ESP01 (ESP8266) Programmer (USB)

ESP-01 (ESP8266) USB Programmer The ESP-01 USB Programmer is a convenient USB-to-Serial adapter designed specifically for programming and debugging ESP-01 and ESP-01S WiFi modules. It features an onboard CH340G USB-to-UART converter and a dedicated ESP-01 socket, allowing you to program your module directly from a computer without additional wiring. It is fully compatible with the Arduino IDE, ESP8266 Flash Download Tool, and AT command communication. Specifications Product Type: ESP-01 / ESP-01S USB Programmer Compatible Modules: ESP-01, ESP-01S (ESP8266) USB Interface: USB Type-A USB to UART Chip: CH340G Operating Voltage: 5V (via USB) Logic Level: 3.3V TTL Communication Interface: UART (Serial) Programming Support: Arduino IDE, ESP8266 SDK, ESP Flash Download Tool Operating System Support: Windows, Linux, macOS (CH340 driver may be required) Module Socket: 8-Pin ESP-01/ESP-01S Header Dimensions: Approx. 50 × 18 × 14 mm Features Plug-and-play programming for ESP-01 and ESP-01S modules Onboard CH340G USB-to-Serial converter Built-in 3.3V logic level for ESP8266 compatibility No jumper wires required Compact and lightweight design Ideal for firmware uploading, serial debugging, and AT command testing Compatible with Arduino IDE and ESP8266 development tools Stable data communication with onboard crystal oscillator Applications Programming ESP-01 & ESP-01S modules IoT development WiFi-based Arduino projects ESP8266 firmware updates Serial communication and debugging Smart home and automation projects Wireless sensor network development Note: Some versions of this programmer include a PROG/UART mode switch, while others may require GPIO0 to be pulled LOW to enter programming mode. Check your programmer version before uploading firmware