Information

Close if using
U.FL connector
ESP-WROOM-32NARROW
V_USBV_USB
CH340C
3.3V
GNDGND GND
GND
GND GND
GND
GND
GND
GND
GND GND
GND
GND
GND
GND
GND
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V 3.3V
3.3V
3.3V
GND
1
3V3
2
EN
3
SENSOR_VP/I36
4
SENSOR_VN/I39
5
IO34
6
IO35
7
XTAL_P/IO32
8
XTAL_N/IO33
9
IO25
10
IO26
11
IO27
12
SCK_H/IO14
13
MISO_H/IO12
14
GND
15
MOSI_H/IO13
16
SHD/IO9
17
SWP/IO10
18
SCS/IO11
19
GND
38
MOSI_V/IO23
37
IO22
36
TXD
35
RXD
34
IO21
33
NC
32
MISO_V/IO19
31
SCK_V/IO18
30
CS0_V/IO5
29
IO17
28
IO16
27
IO4
26
IO0
25
IO2
24
CS0_H/IO15
23
SDI/IO8
22
SDO/IO7
21
SCK/IO6
20
GND
GND
U2
D+
D-
VBUS
GND
ID
SHIELD*10
IN
GND
OUT
EN
NC
1 3
42
CTS
9
DCD
12
DSR
10
DTR
13
RI
11
RTS
14
GND
1
R232
15
RXI
3
TXO
2
UD+
5
UD-
6
V3
4
VCC
16
U3
1 3
42
RESET
3.3V
ANT
DIO0
DIO1
DIO2
DIO3
DIO4
DIO5
GND
MISO
MOSI
NSS
SCK
U4
J2
1
2
3
4
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
3.3V
RESET
RESET
RESET
GND GND
TXO
TXO TXO
RXI
RXI
RXI
0
0
0
SDA
SDA
SDA
SCL
SCL
SCL
DTR
DTR
D-
D+
RTS
RTS
RFM_INT/26
RFM_INT/26
RFM_DIO2/32
RFM_DIO2/32
RFM_DIO1/33
RFM_DIO1/33
MISO
MISO
MISO
MOSI
MOSI
MOSI
SCK
SCK
SCK
RFM_CS
RFM_CS
IO25
IO25
IO27
IO27
IO19
IO19
IO18
IO18
IO5
IO5
IO23
IO23
IO4
IO4
IO17
IO17
RFM_RST
ANT
ANT
ANT
SHIELD
Voltage Regulator USB-to-Serial I/O pins
ESP32-WROOM LED & Buttons Auto-Reset
RFM95HW
Jim Lindblom
v10
Owen Lyke
Released under the Creative Commons
Attribution Share-Alike 4.0 License
https://creativecommons.org/licenses/by-sa/4.0/
Design by:
USB
Revision By: