![GitHub - bga/zero-cross-AC-opto-detector: simple isolated AC zero cross detector using cheap PC817 and TL431 GitHub - bga/zero-cross-AC-opto-detector: simple isolated AC zero cross detector using cheap PC817 and TL431](https://raw.githubusercontent.com/bga/zero-cross-AC-opto-detector/master/real/osc00.png)
GitHub - bga/zero-cross-AC-opto-detector: simple isolated AC zero cross detector using cheap PC817 and TL431
![GitHub - bga/zero-cross-AC-opto-detector: simple isolated AC zero cross detector using cheap PC817 and TL431 GitHub - bga/zero-cross-AC-opto-detector: simple isolated AC zero cross detector using cheap PC817 and TL431](https://raw.githubusercontent.com/bga/zero-cross-AC-opto-detector/master/media/schematic.png)
GitHub - bga/zero-cross-AC-opto-detector: simple isolated AC zero cross detector using cheap PC817 and TL431
![What is the difference between zero-cross triac couplers and non-zero-cross triac couplers? How should they be used properly? | Toshiba Electronic Devices & Storage Corporation | Europe(EMEA) What is the difference between zero-cross triac couplers and non-zero-cross triac couplers? How should they be used properly? | Toshiba Electronic Devices & Storage Corporation | Europe(EMEA)](https://toshiba.semicon-storage.com/content/dam/toshiba-ss-v3/master/en/semiconductor/knowledge/faq/opto/opto_054_4_en.png)
What is the difference between zero-cross triac couplers and non-zero-cross triac couplers? How should they be used properly? | Toshiba Electronic Devices & Storage Corporation | Europe(EMEA)
![microcontroller - When should I fire the TRIAC's gate when controlling an inductive load (AC motor)? - Electrical Engineering Stack Exchange microcontroller - When should I fire the TRIAC's gate when controlling an inductive load (AC motor)? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/sw3mO.png)