Schematics
1
1
2
2
3
3
4
4
D D
C C
B B
A A
Pico-ESP8266
aveshare
W
GP0
GP1
GP2
GND
GP3
GP4
GP5
GND
GND
GND
GP6
GP7
GP8
GP9
GP10
GP11
GP12
GP13
GP15 GP16
GP17
GND
GP18
GP19
GP20
GP21
GND
GP22
RUN
VBUS
GP26
GP27
GND
GP28
GND
3V3(OUT)
VIN
1
GND
2
EN
3
BP
4
VOUT
5
U2
SPX3819M5-L-3.3
C6
1uF
C7
10nF
GND
GND
3V3
C5
104
GND
ADC_VREF
GPIO0
1
GPIO1
2
GND
3
GPIO2
4
GPIO3
5
GPIO4
6
GPIO5
7
GND
8
GPIO6
9
GPIO7
10
GPIO8
11
GPIO9
12
GND
13
GPIO10
14
GPIO11
15
GPIO12
16
GPIO13
17
GND
18
GPIO14
19
GPIO15
20
GPIO16
21
GPIO17
22
GND
23
GPIO18
24
GPIO19
25
GPIO20
26
GPIO21
27
GND
28
GPIO22
29
RUN
30
IO26/ADC0
31
IO27/ADC1
32
AGND
33
IO28/ADC2
34
ADC_VREF
35
3V3
36
3V3_EN
37
GND
38
VSYS
39
VBUS
40
U1
Pi pico (40P)
R12 0R
VCC_EN
VCC_EN
R13 NC
R15 NC
VSYS
3V3_EN
3V3_EN
GP14
GP14
VSYS
R16 100K
GND
VSYS
USB
R14 NC 3V33V3(OUT)
GPIO0
GPIO15
GND
TXD0
RXD0
RST
1
ADC/TOUT
2
EN
3
GPIO16/WAKE
4
GPIO14/HSPICLK
5
GPIO12/HSPIQ
6
GPIO13/HSPID/CTS0/RXD2
7
VDD
8
GND
15
GPIO15/HSPICS/RTS0/TXD2
16
GPIO2/TXD1
17
GPIO0/SPICS2
18
GPIO4
19
GPIO5
20
GPIO3/RXD0
21
GPIO1/SPICS1/TXD0
22
SPI_MOSI/SD_CMD
9
SPI_MISO/SD_D0
10
GPIO9/SD_D2
11
GPIO10/SPI_CS/SD_D3
12
SPI_INT/SD_D1
13
SPI_CLK/SD_CLK
14
U3
ESP_12_E
3V3
GND
C3 10uF
C2 104
C1
1uF
3V3
10KR5
10KR6
3V3
10KR8
GND
Key0
GND
10K
R7
RXD0TXD0
1
2
3
H2
UART1
1
2
3
H1
UART0
GP5
GP1
GP4
GP0
R1
Led2
GND
RST
RST
Key1
GND
R2 NCGP15