Soldering exercise in the shape of a five-pointed star
The five-pointed star shape consists of 50 light-emitting diodes and is controlled by a single-chip microcomputer program with a program download interface to perform various display effects.
Overview:
- Product model: TJ-56-171
- Operating voltage DC 4.5 - 5 V
- Power supply via mini-USB connection (incl. cable)
- PCB size: 90x 82 mm
- labeled PCB board
| Component list | ||||
| No. | Designation | PCB marking | Parameter | Quantity |
| 1 | RGB LED | D1 to D50 | 5 mm | 50 |
| 2 | Metal film resistor | R1-R10 | 1K | 10 |
| 3 | Self-locking switch | SW1 | 1 | |
| 4 | IC socket | U! | DIP-28 | 1 |
| 5 | STC15F204EA Chip | U1 | DIP-28 | 1 |
| 6 | Micro-USB-Stecekr | P1 | SMD | 1 |
| 7 | 4P connector | J20 | 4P | 1 |
| 8 | Printed circuit board (PCB) | - | 90 x 82 mm | 1 |
| 9 | USB cable | - | 1 | |
Scope of delivery:
- 1x soldering exercise five-pointed star with RGB LEDs