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Gravity: Analog Dissolved Oxygen Sensor Kit | Galvanic Probe, No Polarization | DO Meter (0-20mg/L) | 3.3V-5V for Arduino, ESP32 & Raspberry Pi | Water Quality Monitor for Aquaculture & IoT
Limited time offer, ends 10/15
$421.50
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Gravity: 0-100% Vol Electrochemical Oxygen (O2) Sensor | Industrial-Grade Electrochemical Module | I2C Output | High-Precision Monitoring for Medical Concentrators | for Arduino, ESP32, Raspberry Pi
Limited time offer, ends 10/15
$238.75
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Industrial 48V Power Converter -10-30V Input to 48V 1.5A IP67 Waterproof -72W, Suitable for Solar Cell arrays, Electric Vehicle Chargers, and Off Grid Systems (Overload Protection)
Limited time offer, ends 10/15
$36.99
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24V to 12V 3A 36W Step-Down IP67 Dust Tight DC Power Supply with Screwdriver - for Truck/RV/Solar/Industrial Maintenance - Shock/Dust Tight (1 Year Warranty)
Limited time offer, ends 10/15
$23.99
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24V to 12V 40A 480W Power Supply Transformer - Industrial Grade Buck Converter with Overload/Short Circuit Protection for Ham Radio, CCTV System
Limited time offer, ends 10/15
$78.99
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Industrial IP67 Waterproof DC-DC Converter 10-72V to 5V 3A 15W - Solar/Truck/Marine Voltage Regulator, Suitable for Harsh Environments - Dustproof/Shockproof (1-Year Warranty)
Limited time offer, ends 10/15
$30.99
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1pc XIAO 2-Channel Wi-Fi AC Energy Meter &2pcs Non-invasive AC Current Transformer 100A-50mA
Limited time offer, ends 10/10
$143.95
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Industrial 8-Ch Analog Output Module 12-bit DA Conversion DC 7~36V Wide Voltage Power Supply, Sending Modbus RTU Protocol Commands via RS485, 8-CH Voltage Output
Limited time offer, ends 10/15
$75.99
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MicroMod ESP32 Processor - Modular Interface Ecosystem That Connects ESP32 microcontroller/Processor Board to Various/Carrier Board peripherals
Limited time offer, ends 10/10
$99.72
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1pc ADE-25 1MHz~2.7GHz Passive Frequency Mixer Module
Limited time offer, ends 10/10
$143.95
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Expansion Board 8 Channel Relay Expansion Board 5V Power Supply Compatible with A+/B+/2B/3B/3B+ Control High Voltage Home Appliances
Limited time offer, ends 10/10
$75.55
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4Pcs 4S 10A Battery Protection Board 14.8V 16.8V 20A Lithium Battery Protection Board BMS PCM Protection PCB Board Overcharge Overdischarge Overcurrent Short Circuit Protection
Limited time offer, ends 10/18
$16.73
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Adjustable Voltage Regulator Module DC-DC Power Supply 3.3V/5V Fixed & 1.2V-24V Adjustable Output, MP2491C with Digital Display & Protection for Smart Car Robot (Module + T-Plug Cable)
Limited time offer, ends 10/15
$28.98
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Expansion Board Power Relay Board Module Kit Compatible with 3 2 A+ B+ 2B 3B,Remote Control Make Home Appliances Intelligent
Limited time offer, ends 10/10
$41.95
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Industrial 8-Channel Relay Module for Pico Power Supply Isolation Photocoupler Isolation
Limited time offer, ends 10/10
$62.95
Free Shipping
ESP32 Thing Developement Board WiFi & microcontroller Compatible with Bluetooth for IoT & prototyping Projects w/Integrated LiPo Battery Charger 4MB Flash Memory 3 to 3.6V Operating Range
Limited time offer, ends 10/10
$86.82
Free Shipping
DC 5V 9V 12 24V 4 Channel bluetooth Relay Android Mobile Wireless Remote Control Switch
Limited time offer, ends 11/01
$46.92
Free Shipping
10Pcs Water Level Sensor Module for Arduino Moisture Droplet Depth Detection
Limited time offer, ends 10/17
$12.99
Free Shipping
Adjustable Voltage Regulator Module DC-DC Power Supply 3.3V/5V Fixed & 1.2V-24V Adjustable Output, MP2491C with Digital Display & Protection for Smart Car Robot (Module)
Limited time offer, ends 10/15
$24.98
Free Shipping