ZHANG Haizhong's group from Fuzhou University, has developed a novel bioinspired vision sensor based on InP quantum dots (QDs)/oxide thin-film phototransistors ... Artificial visual system has a broad ...

A bit of thought led him to build a reflective sensor which can measure ... drop in intensity is picked up by the phototransistor. [Arao] made the system rock-solid by rolling an LM358 op-amp ...

[Sebastian] is trying to improve the responsiveness of an electric keyboard. He was unsatisfied with the lack of adequate sensitivity to keystroke. The first step in his process was to measure how ...