ESP32-MINI-1 module

Name: ESP32-MINI-1 module
Brand: Espressif Systems
SKU: ESP32-MINI-1

ESP32-MINI-1 official Espressif surface-mount wireless module with on-board PCB antenna. 2.4 GHz Wi-Fi, Bluetooth and Bluetooth LE connectivity from the ESP32 family. official variants include 4 MB flash integrated in the chip package.

Logical pinout · physical placement not verified

Pins 1–40

Pins 41–55

GND1
GND
Type · Ground
GND42
GND
Type · Ground
GND47
GND
Type · Ground
GPIO1830
GPIO18
Type · GPIO
GPIO2331
GPIO23
Type · GPIO
GND38
GND
Type · Ground
GND39
GND
Type · Ground
GND40
GND
Type · Ground
GND41
GND
Type · Ground
GND43
GND
Type · Ground
GND44
GND
Type · Ground
GND45
GND
Type · Ground
GND46
GND
Type · Ground
GND48
GND
Type · Ground
GND49
GND
Type · Ground
GND50
GND
Type · Ground
GND51
GND
Type · Ground
GND52
GND
Type · Ground
GND53
GND
Type · Ground
GND54
GND
Type · Ground
GND55
GND
Type · Ground
ENCHIP_PU8
EN/CHIP_PU
Type · Control
GPIO3232K_XPADC1_CH411
32K_XP/GPIO32/ADC1_CH4
Type · GPIO, Signal
GPIO3332K_XNADC1_CH512
32K_XN/GPIO33/ADC1_CH5
Type · GPIO, Signal
GPIO12MTDIADC2_CH517
MTDI/GPIO12/ADC2_CH5
Type · GPIO, Signal
GPIO13MTCKADC2_CH418
MTCK/GPIO13/ADC2_CH4
Type · GPIO, Signal
GPIO14MTMSADC2_CH616
MTMS/GPIO14/ADC2_CH6
Type · GPIO, Signal
GPIO15MTDOADC2_CH319
MTDO/GPIO15/ADC2_CH3
Type · GPIO, Signal
GPIO34VDET_1ADC1_CH69
VDET_1/GPIO34/ADC1_CH6
Type · Power, GPIO
GPIO35VDET_2ADC1_CH710
VDET_2/GPIO35/ADC1_CH7
Type · Power, GPIO
GPIO36SENSOR_VPADC1_CH04
SENSOR_VP/GPIO36/ADC1_CH0
Type · GPIO, Control
GPIO37SENSOR_CAPPADC1_CH15
SENSOR_CAPP/GPIO37/ADC1_CH1
Type · GPIO, Control
GPIO38SENSOR_CAPNADC1_CH26
SENSOR_CAPN/GPIO38/ADC1_CH2
Type · GPIO, Control
GPIO39SENSOR_VNADC1_CH37
SENSOR_VN/GPIO39/ADC1_CH3
Type · GPIO, Control
NC23
NC
Type · Control
NC24
NC
Type · Control
NC28
NC
Type · Control
NC37
NC
Type · Control
3V33
3V3
Type · Power
GND2
GND
Type · Ground
GND27
GND
Type · Ground
GPIO1U0TXD36
U0TXD/GPIO1
Type · GPIO, Signal
GPIO3U0RXD35
U0RXD/GPIO3
Type · GPIO, Signal
GPIO0BOOTADC2_CH121
GPIO0/BOOT/ADC2_CH1
Type · GPIO, Control
GPIO2ADC2_CH220
GPIO2/ADC2_CH2
Type · GPIO, Signal
GPIO4ADC2_CH022
GPIO4/ADC2_CH0
Type · GPIO, Signal
GPIO529
GPIO5
Type · GPIO
GPIO1932
GPIO19
Type · GPIO
GPIO2134
GPIO21
Type · GPIO
GPIO2233
GPIO22
Type · GPIO
GPIO25ADC2_CH8DAC_113
GPIO25/ADC2_CH8/DAC_1
Type · GPIO, Signal
GPIO26ADC2_CH9DAC_214
GPIO26/ADC2_CH9/DAC_2
Type · GPIO, Signal
GPIO27ADC2_CH715
GPIO27/ADC2_CH7
Type · GPIO, Signal
GPIO10SD_DATA326
SD_DATA3/GPIO10
Type · GPIO, Signal
GPIO9SD_DATA225
SD_DATA2/GPIO9
Type · GPIO, Signal

Pin	Position	Type	Function
GND	1	Ground	GND
GND	42	Ground	GND
GND	47	Ground	GND
GPIO18	30	GPIO	GPIO18
GPIO23	31	GPIO	GPIO23
GND	38	Ground	GND
GND	39	Ground	GND
GND	40	Ground	GND
GND	41	Ground	GND
GND	43	Ground	GND
GND	44	Ground	GND
GND	45	Ground	GND
GND	46	Ground	GND
GND	48	Ground	GND
GND	49	Ground	GND
GND	50	Ground	GND
GND	51	Ground	GND
GND	52	Ground	GND
GND	53	Ground	GND
GND	54	Ground	GND
GND	55	Ground	GND
ENCHIP_PU	8	Control	EN/CHIP_PU
GPIO3232K_XPADC1_CH4	11	GPIO, Signal	32K_XP/GPIO32/ADC1_CH4
GPIO3332K_XNADC1_CH5	12	GPIO, Signal	32K_XN/GPIO33/ADC1_CH5
GPIO12MTDIADC2_CH5	17	GPIO, Signal	MTDI/GPIO12/ADC2_CH5
GPIO13MTCKADC2_CH4	18	GPIO, Signal	MTCK/GPIO13/ADC2_CH4
GPIO14MTMSADC2_CH6	16	GPIO, Signal	MTMS/GPIO14/ADC2_CH6
GPIO15MTDOADC2_CH3	19	GPIO, Signal	MTDO/GPIO15/ADC2_CH3
GPIO34VDET_1ADC1_CH6	9	Power, GPIO	VDET_1/GPIO34/ADC1_CH6
GPIO35VDET_2ADC1_CH7	10	Power, GPIO	VDET_2/GPIO35/ADC1_CH7
GPIO36SENSOR_VPADC1_CH0	4	GPIO, Control	SENSOR_VP/GPIO36/ADC1_CH0
GPIO37SENSOR_CAPPADC1_CH1	5	GPIO, Control	SENSOR_CAPP/GPIO37/ADC1_CH1
GPIO38SENSOR_CAPNADC1_CH2	6	GPIO, Control	SENSOR_CAPN/GPIO38/ADC1_CH2
GPIO39SENSOR_VNADC1_CH3	7	GPIO, Control	SENSOR_VN/GPIO39/ADC1_CH3
NC	23	Control	NC
NC	24	Control	NC
NC	28	Control	NC
NC	37	Control	NC
3V3	3	Power	3V3
GND	2	Ground	GND
GND	27	Ground	GND
GPIO1U0TXD	36	GPIO, Signal	U0TXD/GPIO1
GPIO3U0RXD	35	GPIO, Signal	U0RXD/GPIO3
GPIO0BOOTADC2_CH1	21	GPIO, Control	GPIO0/BOOT/ADC2_CH1
GPIO2ADC2_CH2	20	GPIO, Signal	GPIO2/ADC2_CH2
GPIO4ADC2_CH0	22	GPIO, Signal	GPIO4/ADC2_CH0
GPIO5	29	GPIO	GPIO5
GPIO19	32	GPIO	GPIO19
GPIO21	34	GPIO	GPIO21
GPIO22	33	GPIO	GPIO22
GPIO25ADC2_CH8DAC_1	13	GPIO, Signal	GPIO25/ADC2_CH8/DAC_1
GPIO26ADC2_CH9DAC_2	14	GPIO, Signal	GPIO26/ADC2_CH9/DAC_2
GPIO27ADC2_CH7	15	GPIO, Signal	GPIO27/ADC2_CH7
GPIO10SD_DATA3	26	GPIO, Signal	SD_DATA3/GPIO10
GPIO9SD_DATA2	25	GPIO, Signal	SD_DATA2/GPIO9

Logical pinout · physical placement not verified

Logical bank 1

Logical bank 2

Pin details

55 connections

GND
GND
Ground
1
GND
GND
Ground
42
GND
GND
Ground
47
GPIO18
GPIO18
GPIO
30
GPIO23
GPIO23
GPIO
31
GND
GND
Ground
38
GND
GND
Ground
39
GND
GND
Ground
40
GND
GND
Ground
41
GND
GND
Ground
43
GND
GND
Ground
44
GND
GND
Ground
45
GND
GND
Ground
46
GND
GND
Ground
48
GND
GND
Ground
49
GND
GND
Ground
50
GND
GND
Ground
51
GND
GND
Ground
52
GND
GND
Ground
53
GND
GND
Ground
54
GND
GND
Ground
55
ENCHIP_PU
EN/CHIP_PU
Control
8
GPIO3232K_XPADC1_CH4
32K_XP/GPIO32/ADC1_CH4
GPIO, Signal
11
GPIO3332K_XNADC1_CH5
32K_XN/GPIO33/ADC1_CH5
GPIO, Signal
12
GPIO12MTDIADC2_CH5
MTDI/GPIO12/ADC2_CH5
GPIO, Signal
17
GPIO13MTCKADC2_CH4
MTCK/GPIO13/ADC2_CH4
GPIO, Signal
18
GPIO14MTMSADC2_CH6
MTMS/GPIO14/ADC2_CH6
GPIO, Signal
16
GPIO15MTDOADC2_CH3
MTDO/GPIO15/ADC2_CH3
GPIO, Signal
19
GPIO34VDET_1ADC1_CH6
VDET_1/GPIO34/ADC1_CH6
Power, GPIO
9
GPIO35VDET_2ADC1_CH7
VDET_2/GPIO35/ADC1_CH7
Power, GPIO
10
GPIO36SENSOR_VPADC1_CH0
SENSOR_VP/GPIO36/ADC1_CH0
GPIO, Control
4
GPIO37SENSOR_CAPPADC1_CH1
SENSOR_CAPP/GPIO37/ADC1_CH1
GPIO, Control
5
GPIO38SENSOR_CAPNADC1_CH2
SENSOR_CAPN/GPIO38/ADC1_CH2
GPIO, Control
6
GPIO39SENSOR_VNADC1_CH3
SENSOR_VN/GPIO39/ADC1_CH3
GPIO, Control
7
NC
NC
Control
23
NC
NC
Control
24
NC
NC
Control
28
NC
NC
Control
37
3V3
3V3
Power
3
GND
GND
Ground
2
GND
GND
Ground
27
GPIO1U0TXD
U0TXD/GPIO1
GPIO, Signal
36
GPIO3U0RXD
U0RXD/GPIO3
GPIO, Signal
35
GPIO0BOOTADC2_CH1
GPIO0/BOOT/ADC2_CH1
GPIO, Control
21
GPIO2ADC2_CH2
GPIO2/ADC2_CH2
GPIO, Signal
20
GPIO4ADC2_CH0
GPIO4/ADC2_CH0
GPIO, Signal
22
GPIO5
GPIO5
GPIO
29
GPIO19
GPIO19
GPIO
32
GPIO21
GPIO21
GPIO
34
GPIO22
GPIO22
GPIO
33
GPIO25ADC2_CH8DAC_1
GPIO25/ADC2_CH8/DAC_1
GPIO, Signal
13
GPIO26ADC2_CH9DAC_2
GPIO26/ADC2_CH9/DAC_2
GPIO, Signal
14
GPIO27ADC2_CH7
GPIO27/ADC2_CH7
GPIO, Signal
15
GPIO10SD_DATA3
SD_DATA3/GPIO10
GPIO, Signal
26
GPIO9SD_DATA2
SD_DATA2/GPIO9
GPIO, Signal
25

ESP32

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