The brightness test monitor is a very simple monitor that measures the brightness of an image displayed on it. The idea is that if the brightness of your monitor is too low, you'll be able to adjust it using this simple device.
The brightness test monitor is a very simple monitor that measures the brightness of an image displayed on it. It uses linear space reflectance (LSR) technology to ensure accurate color reproduction and light output control.
The brightness test Camera Monitor can be made fairly easily using a light-sensing resistor (LSR). An LSR is a resistor with a high resistance in the dark and a low resistance in the light. It can be used to make our brightness test monitor by connecting it between your computer’s video card and its associated power supply.
The schematic diagram shown below shows how an LSR can be connected to create a brightness test monitor. The value of R1 should be between 1 kΩ and 10 kΩ; this will depend on the sensitivity of your particular LSR, but you should not exceed this range of values for R1 because it will cause too much current flow through the circuit!
The LSR circuit is a great tool to have at your disposal if you're working with monitors or projectors—especially if you want to make sure they're as bright as they can be. To download the PDF file, click here. It's designed to be printed on standard letter-sized paper, so there's no need for special equipment or expensive inks or toner cartridges!
The LSR circuit will allow you to test the brightness of your monitor in less than 5 minutes; all that's required is a multimeter and common household items like duct tape and scissors. If you're interested in testing how bright your projector is, just follow these simple steps:
PDF file of this guide
Circuit diagram and schematic (a PDF)
PCB layout (a PDF)
Bill of materials (a CSV)
Download links are provided below. Each download contains a copy of the design files and bill of materials used to build the External Camera Screen. The bill of materials references every component used in this project, including their part numbers and quantities required for assembly.
The brightness test monitor is a very simple monitor that measures the brightness of an image displayed on it. It can be made fairly easily using a light sensing resistor (LSR). See and download the LSR circuit as a printable PDF file.