Blynk IoT Sensor Dashboard
Blynk IoT Sensor Dashboard: Build a Live Environmental Monitor with ESP8266
Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.
You wire a DHT22 temperature/humidity sensor and two LDR light sensors to an ESP8266, then stream their live readings straight to a Blynk mobile dashboard. The moment light drops too low or temperature climbs past your chosen threshold, a push notification hits your phone. It’s a genuine remote monitoring station — ideal for a smart greenhouse, a home weather panel, or just mastering the full IoT stack in one afternoon.
What You'll Build
A complete environmental sensor dashboard that displays real‑time temperature, humidity, and ambient light on your phone’s Blynk app. The included 0.96‑inch OLED shows the same values locally, so the system works even without your phone nearby. You’ll set custom alert thresholds for any sensor, turning raw data into actionable notifications — exactly the kind of system used in automated agriculture, cold chain monitoring, and smart homes.
What You'll Learn
- Configuring the Blynk IoT platform and linking it securely to an ESP8266 board
- Reading precise digital data from a DHT22 sensor using its one‑wire protocol
- Interfacing analog LDR sensors with the ESP8266’s ADC to measure light intensity
- Designing conditional push‑notification logic that triggers on sensor threshold breaches
Kit Contents
| Component | Quantity |
|---|---|
| ESP8266 NodeMCU | 1 |
| DHT22 | 1 |
| LDR | 2 |
| 0.96in OLED | 1 |
| 10kΩ Resistors | 10 |
| 4.7kΩ Resistors | 5 |
| 100nF Caps | 5 |
| 400-pt Breadboard | 1 |
| M-M Wires | 20 |
| Micro USB Cable | 1 |
Why Buy This Kit Instead of Sourcing Parts Separately
| Factor | Sourcing Separately | Compoden Kit |
|---|---|---|
| Compatibility checks | You verify every part | Pre-tested as a system |
| Build support | Forums and scattered tutorials | AI companion trained on this exact project |
| Time to first working build | Days of debugging | Hours, with step-by-step guidance |
| Shipping coordination | Multiple sellers, multiple delays | One shipment from Bengaluru in 3-5 days |
Who This Kit Is For
CBSE Class 11‑12 students building IoT projects for their curriculum, B.Tech ECE and EEE second‑year students tackling sensor‑based mini‑projects, Smart India Hackathon teams prototyping a rapid environmental monitoring solution, and ATL Tinkering Lab mentors guiding hands‑on IoT learning. If you attend an IIT, NIT, VIT, or BITS campus and want a weekend project that connects hardware to the cloud, this kit slots right into your maker schedule.
Built and Backed by Compoden
Every Compoden kit ships with an AI build companion trained on this exact project — accessible via a QR code on the box, with WhatsApp and email backup. We've spent 10 years building projects for makers, schools, and institutions across India. If a part fails because of a manufacturing defect, replace it free within 7 days.
What if I get stuck during the build?
Scan the QR code to open the AI companion trained specifically for this kit; it can walk you through every connection and line of code. If you need a human, our WhatsApp support team responds within a few hours.
Does this kit work with the free version of Blynk?
Absolutely. The Blynk IoT platform’s free tier provides enough data streams and widgets to display all three sensor values and trigger push notifications — no subscription required.
Can I add more sensors later?
Yes. The ESP8266 has spare GPIO pins and the breadboard offers plenty of room. You can expand with soil moisture, gas, or motion sensors, then add them to the same Blynk dashboard for a multi‑parameter monitoring system.
How do I power the project for long-term monitoring?
Any standard 5V USB power bank or wall adapter plugged into the NodeMCU’s Micro USB port will keep the system running continuously. The ESP8266’s low power draw makes it ideal for overnight or multi‑day experiments.
DHT22 and LDR data streamed live to Blynk mobile app. Push notification on threshold breach.
What's in this kit
- ESP8266 NodeMCU
- DHT22
- LDR x2
- 0.96in OLED
- 10kΩ Resistors x10
- 4.7kΩ Resistors x5
- 100nF Caps x5
- 400-pt Breadboard
- M-M Wires x20
- Micro USB Cable
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