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$2.50The MQ-5 Gas Sensor module is useful for gas leakage detection (in home and industry). It is suitable for detecting H2, LPG, CH4, CO, Alcohol. Due to its high sensitivity and fast response time, measurements can be taken as soon as possible. Sensitive for LPG, natural gas, coal gas Output voltage […]
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$7.50Items Description Model: HC-08 Working frequency band: 2.4G Communication interface: UART3.3VTTL level Working voltage: 2.0 ~ 3.6v RSSI support: not supported Communication level: 3.3v Transmit power: 4dBm (max) Transmission distance: 80 meters Emission current: 31.6mA Module size: 26.9 * 13mm Air speed: 1Mbps Antenna interface: built-in PCB antenna Sleep current: […]
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$15.00This is a DC-DC constant current boost converter power supply module with DC 10-60V voltage input and DC 12V-83V output voltage. The input and output of the module are designed with screw terminals for convenient wire connection or disconnection. Besides, it is equipped with a big heat sink and cooling […]
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Select options This product has multiple variants. The options may be chosen on the product page Quick View$8.50Features: It can protect the charging batteries when short circuit happens. It can support combined use for three parallel charging boards (means you can charge eighteen batteries which have the same characters simultaneously). It has 2OZ-thick copper foil, so it can withstand continual current of 80A. It can prevent each […]
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$2.50HC-SR501 PIR Motion Sensor HC-SR501 is an electronic motion sensor that uses a passive infrared light sensing to detect any movement of an object, an animals or a person. HC-SR501 only sends positive or negative results so it is mainly used in security alarms and automatic lighting systems, and it […]
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$1.50The MAX7219/MAX7221 are compact, serial input/output common-cathode display drivers that interface microprocessors (µPs) to 7-segment numeric LED displays of up to 8 digits, bar-graph displays, or 64 individual LEDs. Included on-chip are a BCD code-B decoder, multiplex scan circuitry, segment and digit drivers, and an 8×8 static RAM that stores […]
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Select options This product has multiple variants. The options may be chosen on the product page Quick View$3.001602 LCD 16×2 Character – Built-in Character Support English and Digital Text
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$2.00PWM DC 6V 12V 24V 28V 3A Motor Speed Control Switch Controller 1203BK 1203BK DC Motor Speed Regulator controls the speed of a DC motor by adjusting Pulse-Width-Modulated (PWM) Control the speed of a DC motor with this controller High efficiency, high torque, low heat generating With reverse polarity protection, […]
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Select options This product has multiple variants. The options may be chosen on the product page Quick View$0.75 – $1.50GX-16 Aviation Connector 1 pair Male and Female Socket
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$7.50JSN-SR04T Ultrasonic Sensor Waterproof V2.0 The JSN-SR04T Ultrasonic Distance Sensor is perfect for a water level monitoring project, capable of precise non-contact distance measurements between 20cm-600cm with pinpoint accuracy of 2mm. The JSN-SR04T comes to you with a 2.5M long waterproof ultrasonic sensor and the accompanying control circuit/breakout board, meaning you’re only […]
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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.
