Sound Sensor Module detects ambient noise and outputs analog & digital signals for sound-level detection. Fully compatible with Arduino, Raspberry Pi, and IoT audio-triggered projects.
Red Sound Sensor Module detects ambient noise and converts it into analog and digital signals for sound-activated intelligent vehicle projects. Compatible with Arduino, Raspberry Pi, ESP32, and other microcontrollers.
STM32F103C8T6 Blue Pill is a compact, low-cost ARM® Cortex®-M3 32-bit development board featuring 72 MHz clock speed, rich peripherals, and USB interface—ideal for Arduino-style prototyping, robotics, and IoT.
Tachometer RPM Speed Measuring Optocoupler Module provides non-contact rotational speed detection using an infrared transmitter/receiver pair, offering high accuracy for Arduino, Raspberry Pi, and industrial automation projects.
TDS Meter V1.0 Module measures Total Dissolved Solids (TDS) in water, giving accurate readings of water purity and conductivity. Ideal for Arduino, ESP32, Raspberry Pi, and IoT water-quality monitoring systems.
TP4056 Micro USB 18650 Lithium Battery Charging Module provides 1A linear charging with built-in over-charge, over-current, and short-circuit protection, ideal for single-cell Li-Ion/Li-Po 18650 batteries and DIY power projects.
TP4056 Type-C USB 5V 1A Lithium Battery Charging Module with protection circuit ensures safe and efficient charging of 3.7 V Li-Ion/Li-Po cells. Features over-charge, over-discharge, and short-circuit protection, ideal for DIY power banks, IoT, and portable devices.
Turbidity Sensor with Board Module detects water clarity by measuring light scattering caused by suspended particles. Ideal for Arduino, Raspberry Pi, IoT, and water-quality monitoring systems.
The UNI‑T UT 681 Series are compact, handheld cable testers designed for fast verification of Ethernet (RJ45), telephone (RJ11), BNC, and HDMI wiring. Featuring LED status indicators, one-key operation, and fast/slow scan modes, they detect open, short, crossed, and miswired cable circuits—ideal for technicians and installers.