WiFi Serial Transceiver Module - ESP8266 ESP-01 S (1M Flash)
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, cards, or Cash on Delivery, anywhere in India.
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). 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 typically takes 3-7 business days depending on your location.
Buy WiFi Serial Transceiver Module - ESP8266 ESP-01 S Online in India from Compoden, with COD and UPI available across India.
Ask Soldr above what you can build with this — it knows every Compoden kit this part appears in.
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 1-2 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