I am text block. Click edit button to change this text. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.
A88 metal detector module
A88 metal detector module with adjustable sensitivity and digital output—perfect for DIY metal detection, security systems, and electronics projects.
The A88 Metal Detector Module is a compact and easy-to-use sensor designed for detecting metal objects. It outputs a digital signal when a metal object is detected, making it suitable for interfacing with microcontrollers such as Arduino, ESP32, ESP8266, and Raspberry Pi.
The module features adjustable sensitivity via a potentiometer, allowing precise tuning for different detection ranges and types of metal. It is widely used in security systems, DIY metal detectors, robotics, industrial automation, and educational electronics projects.
With its small form factor, low power consumption, and reliable performance, the A88 module is ideal for both hobbyists and professional electronics applications.

Related products
58mm Thermal Printer (Black)
- Heavy-duty 58mm direct thermal printer
- Inbuilt Adapter
- High speed printing of 90mm / Sec
- Free Drivers, USB, Adapter and Paper Roll
- Interface: usb + cash drawer support.
- Works with windows 7 / 8 /10
- High speed printing
- Long life thermal head.
- Perfect print quality
- Low cost,Low noise, fast speed print.
- Support cashbox drive.
- Compact and lightweight,beautiful design.
- Â Built in data bumper (data received when printing).
- Interface type parallel port or serial port.
- Support to enlarge characters and adjust characters spacing for printing.
- Compatible with esc/order pos.
- Operation temperature0~50 Degree C
- Relative humidity10~80%
- Item size 12.8 * 18 * 10.8cm
Mini Portable Virtual Laser Projection Keyboard and Mouse Wireless Bluetooth
- Compatible with Android, iOS, Windows and Mac all kinds of operation systems that can be used with any phone, tablet, PC and laptop for a smooth and fast way of text input.
- Built-in Bluetooth for connecting to other devices without complex wired troubles
- More stable and smarter
- Can change the mini USB port to micro USB port.Â
- With mini Bluetooth speakers, which support voice reporting and music playing
- 3 in 1 Function: Laser keyboard,Mouse and bluetooth speaker
- Good touch sensitivity
- The BEEP sound and brightness can be adjusted on the laser keyboard

Reviews
There are no reviews yet.