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SC8 CO2 Sensor 400-5000PPM Infrared IR Gas Concentration Detection Module Carbon Dioxide Detector
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  • $25.91 –
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  • $23.11 - $25.91
000 JESSINIE 5Pcs DHT11 Digital Temperature and Humidity Sensor Module DHT11 Temperature and Humidity Test Probe
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  • $17.91 –
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  • $15.11 - $17.91
5PCS SIP-1A05 Reed Switch Relay 5V SIP-1A05 Reed Relay Switch 4 Pins DC Resistance 450~550ohm Normally Open 1A Relay Module
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  • $16.34 –
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  • $13.54 - $16.34
DC 6-30V Timer Relay with LCD Display, 1 Channel Delay Controller Module, Type-C Interface, Power Off Cycle Timer
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  • $16.30 –
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  • $13.50 - $16.30
40Pcs 49E Hall Element S49E SS49E Linear Hall Element Linear Hall Effect Sensors 3 Pins Sensor Element Switch OH49E TO-92S
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  • $18.84 –
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  • $16.04 - $18.84
12V Power On Time Delay Relay Module, Adjustable Delay Timer Circuit Board, for Automation Projects
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  • $16.36 –
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  • $13.56 - $16.36
5Pcs PAM8403 Dual-Channel Power Amplifier Module PAM8403 Two-Channel Amplifiers Mini Digital Amplifier Board with Volume Adjustment
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  • $17.93 –
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  • $15.13 - $17.93
C8D Dual-Channel NDIR CO2 Carbon Dioxide Sensor, Infrared Gas Concentration Detection Module 0-5000PPM
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  • $37.08 –
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  • $34.28 - $37.08
2pcs IP5328P Bidirectional FastCharge Power Bank Module, 3.7 V to 5 V 9 V 12 V Boost Converter Board
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  • $19.40 –
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  • $16.60 - $19.40
ESP8266 24V Relay Module, 16 Channel 10A ESP-12F Development Board for Smart Home IoT, DC24V Power Supply
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  • $37.66 –
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  • $34.86 - $37.66
5Pcs PAM8302 Single Channel Audio Amplifier Module Board D 2.5W MP4 Audio Power Amplifier Board Amp MP3 PAM8302 Module
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  • $17.93 –
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  • $15.13 - $17.93
2pcs INA219 I2C High Precision Bi-Directional DC Current Sensor Module for Zero Drift and Power Monitoring
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  • $18.84 –
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  • $16.04 - $18.84
5PCS AC DC Converter Module AC 220V to 12V 400mA 4.5W Buck Converter Step Down Power Supply Module Isolated Switching Converter
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  • $17.91 –
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  • $15.11 - $17.91
DC 6-30V Timer Delay Triggered Relay Module 1 Channel Way 5V Multifunction Switch Control Relay Cycle Timer Digit LED Display Micro USB
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  • $16.17 –
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  • $13.37 - $16.17
M12 Laser Collimator Photoelectric Switch M12JG-30N1 Laser Sensor Switch Semi Waterproof DC 20 Meters Distance Normally Open B-NPN-O Red Light
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  • $22.01 –
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  • $19.21 - $22.01
High-Temperature Polyimide Tape with Silicone Adhesive - 1/8'', 1/4'', 1/2'', 1'' Multi-Size Bundle for Masking, Soldering, Electronics
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  • $17.79 –
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  • $14.99 - $17.79
2pcs 0.49" OLED Display Module, IIC I2C 64x32 SSD1306 White Screen, for DIY Projects
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  • $17.93 –
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  • $15.13 - $17.93
5Pcs HLK-LD101 10G Radar Module Intelligent Microwave Induction Switch Doppler Human Movement Detection Sensor
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  • $17.72 –
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  • $14.92 - $17.72
4 Pack L298N Motor Driver Module, Dual Bridge DC Stepper Motor Controller, 2A Current 5V-35V Voltage 78M05 Regulator
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  • $17.91 –
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  • $15.11 - $17.91
2pcs CH341T USB to I2C and UART Serial Converter Module, USBTTL 3.3 V 5 V, Up to 2 Mbps
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  • $17.77 –
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  • $14.97 - $17.77
5V Multi-Mode Time Delay Relay Module, Adjustable Delay Timer, for Automation Home Appliances DIY Projects
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  • $17.66 –
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  • $14.86 - $17.66
5PCS XL6009 Boost Buck DC-DC 15W Booster Modules Adjustable Step Up Down Converter Module Solar Voltage
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  • $18.84 –
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2 Pack 5V 2-Channel Relay Module with Optocoupler, Red Expansion Board Supports High/Low Level Trigger 2-Way OPTO
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  • $17.47 –
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  • $14.67 - $17.47
YS-SR1 DC 5V Sound Voice Recording Playback Module Sound Recorder Board Loudly Public Voice Playback Loudspeaker Megaphone Replace ISD1820
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  • $17.93 –
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  • $15.13 - $17.93
LT3045 3.3V Linear Voltage Regulator Step-Down Module Single Power Supply Transformer Module Output 3.3V 500mA
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  • $22.04 –
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  • $19.24 - $22.04
5PCS RT Split Ultrasonic Transducer Sensor Ultrasonic Sensor Probe Diameter 16mm 40KHz for Motion Detection
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3PCS USB to TTL Serial Port Converter Module CH340N Chip Integration 5V to 3.3V FS-USB-UTTL
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  • $17.77 –
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  • $14.97 - $17.77
16 Channel 5V Relay Module with Optocoupler Isolation 10A IIC Expandable Isolation Driver Relay Board XL9535-K16V5
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  • $23.34 –
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  • $20.54 - $23.34
1 Channel 5V Low Level Trigger Solid State Relay Module with Fuse, 1 Way 250V 2A for Industrial Control Applications
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  • $17.98 –
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  • $15.18 - $17.98
LCUS-2 USB Relay Module 2 Channel with Overcurrent Protection for Home Automation, Serial Control, Intelligent USB Switch
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  • $16.49 –
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  • $13.69 - $16.49