WiFi Serial Transceiver Module - ESP8266 ESP-01 S (1M Flash)
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WiFi Serial Transceiver Module - ESP8266 ESP-01 S (1M Flash)
The ESP8266 ESP-01 S is a WiFi serial transceiver module with 1MB flash memory, enabling wireless communication for microcontroller-based projects. It is designed for makers and engineers adding WiFi connectivity to Arduino, ESP32, or Raspberry Pi systems.
Specifications
- WiFi standard: 802.11 b/g/n
- Flash memory: 1MB
- Operating voltage: 3.3V
- Logic level: 3.3V
- Interface: UART (serial)
- Pin count: 8 pins (2x4 header)
- Dimensions: 25mm x 14mm
Compatible with
- Arduino (Uno, Mega, Nano)
- ESP32
- Raspberry Pi (any model)
- STM32
- Any 3.3V logic microcontroller
What you can build with it
- WiFi-enabled temperature and humidity sensor that sends data to a cloud dashboard
- Smart home relay controller for switching lights or appliances via smartphone
- IoT weather station logging real-time environmental data to a web server
Built and Backed by Compoden
Every ESP8266 ESP-01 S module from Compoden includes access to our AI build companion, delivered via QR code, email, or WhatsApp, which guides you through wiring and programming the module into a working project. With 10 years of experience supplying electronics to makers, schools, and engineering institutions across India, we ensure reliable components and practical support. Pay your way: UPI or cards anywhere in India, plus COD if checkout offers it for your order.
What is the difference between ESP-01 and ESP-01 S?
The ESP-01 S has 1MB flash memory, compared to the original ESP-01's 512KB. This provides more space for firmware and applications.
What payment options are available for the ESP8266 ESP-01 S?
You can pay using UPI, credit/debit cards, or Cash on Delivery (COD) if checkout offers it for your order. All payment methods are available across India.
How long does delivery take?
We ship the ESP8266 ESP-01 S across India including Delhi, Mumbai, Bangalore, Hyderabad, Chennai, and Pune. Delivery takes 2-7 days after dispatch, depending on your location.
Buy WiFi Serial Transceiver Module - ESP8266 ESP-01 S Online in India from Compoden, with UPI and cards, plus COD if checkout offers it for your order.
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Shipping Information
- Prepaid Orders: ₹75 for orders up to ₹999, FREE shipping above ₹999
- COD Orders: ₹125 shipping + ₹50 COD fee = ₹175 total
- Delivery Timeline: Dispatch in 3-7 days, delivery in 2-7 days depending on location
Returns & Warranty
- 7-Day Return: Manufacturing defects only (approval required)
- Warranty: 7 days from delivery
- Non-Returnable: Batteries, consumables, cut wires, clearance items