About this item

• 【PRODUCT PARAMETERS】: Model: ESP8266 ESP-01 ESP-01S. Supply voltage: 3.3V/5V. Adoption for CP2104 USB serial port chip and ESP8266 automatic download circuit added
• Product features: This WiFi module supports IDE, ESP8266 and FLASH_DOWNLOAD_TOOLS a key to download, no cable required, no need to press button
• Product description: This WiFi module download is convenient for users to download programs, upgrade firmware, debug serial port and other operations
• Excellent performance: This module is made of high quality semiconductor material, strong and durable. It is very easy to use and does not require particularly complicated operations