Products

Arduino Leonardo R3 Board – ATMEGA32U4 Microcontroller, 20 I/o Pins, USB, 16MHz - a blue rectangular microcontroller circuit board featuring a USB port, power jack, reset button, and various pin headers.

Arduino Leonardo R3 Board – ATMEGA32U4 Microcontroller, 20 I/o Pins, USB, 16MHz

555 Timer IC NE555 LM555 Timer IC - a black, rectangular 8-pin dual in-line package integrated circuit with silver-coloured metal pins.

555 Timer IC NE555 LM555 Timer IC

Ky-038 LM393 Sound Detection Module - a red circuit board with a microphone, a blue potentiometer, a black chip, and four connector pins.

Ky-038 LM393 Sound Detection Module

Pulse Sensor Pulse Heart Rate Sensor Arduino Heartbeat Sensor - a close-up of the circular heart-shaped black and white PCB held by fingers with three attached red, black, and purple wires.

Pulse Sensor Pulse Heart Rate Sensor Arduino Heartbeat Sensor

2 Pin Sm JST Connector - shown as two large bundles of black and red wire pairs with connectors, plus two individual connector assemblies below.

2 Pin Sm JST Connector

25Q32 SPI EPROM EEPROM Memory Flash Chip Del - a close-up view of a black, square, 8-pin integrated circuit component with Winbond 25Q32FVSIG 1238 printed on it.

25Q32 SPI EPROM EEPROM Memory Flash Chip Del

Laser Diode Module 650nm 5V Laser Light Module KY008 - shown as a close-up of a small black circuit board with a brass laser head and three header pins.

Laser Diode Module 650nm 5V Laser Light Module KY008

Bluetooth 4.0 Audio Receiver Stereo Wireless Speaker Module - the green circuit board with pins, a red LED, a resistor, and two black capacitors.

Bluetooth 4.0 Audio Receiver Stereo Wireless Speaker Module