Schematics

GNDGND
W25QXX128MBIT
GND
3.3V
3.3V3.3V
GND
RP2040
GND
3.3V
GND
3.3V
GND
3.3V
GND
3.3V
GND
3.3V
GND
3.3V
GND
3.3V
GND GND
1.1V
1.1V1.1V3.3V 1.1V
GNDGND
3.3V
GND
microSD
3.3V
GND
3.3V
GNDGND
GND GND
3.3V
GND
GND
GND
GND GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GNDGND
V_USB
V_USB V_USB
V_USB
V_BATT
V_BATT
V_BATT
V_BATT
V_BATT
3.3V
3.3V
3.3V
3.3V
3.3V
GND
MCP73831
GND
3.3V
GND
3.3V
GND
MIKROBUS_SMD_BLACK1
GND GND
3.3V V_USB
3.3V
GND
1
2
3
4
J4
VDD
8
GND
4
D3/HOLD
7
D2/WP
3
D1/DO
2
D0/DI
5
CLK
6
CS
1
U4
RUN
26
VDD_1V1
23*2
TESTEN
19
USB_D+
47
USB_D-
46
GND
EPAD
USB_VDD
48
GPIO0
2
ADC_VDD
43
SWDIO
25
SWCLK
24
VDDIO
1*6
XIN
20
XOUT
21
GPIO1
3
GPIO2
4
GPIO3
5
GPIO4
6
GPIO5
7
GPIO6
8
GPIO7
9
GPIO8
11
GPIO9
12
GPIO10
13
GPIO11
14
GPIO12
15
GPIO13
16
GPIO14
17
GPIO15
18
GPIO16
27
GPIO17
28
GPIO18
29
GPIO19
30
GPIO20
31
GPIO21
32
GPIO22
34
GPIO23
35
GPIO24
36
GPIO25
37
GPIO26/ADC0
38
GPIO27/ADC1
39
GPIO28/ADC2
40
GPIO29/ADC3
41
LDO_IN
44
LDO_OUT
45
QSPI_SD3
51
QSPI_SCLK
52
QSPI_SD0
53
QSPI_SD2
54
QSPI_SD1
55
QSPI_CS
56
U5
GND
VBUS
CC1
D+
D-
CC2
SHLD
DAT3/CS
CMD/SDI
DAT0/SDO
GND
DAT2
DAT1
CLK/SCK
DET
VCC
J6
ALRT
CELL
CTG
GND
QSTRT
SCL
SDA
VDD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
IN
GND
OUT
EN
NC
VIN
4
STAT
1
VBAT
3
PROG
5
VSS
2
U3
VCC
1
GND
3*3
RESET
10
SWO
6
SWDCLK
4
SWDIO
2
COPI
6
CIPO
5
+3.3V
7
GND
8
SCK
4
CS
3
RST
2
AN
1
PWM
16
INT
15
RX
14
TX
13
SCL
12
SDA
11
+5V
10
GND2
9
J9
SWDIO
SWDIO
QSPI-CS
QSPI-CS
QSPI-CLK
QSPI-CLK
QSPI-0
QSPI-0
QSPI-3
QSPI-3
QSPI-1
QSPI-1
QSPI-2
QSPI-2
RESET
RESET
SWDCK
SWDCK
SPI_SCK1/SDIO_CLK
SPI_SCK1/SDIO_CLK
SPI_CIPO1/SDIO_DAT0
SPI_CIPO1/SDIO_DAT0
SPI_COPI1/SDIO_CMD
SPI_COPI1/SDIO_CMD
SPI_CS1/SDIO_DAT3
SPI_CS1/SDIO_DAT3
ADC3
ADC0
ADC0
ADC1
LED_BUILTIN
LED_BUILTIN
SDIO_DAT1
SDIO_DAT1
SDIO_DAT2
SDIO_DAT2
USB_N
USB_P
AVDD
AVDD
ADC2
UART0_TX
UART0_TX
UART0_TX
UART0_RX
UART0_RX
UART0_RX
SPI0_SCK
SPI0_SCK
SPI0_SCK
SPI0_COPI
SPI0_COPI
SPI0_COPI
SPI0_CIPO
SPI0_CIPO
SPI0_CIPO
I2C1_SDA
I2C1_SDA
I2C1_SDA
I2C1_SDA
I2C1_SDA
I2C1_SCL/GPIO23
I2C1_SCL/GPIO23
I2C1_SCL/GPIO23
I2C1_SCL/GPIO23
I2C1_SCL/GPIO23
I2C1_SCL/GPIO23
GPIO16
GPIO16
GPIO16
GPIO17
GPIO17
GPIO17
GPIO18
GPIO18
GPIO19
GPIO19
GPIO20
GPIO20
GPIO21
GPIO21
GPIO22
GPIO22
BATT_ALERT
BATT_ALERT
WS2812_DO
WS2812_DI
BOOT
BOOT
SPI0_CS
SPI0_CS
GPIO13
GPIO13
D
S
G
USB-C