First
functional
cardboard
-
embedded
artefact
combining
touchless
gesture
-
based
recognition
(
Seeed
Grove
Gesture
Recognition
Sensor
PAJ7620U2
）
with
an
e
-
ink
controlled
by
IT8591
board
and
some
ANSI
C
coded
for
the
purpose
of
diagnostics
of
difficulties
in
acquisition
of
learning
and
writing
(
Leserechtschreibschwierigkeiten
-
LRS
).<
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Diagnostics
focuses
on
so
-
called
"
Rapid
Automatized
Naming
"
which
is
considered
to
be
one
among
the
most
important
LRS
-
predictors
.<
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Visual
content
("
animal
pictures
")
scanned
from
reedition
of
Lumen
Picturae
et
Delineationis
(
Amsterdam
,
1660
,
BE310
).<
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>
Instead
of
a
signature
,
this
artefact
contains
a
four
-
leaf
clover
(
harvested
in
July
)
attached
by
duct
-
tape
above
the
e
-
ink
screen
.
Bottom
of
the
cardboard
shell
is
photovoltaic
,
making
it
possible
to
transform
PappeFibel
0
or
one
of
its
derivatives
into
an
energy
-
autarch
("
eutark
";
Hromada
,
2019
,
AE49
)
digital
education
artefact
.<
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TASK
:
<
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>
I
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>
dentify
mismatch
between
visual
and
textual
modality
.
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INSTRUCTION
OF
USE
:
You
interact
with
the
device
by
moving
Your
hand
in
front
of
the
Gesture
Recognition
Sensor
(
to
the
right
from
e
-
ink
screen
).
Movement
along
vertical
axis
(
up
/
down
)
maps
to
boolean
(
true
/
false
,
JA
/
NEIN
)
answers
.
Movement
along
horizontal
axis
(
left
/
right
)
is
used
to
browse
the
content
.
Rotation
is
used
to
switch
between
"
learning
"
and
"
testing
"
mode
.<
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CAVEAT
:
When
changing
modes
of
operation
,
new
data
has
to
be
loaded
into
the
buffer
of
the
e
-
ink
controller
.
This
takes
few
seconds
.
Be
patient
.
Breathe