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$2.50This MQ-135 gas detector module is used for leak detection of Ammonia (NH3), Nitrogen Oxides (NOx), Alcohol, Benzene, Smoke, and CO2. 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 output (0V to […]
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Select options This product has multiple variants. The options may be chosen on the product page Quick View$0.30 – $2.0074LS48 BCD to 7segment 74LS47 BCD to 7segment 74HC595 Driver 7segment 8bits 74LS73 Dual JK Flip Flop 74LS74 D Flip Flip 74LS90BCD Counter 74LS00 Logic Gates NAND 74LS02 Logic Gates NOR 74LS04 Logic Gates NOT 74LS08 Logic Gates AND 74LS32 Logic Gates OR 74LS86 Logic Gates XOR 74LS83 Binary Adder […]
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Select options This product has multiple variants. The options may be chosen on the product page Quick View$0.40Potentiometer Linear WH148 15mm
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Select options This product has multiple variants. The options may be chosen on the product page Quick View$0.38Transistor E13005 Transistor TIP31C Transistor TIP32C Transistor TIP41C Transistor TIP42C
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Select options This product has multiple variants. The options may be chosen on the product page Quick View$0.40 – $0.75bolt
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Select options This product has multiple variants. The options may be chosen on the product page Quick View$0.16 – $1.00Single Female 6Pins Header Straight Single Female 8Pins Header Angle Single Female 40Pins Header Angle
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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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$3.00ABS Plastic Case For Raspberry Pi 4 Model B Official Case From Raspberry Pi without Cooling Fans
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$6.50The Arduino Nano is a small, complete, and breadboard-friendly board based on the ATmega328 (Arduino Nano 3.x). It has more or less the same functionality of the Arduino Duemilanove, but in a different package. It lacks only a DC power jack, and works with a Mini-B USB cable instead of a standard one.
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Select options This product has multiple variants. The options may be chosen on the product page Quick View$0.50 – $3.80Blue PCB PCB Board DIY PCB
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$2.00Description: Input voltage :4V ~ 35V The output voltage : 1.23V ~ 30V Output Current :3A( Max) Conversion efficiency:92%( MAX ) Output ripple: <30mV Switching frequency: 150KHz Working temperature: -forty Five~ +85 Size :43mm * 21mm * 14mm(Long*Width*Hight) Features: The range of input voltage: 3.2 V to 40 V dc (input […]
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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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$3.00Specification: Module properties: non-isolated step-down module ( BUCK ) Rectification: non-synchronous rectifier Input voltage: DC 4V ~ 38V Output voltage: DC 1.25V ~ 32V ( adjustable ) Output current: 0A ~ 5A Output power: 75W ( more than 50W please add heat sink ) Operating Frequency: 180KHz Operating Temperature: -40°C […]
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$3.50Soil Moisture Humidity Sensor with 12VDC Relay Description: Through the potentiometer adjusting soil moisture threshold control, automatic in garden, garden automatic watering, family flowerpot soil humidity control, all kinds of electronic games, with high power relay, can control large current device, less than setting humidity automatic start relay, greater than […]
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Select options This product has multiple variants. The options may be chosen on the product page Quick View$0.50 – $1.50Best 18650 Battery Holder High Quality
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Select options This product has multiple variants. The options may be chosen on the product page Quick View$0.40Potentiometer 3386P Trimmer Knob
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$2.00DS3231 AT24C32 IIC Module Precision Real Time Clock with Battery CR2032 Module parameters: 1 Size: 38mm (length) * 22mm (W) * 14mm (height) 2 Weight: 8g 3 Operating voltage :3.3 – 5 .5 V 4 clock chip: high-precision clock chip DS3231 5 Clock Accuracy :0-40 ° range, the accuracy 2ppm, […]
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.
