| Artist | : | Doorbell using NE555 on #breadboard |
| Title | : | DIY Simple Circuits |
| Duration | : | 8 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |
| Artist | : | Doorbell using NE555 on #breadboard |
| Title | : | DIY Simple Circuits |
| Duration | : | 8 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |