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2x18650 battery holder without a cover
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2×18650 battery holder without a cover

2x18650 battery holder without cover—spring-loaded contacts for DIY battery packs, Arduino projects, and portable electronics.

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DC-DC 12V to 3.3V-12V power module
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DC-DC 12V to 3.3V-12V power module

DC-DC 12V to 3.3V–12V power module—adjustable step-down voltage regulator for Arduino, Raspberry Pi, and DIY electronics projects.

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DC power jack male connector with a 2-pin screw terminal
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DC power jack male connector with a 2-pin screw terminal

DC power male connector with 2-pin screw terminal—easy, secure power connection for Arduino, Raspberry Pi, and DIY electronics projects.

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DC-DC SX1308 step-up adjustable power module
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DC-DC SX1308 step-up adjustable power module

DC-DC SX1308 step-up adjustable power module—boost voltage regulator for Arduino, Raspberry Pi, LED strips, and DIY electronics projects.

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HC-12 SI4463 TTL LoRa Module
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HC-12 SI4463 TTL LoRa Module

HC-12 SI4463 TTL LoRa Module – Long-range 433MHz wireless module with TTL interface, low power, ideal for IoT, remote sensing, and automation projects.
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C-Type USB power bank charging module
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C-Type USB power bank charging module

C-Type USB power bank charging module—safe and efficient charging solution for Li-ion/Li-Po batteries in DIY and portable electronics.

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5V Dual USB Boost Converter Module 134N3P
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5V Dual USB Boost Converter Module 134N3P

5V dual USB boost converter module 134N3P—step-up power module for DIY power banks and battery-powered electronics projects.

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MT3608 DC-DC Step Up Module
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MT3608 DC-DC Step Up Module

MT3608 DC-DC step-up (boost) module with adjustable output—ideal for Arduino, battery-powered devices, and DIY electronics projects.

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400kV high voltage step-up power module
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400kV high voltage step-up power module

400kV high voltage step-up power module for science experiments, arc discharge demonstrations, and educational projects.

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Mini 360 DC-DC buck converter power module
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Mini 360 DC-DC buck converter power module

Mini 360 DC-DC buck converter module—compact step-down voltage regulator for Arduino, ESP32, and DIY electronics projects.

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MP1584EN Mini 3A DC-DC Buck Converter module
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MP1584EN Mini 3A DC-DC Buck Converter module

MP1584EN mini 3A DC-DC buck converter module—high-efficiency adjustable step-down power regulator for DIY and embedded electronics.

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ESP32 LoRa SX1278 0.96" Blue OLED Display BT WiFi Module
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ESP32 LoRa SX1278 0.96″ Blue OLED Display BT WiFi Module

ESP32 LoRa SX1278 OLED Module
Compact ESP32 module with 0.96" blue OLED display, WiFi, Bluetooth, and long-range LoRa communication. Ideal for IoT projects, smart devices, and DIY electronics.
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