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I keep hearing that less megapixels = better ISO performance, because larger pixels capture more light Suppose I shot something with a 4MP sensor and then downscale it to 1MP (4-to-1 pixel binning?). Would that give me the same noise performance of a 1MP sensor of same size and technology? Since noise would average outRead more

The stubborn black speck on the top right of the attached photo could not be removed by Singapore Nikon technician. The camera(Nikon D3400) is still under warranty. I was charged for the cleaning but found the speck was not removed. After they took it back to clean again, I was told the dust was “behind”Read more

I have quite the long question that stems from a feeling of desperation with this problem. To start, I am writing my thesis and it is now long overdue, reasons are plentiful but procrastination (as well as being abandoned in a group of two) might be a big one. Let me start with describing whatRead more

This is a script/tool I’ve created for work to help us prepare sensor data that comes off of field trials that had data loggers installed in commercially grown agriculture crops. This is the first script that I’ve taken the time to make it useful to others besides myself. The xls table from the data loggersRead more

I have a Samsung Galaxy J3 2016 with android 5.1 and whenever I receive calls, the screen keeps flipping on/off. I guess my proximity sensor is busted ? I also didn’t see anything in my settings regarding that. Is there any way for me to have my screen locked all the time during calls? SometimesRead more

tudo bom ?? Sou novo no meio da tecnologia. Já procurei em bastante lugar e não achei nada.. Alguém sabe aonde eu acho um ‘sensor’ que seja para pressão arterial ? Ou algum sensor que faça esse trabalho. Agradeço à atenção de todos.Read more

Where can I find documentation for ambient light sensors (ALS) of various android phones (e.g. Samsung Galaxy Note 1 to 8)? My app depends on a high data collection rate (at least 100 Hz); many Android devices are not suitable for this, whereas some, like the Samsung Galaxy Note 1/2, are more than suitable forRead more

estoy usando estas dos librerias en mi proyecto: include VirtualWire.h define USE_ARDUINO_INTERRUPTS true include PulseSensorPlayground.h el error esta en la libreria PulseSensorPlayground.h debido a que necesita del USE_ARDUINO_INTERRUPTS true, funciona bien cuando no se lo incluye la libreria VirtualWire.h al momento de usar las dos librerias surge un problema de compilacionRead more

This question already has an answer here: Is it risky or difficult to wet clean an image sensor? 4 answers Would too much sensor cleaning (wiping) impact the sharpness, dynamic range, and color depth?Read more

Well, I have scratched my sensor, or since I made research, I’d better say the infrared filter on top of my sensor. I have made sure that this is a scratch after I had my sensor cleaned by the service center. I have taken a test shot for the purpose of demonstration and this shotRead more