Here at Lab On The Cheap HQ we’ve received a few requests to look into ways that people might easily and cheaply transmit audio from a stethoscope over their phone to a medical practitioner they are teleconferencing with. While we are looking into the best solutions for that problem, we’ve noticed a lot of methods […]
Month: April 2020
Hack a kitchen scale for lab use for just $20
Common digital kitchen scales have a surprisingly high sampling rate in their sensor, but any data logging using a kitchen scale is limited to the sampling rate of the scientist writing down the data. But now, there is a preprint paper on hacking a digital kitchen scale to record data to a computer by D […]
Hyperspectral Imaging for $500
Hyperspectral imaging refers to imaging in which a spectrum is acquired for each pixel in a captured image. A paper by Jairo Salazar-Vazquez and Andres Mendez-Vazquez details an easy to assemble hyperspectral device for just $500 which can take a spectrum from 400-1050 nm with a wavelength resolution of up to 2.1 nm and a […]
3D Print a Pipette Tip Sorter!
EDIT: New designs are now available for more pipette tips.10 uL tips: https://www.thingiverse.com/thing:4256563200 uL tips: https://www.thingiverse.com/thing:4268044 If you are using pipette tips that don’t come in racks, check out this pipette tip sorting device on thingiverse that makes aligning and inserting the tips much much easier. The 3D print is designed for 10 µL Sarstedt […]