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It amplifies minimal sEMG within ±1.5mV 1000 times and depresses noises (especially power frequency interference) by differential input and analog filter circuit. The output signal is analog?which takes 1.5V as the reference voltage. The output voltage range is 0~3.0V. The signal strength depends on the intensity of muscle activities. The output signal waveform indicates the muscle activity and contributes to analyze and research the sEMG. Specifically, we can use Arduino as a controller to detect muscle activities, e.g. check whether the muscle is tense; the muscle strength, etc.\n\nThis is an active induction sensor can provide high quality signal collection and it is easy to use. Only simple preparations are needed to apply the module for either static or dynamic areas. Dry electrode is applied to the module and good quality signal are available even without conductive gel. Compared with disposable conductive gel needed by medical electrodes, it is more convenient to use and extend its long-life service. Therefore, it is more suitable for most of users.\n\nMeasurements with an analog EMG sensor are noninvasive, convenient and this can be applied in human-computer interactions. 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It is an interesting gear to create emotion-related projects like sleep quality monitors. In some galvanic skin response devices such as lie detectors, this scientific principle is also applied.\n\nWe have developed more than 400 Grove modules, covering a wide range of applications that can fulfil various needs. Click to explore the Grove Sensor family and get started to Grove your Idea. For all Grove users (especially beginners), we provide you with guidance PDF documents. 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This product is a speaker dependent voice recognition module. It supports up to 80 voice commands in all. Max 7 voice commands could work at the same time. Any sound could be trained as command. Users need to train the module first before let it recognizing any voice command.\n\nThe Voice Recognition Module allows you to control your device using just your voice.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eSupport maximum 80 voice commands, with each voice 1500ms (one or two words speaking)\nMaximum 7 voice commands effective at same time\nEasy Control: UART\/GPIO\nUser-control General Pin Output\nRecognizer — a container where acting voice commands (max 7) were loaded. It is core part of\nvoice recognition module. For example, it works like “playing balls”. You have 80 players in your\nteam. But you could not let them all play on the court together. The rule only allows 7 players\nplaying on the court. Here the Recognizer is the list which contains names of players working on\nthe court.\nRecognizer index — max 7 voice commands could be supported in the recognizer. The\nrecognizer has 7 regions for each voice command. One index corresponds to one region: 0~6\nTrain — the process of recording your voice commands\nLoad — copy trained voice to recognizer\nVoice Command Record — the trained voice command store in flash, number from 0 to 79\nSignature — text comment for record\nGroup — help to manage records, each group 7 records. 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This FSR will vary its resistance depending on how much pressure is being applied to the sensing area. The harder the force, the lower the resistance. When no pressure is being applied to the FSR its resistance will be larger than 1M?. This FSR can sense applied force anywhere in the range of 100g-10kg.\n\nTwo pins extend from the bottom of the sensor with 0.1\" pitch making it bread board friendly. There is a peel-and-stick rubber backing on the other side of the sensing area to mount the FSR.\n\nThese sensors are simple to set up and great for sensing pressure, but they aren't incredibly accurate. Use them to sense if it's being squeezed, but you may not want to use it as a scale.\n\nNote: As it states in the Integration Guide, do NOT solder directly to the exposed silver traces. With flexible substrates, the solder joint will not hold and the substrate can easily melt and distort during the soldering. 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The middle pin resistance with respect to either of the outer pins changes depending on where on the strip one presses. When no pressure is applied, the middle pin floats, so be sure to use some sort of weak pullup, such as 100K ohm.\n\nTo use Connect one side pin to ground via a 10K resistor in series. Connect the other side pin to your Vcc power line (3V, 5V etc) via a different 10K resistor in series. Then read the analog voltage on the center pin. It will range from 1\/3 Vcc to 2\/3 Vcc . 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This shape is a circular soft potentiometer with a donut-shaped sensing region whose outer diameter is 55.96mm\/2.2in and inner diameter is 35.63mm\/1.4in.\n\nThere is a nominal 10K resistance across the two outer leads. The middle pin resistance with respect to either of the outer pins changes depending on where on the strip one presses. When no pressure is applied, the middle pin floats, so be sure to use some sort of weak pullup, such as 100K ohm.\n\nTo use Connect one side pin to ground via a 10K resistor in series. Connect the other side pin to your Vcc power line (3V, 5V etc) via a different 10K resistor in series. Then read the analog voltage on the center pin. It will range from 1\/3 Vcc to 2\/3 Vcc . Do not connect to Ground and Power directly!\n\n \u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eLength: 115.91mm\/4.56in\nWidth: 65.63mm\/2.584inn\nThickness: 0.58mm\/0.023in\nWeight: 2.05g\/0.072oz\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"SparkFun","offers":[{"title":"Default Title","offer_id":51579686650158,"sku":null,"price":85.0,"currency_code":"QAR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0954\/1907\/2814\/files\/voltaat-sens-biomedical-flex-force-circular-soft-potentiometer-ribbon-sensor-29337813.webp?v=1767198249"},{"product_id":"pressure-sensitive-conductive-sheet-velostatlinqstat","title":"Pressure-Sensitive Conductive Sheet (Velostat\/Linqstat)","description":"\u003cp\u003eThis conductive material (also known as \"Velostat\" or \"Linqstat\") is a nice addition for your wearable\/sensor hacking toolkit. It's pressure-sensitive: squeezing it will reduce the resistance, so it's handy for making flexible sensors. And it's a lot less expensive than off-the-shelf pressure or bend sensors too! Each order comes with a 11\"x11\" (28cm x 28cm) 4mil (0.1mm) thick piece. We may fold the sheet into quarters to ship it to you. To remove any hard creases, simply lay flat on a table and put a heavy book on top to flatten it out.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eDimensions: 11\" x 11\" (280mm x 280mm)\n4 mil \/ 0.1mm thick\nWeight: 18.66g\nTemperature Limits : -45°C to 65°C (-50°F to 150°F)\nHeat Sealable : Yes\nVolume Resistivity : \u0026lt;500 ohm-cm\nSurface Resistivity : \u0026lt; 31,000 ohms\/sq.cm\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"SparkFun","offers":[{"title":"Default Title","offer_id":51579686682926,"sku":null,"price":85.0,"currency_code":"QAR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0954\/1907\/2814\/files\/voltaat-sens-biomedical-flex-force-pressure-sensitive-conductive-sheet-velostat.webp?v=1767198211"},{"product_id":"conductive-rubber-cord-stretch-sensor-kit","title":"Conductive Rubber Cord Stretch Sensor Kit","description":"\u003cp\u003eMeasuring stretch forces isn't easy - unless you have some conductive rubber cord! This cord is 2mm diameter, and 1 meter long, made of carbon-black impregnated rubber. Usually this material is used for EMF gasketing, but its also very fun to play with.\n\nIn a 'relaxed' state, the resistance is about 350 ohms per inch. As you pull on it, the resistance increases (the particles get further apart). As you stretch it out, the resistance increases. So lets say you have a 6\" piece - thats about 2.1 Kohms. Stretch it to 10\" long and now it is 10\"\/6\"*2.1K = 3.5 Kohms. You can stretch the rubber about 50-70% longer than the resting length, so a 6\" piece shouldn't be stretched more than 10\". Once the force is released, the rubber will shrink back, although its not very 'fast' and it takes a minute or two to revert to its original length. It's not a true linear sensor, and the resistance may vary from batch to batch, so we consider it a way to measure stretching motion but isn't really precise.\n\nThis stuff is fun, so we give you a full meter and also two alligator clips (to connect to the cord) and a 10K resistor. Together, you can use these to make a simple voltage divider. \u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"SparkFun","offers":[{"title":"Default Title","offer_id":51579686715694,"sku":null,"price":65.0,"currency_code":"QAR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0954\/1907\/2814\/files\/voltaat-sens-biomedical-flex-force-conductive-rubber-cord-stretch-sen.webp?v=1767198182"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0954\/1907\/2814\/collections\/Biomedical_Flex_Force.jpg?v=1770040668","url":"https:\/\/taalimiyah.com\/ar\/collections\/biomedical-flex-force-1\/temperature-and-light.oembed","provider":"Taalimiyah","version":"1.0","type":"link"}