This is the 5V variant of the DC7-28/5V 30A ESP8266 WIFI 4 Channel Relay Module ESP-12F Development Board in IoT Development Boards. Available at ₹1,109.20 (₹940.00 + GST) with free shipping across India.
PRODUCT DESCRIPTION
The ESP8266 four-way 30A relay development board is equipped with an ESP-12F WiFi module, all I/O ports are led out, and it supports DC7-28V/5V power supply. Provide Arduino development environment reference code, suitable for ESP8266 secondary development learning, smart home wireless control and other occasions.
Interfacing:
- GND, Rx, Tx and 5V of esp8266 record and write port are respectively connected with GND, TX, RX and 5V of external TTL serial port module.
- When downloading, 00 needs to be connected with GND, and then disconnect 00 from GND after downloading.
- NC relay output: normally closed end, the relay is shorted to com before closing and suspended after closing.
- COM: public end. No: normal start, the relay is suspended before closing and will short to com after closing.
Features:
- Mature and stable esp-12f WiFi module on board, large capacity 4m Byte Flash.
- The WiFi module I / O port and UART program download port are all led,
- It is suitable for secondary development.
- The power supply mode supports dc7-28v / 5V.
- Integrated WiFi module RST Reset button and a programmable key.
- Esp-12f supports the use of eclipse / Arduino LDE and other developers Provides the reference program in the Arduino development environment.
- Onboard 5V / 30A 4-way relay, output switch signal, suitable for control. Control the load whose working voltage is Within AC 250V / DC 30V.
- On-board power indicator, 1 programmable led and relay indicator.
Package Includes:
1 x ESP8266 WIFI Development Board
IoT Dashboard with Grafana and InfluxDB on Local Network
An IoT Grafana InfluxDB dashboard is the professional way to visualise data from your ESP32 sensor nodes on...
Read More →
ESP32 Bluetooth Mesh: Network of Smart Sensor Nodes
Building an ESP32 Bluetooth mesh nodes network opens up a new paradigm for sensor deployments that covers areas...
Read More →
ESP32 Hall Effect Sensor: Magnetic Field Detection Guide
Did you know the ESP32 has a built-in hall effect sensor right inside the chip? The ESP32 hall...
Read More →Technical Specifications
| Model | DC7-28 |
|---|---|
| Operating Voltage | 5V |
| Current Rating | 30A |
| Channels | 4-channel |
| Interface / Protocol | WiFi |
| SKU | AI3252 |
| Weight | 0.17 kg |
| Availability | In Stock |
Applications & Use Cases
The DC7-28/5V 30A ESP8266 WIFI 4 Channel Relay Module ESP-12F Development Board is a versatile iot development boards used across a wide range of applications including rapid IoT prototyping, connected sensor platforms, edge computing, wearable devices, and home automation.
Common use cases:
- Prototyping a smart environmental monitor
- Building a BLE-connected fitness tracker
- Creating an edge AI inference device
This product is ideal for IoT engineers, embedded developers, and electronics students.
Technical Tip: Development boards with built-in displays and sensors accelerate prototyping. Check GPIO count and peripheral support for your project needs.
Shipping & Delivery
- Free shipping on orders above ₹999 across India
- Dispatched within 1-3 business days
- Expected delivery: 3-7 business days depending on location
- Secure packaging to ensure safe transit of electronic components
