DS18B20 Digital Temperature Sensor Probe with 3M Waterproof Cable - 7Semi The 7Semi DS18B20 Digital Temperature Sensor Probe with a 3M Waterproof Cable is built for accurate, reliable, and durable real-time temperature monitoring across diverse environments. Ideal for DIY projects, industrial applications, and environmental monitoring, this sensor combines top performance with rugged design. The 2-inch stainless steel probe provides exceptional durability and corrosion resistance, while the 3-meter cable ensures flexibility for installations even in submerged or hard-to-reach areas. Using a 1-Wire digital interface, it integrates seamlessly with platforms like Arduino, Raspberry Pi, and ESP32, offering straightforward connectivity and minimal wiring. Its waterproof construction makes it perfect for demanding environments such as aquariums, pools, hydroponics, and outdoor weather stations. Thanks to its high precision, ease of use, and versatile compatibility, the DS18B20 sensor probe is an excellent choice for both indoor and outdoor temperature sensing needs. Features: Accurate Temperature Sensing: Measures temperatures with high precision. Waterproof Design: Reliable performance in wet and humid conditions. Stainless Steel Probe: 2-inch corrosion-resistant probe for durability. Flexible Connectivity: 3-meter-long cable for versatile placement options. 1-Wire Digital Interface: Simplifies wiring and supports multiple sensor connections.

DS18B20 Waterproof Digital Temperature Sensor Probe This is a pre-wired and waterproofed version. Handy for when you need to measure something far away or in wet conditions. While the sensor is good up to 125°C the cable is jacketed in PVC so we suggest keeping it under 100°C. Because they are digital, you don't get any signal degradation even over long distances! These 1-wire digital temperature sensors are fairly precise and can give up to 12 bits of precision from the onboard digital-to-analog converter. They work great with any microcontroller using a single digital pin and you can even connect multiple ones to the same pin, each one has a unique 64-bit ID burned in at the factory to differentiate them. Usable with 3.0-5.0V systems. Key features: Stainless steel tube 6mm diameter by 30mm long Cable is 36 inch long / 91cm, 4mm diameter (1 Meter Long) Contains DS18B20 temperature sensor Three wires - Red connects to 3-5V, Black connects to the ground and White is data. Video Tutorial: DS18B20 Waterproof Digital Temperature Sensor Probe

DS18B20 Waterproof Temperature Sensor Probe 1m Range -7Semi The DS18B20 Waterproof Temperature Sensor Probe 1m Range -7Semi is designed for precise temperature monitoring across a wide range of environments. Encased in a durable stainless-steel housing and fully waterproofed, this sensor delivers reliable readings in wet, humid, or extreme conditions—perfect for use in laboratories, industrial tanks, aquariums, greenhouses, and outdoor weather stations. It supports a temperature range of -55°C to +125°C, with an impressive ±0.5°C accuracy between -10°C and +85°C. Featuring a 1-Wire digital interface, it integrates effortlessly with microcontrollers like Arduino and Raspberry Pi. The 2-inch stainless steel probe and 1-meter-long insulated cable allow for flexible placement, making this sensor an excellent choice for smart home automation, HVAC systems, and scientific applications. Features: High precision: Provides ±0.5°C precision between -10°C and +85°C for precise thermal monitoring. Wide Temperature Range: Temperatures are measured from -55°C to +125°C, making them suited for a variety of applications. Waterproof Design: Fully enclosed in stainless steel for use in wet or submerged conditions. Digital Output (1-Wire Bus): Enables simple communication with Arduino, Raspberry Pi, ESP8266, and other microcontrollers. Compact and durable: a 2-inch stainless steel probe with a 1-meter cable that resists rust and corrosion. High Resolution: Allows for thorough and accurate temperature readings with up to 12-bit resolution. Versatile applications: Include industrial automation, environmental monitoring, liquid tanks, and HVAC systems.

ELECROW eBus Adapter Shield C6 with Translucent Enclosure USR-ES1 Module without Ethernet The eBUS Adapter Shield C6 offers an interface to a 2-wire eBUS with galvanic isolation, enabling reliable communication with eBUS-compatible heating, ventilation, or solar systems. As an enhanced version of the previous adapter (v5), it continues the evolution of earlier designs with significant improvements. These include a more compact size (37x26mm), a pluggable eBUS connection, built-in WiFi using the ESP32-C6, compatibility with various Ethernet modules, and many additional features. Introduced in early 2023 after extensive prototyping, the v5 version is already widely used by thousands. Since its release, several design upgrades have been made, including the integration of an eFuse for overvoltage and overcurrent protection, as well as a USB-C connection, both featured in the C6 version. Features Complete galvanic isolation with no power consumption from the eBUS (classified as Class 0 per the eBUS specification). Versatile host connectivity options, including: - Built-in USB - Built-in WiFi with an onboard PCB antenna - Direct plug-in compatibility with Raspberry Pi - Ethernet (using the optional USR-ES1 addon module, see details below) Full compatibility with the enhanced ebusd protocol. Web-based configuration and firmware updates, available at no cost. Optional sensor connectivity for expanded functionality. Specifically optimized and designed for seamless integration with ebusd.

Electronic 5V Hourglass Shape Flashing LED DIY Soldering Board Kit The Electronic Hourglass Shape Flashing LED DIY Kit is a fun and educational hands-on kit designed for beginners, students, and electronics enthusiasts. It includes high-quality SMD components and a precisely manufactured PCB in a stylish hourglass shape. Once assembled, the LEDs light up in a flowing animation similar to sand falling in an hourglass, making it both a learning tool and a decorative piece. This kit is perfect for practicing soldering techniques and improving your understanding of electronic components, circuit behavior, and assembly skills. Whether you're building it for a school STEM project, personal learning, or gifting someone who enjoys DIY electronics, this kit delivers a rewarding and enjoyable experience. Features: Designed as a hands-on DIY soldering kit, allowing users to learn electronics through assembling SMD components on a high-quality PCB. Hourglass-shaped LED layout produces a visually appealing animated light effect once powered, doubling as an educational tool and decorative display. Helps beginners and students significantly improve soldering accuracy, component identification, and circuit-building confidence. PCB is built with durable materials in a green finish, ensuring long-term stability and consistent LED illumination. Operates on a simple 5V power supply, making it compatible with USB power banks, adapters, and lab bench supplies. Ideal for school electronics projects, hobby learning, STEM clubs, or anyone wanting to refine soldering skills.

Industrial RS485 MODBUS Temperature & Humidity Sensor with a Wide Measurement Range of -40°C to +80°C and 0–100% RH -Seeed Studio The Industrial MODBUS RS485 Air Temperature and Humidity Sensor is a rugged climate probe designed for accurate and reliable environmental monitoring in demanding conditions. With a wide measurement range of -40°C to +80°C and 0–100% RH, it delivers high-precision data collection with fast response and long-term stability. Engineered for industrial and outdoor applications, this sensor comes in two variants to suit different setups: a hook-up wire version compatible with the SenseCAP LoRaWAN® Data Logger for low-power, long-range connectivity, and a waterproof aviation connector version designed for the SenseCAP Sensor Hub 4G Data Logger, enabling multi-sensor data collection via 3G/4G LTE networks. Its robust, waterproof, and dustproof design ensures dependable performance under harsh conditions such as strong UV exposure, heavy rain, and dust. When paired with a Solar Radiation Shield, the sensor provides even more accurate outdoor measurements by preventing temperature buildup. Built for seamless integration, the sensor works with SenseCAP S2100 Data Logger and S2110 Grove Converter, making it easy to deploy in LoRaWAN networks or extend existing setups with Grove sensors. Combining industrial-grade durability, energy efficiency, and flexible connectivity, this sensor is an ideal solution for agriculture, smart cities, environmental monitoring, and other industrial IoT applications. Features: Wide Measurement Range: Accurately measures air temperature from -40°C to +80°C and humidity from 0–100% RH. High Accuracy & Stability: Built-in algorithm ensures precise, consistent, and fast-response data collection. Hook-up wire version: compatible with SenseCAP LoRaWAN® Data Logger for long-range, low-power transmission. Waterproof aviation connector version: compatible with SenseCAP Sensor Hub 4G Data Logger for multi-sensor integration. Rugged & Weatherproof Design: IP-rated enclosure resistant to water, dust, UV exposure, and harsh outdoor conditions. Solar Radiation Shield Compatibility: Reduces temperature buildup for more accurate outdoor measurements. Flexible Power Options: Can be powered by replaceable batteries or connected to a 12V external power supply with battery backup. MODBUS RS-485 Interface: Ensures seamless integration with industrial monitoring systems. LoRaWAN Connectivity Support: Through SenseCAP S2100 Data Logger, enabling long-distance (up to 10 km line-of-sight) and low-power wireless transmission. Easy Deployment & OTA Management: Built-in Bluetooth and mobile app service for simple setup, configuration, and remote updates. Industrial Applications: Designed for agriculture, smart cities, environmental monitoring, and industrial IoT scenarios. Applications: Smart City Smart Agriculture Environmental Monitoring Other Sensor Applications

IR OBSTACLE SENSOR MODULE This sensor is based on a very simple principle. It can detect obstacles in a range of 10 to 30 cm. This sensor can be used for most indoor applications where no ambient light is present. The IR light sent by the sensor is reflected back by objects. The detecting range can be adjusted and its prone to external light.

LM393 Photosensitive LDR Light-Dependent Control Sensor Module The LM393 Photosensitive LDR Light Sensor Module 4 Pin helps detect light and control brightness. It uses an LM393 voltage comparator, which gives a clear output signal. You can adjust the light sensitivity with a small dial, making it easy to use for different brightness levels. This module works with a 3.3V to 5V power supply and gives a digital output, making it perfect for detecting light levels around it. It can directly control relay modules or act as a light-activated switch for various projects. How to use the LDR sensor module click here! Interface Pin: VCC: +ve power supply. GND: Ground. D0: Digital output signal. A0: Analog Output Signal. Features: Has a mounting hole for easy setup. Light indicator shows output status. 4-pin module to detect light levels. Detects surrounding brightness and light intensity. Sensitivity can be adjusted with a small dial. Two output types: digital (on/off) and analog (voltage). Works with Arduino, Raspberry Pi, and other controllers.

MH13001 10A 220V Mini Digital Air Humidity Control Controller MH13001 220V Digital Air Humidity Control Controller Range designed as digital humidity control controller. It comes with a wide humidity measuring range and controlling range consisting of a humidity controller sensor probe with cable. This humidity Capacitive Digital Temperature and Humidity Module is a temperature and humidity composite sensor providing a calibrated digital signal output. This digital output is displayed via an LCD. The display is red that shows three “LED” digits, which clearly shows the temperature full value (no decimal place). Humidity sensors make use of high-precision capacitive faster chip which has the advantage of high accuracy to reflect. It offers a Humidity measuring range of 1 percent ~ 99 percent RH and also has a control range of 1 percent RH. In this module, the humidification and dehumidification are set via the menu, thus the parameters have been set for the power outage permanent memory function. MH13001 220V Digital Air Humidity Control Controller offers highly precise, more accurate, and works in a bigger range of temperature/humidity. But quite larger and more expensive compared to AM2302. Using dedicated digital module acquisition technology and temperature, and humidity sensors ensure the products with high reliability and excellent long-term stability. Below the display, there exist four buttons that control the humidity controller. The first button indicates  “SET”,  with the following two buttons + and – used for menu navigation increasing or decreasing values, and Rst resembles the “ON/OFF button”. At the back of the humidity controller there exist  3x green terminals. On left, consists of “Relay switch”, in the center is “Power” and on the right is terminals for probe AM2302.  Moreover, the  Humidity controller sensor MH-13001 is placed at the bottom of the temperature controller's right side. And also it measures about 80 cm long with the active end. Applications: Can be used to maintain desired temperature-hatching devices Can be used in refrigerators Can be used in Greenhouse cultivation Package Included: 1 x MH13001Digital Air Humidity Controller 1 x Humidity controller sensor probe with cable

Mini Digital Thermometer Humidity Hygrometer This is a Digital thermometer and hygrometer. This meter can be used to measure temperature and humidity. The meter comes with a sensor with an extended wire. Hygrometers measure the amount of moisture (or water vapor) in the air, commonly referred to as humidity. By knowing the percentage of humidity in the air along with the current temperature, dew point temperature and heat index can be calculated. With long-lasting battery life, it makes it easy to install in any system easily. Applications: Widely used in Aquarium Poultry Reptile Incubator Greenhouse Also check Mini LCD Digital Thermometer with Probe. The thermometer has a long probe line, an LCD display, and can show temperatures in Celsius and Fahrenheit.