Additional information
| Brand Name | ELECROW |
|---|---|
| Demo Board Type | FPGA |
| Origin | Mainland China |
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ESP32-C3-WROOM-02-H4 ESP C3 2.4GHz Wi-Fi BLE 5.0 Wireless Bluetooth Module UART I2C I2S SPI 4MB Flash
42.44 $
2025 in stock
Description
Description
ESP32-C3-WROOM-02 is the general-purpose Wi-Fi and Bluetooth LE modules. The rich set of peripherals and high performance make this modules an ideal choice for smart homes, industrial automation, health care, consumer electronics, etc. ESP32-C3-WROOM-02 is feature a 4 MB external SPI flash and comes with a on-board PCB antenna. ESP32-C3 has a 32-bit RISC-V single-core processor. It integrates a rich set of peripherals, ranging from UART, I2C, I2S, remote control peripheral, LED PWM controller, general DMA controller, TWAI® controller, USB Serial/JTAG controller, temperature sensor, ADC, etc. It also includes SPI, Dual SPI and Quad SPI interfaces.
Block Diagram
Pin Layout Top View
Pin Description
Name
Pin Number
Type
Function
3V3
Power supply
EN
High: on, enables the chip. Low: off, the chip powers off.
Note: Do not leave the EN pin floating
IO4
I/O/T
GPIO4, ADC1_CH4, FSPIHD, MTMS
IO5
I/O/T
GPIO5, ADC2_CH0, FSPIWP, MTDI
IO6
I/O/T
GPIO6, FSPICLK, MTCK
IO7
I/O/T
GPIO7, FSPID, MTDO
IO8
I/O/T
GPIO8
IO9
I/O/T
GPIO9
GND
Ground
IO10
10
I/O/T
GPIO10, FSPICS0
RXD
11
I/O/T
GPIO20, U0RXD
TXD
12
I/O/T
GPIO21, U0TXD
IO18
13
I/O/T
GPIO18, USB_D
IO19
14
I/O/T
GPIO19, USB_D+
IO3
15
I/O/T
GPIO3, ADC1_CH3
IO2
16
I/O/T
GPIO2, ADC1_CH2, FSPIQ
IO1
17
I/O/T
GPIO1, ADC1_CH1, XTAL_32K_N
IO0
18
I/O/T
GPIO0, ADC1_CH0, XTAL_32K_P
Note： P: power supply; I: input; O: output; T: high impedance.
Feature
Equipped with RISC-V 32-bit single-core processor, the operating frequency is up to 160 MHz with 400
KBSRAM, 384 KB ROM, 8KB RTC SRAM n
On-board PCB antenna
Support IEEE 802.11 b/g/n-compliant, Bluetooth BLE 5
Rich peripheral interfaces, including GPIO, UART, SPI, I2S, I2C, ADC, LED PWM controller, temperature sensor, remote control peripheral, general DMA controller, TWAI® controller, USB Serial/JTAG controller, temperature sensor, SAR ADC, general-purpose timers, watchdog timers
Specification
Model: ESP32-C3-WROOM-02-H4
Dimensions main control module:
Antenna form: onboard PCB antenna
4 × virtual Wi-Fi interfaces
Operating temperature：-40℃~105℃
Power supply range：0~3.6V
support interface：UART/GPIO/ADC/I2C/I2S
Bluetooth：Bluetooth 5.0
SPI Flash: 4MB
Package List
1x ESP32-C3-WROOM-02-H4
Wiki & External link
Datasheet
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