✔️3220 Test Points, 4 Binding Posts ✔️7 Power Lanes, Tie-point 700; 4 Double Strips, Tie-point 2520; ✔️ABS housing, metal contact clips; Accept wire with diameter 20-29AWG;Black aluminum plate ✔️Binding Posts Coded Black, Red, Yellow and Green ✔️Perfect for Arduino Shield Prototyping and Testing. Powered by Makeronics Technology Breadboard 3220 is designed for solderless experimental design electronic circuit manufacture. Variety of electronic components can be freely inserted or removed as needed,
eliminating the need for welding, saving assembly time of the circuit, the element can be reused, very suitable for electronic circuit assembly, commissioning and training.

1. Accepts most electronic components, including integrated circuits and transistors for digital and/or analog circuitry;
2. ABS plastic material;
3. Completely reusable;
4.Binding Posts Coded Black, Red, Blue and Green.
5. Accepts a variety of wire sizes(AWG:20-29)
6. Coloured coordinates for easy component placement
7. Pins are identified by numbered rows and columns;
8. Ideal for high frequency and low noise circuits;
9. Use to breadboard and debug circuit designs;
10. Black aluminum back plate