{"product_id":"optical-encoder-speed-sensor-module-for-freescale-smart-car-models-c-d-e-photoelectric-speed-measurement","title":"Optical Encoder Speed Sensor Module - For Freescale Smart Car Models C\/D\/E, Photoelectric Speed Measurement","description":"\nOptoelectronic encoder\/speed sensor encoder Freescale intelligent car CBDE car model\n\nBaby description:\n\nPhotoelectric speed measuring sensor\n\nBaby pictures\n\n\nCodec technical parameters:\n\nNumber of lines: 100 lines\n\nOuter diameter: 22mm\n\nInner hole diameter: 3.5mm\n\nThickness: 0.3mm\n\nMaterial: Alloy Steel\n\nProduction process: laser cutting processing\n\nInstallation method: Use the installation column sent by the seller to fix it.\n\n\nTechnical parameters for speed measurement pipe fitting:\n\nTube manufacturer: original HP, US\n\nSupply voltage: 5V (3.3V is also available)\n\nWiring method:5V         GND\n\nOutput signal: 5Vp-p two-phase signal output (see the figure below).\n\nTwo signal lines, one yellow and one blue (since the production batches are different, sometimes the signal lines may be green and do not affect use), yellow and blue are 2 TTL levels respectively (you can directly connect to microcontrollers) signals (Note: The positive and reverse rotation is determined by these two levels to distinguish whether it is forward or reverse rotation)\n\n(Suppose A B is the signal line)\n\nA has a pulse first, which proves to be a positive turn\n\nB has pulse first, it proves to be an inversion\n\nImportant Note:Block for a long timeorNot blockingThere is no output. As phase detection, there will be waveform output only on the rising and falling edges of the counters. Therefore, when rotating the code disk or switching back and forth with an opaque object, there will be square wave output. In high-speed state, it is similar to sine wave or sawtooth wave. See the video demonstration below for details. The multimeter test has always been around 0.1V, which is invalid! Please use the testOscilloscopeorThe acquisition port of microcontroller。\n\n","brand":"mickcara","offers":[{"title":"1pc","offer_id":45515855200393,"sku":"SHNRVV0093","price":13.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0365\/2131\/2393\/files\/S8cf66a0013014fa58976376a45cec4455.webp?v=1776158369","url":"https:\/\/mickcara.com\/products\/optical-encoder-speed-sensor-module-for-freescale-smart-car-models-c-d-e-photoelectric-speed-measurement","provider":"mickcara","version":"1.0","type":"link"}