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$1.25Description:TCRT5000 sensors constantly emit infrared infrared emitting diodes, infrared rays emitted when reflected or not reflected but the intensity is not big enough, the infrared receiver has been in the off state, then the output of the module is low, indicating diode remains off state; when the object appeared to […]
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$1.25V-Slots Corner Fitting Straight Hidden Bracket 4 Screws Standard 2020 & 2040 Aluminum Profile
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Select options This product has multiple variants. The options may be chosen on the product page Quick View$0.40 – $0.67Phillip Screws Cross M2.5 (10pcs) bolt
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$0.75This is ULN2003 Driver Module Stepper Motor Driver Board for driving and controlling stepper motors. ULN2003 Stepper Motor Driver Board uses the ULN2003 DARLINGTON ARRAYS to drive the 4-phase 5-wire stepper motor (5v-12v). It’s easy to use Arduino or another development platform to drive the stepper motor by this diver board. […]
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$2.50Features Double-sided tape on the back of the breadboard White, for a professional appearance (not transparent) 1 Terminal Strip, 630 Tie-points 2 Distribution Strips, 200 Tie-points Size 16.5×5.4×0.85 (cm) Coloured coordinates for easy component placement Accepts a variety of wire sizes (AWG:20-29) Excellent for DIY projects, prototyping and experimenting
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Select options This product has multiple variants. The options may be chosen on the product page Quick View$0.38PBS-33B 12mm 3A Momentary
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Select options This product has multiple variants. The options may be chosen on the product page Quick View$0.50 – $1.25Male 40Pins Straight Female 10Pins Long Female 32Pins Long
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$2.50This MQ-2 smoke and gas detector is used to detect smoke and combustible gases including hydrogen, methane, butane, alcohol and liquid propane gas (LPG). Suitable for home and industrial use, it has fast response and recovery characteristics, long life and reliable stability. The module features dual signal outputs: An analog […]
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$7.00ESP8266 Serial Wifi Module NodeMCU Lua Wifi V3 CH340 4M (External Antenna) Features NodeMCU is a Wi-Fi card designed to be used in IoT projects. It is based on an ESP8266 circuit and all its pins are available. In addition, a voltage regulator has been added, as well as a […]
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Select options This product has multiple variants. The options may be chosen on the product page Quick View$0.2010 pcs lots LED 2X5X7mm Flat
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Select options This product has multiple variants. The options may be chosen on the product page Quick View$0.3810pcs lots LED F5 Water Clear
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$1.50LM393 Sound Detection Sensor Sound Detection Sensor Module provides an easy way to detect sound and is generally used for detecting sound intensity. This module can be used for security, switch, and monitoring applications. Its accuracy can be easily adjusted for the convenience of usage. It uses a microphone that […]
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$2.50MQ-4 Gas Sensor Module detects the presence of methane (CNG) gas at concentrations from 300 ppm to 10,000 ppm, a range suitable for detecting gas leaks. The sensor’s simple analog voltage interface requires only one analog input pin from your microcontroller. Specifications : Power requirements : VCC – 5V±0.1 DO […]
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Select options This product has multiple variants. The options may be chosen on the product page Quick View$0.50 – $0.75IC LM Series Voltage Regulator LM317T 1.2V – 37V 1.5A Type : TO-220 LM317M 1.2V – 37V 1.5A Type : TO-252 LM338T 40V 5.0A Type : TO-220 LM2596S-5.0 5.0V 3.0A Type : TO-220 LM2596S-12 12V 3.0A Type : TO-220
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$5.00Specifications: Product: PWM Signal Generator Model: XY-PWM Operating Voltage: DC 3.3V-30V Frequency Range: 1Hz~150KHz Frequency Accuracy: ±2% Duty Cycle Range: 0.00% – 100% Output Current: Approximately 5-30mA Output Amplitude: Corresponds to Input Voltage Dimensions: 79 x 43 x 27mm Operating Temperature: -20°C~70°C
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Concept
Bridge Cable Robot
Cable Inspection Robot is a research project by ArrowDot Company with function to check the quality of cable for bridge which can be used for Neak Loeung Bridge, New Balay Bridge and planned Koh Pich-Koh Norea Bridge. This robot equipped with analyzed camera that can view the cracked point and the vibration level of the cable. Last but not least, this robot can be remote and live up to 500m wirelessly.
