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4 Channel 12v Relay Module
2 Channel 5V Relay Module
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Buy the 2 Channel 5V relay shield module online. High-efficiency dual 10A optocoupler isolated switching board with selectable triggers for Arduino.
1 Channel 5V Relay Module
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Buy the 1 Channel 5V relay shield module online. High-performance 10A isolated switching board with high/low level trigger options for Arduino.
Piezo Sensor Element 20mm | Pro Tronix
High-sensitivity 20mm piezoelectric ceramic sensor element built on a robust brass substrate. Generates clear analog voltage spikes upon mechanical shock or vibration, offering an exceptional baseline transducer for electronic drum pads, acoustic pickups, and automated knock detectors.
13.56MHz RFID Card
Premium-grade 13.56MHz HF blank white PVC RFID smart card. Featuring a high-performance Mifare Classic 1K (S50) compatible chip, standard CR80 credit card dimensions, and writeable secure memory blocks. Excellent choice for Arduino RC522 projects, corporate security gates, and contactless ticketing.
LJ12A3-4-Z/BX M12 Inductive Proximity Metal Sensor (NPN NO DC6-36V) | Pro Tronix
E18-30DPKB-Z-5V Adjustable Infrared Proximity Switch Sensor | Pro Tronix
Premium E18-30DPKB-Z-5V adjustable infrared proximity photoelectric sensor. Offers a flexible 3-30cm range with dual PNP NO/NC switching, perfect for automated conveyor counters and smart robotics projects.
MB-102 Breadboard Power Supply Module – 3.3V / 5V Dual Output
A convenient and regulated power supply module for your breadboard projects. This module plugs directly into any MB-102 or 400-point breadboard, providing stable 3.3V or 5V outputs. Powered via a DC jack or USB, it eliminates the need for messy battery packs during prototyping.


