TOP

4×8 Flexible Array Tactile Pressure Sensor (UART Cascade Support)

$15.90
SKU: SEN0705
Volume Discount
  • $15.50 3+ items
  • $15.20 5+ items
  • $14.70 10+ items
High-density 4x8 flexible pressure matrix sensor with 32 independent points. Supports UART cascading for robotic grippers, electronic skin, and Human-Machine Interaction. Compatible with Arduino & ESP32 & Raspberry Pi.
Purchase this product and earn 159 reward points, which are tied to VIP membership program. Learn More >

Introduction

The 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 flexible 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. 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.

Tactile Pressure Sensor Tool from DFRobot


High-Density Tactile Matrix for Pressure Distribution Mapping

The 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.


Ultra-Compact Structure for Non-Invasive Integration

This 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.

Ultra-Compact 4×8 Flexible Array Tactile Pressure Sensor

Ultra-Compact 4×8 Flexible Array Tactile Pressure Sensor

UART Interface with Cascading Support for Rapid Prototyping

The 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 Arduino, ESP32, and Raspberry Pi ecosystems supports fast embedded development, while the included 30cm flexible silicone cable provides a durable and convenient connection for testing, integration, and iterative project validation.


Durable Flexible FPC Material for Long-Term Mechanical Use

Constructed 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.

Piezoresistive Characteristics of 4×8 Flexible Array Tactile Pressure Sensor

Features

  • 4 x 8 tactile matrix with 32 independent pressure sensing points
  • 20 x 10mm compact sensing area for high-density pressure mapping
  • 2.5mm sensing point pitch for localized force distribution detection
  • Response time below 10μs for dynamic tactile signal capture
  • UART communication interface with cascade support
  • Compatible with Arduino, ESP32, and Raspberry Pi ecosystems
  • Ultra-thin flexible FPC structure for electronic skin-style integration
  • Adhesive backing for easy mounting on compact or curved surfaces
  • Durability above 1,000,000 cycles at 1kg force
  • Repeatability of ±5% for long-term pressure sensing applications
  • Applications

  • Intelligent Robotics
  • Human-Machine Interaction
  • Research & Education
  • Wearable Technology
  • Smart Gripper
  • Specification

  • Operating Voltage: 5V
  • Sampling Frequency: 20Hz / 50Hz
  • Sensing Area: 20 x 10mm
  • Array Configuration: 4 x 8 (32 points)
  • Communication Interface: UART
  • Trigger Force: 20g
  • Pressure Range: 20g ~ 5kg (per sensing point)
  • Pressure Type: Compression/Pressing
  • Durability: >1,000,000 times (at 1kg force)
  • Operating Temperature: -20℃ ~ +65℃
  • Adapter Board Size: 20 x 12mm
  • Shipping List

  • Adapter Board x1
  • 4×8 Flexible Array Pressure Sensor x1
  • 30cm Flexible Silicone Connection Cable x1
  • 4×8 Flexible Array Tactile Pressure Sensor (UART Cascade Support)
    $0.00