Components
1. 1×PT2399 IC.
2. 1×4858D IC.
3. 4×1KΩ resistor 1/4W.
4. 3×10KΩ resistor 1/4W.
5. 5×15KΩ resistor 1/4W.
6. 2×4.7KΩ resistor 1/4W.
7. 2×47KΩ resistor 1/4W.
8. 1×680Ω resistor 1/4W.
9. 4×1N4007 Diode.
10. 1×Led 3 mm.
11. 1×8 pin IC base/ socket.
12. 1×16 pin IC base/ socket.
13...