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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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$6.00Items Description The core module HC-06 main modules, leads interface includes VCC, GND, TXD, RXD, KEY pin high pulse can be triggered to clear the pairing information search again Led indicate Bluetooth connection status, flash unpaired, slow flash indicates paired but not connected with from, Steady has connected on follow […]
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Select options This product has multiple variants. The options may be chosen on the product page Quick View$5.0025GA-370 DC Motor 12V Metal Gearbox Large Torque
Select options This product has multiple variants. The options may be chosen on the product page -
$5.50DHT22 Temperature And Relative Humidity Sensor Blue PCB Board Sensor Module DHT22 Temperature and Humidity Measurement Sensor Module is one that contains the compound has been calibrated digital signal output of the temperature and humidity sensors. Application of a dedicated digital modules collection technology and the temperature and humidity sensing […]
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$3.00Description 3 strings of 12.6V 20A lithium battery protection board (with function – AUTO ) of application: lithium batteries with a nominal voltage of 3.6V and 3.7V (including 18650, 26650, and polymer lithium batteries) Continuous discharge current (upper limit): 20A (if the heat dissipation environment is not good, reduce the […]
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Select options This product has multiple variants. The options may be chosen on the product page Quick View$0.30Potentiometer Linear WH148 15mm
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$8.00Open-build V Gantry Plate 2080 V-Slot Aluminum Profile Slider Plate 4 Wheels CNC Part 3D Printer Wheel Roller
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$1.50Soil Moisture Humidity Sensor Module Description: This is a summary of the moisture sensor can be used to detect the moisture of the soil, when the soil is dry , the module outputs a high level , whereas the output low. Using this sensor make an automatic watering system , […]
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Select options This product has multiple variants. The options may be chosen on the product page Quick View$0.30 – $0.70M5 Hammer Head T-Bolt Slid (5pcs)
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$6.00Items Description Features of 2.4GHz 1100 Meters Long Distance NRF24L01+PA+LNA Wireless Module With Antenna: Voltage: 3-3.6V. Max output power: +20 dBm. Working current in transmit mode: 115mA. Working current in receiver mode: 45mA. Current in mode: 4.2uA. Operating temperature: -20-70 degree. Receiver sensitivity: -92dBm in 2Mbps mode, -95dBm in 1Mbps […]
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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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$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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$8.25ESP32 Development Board WiFi+Bluetooth 30 Pin ESP32 Development Board Feature: 100% brand new and high quality. ESP32 is already integrated antenna and RF balun, power amplifier,low-noise amplifiers, filters, and power management module. The entire solution takes up the least amount of printed circuit board area. This board is used with […]
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.
