Sensors &amp; Modules

Right-Angle Liquid Water Level Float Switch (DC 220V) | Pro Tronix

Sensors & Modules

SKU: PRO01078

Product Description A heavy-duty right-angle liquid water level float switch capable of switching up to DC 220V, ideal for tank

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Compact green ULN2003 stepper motor driver module displaying a central ULN2003 driver chip, four inline red indicator LEDs, a row of input pins, a white 5-pin JST motor connector, and power terminal pins.

-14%

ULN2003 Stepper Motor Driver Board Module (5V – 12V) | Pro Tronix

Sensors & Modules

SKU: PRO00568

Product Description The ULN2003 Stepper Motor Driver Board is an incredibly simple, low-cost, and highly efficient module designed to drive

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TEC1-12706 40x40mm 6A Thermoelectric Peltier Cooler Module

-20%

TEC1-12706 40×40mm 6A Thermoelectric Peltier Cooler

Sensors & Modules

SKU: PRO00509

Buy the TEC1-12706 12V 6A Peltier cooler module online. Premium 40x40mm solid-state thermoelectric cooling plate for DIY electronics and refrigerators.

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-20%

4×4 Flat Membrane Matrix Keypad 16-Key Module | Pro Tronix

Sensors & Modules

SKU: PRO00507

Ultra-slim, self-adhesive 4x4 flat membrane matrix keypad. Features a dust-proof 16-key layout over a flexible 8-pin interface, providing a durable and compact user input solution for smart lock and embedded automation projects.

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-12%

4 Channel 12v Relay Module

Relay, Sensors & Modules

SKU: PRO00634

Description It is a 4 Channel Isolated 5V 10A Relay Module Opto-coupler, A wide range of microcontrollers such as Arduino,

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Blank white plastic CR80 credit-card-sized proximity card alongside a ring of colorful plastic key fobs, demonstrating standard 13.56MHz contactless components.

-20%

13.56MHz RFID Card

Sensors & Modules

SKU: PRO00629

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.

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-18%

E18-30DPKB-Z-5V Adjustable Infrared Proximity Switch Sensor | Pro Tronix

Sensors & Modules

SKU: PRO00627

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.

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Miniature red double-sided printed circuit board displaying a large circular capacitive touch pad zone labeled 'TOUCH' on the front, and the tiny multi-pin TTP223 IC chip along with labeled solder configuration blocks 'A' and 'B' on the reverse side.

-17%

TTP223 Touch Key Module | Pro Tronix

Sensors & Modules

SKU: PRO00606

Ultra-compact TTP223 touch key module driven by the TTP223 detector IC. Supports hardware solder-bridge selection for momentary or toggle operations, allowing clean integration behind protective non-metallic sheets for durable touch panels.

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-12% Sold out

4 Channel 5v Relay Module

Sensors & Modules

SKU: PRO01015

Description It is a 4 Channel Isolated 12v 10A Relay Module Opto-coupler, A wide range of microcontrollers such as Arduino,

CJMCU-ADS1115 16-Bit Ultra-Compact ADC Development Board | Pro Tronix

-10% Sold out

CJMCU-ADS1115 16-Bit Ultra-Compact ADC Development Board | Pro Tronix

Sensors & Modules

SKU: PRO00590

Ultra-compact CJMCU-ADS1115 development board delivering high-precision 16-bit resolution over 4 single-ended or 2 differential channels. Features an onboard programmable gain amplifier (PGA) and simple I2C communication, perfect for sensitive millivolt-level analog sensor arrays.

Compact red printed circuit board showing a metal-shielded three-pin IR receiver dome, a current-limiting resistor, a red SMD indicator LED, and a 3-pin male header row.

-8% Sold out

HX1838 VS1838B IR Infrared Receiver Sensor Module with Cable | Pro Tronix

Sensors & Modules

SKU: PRO00579

High-sensitivity HX1838 (VS1838B) 38kHz infrared receiver module. Operating on a wide 2.7V to 5.5V DC range, this module features built-in ambient light filtering, an onboard status indicator LED, and a 3-pin interface. The perfect choice for adding wireless remote control capabilities to your Arduino, ESP32, and Raspberry Pi projects.

Compact blue ADXL345 accelerometer PCB featuring an onboard ultra-low-dropout regulator, filtering capacitors, pull-up resistors, and 8 clearly labeled circular solder pads for pin headers.

-3% Sold out

ADXL345 3-Axis Digital Accelerometer Module | Pro Tronix

Sensors & Modules

SKU: PRO00577

Highly accurate ADXL345 3-axis digital accelerometer and gravity sensor module. Operating on a wide 3.0V to 5.0V input range with standard I2C and SPI interfaces, it delivers up to 13-bit resolution across ranges of +/- 2g to +/- 16g. The go-to sensor for Klipper input shaping, gesture detection, and drone stabilization.