Electronic Modules

The 2 Channel 5V Relay Module with Optocoupler Protection is a dual-channel switching module designed to control two AC or DC electrical loads independently using low-voltage signals from a microcontroller or digital control circuit. The module operates from a 5V DC supply and typically uses two SPDT electromechanical relays, each...

The SPDT Relay 12VDC – PCB Mount 5 Pin is a compact electromechanical power relay designed to switch AC or DC electrical loads using a 12V DC coil supply. Featuring a Single Pole Double Throw (SPDT) contact arrangement, the relay provides Common (COM), Normally Open (NO), and Normally Closed (NC)...

The TP4056 Battery Charging/Protection Module (Micro USB) is a compact charging solution designed for single-cell 3.7V Lithium-Ion (Li-ion) and Lithium Polymer (Li-Po) batteries. Built around the TP4056 linear charging IC, along with the DW01A battery protection IC and FS8205A dual MOSFET, the module provides intelligent battery charging while protecting the...

The SPDT Relay 5VDC – PCB Mount 5 Pin is a compact electromechanical relay designed for switching high-voltage or high-current loads using a low-voltage 5V DC coil. Featuring a Single Pole Double Throw (SPDT) contact configuration, the relay provides Normally Open (NO), Normally Closed (NC), and Common (COM) terminals, making...

The TTP224 4-Channel Touch Sensor Module is a capacitive touch input module designed to replace traditional mechanical push buttons with reliable touch-sensitive controls. Based on the TTP224 capacitive touch detection IC, the module provides four independent touch pads, each with its own digital output, allowing users to easily implement touch...

The KY-040 Rotary Encoder Module is a versatile input device designed to detect rotational movement and direction with high accuracy. Unlike traditional potentiometers, the rotary encoder can rotate continuously without mechanical stops, making it ideal for menu navigation, parameter adjustment, volume control, and position sensing applications. The module features a...

The KY-005 IR Transmitter Sensor Module is a compact infrared transmission module designed to emit 38kHz modulated infrared signals for wireless communication and remote control applications. The module features a high-power infrared LED that transmits invisible IR light, making it suitable for communication with standard IR receiver modules such as...

The KY-004 Momentary Tactile Push Button Module is a simple digital input module designed to provide reliable user input for microcontroller-based projects. It features a high-quality tactile push button that generates a digital signal when pressed, making it ideal for triggering events, menu navigation, user interaction, and control applications. The...

The KY-008 Laser Module is a compact red laser emitter module designed to produce a focused 650nm visible red laser beam for alignment, positioning, detection, and educational applications. The module integrates a laser diode with a current-limiting resistor, allowing it to operate directly from a 5V DC power supply. With...

The KY-029 3mm Two-Color LED Module is a compact indicator module featuring a 3mm dual-color LED, typically capable of displaying red and green light. By independently controlling each LED terminal, the module can illuminate either color individually or both together (depending on the LED configuration), providing versatile visual indication for...

The KY-011 5mm Two-Color LED Module is a compact LED module featuring a 5mm dual-color LED, typically capable of displaying red and green light. By controlling the LED pins individually, users can illuminate either color independently or both simultaneously (depending on the LED configuration), making it ideal for status indication,...

The 7 Color Flash LED is a self-flashing multicolor LED that automatically cycles through seven vibrant colors without requiring an external controller or microcontroller. The LED contains an integrated control IC that continuously changes the emitted color, creating attractive lighting effects with a simple DC power supply connection. Its low...