Dave takes a look at the world’s cheapest temperature controlled soldering station, the $16 Hakko 936 knockoff Yihua 936 from Hobby King.
How does it compare to the older genuine Hakko 926?
Also, thermal capacity comparison testing is done on those two irons plus the high thermal capacity JBC.
Sagan also gives his verdict.
Hakko 936 Schematic
Some experiments on the Casio FX260 Solar II scientific calculator. Improving the solar capacity, trying ...