A collection of recent hobby projects
Highly sensitive vertical motion seismometer.
Deploying a seismometer in the field.
Using nuclear spin to measure Earth's magnetic field.
Using ultrasonic time of flight to measure wind speed and direction.
Detecting background radiation and radon washout.
Detecting infrasound with a differential capacitive pressure sensor.
Fixing a problem with my kegerator.
For an embedded system. 100W solar power and 50W max load power.
Detecting solar flares based on their effect on the ionosphere.
Counts spindle revolutions. Measures RPM and AC current.
Cheap and flexible digital watchdog timer.
This I2C master doesn't require any special drivers.
Experimental Earth-field vector magnetometer.
Experiments to measure rain and snow using 24 GHz doppler radar.
Various 3D printing designs shared with the community.