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This paper presents the design and implementation for a photoplethysmographic (PPG) sensor with an integrated photodiode and an automatic dimming control LED driver. The PPG front end is designed with a programmable low-pass cutoff frequency from 5 Hz up to 35 Hz, a high-pass cutoff frequency of 0.1 Hz, a total input referred noise current of 79 pA, and a maximum transimpedance gain of 144 dB$\Omega $ ...
In the industrial environment, the flow of materials is a complex and very expensive process. For reducing the expenses, it requires an effort to find favorable and flexible systems. Fork lift trucks are widely used in industries for transfer actions. The complexity of manually operated fork lift trucks shall be reduced by low cost automation. This paper deals with sensor interfaced automatic fork...
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