ESP-M4 Wireless WiFi Module ESP8285 Serial Port Transmission Control Module Compatible with ESP8266
Product description:
The core processor of the ESP-M4 module uses the cost-effective chip ESP8285. The chip integrates an enhanced version of Tensilica's L106 Diamond Series 32-bit core processor in a smaller package with on-chip SRAM. The ESP8285 has a full Wi-Fi network function, which can be used independently or as a slave to other host MCUs. When the ESP8285 hosts an application, it can be launched directly from external Flash. The built-in cache helps improve system performance and optimizes the storage system. In addition, the ESP8285 can be used as a Wi-Fi adapter via the SPI/SDIO interface or I2C/UART port for any microcontroller-based design.
The ESP-M4 module supports the standard IEEE 802.11 b/g/n/e/i protocol and the complete TCP/IP protocol stack. Users can use this module to add networking capabilities to existing devices or to build separate network controllers.
The ESP-M4 module offers maximum practicality at the lowest cost, providing unlimited possibilities for Wi-Fi functionality to be embedded in other systems.
Package includes:
1 x Module
| Classification | Item | Parameter |
| Wi-Fi | Frequency range | 2.4G~2.5G(2400M~2483.5M) |
| Transmit power | 802.11b: +20 dBm | |
| 802.11g: +17 dBm | ||
| 802.11n: +14 dBm | ||
| Receiving sensitivity | 802.11b: -91 dbm (11Mbps) | |
| 802.11g: -75 dbm (54Mbps) | ||
| 802.11n: -72 dbm (MCS7) | ||
| Antenna | PCB onboard antenna | |
| Hardware | CPU | Tensilica L106 32 bit microcontroller |
| Peripheral | UART/SDIO/SPI/I2C/I2S/IR remote control | |
| GPIO/ADC/PWM/SPI/I2C/I2S | ||
| Operating Voltage | 2.5V ~ 3.6V | |
| Working current | Average current: 80 mA | |
| Operating temperature | -40°C ~ 125°C | |
| Ambient temperature range | -40°C ~ 125°C | |
| Package size | 16mm x 24mm x 3mm | |
| Software | Wi-Fi mode | Station/SoftAP/SoftAP+Station |
| Security Mechanism | WPA/WPA2 | |
| Encryption type | WEP/TKIP/AES | |
| Upgrade firmware | UART Download/OTA (via network) | |
| Software development | Non-RTOS/RTOS/Arduino IDE, etc. | |
| Network protocol | IPv4, TCP/UDP/HTTP/FTP/MQTT | |
| User configuration | AT+ instruction set / cloud server / Android / iOS APP |
Package includes:
1 x Module
ESP-M4 Wireless WiFi Module ESP8285 Serial Port Transmission Control Module Compatible with ESP8266 See detail
