Remove item Thumbnail image Product Price Quantity Subtotal × Fancy-Looking Diode Circuit Problem $96.59 Fancy-Looking Diode Circuit Problem quantity $96.59 × Diode & Battery Waveform Tutorial $95.98 Diode & Battery Waveform Tutorial quantity $95.98 Coupon: Apply coupon Update cart Cart totals Subtotal $192.57 Total $192.57 Proceed to checkout