[Jure Spiler] was at a flea market and got himself a spectrophotometer — a device that measures absorbance and transmittance of light at different wavelengths. This particular model seems to be about ...

Old lab equipment was often built to last, and can give decades of service when treated properly. It’s often so loved that when one part fails, it’s considered well worth repairing rather than ...

The AVR project utilizes a small graphics LCD to display the monitored spectrum and waveform of audio signal. The full graphics type LCD module used is the SG12232C with a resolution of 122(H) x 32 (V ...