New chip design heralds arrival of compact low-power 4K projectors

Texas Instruments has announced a new DLP display controller that’s markedly smaller than previous iterations, and is designed to cater to a new wave of compact 4K UHD projectors as well as augmented-reality glasses.Continue ReadingCategory: Home Enter… Continue reading New chip design heralds arrival of compact low-power 4K projectors

Perfecting the Pulse Oximeter

Showing pulse oximeter and color sensor combining to measure oxygen in blood and skin tone

We’re always looking for interesting biohacks here on Hackaday, and this new research article describing a calibrated pulse oximeter for different skin tones really caught our attention. Pulse oximeters are …read more Continue reading Perfecting the Pulse Oximeter

An Oscilloscope Trigger For Vintage Video Processors

A small green circuit board with a tiny OLED display

Working on retro computers is rarely straightforward, as [ukmaker] recently found out while designing a new display interface. Their oscilloscope was having trouble triggering on the video signal produced by …read more Continue reading An Oscilloscope Trigger For Vintage Video Processors