{"product_id":"gravity-4-8-flexible-array-tactile-pressure-sensor-uart-cascade-support","title":"Gravity: 4×8 Flexible Array Tactile Pressure Sensor (UART Cascade Support)","description":"\u003cdiv id=\"Introduction\" class=\"content Introduction\"\u003e\n\u003ch4\u003eIntroduction\u003c\/h4\u003e\n\u003cdiv\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe Gravity: 4×8 Flexible Array Tactile Pressure Sensor is a compact, high-density tactile sensing solution for intelligent gripping systems, human-computer interaction, wearable electronics, and advanced research. Built with\u003cspan\u003e \u003c\/span\u003e\u003cb\u003eflexible thin-film technology, this pressure matrix integrates 32 independent sensing points within a 20 x 10mm active area, enabling real-time capture of pressure distribution and subtle tactile changes\u003c\/b\u003e. Compared with single-point pressure sensors, this flexible pressure sensor array provides spatial force information for electronic skin, robotic grippers, and DIY dexterous hands while keeping installation simple through a UART communication interface and dedicated host software support.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/dfimg.dfrobot.com\/enshop\/image\/data\/SEN0705\/tool_0x0.png.webp\" alt=\"Tactile Pressure Sensor Tool from DFRobot\" title=\"Tactile Pressure Sensor Tool from DFRobot\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eHigh-Density Tactile Matrix for Pressure Distribution Mapping\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe tactile array is structured with 8 horizontal columns and 4 vertical rows, creating a 32-point pressure sensing grid with a 2.5mm precision pitch. This dense sensing layout enables real-time pressure heatmap generation, making the flexible pressure matrix suitable for both overall force distribution analysis and localized pressure point detection. With a response time below 10μs, this tactile sensing board can capture fast dynamic contact changes in robotic manipulation, grasping feedback, and interactive control scenarios where timing and spatial pressure accuracy matter.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eUltra-Compact Structure for Non-Invasive Integration\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThis thin-film pressure sensing module is designed for space-constrained projects that require tactile feedback without major structural redesign. The sensing area measures only 20 x 10mm, while the adapter board remains compact at 20 x 12mm. Combined with adhesive backing on the sensor surface, this flexible tactile sensor can be mounted onto small robotic grippers, wearable devices, experimental fixtures, or compact actuator assemblies. The bendable profile helps the sensor conform to curved or narrow contact surfaces for electronic skin-style integration.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/dfimg.dfrobot.com\/enshop\/image\/data\/SEN0705\/Dimension3_0x0.jpg.webp\" alt=\"Ultra-Compact 4×8 Flexible Array Tactile Pressure Sensor\" title=\"Ultra-Compact 4×8 Flexible Array Tactile Pressure Sensor\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eUART Interface with Cascading Support for Rapid Prototyping\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe pressure array sensor uses a UART communication interface to simplify data acquisition and reduce wiring complexity in multi-sensor systems. Instead of building custom analog acquisition circuits for every sensing point, developers can retrieve matrix pressure data through an optimized digital protocol. Compatibility with\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.dfrobot.com\/topic-277.html\" target=\"_blank\"\u003eArduino\u003c\/a\u003e,\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.dfrobot.com\/topic-316.html\" target=\"_blank\"\u003eESP32\u003c\/a\u003e, and\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.dfrobot.com\/topic-272.html\" target=\"_blank\"\u003eRaspberry Pi\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eecosystems supports fast embedded development, while the included 30cm flexible silicone cable provides a durable and convenient connection for testing, integration, and iterative project validation.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDurable Flexible FPC Material for Long-Term Mechanical Use\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eConstructed from high-quality Flexible Printed Circuit material, this tactile pressure sensing film offers a compact structure with strong resistance to deformation under elevated temperatures. The flexible FPC design supports repeated contact, bending, and installation in mechanically active systems. With a durability rating above 1,000,000 cycles at 1kg force and repeatability of ±5%, this array pressure sensor is suitable for long-term repetitive motion testing, robotic gripping experiments, wearable pressure monitoring, and research platforms requiring stable tactile feedback over extended use.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/dfimg.dfrobot.com\/enshop\/image\/data\/SEN0705\/data_0x0.png.webp\" alt=\"Piezoresistive Characteristics of 4×8 Flexible Array Tactile Pressure Sensor\" title=\"Piezoresistive Characteristics of 4×8 Flexible Array Tactile Pressure Sensor\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"Features\" class=\"content Features\"\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cdiv id=\"Features\" class=\"content Features\"\u003e\n\u003cul\u003e\n\u003cli\u003e4 x 8 tactile matrix with 32 independent pressure sensing points\u003c\/li\u003e\n\u003cli\u003e20 x 10mm compact sensing area for high-density pressure mapping\u003c\/li\u003e\n\u003cli\u003e2.5mm sensing point pitch for localized force distribution detection\u003c\/li\u003e\n\u003cli\u003eResponse time below 10μs for dynamic tactile signal capture\u003c\/li\u003e\n\u003cli\u003eUART communication interface with cascade support\u003c\/li\u003e\n\u003cli\u003eCompatible with Arduino, ESP32, and Raspberry Pi ecosystems\u003c\/li\u003e\n\u003cli\u003eUltra-thin flexible FPC structure for electronic skin-style integration\u003c\/li\u003e\n\u003cli\u003eAdhesive backing for easy mounting on compact or curved surfaces\u003c\/li\u003e\n\u003cli\u003eDurability above 1,000,000 cycles at 1kg force\u003c\/li\u003e\n\u003cli\u003eRepeatability of ±5% for long-term pressure sensing applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"Applications\" class=\"content Applications\"\u003e\n\u003ch4\u003eApplications\u003c\/h4\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eIntelligent Robotics\u003c\/li\u003e\n\u003cli\u003eHuman-Machine Interaction\u003c\/li\u003e\n\u003cli\u003eResearch \u0026amp; Education\u003c\/li\u003e\n\u003cli\u003eWearable Technology\u003c\/li\u003e\n\u003cli\u003eSmart Gripper\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"Specification\" class=\"content Specification\"\u003e\n\u003ch4\u003eSpecification\u003c\/h4\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eOperating Voltage: 5V\u003c\/li\u003e\n\u003cli\u003eSampling Frequency: 20Hz \/ 50Hz\u003c\/li\u003e\n\u003cli\u003eSensing Area: 20 x 10mm\u003c\/li\u003e\n\u003cli\u003eArray Configuration: 4 x 8 (32 points)\u003c\/li\u003e\n\u003cli\u003eCommunication Interface: UART\u003c\/li\u003e\n\u003cli\u003eTrigger Force: 20g\u003c\/li\u003e\n\u003cli\u003ePressure Range: 20g ~ 5kg (per sensing point)\u003c\/li\u003e\n\u003cli\u003ePressure Type: Compression\/Pressing\u003c\/li\u003e\n\u003cli\u003eDurability: \u0026gt;1,000,000 times (at 1kg force)\u003c\/li\u003e\n\u003cli\u003eOperating Temperature: -20℃ ~ +65℃\u003c\/li\u003e\n\u003cli\u003eAdapter Board Size: 20 x 12mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"Shipping-List\" class=\"content ShippingList\"\u003e\n\u003ch4\u003eShipping List\u003c\/h4\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eAdapter Board x1\u003c\/li\u003e\n\u003cli\u003e4×8 Flexible Array Pressure Sensor x1\u003c\/li\u003e\n\u003cli\u003e30cm Flexible Silicone Connection Cable x1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"Documents\" class=\"content documents\"\u003e\n\u003ch4\u003eDocuments\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/wiki.dfrobot.com\/sen0705\/\" target=\"_blank\"\u003eProduct Wiki\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"DFRobot","offers":[{"title":"Default Title","offer_id":41722565066885,"sku":null,"price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0565\/5819\/0725\/files\/1_fe95ada8-924c-46d2-a2d6-a6a794af9f7e.png?v=1782129653","url":"https:\/\/robotpishop.com\/products\/gravity-4-8-flexible-array-tactile-pressure-sensor-uart-cascade-support","provider":"Robot Pi Shop","version":"1.0","type":"link"}