₹9,000.00
The Soil Salinity Sensor (Soil EC Sensor) is an industrial-grade precision instrument designed to measure the total salt content and electrical conductivity (EC) of soil. Featuring a robust, epoxy-encapsulated waterproof body and high-durability stainless steel probe pins, this sensor allows for direct insertion into soil or aqueous nutrient solutions. It provides continuous, highly reliable monitoring for smart agriculture, environmental research, and automated irrigation management.
| Parameter | Specification / Value |
| Sensor Name | Soil EC / Salinity Sensor |
| Measured Parameter | Electrical Conductivity (EC) / Total Soil Salt Content |
| Power Supply Voltage | DC 12V – 24V |
| Communication Output | RS485 (Modbus-RTU protocol) |
| Probe Material | 316 Stainless Steel (Corrosion-resistant) |
| Probe Configuration | 3-Prong Insertion Rods |
| Housing Material | High-density waterproof black epoxy resin (IP68) |
| Installation Method | Direct soil insertion / Buried installation |
| Target Environment | Agricultural soil, greenhouse substrates, soil-less media |
Overview
The MAX7219 8×8 LED Matrix Display Module is a compact, versatile display solution integrating 64 individual red light-emitting diodes arranged in an 8-row by 8-column grid. Driven by the integrated MAX7219 driver IC, this module offloads matrix scanning, multiplexing, and brightness control from the main host microcontroller, allowing seamless display drive using just 3 SPI control lines (VCC, GND, DIN, CS, CLK).
The board includes input (IN) and output (OUT) header connections, enabling multiple modules to be cascaded together in series to form larger LED banner displays, digital clocks, or moving message displays.
Overview
The displayed module is a vibrant Thin-Film Transistor (TFT) Liquid Crystal Display (LCD) breakout board, commonly driven by the popular ILI9341 display controller. It features a high-contrast 262K RGB color display with an integrated LED backlight and a standard 4-wire Serial Peripheral Interface (SPI) for fast, efficient data transmission. Designed with convenient mounting holes and dual header interfaces (11-pin main header and 5-pin auxiliary header), this module is widely used in embedded systems, DIY microcontroller projects, industrial HMI interfaces, and portable electronics.
| Key Highlights:
• Full-color 240×320 QVGA resolution delivering sharp graphics and text. • Fast 4-wire SPI communication interface reducing required I/O pins. • Integrated 3.3V voltage regulator and onboard logic level shifter compatibility. • Built-in SD card slot on auxiliary header for image and font storage. |
18650 Lithium-Ion Battery Cell
Technical Overview, Specifications, Applications, and Operating Characteristics
Short Overview
The image depicts a standard cylindrical 18650 rechargeable Lithium-Ion (Li-ion) battery cell featuring an orange high-temperature PVC shrink wrap. The designation ‘18650’ directly specifies its physical dimensions: 18 mm in diameter and 65 mm in height, with the ‘0’ indicating its cylindrical form factor.
Renowned for high energy density, low self-discharge rates, and high nominal discharge voltage (~3.6V–3.7V), 18650 cells serve as fundamental building blocks for both standalone portable electronic devices and multi-cell battery packs used in electric vehicles and renewable energy storage system (ESS) modules.
Overview
The ESP32-WROVER-E Development Board is a powerful, feature-rich microcontroller board designed by Espressif Systems. It is built around the ESP32-D0WD-V3 SoC, featuring a dual-core 32-bit Xtensa LX6 processor. A defining feature of the WROVER series is the inclusion of an additional 8 MB of SPI PSRAM (Pseudo-static RAM) alongside standard flash memory, making it ideal for memory-intensive applications such as audio streaming, AI/ML edge processing, and complex web servers.
The board includes an integrated USB-to-UART bridge (Silicon Labs CP2102), Micro-USB connector for power and programming, onboard reset (EN) and boot buttons, status LEDs, and breadboard-friendly GPIO headers. It seamlessly supports Wi-Fi (802.11 b/g/n) and Bluetooth (v4.2 BR/EDR and BLE) connectivity.
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