“3.7V Rechargeable Li-ion 18650 Battery – Red Color Ultrafire Battery for Flashlight, Arduino, and DIY Electronics” has been added to your cart. View cart
Control high-voltage devices with ease using the 1 Channel 5V Relay Module. Ideal for Arduino, ESP8266, or Raspberry Pi-based automation projects, this module allows safe switching of AC or DC loads.
A versatile 16x2 alphanumeric LCD display with a bright blue backlight, ideal for Arduino, ESP32, ESP8266, PIC, AVR, STM32, and other microcontrollers. Great for displaying data, menus, or sensor values.
Reliable and rechargeable 18650 Lithium-ion 3.7V battery in pink casing—suitable for powering Arduino, ESP32, IoT modules, flashlights, and DIY electronics. A great choice for makers and embedded system enthusiasts.
High-quality 1S 18650 battery holder case with wires, designed to securely hold one 3.7V Li-ion battery. Ideal for Arduino, ESP32, Raspberry Pi, and robotics projects.
Easily control two AC or DC devices with the 2 Channel 5V Relay Module. Perfect for smart home, IoT, and automation projects using Arduino, Raspberry Pi, ESP32, and more.
The 20x4 LCD Display Module can display 4 lines of 20 characters, making it perfect for real-time data display in Arduino, ESP32, Raspberry Pi, and other microcontroller-based projects.
The 20x4 I2C LCD Display Module shows up to 80 characters and requires only 2 data pins (SDA & SCL), making it ideal for Arduino, ESP32, Raspberry Pi, and IoT projects where pin-saving is essential.
Durable 2-cell 18650 battery holder case for securely housing two 3.7V Li-ion batteries in series (total ~7.4V output). Ideal for Arduino, robotics, ESP32, Raspberry Pi, and power supply projects.
Reliable and easy-to-use USB charger for 3.7V Li-ion batteries including 18650, 14500, and 16340. Ideal for powering up your batteries for flashlights, DIY projects, and more.
High-quality Ultrafire 18650 3.7V Li-ion rechargeable battery, ideal for flashlights, Arduino projects, power banks, and other DIY electronics applications. Compact, reliable, and long-lasting.
Easily control four AC or DC devices with the 4 Channel 5V Relay Module. Ideal for Arduino, ESP32, and Raspberry Pi projects involving home automation, IoT, or industrial control.