Pro Tronix
Micro Limit Switch Arm Long Blade Lever 28mm
A high-precision momentary micro limit switch featuring a 28mm long blade lever. Designed for reliable position sensing, end-stop detection, and object counting in CNC machines, 3D printers, and industrial automation. Built for durability and rated for high-voltage applications. Quality assured by Pro Tronix.
Micro Limit Switch Long Hinge Roller 28mm
A high-performance momentary micro limit switch equipped with a 28mm long hinge roller lever. This switch is designed to reduce friction and wear during actuation, making it perfect for cam-driven systems, sliding doors, and conveyor tracking. Quality assured by Pro Tronix.
Aluminum Blue Rigid Coupling L25×D14mm | 5mm to 8mm
A high-precision aluminum coupling designed to bridge a 5mm motor shaft to an 8mm lead screw or axle. Finished in a vibrant anodized blue, this rigid coupling ensures a zero-slip connection and high torque transfer for 3D printers and CNC machines. Quality assured by Pro Tronix.
24V DC Active Industrial Alarm Buzzer | Pro Tronix
Heavy-duty 24V DC active industrial alarm buzzer. Generates a loud continuous tone automatically when powered. Perfect for PLC output cards, 24V control panels, relays, and industrial safety alarms!
12V DC Active Alarm Buzzer | Pro Tronix
High-decibel 12V DC active alarm buzzer. Generates a loud continuous tone automatically when powered. Ideal for industrial control panels, 12V automotive systems, relays, and security alarms!
YF-S201 Water Flow Sensor | 1-30L/min
A high-precision Hall Effect water flow sensor designed to measure liquid volume and flow rates in real-time. Compatible with Arduino, ESP32, and Raspberry Pi, the YF-S201 is the perfect solution for smart water meters, automated beverage dispensers, and irrigation monitoring. Quality assured by Pro Tronix.
AD20P-1230C Brushless Submersible Water Pump
A high-efficiency, ultra-quiet brushless DC water pump capable of a 3-meter lift and a 240L/H flow rate. Featuring a compact, fully submersible design and a 45cm cable, the AD20P-1230C is the ideal solution for liquid cooling, solar fountains, and automated hydroponics. Quality assured by Pro Tronix.
USB 2.0 Type A to Type B Arduino Cable (1.5m) | Pro Tronix
High-quality 1.5-meter USB 2.0 Type A to Type B data and power cable. Outfitted with tinned copper conductors and protective shielding, this flexible cable guarantees seamless code uploads, serial monitoring, and stable power distribution for the Arduino Uno, Mega, and generic desktop printers.


