Design of Snifferometer

Scheme of the Device

Figure 1: Scheme of Snifferometer

Figure 2: Snifferometer

Circuit of Snifferometer

Figure 3: Circuit of Snifferometer

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Test

Eppendorf tubes are used to contain the liquid.

Figure 4: Measured data

• reduce background light intensity: right filter
• increase green light intensity
• increase the sensitivity of the circuit
• enlarge the area of fluorescent