{"product_id":"hc-020k-high-precision-photoelectric-speed-measurement-module-dual-speed-test-with-code-wheel-encoder-kit-for-4wd-smart-car-diy","title":"HC-020K High Precision Photoelectric Speed Measurement Module Dual Speed Test with Code Wheel Encoder Kit for 4WD Smart Car DIY","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOperating voltage: 4.5-5.5V\u003c\/li\u003e\n\u003cli\u003eEmitter tube voltage drop: Vf=1.6V\u003c\/li\u003e\n\u003cli\u003eEmitter tube current: If \u0026lt;20mA\u003c\/li\u003e\n\u003cli\u003eSignal output: Two rows of A and B; TT power level;\u003c\/li\u003e\n\u003cli\u003eMeasurement frequency: 100KHz\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Brand: Generic","offers":[{"title":"Default Title","offer_id":52055629365536,"sku":"B0GR34S7RK","price":19.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/7682\/9472\/files\/31WSyL0fsDL.jpg?v=1785432338","url":"https:\/\/tinyracer.com\/products\/hc-020k-high-precision-photoelectric-speed-measurement-module-dual-speed-test-with-code-wheel-encoder-kit-for-4wd-smart-car-diy","provider":"TinyRacer","version":"1.0","type":"link"}