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4Pcs RCWL-1601 Ultrasonic Ranging Sensor Module Compatible with HC-SR04 Ranging Sensor 2.2mA Wide Voltage 3V 5V
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  • $12.99 –
  • Free Shipping
5Pcs HC-SR04 Ultrasonic Sensor Module Kit Distance Sensor Compatible with Mega R3 Duemilanove Nano for Robot XBee ZigBee by ElecRight
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  • $12.99 –
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10pcs 8.5x8.5mm Passive Electromagnetic Buzzer 3V High Temperature Resistance
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10pcs 8.5x8.5mm Passive Electromagnetic Buzzer 3V High Temperature Resistance

Limited time offer, ends 10/17

  • Model #: Kepler-8.10-OYS-731
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  • $12.99 –
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5pcs Sound Sensor Module Voice Detect Voice Control Switch
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5pcs Sound Sensor Module Voice Detect Voice Control Switch

Limited time offer, ends 10/15

  • Model #: C745-LUOYIMAN-Lsy810-086
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  • $16.99 –
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5V Power On Time Delay Relay Module, Adjustable Delay Timer Circuit Board, for Automation Projects
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  • $16.58 –
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  • $14.98 - $16.58
VS1053 MP3 Audio Player Module Audio Decoder MP3 Player Board Recording Onboard Microphone SPI Interface Output Port Audio Sound Board 1.8V 3.3V AMS-1117 Chip 800mA 12.228Mhz
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  • $16.73 –
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  • $15.13 - $16.73
30pcs YMD12095 5V Split Active Electromagnetic Buzzer 12x9.5mm Alarm Indicator Sounder
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30pcs YMD12095 5V Split Active Electromagnetic Buzzer 12x9.5mm Alarm Indicator Sounder

Limited time offer, ends 10/17

  • Model #: Kepler-8.10-OYS-368
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  • $12.99 –
  • Free Shipping
Carrier Frequency 38KHZ Far Infrared Communication Module, Far Infrared to TTL Module GND TXD RXD VCC Transceiver Pair Tube
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  • $45.04 –
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  • $43.44 - $45.04
5V Multi-Mode Time Delay Relay Module, Adjustable Delay Timer, for Automation Home Appliances DIY Projects
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  • $16.46 –
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  • $14.86 - $16.46
4Pcs RCWL-1601 Ultrasonic Ranging Sensor Module Compatible with HC-SR04 Ranging Sensor 2.2mA Wide Voltage 3V 5V
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  • $16.43 –
  • Free Shipping
  • $14.83 - $16.43
5Pcs HC-SR04 Ultrasonic Sensor Module Kit Distance Sensor Compatible with Mega R3 Duemilanove Nano for Robot XBee ZigBee by ElecRight
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  • $16.71 –
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  • $15.11 - $16.71
5V1A Wireless Power Transfer Module Wireless Charging Transmitter Receiver Inductive Coil Circuit Board Module Fun DIY Kit
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  • $16.93 –
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  • $15.33 - $16.93
12V 4 Channels Bluetooth Relay Module 4 Way Bluetooth Wireless Smart Relay Module Smart Home Phone APP Remote Control Switch
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  • $22.11 –
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  • $20.51 - $22.11
Wireless DMX512 Transceiver PCB Module 2.4G LED Stage Light Transceiver PCB Modules Board LED Controller Transmitter Receiver with Antenna
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  • $18.23 –
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  • $16.63 - $18.23
30pcs 41mm Piezo Buzzer Disc with Copper Plate Wired Lead Acoustic Sensor for Guitar Drum Trigger
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  • $16.79 –
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  • $15.19 - $16.79
30pcs YMD12095 12V Split Active Electromagnetic Buzzer 12x9.5mm Low Power for Electronic Devices
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  • $12.99 –
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