ESP32-C3-WROOM-02U module

ESP32-C3-WROOM-02U official Espressif surface-mount wireless module with U.FL/IPEX connector for external antenna. 2.4 GHz Wi-Fi 4 and Bluetooth LE 5 connectivity from the ESP32-C3 RISC-V family. orderable N4 variants include 4 MB flash.

Logical pinout · physical placement not verified

ENCHIP_PU2
EN/CHIP_PU
Type · Control
GPIO0ADC1_CH0XTAL_32K_P18
GPIO0/ADC1_CH0/XTAL_32K_P
Type · GPIO, Signal
GPIO1ADC1_CH1XTAL_32K_N17
GPIO1/ADC1_CH1/XTAL_32K_N
Type · GPIO, Signal
3V31
3V3
Type · Power
GND19
GND
Type · Ground
GND9
GND
Type · Ground
GPIO20U0RXD11
GPIO20/U0RXD
Type · GPIO, Signal
GPIO21U0TXD12
GPIO21/U0TXD
Type · GPIO, Signal
GPIO18USB_D-13
GPIO18/USB_D-
Type · GPIO, Signal
GPIO19USB_D+14
GPIO19/USB_D+
Type · GPIO, Signal
GPIO2ADC1_CH216
GPIO2/ADC1_CH2
Type · GPIO, Signal
GPIO3ADC1_CH315
GPIO3/ADC1_CH3
Type · GPIO, Signal
GPIO4ADC1_CH43
GPIO4/ADC1_CH4
Type · GPIO, Signal
GPIO5ADC2_CH04
GPIO5/ADC2_CH0
Type · GPIO, Signal
GPIO65
GPIO6
Type · GPIO
GPIO76
GPIO7
Type · GPIO
GPIO87
GPIO8
Type · GPIO
GPIO98
GPIO9
Type · GPIO
GPIO1010
GPIO10
Type · GPIO

Pin	Position	Type	Function
ENCHIP_PU	2	Control	EN/CHIP_PU
GPIO0ADC1_CH0XTAL_32K_P	18	GPIO, Signal	GPIO0/ADC1_CH0/XTAL_32K_P
GPIO1ADC1_CH1XTAL_32K_N	17	GPIO, Signal	GPIO1/ADC1_CH1/XTAL_32K_N
3V3	1	Power	3V3
GND	19	Ground	GND
GND	9	Ground	GND
GPIO20U0RXD	11	GPIO, Signal	GPIO20/U0RXD
GPIO21U0TXD	12	GPIO, Signal	GPIO21/U0TXD
GPIO18USB_D-	13	GPIO, Signal	GPIO18/USB_D-
GPIO19USB_D+	14	GPIO, Signal	GPIO19/USB_D+
GPIO2ADC1_CH2	16	GPIO, Signal	GPIO2/ADC1_CH2
GPIO3ADC1_CH3	15	GPIO, Signal	GPIO3/ADC1_CH3
GPIO4ADC1_CH4	3	GPIO, Signal	GPIO4/ADC1_CH4
GPIO5ADC2_CH0	4	GPIO, Signal	GPIO5/ADC2_CH0
GPIO6	5	GPIO	GPIO6
GPIO7	6	GPIO	GPIO7
GPIO8	7	GPIO	GPIO8
GPIO9	8	GPIO	GPIO9
GPIO10	10	GPIO	GPIO10

Logical pinout · physical placement not verified

Pin details

19 connections

ENCHIP_PU
EN/CHIP_PU
Control
2
GPIO0ADC1_CH0XTAL_32K_P
GPIO0/ADC1_CH0/XTAL_32K_P
GPIO, Signal
18
GPIO1ADC1_CH1XTAL_32K_N
GPIO1/ADC1_CH1/XTAL_32K_N
GPIO, Signal
17
3V3
3V3
Power
1
GND
GND
Ground
19
GND
GND
Ground
9
GPIO20U0RXD
GPIO20/U0RXD
GPIO, Signal
11
GPIO21U0TXD
GPIO21/U0TXD
GPIO, Signal
12
GPIO18USB_D-
GPIO18/USB_D-
GPIO, Signal
13
GPIO19USB_D+
GPIO19/USB_D+
GPIO, Signal
14
GPIO2ADC1_CH2
GPIO2/ADC1_CH2
GPIO, Signal
16
GPIO3ADC1_CH3
GPIO3/ADC1_CH3
GPIO, Signal
15
GPIO4ADC1_CH4
GPIO4/ADC1_CH4
GPIO, Signal
3
GPIO5ADC2_CH0
GPIO5/ADC2_CH0
GPIO, Signal
4
GPIO6
GPIO6
GPIO
5
GPIO7
GPIO7
GPIO
6
GPIO8
GPIO8
GPIO
7
GPIO9
GPIO9
GPIO
8
GPIO10
GPIO10
GPIO
10

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