−
−
+
+
1
5
10
15
20
25
30
t
t
s
s
r
r
q
q
p
p
o
o
n
n
m
m
l
l
k
k
−
−
+
+
1
5
10
15
20
25
30
j
j
i
i
h
h
g
g
f
f
e
e
d
d
c
c
b
b
a
a
BME280
VCC
GND
SCL
SDA
EN
VP
VN
D34
D35
D32
D33
D25
D26
D27
D14
D12
D13
GND
VIN
3V3
GND
D15
D2
D4
RX2
TX2
D5
D18
D19
D21
RX0
TX0
D22
D23
ESP32
WROOM-32
CP2102
U1 · ESP32 DevKit
U2 · BME280
U1 · ESP32 DevKit
U2 · BME280
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
f
f
j
j
p
p
q
q
r
r
s
s
t
t
MODEL · DC simulation
USB 45.5 mA
VCC 470 µA
3.3 V
0 V
0 V
0 V
0 V
0 V
0 V
0 V
0 V
0 V
0 V
0 V
0 V
0 V
4.99 V
3.3 V
0 V
0 V
0 V
0 V
0 V
0 V
0 V
0 V
0 V
3.3 V
0 V
0 V
3.3 V
0 V
3.3 V
0 V
3.3 V
3.3 V
0 V
0 V
−
−
+
+
1
5
10
15
20
25
30
j
j
i
i
h
h
g
g
f
f
e
e
d
d
c
c
b
b
a
a
−
−
+
+
1
5
10
15
20
25
30
t
t
s
s
r
r
q
q
p
p
o
o
n
n
m
m
l
l
k
k
VCC
GND
SCL
SDA
BME280
EN
VP
VN
D34
D35
D32
D33
D25
D26
D27
D14
D12
D13
GND
VIN
3V3
GND
D15
D2
D4
RX2
TX2
D5
D18
D19
D21
RX0
TX0
D22
D23
CP2102
ESP32
WROOM-32
U2 · BME280
U1 · ESP32 DevKit
U1 · ESP32 DevKit
U2 · BME280
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
f
f
j
j
p
p
q
q
r
r
s
s
t
t
MODEL · DC simulation
USB 45.5 mA
VCC 470 µA
3.3 V
0 V
0 V
0 V
0 V
0 V
0 V
0 V
0 V
0 V
0 V
0 V
0 V
0 V
4.99 V
3.3 V
0 V
0 V
0 V
0 V
0 V
0 V
0 V
0 V
0 V
3.3 V
0 V
0 V
3.3 V
0 V
3.3 V
0 V
3.3 V
3.3 V
0 V
0 V
Tap a part or a strip to see what it is and its simulated values Drag to move · pinch or wheel to zoom · double tap to frame a part Two fingers (or the mouse) to move · Ctrl + wheel or pinch to zoom