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Product description: Set of 3 mm and 5 mm LED diodes - justPi - 300 pcs + organizer
The justPi kit consists of 300 LEDs in two popular housing sizes – 3 mm and 5 mm : 20 each of 5 mm and 40 each of 3 mm in yellow, red, green, blue, and white, all housed in a small organizer . They are perfect for building signaling systems, educational projects, and electronics experiments. The components are compatible with popular platforms such as Arduino , Raspberry Pi , STM32 , ESP32 , and other microcontrollers. The kit will be useful both for learning the basics of electronics and for implementing more advanced projects.
Set of 3 mm and 5 mm LED diodes - justPi - 300 pcs. + organizer.
It's important to remember that every LED needs a suitable resistor. Failure to do so will result in irreversible damage. Not sure which resistor to choose? Learn how to choose the right resistor for your LED !
The set contains 20 pieces of 5 mm diodes and 40 pieces of 3 mm diodes in yellow, red, green, blue and white.
How to properly install 3mm and 5mm LEDs?
When mounting LEDs, pay attention to their polarity. The longer lead indicates the anode (positive terminal), while the shorter lead indicates the cathode (negative terminal) . To protect the diode from damage, use a current-limiting resistor with a value matched to the supply voltage and diode parameters – typically between 220 Ω and 1 kΩ. Diodes can be mounted on breadboards during prototyping or soldered directly to PCBs in finished devices. Maintaining the appropriate power supply parameters will ensure stable operation and long component life.
| Contents of the set | |||
|---|---|---|---|
| No. | Photo | Name | Quantity |
| 1 |  | 20 pcs. | |
| 2 |  | 20 pcs. | |
| 3 |  | 20 pcs. | |
| 4 |  | 20 pcs. | |
| 5 |  | 5mm white LED | 20 pcs. |
| 6 |  | 3mm red LED | 40 pcs. |
| 7 |  | 3mm green LED | 40 pcs. |
| 8 |  | 3mm yellow LED | 40 pcs. |
| 9 |  | 3mm blue LED | 40 pcs. |
| 10 |  | 3mm white LED | 40 pcs. |
| 11 |  | Organizer | 1 pc. |
