Compact ESP8266 USB Wireless Transceiver with 4MB Flash for Programmers

The USB to ESP8266 Programmer + 4MB ESP-01s Adapter Wireless Wifi Module is a high-quality product designed for convenient programming and debugging of ESP8266 devices. Here are the key features:

Condition: This product is brand new and of high quality.

Chip and Automatic Download: It uses the CP2104 USB serial port chip and includes an integrated ESP8266 automatic download circuit.

Application: This device makes it easy for users to download programs, upgrade firmware, and perform serial port debugging.

Material: The product is made of high-quality semiconductor material, ensuring strength and durability.

Power Supply Voltage: It supports both 3.3V and 5V power supplies.

Easy to Use: No cables or buttons are required - the WiFi module automatically enters download mode.

Compatibility: The programmer supports Arduino IDE, Ai-thinker ESP8266 Flasher, and Espressif FLASH_DOWNLOAD_TOOLS.

Package Includes: - 1 x USB to ESP8266 CH340C ESP-01S Prog WiFi Programmer - 1 x 4MB ESP-01 Serial Wireless Transceiver Module ESP-01S

ESP-01S Prog WiFi Programmer Specifications: - Color: Blue - Voltage: 5V - Interface: USB Type A - Size: 5cm x 1.4cm / 1.97" x 0.55"

Comparison of ESP-01S Prog WiFi Programmers: - The blue version has a RESET button. - The red version has a MODE switch to toggle between UART and PROG modes.

ESP8266 ESP-01S 4MB Module: Compared to the original ESP-01, the ESP-01S has improved PCB layout for better WiFi performance and upgraded flash memory from 512KB to 4MB.

ESP8266 ESP-01S Serial WiFi Wireless Transceiver Module Specifications: - 802.11 b/g/n WiFi - Wake up and transmit packets in < 2ms - Supports SDIO 2.0, SPI, and UART - 32-pin QFN package - Integrated TCP/IP protocol stack - Integrated RF front-end components - +19.5dBm output power in 802.11b mode - Integrated low power 32-bit CPU for application processing

For more information, please refer to the provided CH341 Driver link and Document link.

product information: