In order to help his friend prepare for a talk at DEFCON this weekend, [Craig] built an IR photodiode amplifier circuit ... the positive input and adds some diodes in the feedback loop to reduce ...

What many of us may be unaware of though is that an LED is also a photodiode, and can even be persuaded to generate usable quantities of power. [Voltative] takes a look at this phenomenon with a ...

Opto Diode’s products include superior performance LEDs (in the visible spectrum), high-power infrared LEDs, silicon photodiodes, arrays & electro-optical assemblies. The company’s new IRD line of UV ...

Researchers developed a single photodiode sensor that detects full-color light using perovskite materials, impedance data, ...