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Upgrade your IoT projects with the latest ESP‑01S ESP8266 Wi‑Fi wireless module. This enhanced version delivers faster data rates, improved stability, and a more robust antenna design, making it the perfect choice for hobbyists, makers, and professionals seeking reliable wireless connectivity for Arduino, Raspberry Pi, and other micro‑controller platforms.
Why Choose the Upgraded ESP‑01S?
- Enhanced UART speed up to 921600 bps for rapid data transfer.
- Improved antenna layout for stronger signal strength and longer range.
- Lower power consumption – ideal for battery‑operated devices.
- Fully compatible with existing ESP‑01 firmware and AT command set.
- Compact 16 mm × 24 mm footprint fits tight enclosures.
Key Highlights
- Wi‑Fi Standard: 802.11 b/g/n (2.4 GHz)
- Processor: Tensilica L106 32‑bit MCU (80 MHz)
- Flash Memory: 1 MB (8 Mbit) integrated
- GPIO: 2 programmable pins (GPIO0, GPIO2) with PWM support
- Operating Voltage: 3.0 V – 3.6 V
- Current Draw: 70 mA (active), 20 µA (deep‑sleep)
- Temperature Range: -40 °C to +85 °C
Technical Specifications
- Module Dimensions: 16 mm × 24 mm × 2.5 mm
- UART Interface: TX, RX, VCC, GND, CH_PD, RST
- Supported Protocols: TCP, UDP, HTTP, MQTT, SSL/TLS
- Supply Options: 5 pcs or 10 pcs bulk packs
- Certifications: CE, FCC, RoHS
Compatibility & Integration
The ESP‑01S works seamlessly with popular development environments such as Arduino IDE, PlatformIO, and ESP‑IDF. It can be programmed via the standard AT command set or flashed with custom firmware (e.g., NodeMCU, MicroPython) to unlock full MCU capabilities.
Typical Applications
- Smart home sensors and actuators
- Remote data logging and telemetry
- Wi‑Fi enabled wearables
- Industrial IoT gateways
- DIY robotics and automation projects
Package Contents
- 5 pcs or 10 pcs of upgraded ESP‑01S modules (as selected)
- Quick‑start guide with wiring diagram and AT command reference
Boost your wireless connectivity today with the upgraded ESP‑01S ESP8266 module—the reliable, high‑performance solution for every connected device.
Price: $ 1.94