Common ground (A) : 無料・フリー素材/写真
Common ground (A) / cibomahto
| ライセンス | クリエイティブ・コモンズ 表示-継承 2.1 |
|---|---|
| 説明 | I learned that the two halves of the circuit need to share a common ground, so I modified the batteries so that the outer casing is grounded. Solder a wire from the ground terminal to the outside of the case, then sand off the protective paint on the bottom of the case. Be careful :-) |
| 撮影日 | 2008-02-14 13:24:28 |
| 撮影者 | cibomahto , Brooklyn, NY, USA |
| タグ | |
| 撮影地 | |
| カメラ | Canon PowerShot S3 IS , Canon |
| 露出 | 0.125 sec (1/8) |
| 開放F値 | f/2.7 |
| 焦点距離 | 6 mm |