| Type: | WiFi Module |
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| Work Mode: | AP |
| WiFi Antenna Type: | Built-in |
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| CPU & Memory | BLE |
| 1. Built-in ESP32-C3FH4 or ESP32-C3FN4 chip, RISC-V 32-bit single-core microprocessor, up to 160MHz 2. 384KB ROM 3. 400KB SPA (16KB of which is dedicated to cache) 4. 8KB RTC SRAM 5. 4MB packaged flash |
1.Bluetooth LE: Bluetooth 5. Bluetooth mesh 2.Supports 125Kbps, 500Kbps, 1Mbps, 2Mbps 3.Advertising Extensions 4.Multiple Advertisement Sets 5.Channel Selection Algorithm #2 6.Coexistence of Wi-Fi and Bluetooth, sharing one antenna |
| WiFi | Peripherals |
| 1. Supports IEEE 802.11.b/g/n protocols 2. Working channel center frequency range: 2412~2484MHz 3. Supports 20MHz and 40MHz bandwidth in the 2.4GHz band 4. Supports 1T1R mode with data rates up to 150Mbps 5. Wireless Multimedia (WMM) 6. Frame aggregation (TX/RX A-MPDU, TX/RX A-MSDU) 7. Immediate Block ACK 8. Fragmentation and defragmentation 9. Transmission opportunity (TXOP) 10. Beacon automatic detection (hardware TSF) 11. 4x virtual Wi-Fi interfaces 12. Supports infrastructure BSS at the same time Station mode, SoftAP mode, Station+SoftAP mode and promiscuous mode Please note that when the ESP32-C3 series scans the room in Station mode, the SoftAP channel will change at the same time 13. 802.11 mc FTM |
GPIO, SPI, UART, I2C, infrared remote control (remote control peripheral), LED PWM controller, general DMA controller, TWAI controller (compatible with ISO11898-1, i.e. CAN specification 2.0), USB serial port/JTAG controller, temperature sensor, SAR analog/digital conversion, general timer, watchdog timer |
| Module integrated components | |
| 40MHz integrated crystal oscillator | |
| Antenna selection | |
| Onboard PCB antenna (ESP32-C3-MINI-1) Connect external antenna via connector (ESP32-C3-MINI-1U) |
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| Working conditions | |
| Working voltage/supply voltage: 3.0~3.6V Working environment temperature: -85ºC version module: -40ºC~85ºC -105ºC version module: -40ºC~105ºC |
| Name | Serial number | Type | Function |
| GND | 1,2,11,14,36-53 | P | Grounding |
| 3V3 | 3 | P | Power supply |
| NC | 4,7,9,10,15,17,24, 25,28,29,32,35 |
- | Empty Pin |
| IO2 | 5 | I/O/T | GPIO2,ADC1_CH2,FSPIQ |
| IO3 | 6 | I/O/T | GPIO3,ADC1_CH3 |
| EN | 8 | I | High level: chip enabled Low level: chip disabled Note that the EN pin cannot be left floating |
| IO0 | 12 | I/O/T | GPIO0, ADC1_CH0, XTAL_32K_P |
| IO1 | 13 | I/O/T | GPIO1, ADC1_CH1, XTAL_32K_N |
| IO10 | 16 | I/O/T | GPIO10, FSP1CS0 |
| IO4 | 18 | I/O/T | GPIO4, ADC1_CH4, FSP1HD, MTMS |
| IO5 | 19 | I/O/T | GPIO5, ADC2_CH0, FSP1WP,MTDI |
| IO6 | 20 | I/O/T | GPIO6, FSP1CLK, MTCK |
| IO7 | 21 | I/O/T | GPIO7, FSP1D, MTDO |
| IO8 | 22 | I/O/T | GPIO8 |
| IO9 | 23 | I/O/T | GPIO9 |
| IO18 | 26 | I/O/T | GPIO18,USB_D- |
| IO19 | 27 | I/O/T | GPIO19,USB_D+ |
| RXD0 | 30 | I/O/T | GPIO20, U0RXD |
| TXD0 | 31 | I/O/T | GPIO21, U0TXD |
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