We will carefully test every item before shipment.

Tquality is guaranteed!

Features:
1. High-quality PCB board: PCB circuit design is reasonable and beautiful, tline is even and tidy, and tsilk screen is clear and clean.
2. Professional materials: Tproducts adopt all-industry-grade components, and tlong- working voltage has no drift.
3. Easy to operate: Tproduct connection has a clear function mark and is easy to operate.
4. Good practicability: This product can be used as tperfect choice for texpansion of tkeyboard of tsingle-chip microcomputer. It is more convenient to increase tnumber of keyboard keys.
5. Easy to carry: This product has a portable size so it is very easy to carry.

Descriptions:
This product uses a high quality PCB board and is small in size, saving space and easy to use.
It is tbest choice for texpansion of tkeyboard.

Specifications:
Color: bule
Item No.: 21290

Package Included:
1 x MCU external expansion keyboard

s:
1.Due to tdifference between different monitors, tpicture may not reflect tactual color of titem. We guarantee tstyle is tsame as shown in tpictures.
2.Please allow slight dimension difference due to different manual measurement.

Feedback

1. Your feedback is ly important to us. Please take a few secoto leave a great feedback if you are satisfied with our product and service, thank you!

2. We always offer tlowest price for best goods and service to you.

3. Big order discount: If you need to place big order which is more than tmax quantity, please contact us to get special discount, and we support twholesale.