Resources

Resistor Divider Calculator

Enter any combination of values — the rest are calculated. Entry order is shown (1–3); when all fields are filled and you change one, the oldest entry is replaced.

V_in

V_out

R₁

R₂

Ratio V_out/V_in

P_R1

P_R2

Ratio error —

Christchurch Earthquake Aerial Footage

Aerial video of the Christchurch Red Zone captured by UAV in 2012, archived in the UC QuakeStudies collection and referenced by the CEISMIC Canterbury Earthquakes Digital Archive.

View footage in the CEISMIC archive →

Paver Designer

Yes, the scope creep is real. Design an interesting pattern for your garden path, terrace, or greenhouse floor — then get the exact number of pavers you need to order. Sizes based on Firth residential pavers (not sponsored).

Open Paver Designer →