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lead acid battery capacity indicator
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lead acid battery capacity indicator

Lead acid battery capacity indicator—monitor voltage, charge level, and health for automotive, solar, and backup systems.

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ZB2L3 18650 battery capacity tester
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ZB2L3 18650 battery capacity tester

ZB2L3 18650 battery capacity tester—accurate and portable tool to measure voltage, capacity, and health of Li-ion batteries.

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30A Intelligent LCD Solar Controlle
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30A Intelligent LCD Solar Controlle

30A intelligent LCD solar controller—efficient and safe solar charge regulator for batteries and off-grid systems.

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22.5W 5-port bidirectional fast charging printed circuit board module for mobile devices
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22.5W 5-port bidirectional fast charging printed circuit board module for mobile devices

22.5W 5-port bidirectional fast charging PCB module—safe and efficient solution for DIY power banks and multi-device mobile charging.

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AI Thinker SX1278 LoRa RA-01 433MHz Wireless Transceiver Module with Baseboard
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AI Thinker SX1278 LoRa RA-01 433MHz Wireless Transceiver Module with Baseboard

AI Thinker SX1278 LoRa RA-01 433MHz Wireless Transceiver Module with Baseboard

High-performance 433MHz LoRa module with baseboard for long-range, low-power wireless communication—perfect for IoT, smart devices, and remote sensing projects.

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circuit board for mobile charging
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circuit board for mobile charging

Circuit board for mobile charging—efficient, safe, and compact solution for DIY projects, mobile repair, and custom power banks.

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AI Thinker NF-01N Wireless ESP8266
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AI Thinker NF-01N Wireless ESP8266

AI Thinker NF-01N Wireless ESP8266

Compact Wi-Fi module for IoT projects. Easy integration, low power, and reliable wireless connectivity for smart devices, sensors, and automation systems.

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DC-DC buck converter module
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DC-DC buck converter module

DC-DC buck converter module—efficient step-down voltage regulator for Arduino, IoT, and DIY electronics projects.

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LM317 DC-DC adjustable step-down buck converter module
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LM317 DC-DC adjustable step-down buck converter module

LM317 DC-DC adjustable step-down regulator module—simple, stable voltage control for Arduino, learning, and DIY electronics projects.

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LM2596 DC-DC buck converter module
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LM2596 DC-DC buck converter module

LM2596 DC-DC buck converter module—adjustable step-down voltage regulator up to 3A for Arduino, LED, and DIY electronics projects.

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LM2596HVS DC-DC buck converter module
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LM2596HVS DC-DC buck converter module

LM2596HVS DC-DC buck converter module—high-voltage step-down regulator up to 3A for industrial, automotive, and DIY 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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