Head of an insect (libelle, bufferfly)

Head of an insect (libelle, bufferfly)

Attention: Look at the black spot on the FLED (=polarity)
Before soldering glue components together.
Circuit is the solar engine.

For more information also look at the head of an insect (wasp, bee or ant).
The head of my libelle is made this way, R= 68K.