.:madworm:.'s photos with the keyword: scale

LM324 - single supply quad-opamp

LM324 - single supply quad-opamp

.:madworm:.
10 Aug 2013 219
Probably used to amplify the signals from the strain gauges.
Ball switch

Ball switch

.:madworm:.
10 Aug 2013 245
No wonder this thing is almost impossible to turn on. Probably oxidized.