/FAN-plus30-SHIM.png)\r\n\r\n[Schematics in PDF format](doc/FAN-plus30-SHIM.pdf)\r\n\r\nFeatures:\r\n\r\n- locked Pi headers\r\n- 30mm axial fan\r\n- 5V and 3.3V fan power selection\r\n- fan tacho and PWM signal selection\r\n- Pi A+/B+ board style\r\n- can be used as SHIM (no headers) or HAT (with headers)\r\n\r\nPins Configuration:\r\n\r\n|Fan Pin |Option 1 |Option 2 |\r\n|--------|---------|---------|\r\n|Vfan    |5V\\*     |3.3V     |\r\n|tacho   |GPIO16   |GPIO4    |\r\n|PWM     |GPIO12   |GPIO13   |\r\n\r\n\\*) the pin is connected by default.\r\n\r\nCAM files are available.\r\n\r\n## Links\r\n\r\n- [pinout.xyz](https://pinout.xyz/) - a brilliant resource on topic of Pi's pinout and HATs.\r\n- [raspberrypi/hats](https://github.com/raspberrypi/hats) - Pi's HAT specification.\r\n\r\n## How to help\r\n\r\nYour contributions as code, resources, or finances are welcome! Please contact me directly via email at andriy.golovnya@gmail.com or through my [GitHub profile](https://github.com/red-scorp).\r\n\r\nIf you'd like to make a financial contribution, you can donate via [PayPal](http://paypal.me/redscorp) or [Ko-Fi](http://ko-fi.com/redscorp). Your support is greatly appreciated.\r\n\r\nThanks in advance!\r\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fred-scorp%2Ffan-shim","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fred-scorp%2Ffan-shim","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fred-scorp%2Ffan-shim/lists"}