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.

DS3231 Real Time Clock Memory Module with Battery DS3231 is a low-cost, extremely accurate I2C real-time clock (RTC), with an integrated temperature-compensated crystal oscillator (TCXO) and crystal. Real-time clock generator seconds, minutes, hours, day, date, month and year timing and provide valid until the year 2100 leap year compensation DS3231 available in commercial and industrial temperature ranges, using a 16-pin 300mil SO package. DS3231 RTC  is a Precise Real-Time Clock Module with 32Kbit EEPROM and a built-in 10-bit temperature sensor having a resolution of 0.25C. The integration of the crystal resonator enhances the long-term accuracy of the device as well as reduces the piece-part count in a manufacturing line. The ds3231 Arduino is available in commercial and industrial temperature ranges and is offered in a 16-pin, 300-mil SO package. Applications: Robotics Data Loggers Servers Computer Peripherals GPS Modules Utility power meters

DS3231 Real Time Clock Memory Module with out Battery DS3231 is a low-cost, extremely accurate I2C real-time clock (RTC), with an integrated temperature-compensated crystal oscillator (TCXO) and crystal. Real-time clock generator seconds, minutes, hours, day, date, month and year timing and provide valid until the year 2100 leap year compensation DS3231 available in commercial and industrial temperature ranges, using a 16-pin 300mil SO package. DS3231 RTC  is a Precise Real-Time Clock Module with 32Kbit EEPROM and a built-in 10-bit temperature sensor having a resolution of 0.25C. The integration of the crystal resonator enhances the long-term accuracy of the device as well as reduces the piece-part count in a manufacturing line. The ds3231 Arduino is available in commercial and industrial temperature ranges and is offered in a 16-pin, 300-mil SO package. Features: Supports 2.2 to 5.5 V for the Real-Time Clock (RTC). Equipped with a fast 400kHz I2C interface. It's an extremely accurate I2C real-time clock (RTC). Has an inbuilt temperature-compensated crystal oscillator (TCXO) and crystal. Capable of tracking seconds, minutes, hours, day, date, month, and year. Features a built-in 32Kbit EEPROM and a 10-bit temperature sensor with 0.25°C resolution. Applications: Robotics Data Loggers Servers Computer Peripherals GPS Modules Utility power meters

DS3231 Real Time Clock Module for Raspberry Pi (Without Battery) The DS3231 Real-Time Clock (RTC) Module keeps accurate time for your Raspberry Pi and also works with Arduino. It tracks seconds, minutes, hours, day, date, month, and year, accurate up to the year 2100. The module adjusts to work with 3.3V or 5V, so it’s safe to use with Raspberry Pi. It has two alarms, a 1Hz and 32.768kHz output, and uses a fast I2C connection for easy setup. This low-power module also has a battery backup option (battery not included) to keep time when the main power is off.

DS3231 RTC Module (Real Time Clock) DS3231 Mini RTC is a Mini Real-Time Clock module designs for Raspberry Pi, but it also can be used to Arduino. DS3231 RTC IC Self-adjust 3.3V and 5V.Provide battery backup for continuous timing, Low-power consumption. Complete clock functions include seconds, minutes, hours, day, date, month and year timing, and provide valid to 2100. It has Two calendar alarms, 1Hz, and 32.768kHz output. Reset output and input buttons Debounced High-speed (400KHz) I2C serial bus. Many RTC modules are meant to operate at 5V. Unfortunately, the Raspberry Pi operates at 3.3V, that is where this handy module comes into play, it operates at 3.3V perfect for adding an RTC to your Raspberry Pi. check out : Programmable Digital Timer Module Note: This board can be used with Arduino board Module itself can adapt 3.3V and 5V systems without level conversion. Applications Servers Data Loggers GPS Modules Power Meters

DSO138 2.4-inch TFT Digital Oscilloscope Kit The DSO138 digital oscilloscope kit is a DIY portable oscillator kit integrated with an ARM Cortex-M3 processor (STM32F103C8) and includes a 2.4-inch color TFT display screen, that can be used as the ARM test development board. This DSO138 Oscilloscope Kit features automatic, regular, and one-shot modes, easy to capture the moment waveform. It's easy and reliable for circuit operation. This digital Oscillator kit can display frequency, period, pulse width, duty ratio, MAX./MIN./AVG./Peak-Peak/virtual values. This boost converter is a great match for the DSO138 oscilloscope kit. It can be connected directly to the DSO138 motherboard(not included). Features: This DSO138 oscilloscope uses an ARM Cortex-M3 processor (STM32F103C8) and includes a 2.4-inch color TFT display screen. Adjustable vertical displacement, and with instructions. It can be a secondary development based on this kit, like it can be changed to a Millivoltmeter, or data logger. Comes 1Hz /3.3V square wave test signal source. Available rising or falling edge trigger. With waveform parameter digital display, including frequency, period, pulse width, duty ratio, MAX./MIN./AVG./Peak-Peak/virtual values. With automatic, regular, and one-shot modes, easy to capture the moment waveform. Observable previous trigger waveform (negative delay). Can freeze at any time waveform display (the HOLD function). Also, check the Acrylic Case Shell for DIY DSO138 Oscillator Kit specially designed DIY acrylic case for this oscilloscope. Applications: Designed for circuit operation. Suitable for frequency analysis tasks. Ideal for signal analysis and troubleshooting with automatic, regular, and one-shot modes. Easy to capture moment waveforms. Useful for learning about waveforms and electronic signals. Can be used as an ARM test development board. With the boost converter, it can be transformed into a portable oscillator.

DT266 Digital Clamp Multimeter The DT266 Digital Clamp LCD ACDC Voltage Electricity Ampere Measuring Multimeter can help you in troubleshooting electrical issues for both professional and domestic applications. Field service technicians or households can utilize this DT-266 Clamp Meter for basic continuity tests when the fundamental need is to check the flow of electric current through an electric circuit. This way you can easily detect damaged parts, broken conductors, or excessive resistance in a circuit that is open and discontinuous and restricts a seamless flow of the circuit. The DT-266 Clamp Multimeter also measures voltage to let you know of voltage spikes or under voltage conditions. You can compute the vector sum of the current flowing in a particular conductor and for heavy load wires, you can use the DT-266 Clamp Meter for making heavy ampere or electrical current measurements. LCD Display. The light weight of 331 gm allows you to easily carry the DT-266 Clamp Meter for your diverse field jobs or handle it conveniently at home. Applications: For Field service technicians For DIY Hobbyist For both professional and domestic applications

DT9205A Digital Multimeter This multimeter is for all those students and Electronic craze people that need to buy their first good, low-cost digital multimeter. This multimeter offer medium accuracy. For the ease, fo use this multimeter has back stand which makes it comfortable to use it on the desk and another plain surface. It even has comfortable grips on either side. This multimeter has a rubber Side cover for protection. Multimeter Overload protection: Used the PTC protection circuit for Resistance, Double Current Fuses. High quality, more safety.