JHD 16x2 Jumbo Blue LCD Display Module with White Backlight mq-7 and motor speed controller

and motor speed controller

Unique serial ICSP interface

Used in power supplies wherever the levels of the high capacitance of electrolytic capacitors are not required

HCSR501 PIR Motion Sensor Detector module is used to detect motion generally

Low leakage

JHD 16x2 Jumbo Blue LCD Display Module with White Backlight mq-7 and motor speed controllerJHD 16x2 Jumbo Blue LCD Display Module is a character based display designed for embedded systems, industrial equipment, Arduino projects, and electronic instrumentation. Featuring a blue background with high contrast white characters, this display can show 16 characters across 2 lines, making it ideal for displaying sensor readings, system status, menus, and user information. The module utilizes a standard parallel interface compatible with most