







⚡ Prototype smarter, not harder — your Arduino’s new best friend!
The HiLetgo UNO R3 Proto Shield Expansion Board set includes two prototype boards with integrated LEDs and pushbuttons, plus two SYB-170 mini breadboards. Designed for Arduino UNO R3 compatibility, it offers full pin and power access, a compact 7x5.5cm size, and flexible solder or breadboard prototyping options, empowering makers and engineers to rapidly develop and test circuits with professional precision.
| Manufacturer | HiLetgo |
| Brand | HiLetgo |
| Item Weight | 0.8 ounces |
| Product Dimensions | 4.49 x 3.82 x 0.98 inches |
| Item model number | 3-01-0053 |
| Is Discontinued By Manufacturer | No |
| Color | Blue |
| Material Type | pcb |
| Size | Small |
| Manufacturer Part Number | 3-01-0053 |
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