geekphysical:
Wired up to battery, chip, LCD
geekphysical:
IMG_3906
geekphysical:
alarm4
geekphysical:
Battery, printer motor robot
geekphysical:
Receiver
geekphysical:
Guided vanes for water rocket
geekphysical:
Parachute deployment device
geekphysical:
IMAG0432
geekphysical:
IMAG0434
geekphysical:
IMAG0441