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AC-DC isolated switching step-down power supply module

AC-DC isolated switching step-down power supply module—efficient and safe DC output, ideal for Arduino, IoT, and embedded electronics projects.

LEAD ACID BATTERY RECHARGEABLE 1.3A 12V

12V 1.3Ah lead acid rechargeable battery—compact, reliable power source for DIY electronics, backup systems, and small devices.

ESP32S WROOM-32 MCU NodeMCU CP2102 (30 Pin)

  • Powerful ESP32 MCU: Dual-core 32-bit processor delivers high performance for IoT, robotics, and automation applications

  • Built-in Wi-Fi & Bluetooth: Supports 2.4 GHz Wi-Fi (802.11 b/g/n) and Bluetooth for seamless wireless connectivity

  • CP2102 USB Interface: Reliable USB-to-UART converter ensures stable programming and fast data transfer

  • 30-Pin GPIO Support: Multiple digital & analog pins for sensors, relays, motors, displays, and modules

  • Wide Software Compatibility: Works with Arduino IDE, MicroPython, and ESP-IDF for flexible development

  • Low Power Operation: Supports deep sleep modes for battery-powered and energy-efficient projects

  • Ideal for Multiple Uses: Suitable for smart home, industrial monitoring, DIY electronics, and student projects

12V 1A center-tapped electronic transformer

12V 1A center-tapped electronic transformer for low-voltage AC circuits—ideal for DIY power supplies, rectification, and electronics projects.

AC DC 500MA 230V TO 12V TRANSFORMER

AC-DC 500mA 230V to 12V transformer—compact and reliable AC step-down solution for DIY electronics, low-power circuits, and hobby projects.

TP5000 lithium battery charging module

TP5000 lithium battery charging module with CC/CV charging, overcurrent protection—ideal for Li-ion/ Li-Po battery DIY projects.

ESP32-C3 SuperMini Development Board

Specifications:

  • Processor: ESP32-C3 RISC-V 32-bit

  • Connectivity: Wi-Fi 2.4 GHz, Bluetooth 5 (BLE)

  • Interface: USB-C

  • Operating Voltage: 3.3V

  • Development Support: Arduino IDE, ESP-IDF, MicroPython

  • GPIOs: Multiple for sensors & modules

  • Dimensions: Ultra-compact SuperMini

Ideal For:
IoT projects, robotics, smart devices, embedded system prototyping, and wireless automation.

3×18650 battery holder without a cover

3x18650 battery holder without cover—spring-loaded contacts for DIY battery packs, Arduino, robotics, and portable electronics.

2S 20A 18650 lithium battery protection board (BMS)

2S 20A 18650 lithium battery protection board (BMS)—overcharge, over-discharge, and overcurrent protection for 2-cell Li-ion packs.

TP5100 Li-ion battery charging board

TP5100 Li-ion battery charging board with CC/CV charging and protection features—ideal for Li-ion/ Li-Po DIY projects and portable devices.

20A 3.7V 18650 Li-ion Battery Protection Board (BMS)

20A 3.7V 18650 Li-ion battery protection board (BMS)—overcharge, over-discharge, and overcurrent protection for single-cell Li-ion packs.

1X18650 battery holder

1x18650 battery holder with spring-loaded contacts—ideal for Arduino, robotics, and portable DIY electronics projects.