10PCS Keyestudio KS0322 Double Sided PCB Prototype Boards for Arduino UNO R3

Descriptions: 
This is a PCB board kit, including 10PCS Keyestudio prototype circuit breakout boards.
If soldered well the pin header with 2.54mm pin pitch onto these PCB boards, you can seamlessly plug them into controller.

Features at a glance: 
- Perfect size for Arduino Uno R3 project seamlessly plug it into board with the pin headers and 4 mounting holes at the corners
- Adopt high-quality glass fiber FR4 material, with strong abrasion resistance, two sides can be used
- With clear yellow pin labels and pre-tinned plated holes on board, make you easily solder components and sensors
- Hole pitch: 2.54mm/0.1 inch, hole diameter: 1mm/0.04 inch, allows easy attachment of medium sized wire