Schematics

D
C
B
PWR_EN
U1TXD/IO19
U1RXD/IO22
INT_B/IO27
DBG_RXD/IO3
DBG_TXD/IO1
PWR_EN
U1RXD/IO22
U1TXD/IO19
INT_B/IO27
DBG_RXD/IO3
DBG_TXD/IO1
PWR_EN
INT_B/IO27
U1TXD/IO19
U1RXD/IO22
GND
VCC3V3
GND GND
VCC3V3
GND GND
GND
GND
GND
GND
GND
GND
GND
VCC3V3
GND
GND
VCC3V3
VCC3V3
GND
R10 TBD
C4
10uF
C2
0.1uF
J6
CON3
1
2
3
R9 TBD
U2
Host_MCU
1
2
3
4
C1
10uF
R8 TBD
SW1
1
1
2
2
C3 TBD
R1
TBD
C5
0.1uF
U1
ESP32-PICO-V3-ZERO
NC
1
NC
2
DBG_RXD/IO3
3
DBG_TXD/IO1
4
NC
5
NC
6
NC
7
NC
8
NC
9
NC
10
NC
11
GND
12
NC
13
NC
14
NC
15
NC
16
NC
17
NC
18
EN
19
GND
20
GND
21
VDD33
22
GND
23
GND
24
GND
25
GND
26
GND
27
GND
28
GND
29
GND
30
GND
31
GND
32
NC
NC
33
NC
34
NC
35
GND
36
NC
37
NC
38
NC
39
U1TXD/IO19
40
GND
41
VDD33
42
GND
43
U1RXD/IO22
44
NC
45
INT_B/IO27
46
NC
47
48
GND
49
GND
77
GND GND
50
GND
51
GND
52
GND
53
GND
54
GND
55
GND
56
GND
57
GND
58
GND
59
GND
60
GND
61
GND
62
GND
63
GND
64
GND
65
GND
66
GND
67
GND
68
GND
69
GND
70
GND
71
GND
72
GND
73
GND
74
GND
75
76
J3
CON3
1
2
3
J4
CON2
2
1
R11 TBD
R2
0R
Figure 3: ESP32PICOV3ZERO Module Peripheral Schematics
Crystal 40MHz