BIGTREETECH ESP-01S WiFi Module for 3d printer

BIGTREETECH ESP-01S WiFi Module Wireless Upgrade for 3D Printer Control Boards (2.4GHz, 802.11 b/g/n)

BIGTREETECH ESP-01S WiFi Module – Wireless Upgrade for 3D Printer Control Boards (2.4GHz, 802.11 b/g/n)

• BIGTREETECH ESP‑01S WiFi Module. Based on the ESP8266, this compact module supports 2.4GHz 802.11 b/g/n networking for convenient upgrades such as remote monitoring, basic wireless control, and IoT-style integrations.
• The ESP‑01S supports multiple WiFi modes (Station / SoftAP / SoftAP+Station) and common security standards (WPA/WPA2). With its UART interface (plus multi-function I/O support), it’s widely used on 3D printer boards and DIY projects where stable wireless communication and simple integration are needed.
• The onboard ceramic antenna keeps the footprint small while maintaining dependable connectivity.

Specifications

• Wireless standard: 802.11 b/g/n
• Frequency: 2.4GHz (2400–2483.5MHz)
• Operating voltage: 3.0–3.6V (recommended 3.3V)
• Average current: ~80mA
• Operating temperature: -40°C to 125°C
• Wireless modes: Station / SoftAP / SoftAP + Station
• Security: WPA / WPA2
• Encryption: WEP / TKIP / AES
• Protocols: IPv4, TCP/UDP, HTTP, FTP
• Antenna: Onboard ceramic
• Dimensions: ~25 × 15 × 8mm

Features

• BTT ESP‑01S WiFi module for compatible 3D printer control boards
• 2.4GHz WiFi (802.11 b/g/n) for stable wireless connection
• Station / SoftAP / SoftAP+Station network modes
• WPA/WPA2 security with common encryption support
• UART connectivity (plus multi-function interfaces: GPIO/PWM, etc.)
• Supports firmware upgrade methods including OTA (firmware dependent)
• Compact design with onboard ceramic antenna

Applications

• Wireless upgrade for compatible 3D printer boards (remote monitoring/control)
• ESP8266 IoT and sensor projects
• Home automation, wireless sensor nodes, smart devices
• DIY remote control and prototyping

Package Includes

• 1 piece of  BIGTREETECH ESP-01S WiFi Module