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35W DC 5.5-30V to 0.5-30V Digital LCD Display Automatic Step up down Buck Boost Converter Power Supply Module Adjustable Board

Voice player module, MP3 trigger, play once, Microcontroller, DIY control, M3D5T advertising

1Set QRP Pixie Kit 40M CW Ham Radio Shortwave Transmitter Receivers Module Radio Diy Kits 7.023MHz-7.026MHz 5x5cm

DC3-5V Handheld Simple Metal Detector Electronic Kit DIY Metal Detector Kit DIY Technology Training Welding Metal Detector

XH-A414 DC12-24V 5.0 Bluetooth digital amplifier board 50W+50W onboard TPA3118D2 amplifier chip 50K dual potentiometer

1PCC 5/10PCS DC5V Usb Ultrasonic Nebulizer Humidifier Nebulizer Driver Module Mini Humidifier Diy Kit Type-C With Atomizer Sheet

1/2PCS NRF24L01 Wireless Module Adapter Board 3.3V 8Pin NRF24L01 Wireless Transceive Module for Arduino Smart Robot Car DIY

Mini Router Uninterruptible Power Supply Board 40W Battery Charging Board 12.6V UPS Power Module 403S

5-20PCS TTP223 Touch Sensor Module 2.5V-5.5V Single Channel Capacitive Switch Sensor with Self-Lock/Momentary Mode for Arduino

Type-C 15W 3A 18650 Lithium Battery Charger Module DC-DC Step Up Booster Fast Charge UPS Power Supply / Converter 5V 9V 12V