
BLOG · 26/4/2026

| Component | Price | Buy From | Reason |
|---|---|---|---|
| Breadboard | 50 | Vishal Electronics | Important lab item, so better to buy from a reliable vendor. |
| DHT11 | 47 | Robu.in | Important sensor, so quality and reliability matter more than a small price difference. |
| ESP32 | 330 | Vishal Electronics | Core board of the project, so better to prefer a trusted source. |
| Push buttons | 4 x 1 | Cheapest vendor | Small low-cost item, so buy wherever it is cheapest. |
| Capacitive soil moisture sensor | 55 | Vishal Electronics | Important sensing module, so better to buy from a dependable vendor. |
| LED | 4 x 1 | Cheapest vendor | Very cheap component, so lowest price is the best choice. |
| Flame sensor | 35 | Vishal Electronics | Important module, so reliability is preferred. |
| DC motor 5V | 40 | Robu.in | Important actuator, so better quality and trust are preferred. |
| Solenoid valve | 225 | Robocraze | Bigger and important component, and this also has the best price here. |
| Relay 5V | 70 | Robu.in / Robocraze | Important control component, and both offer the best price. |
| Ultrasonic sensor | 50 | Om Electronics | Good price for a useful module, so practical to buy here. |
| PIR sensor | 50 | Om Electronics | Lowest price for an important sensor. |
| LDR | 10 | Cheapest vendor | Small basic item, so buy from the cheapest place. |
| RFID Card, Tag and Reader | 148 | Robocraze | Important module and available at the best price. |
| INMP441 | 175 | Om Electronics | Specialized module and available at the lowest price. |
| Micro USB cable | 30 | Cheapest vendor | Common utility item, so buy from the cheapest vendor. |