ICQUANZX 2pcs DS18B20 Temperature Sensor Module Kit with Waterproof Stainless Steel Probe for Raspberry Pi

  • Simplify connecting a waterproof temperature sensor to your project with this adapter module kit.
  • Pull-up resistor included on the adapter module, an external resistor is not required to connect directly to the GPIO of the Raspberry Pi.
  • Waterproof digital temperature sensor DS18B20 on 100cm cable with adapter module.
  • Measure the temperature directly in water or soil.
  • DS18B20 Wiring: Red = VCC, Yellow = Data, Black = GND.
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20 Pieces 3 Pins AMS1117-3.3 DC 4.75V-12V to 3.3V Voltage Regulator Down Power Supply Buck 800mA Module

  • ...age regulator mini power supply is compatible with Arduino MEGA2560, MSP430 development board, 3.3V low power consumption MCU, FPGA/CPLD PLD programmable logic systems, ARM7 ARM9 ARM11 STM32, etc..
  • Provide more safety: the AMS1117-3.3 800mA DC buck module features overheat shutdown circuit provides overload and over-temperature protection, no worry about safety and bring you more convenience.
  • Operating junction temperature range: -40 to 125°C, welding temperature (25 seconds): 265°C, storage temperature: - 65~150°C.
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ACEIRMC 4pcs Si7021 GY-21 SHT21 HTU21 Digital Humidity Temperature Sensor Module Replace SHT11 SHT15

  • The humidity and temperature sensor board that carries a digital SHT21 humidity and temperature sensor from Sensirion..
  • Si7021 GY-21 Module Industrial High Precision Humidity Sensor I2C IIC Interface Module For Arduino Low Power CMOS IC Module.
  • It has a 4-pin interface that can communicate directly with the analog pins.
  • It can be used as a hardware- and software-compatible drop-in upgrade for existing RH/temperature sensors in 3x3 mm DFN-6 packages, featuring precision sensing over a wider range and lower power consumption..
  • The Si7021 offers an accurate, low-power, factory-calibrated digital solution ideal for measuring humidity, dew-point, and temperature, in applications ranging from HVAC/R and asset tracking to industrial and consumer platforms..
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DC-DC Converter Module Boost DC Step Up Voltage Regulator CV Stabilizer Power Supply Module 10-60V to 12-97V 1500W 30A

  • Stable Output: Boost module has high power and stable output, and it can also convert 10-60VDC to 12-97VDC..
  • Intelligent Temperature Control: It adopts intelligent temperature-controlled fan design, and automatically works when the temperature reaches 60°C or so. It stops when the temperature is lower than 60°C..
  • High Conversion Efficiency: Step up module is made of high quality components, ensuring high conversion efficiency up to 97%..
  • Long Service Life: Boost converter is a non-isolated DC power converter module with a long service life..
  • Widely Used: It is widely used in high-power solar street lights, various LED lighting CV drives, car and mobile equipment power supplies, DIY adjustable CV power supplies, solar charging, and various battery charging..
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KEYESTUDIO Starter Kit V2 for Arduino with RJ11 Connector, Great STEM Education Kit for Students, Teachers and Hardware Enthusiast

  • Whenever you and your family go for vacations, you may used to get worried about your plants because they need water on regular basis. We develop this Automatic Plant Watering System to solve this problem as plants need water according to the moisture level of soil..
  • The kit includes a plus controller, DHT22 temperature and humidity sensor, I2C LCD, push button modules, power amplifier module, DS3231 clock module, non-contact level liquid sensor, motor driver module, capacitive soil humidity sensor, and pump..
  • More than 13 well-selected electronic modules and 17 step by step creative tutorials. Full example code is provided and explained and even includes useful software tool..
  • Multi-purpose: timing watering mode, and the sensor detection mode that when the soil is dry, Arduino will command the water pump to run(up to 4 plants at once)..
  • Our system measures the soil moisture and waters automatically according to it. A audio power amplifier module tells us when the bucket is empty. I2C LCD displays the temperature and humidity..
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XH-W3001 Digital LED Temperature Controller Module Digital Thermostat Switch with Waterproof Probe Programmable Heating Cooling Electronic Thermostat Range from -50℃ to 110℃ (12V 10A 120W) (2 Pieces)

  • 2 Working modes: this digital LED temperature controller module has 2 working modes, heating mode (start temperature is lower than stop temperature) and cooling mode (start temperature is higher than stop temperature), range from -50°C to 110°C.
  • The high temperature control accuracy reaches 0.1℃.
  • Stable and reliable: the LED indicator light can display the current output status.
  • The digital display tube can display the measured temperature, and the temperature measurement and control accuracy is high.
  • Durable material: this XH-W3001 digital thermostat switch is made of ABS, one of the five major synthetic resins, which is non-toxic, strong impact resistance, heat and low temperature resistance.
  • Waterproof probe: equipped with a 1-meter NTC10K probe made of stainless steel, which is waterproof and not easy to rust, easy to use and can last for a long time.
  • Suitable for: the temperature controller module can be widely applied in the conditioning systems, incubators, equipment cases, temperature control protection and others.
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Icstation DC 12V Programmable Temperature Controller, Smart Home Incubator Aquarium Car Improvement Mini Digital Thermostat Regulator Switch Module Waterproof Sensor -58℉ to 230℉

  • 【Celsius & Fahrenheit Display】Programmable mini digital temperature control unit with -50℃ to 110℃ (-58℉ to 230℉) measuring range.
  • Thermostat regulator switch module has dual LED display the set temperature and current temperature, with waterproof NTC (10K 0.5%) temperature sensor probe, on-board tactile push button set the trigger temperature and alarming temperature.
  • 12V 1CH relay control the power on/off when the ambient temperature reach the set value, low power sumption <.
  • Easy installing and setting in 30 minutes, splotting size 46 X 26.5mm/1.81 X 1.04inch (L*W).
  • Power Supply: DC12V 200mA, Module Size: 48 X 29 X 32mm/1.89 X 1.14 X 1.26inch (L*W*H).
  • Cable Length: 30cm/12inch, Probe: 2cm/0.8inch.
  • Widely used at smart home, industrial control, automatic irrigation, indoor ventilation and protection equipment. Such as temperature control of production workshop, car or automobile, hatching aquaculture, tobacco industry, printing house, aquarium, fish tank, heater, cooling equipment, bedroom and so forth.
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Fast Recovery Diode Module Full Crimped Structure MBRP400200CT 200A 25V -55~150℃ Rectifier Diode Module

  • FULL CRIMPED STRUCTURE: The diode module has full crimped structure with excellent temperature characteristics and power cycling capability.
  • AIR-COOLED AND WATER COOLING: The full crimped recovery diode block below 200A are forced air-cooled, modules above 300A are selected for air-cooled and water cooling.
  • STABLE PERFORMANCE: High quality of the diode recovery module can provide stable performance. Simple installation, easy to use and maintain.
  • AC 2500V: The recovery diode module is easy to use, the chip is electrically insulated from the backplane, 2500V AC voltage.
  • SPECIFICATION: ​Forward Average Current IF (AV): 200A.
  • One-cycle Forward Non-repetitive Surge Voltage IFSM: 25V.
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DC 12V Electronic Temperature Controller Programmable -50 to 110 Degree Celsius Heating/ Cooling Thermostat Control Switch Module NTC Waterproof Sensor Probe Dual Color LED Display Monitor 2 Pieces

  • What will receive: you will get 2 pieces of DC 12V 200 mA temperature controllers, the measurement temperature is from -50 to 110℃(-58 to 230℉),....
  • Dual color LED display: this digital thermostat control module of dual color LED display, which show the measured temperature (red) and set....
  • Waterproof design: the NTC (10K 0.5%) probe is waterproof, and you can control the temperature at will, can also control heating or cooling according....
  • Reliable to use: the electronic temperature control switch module has been tested for consistency and reliability, and its control accuracy is 0.1....
  • Wide application: the electronic thermostat can be widely applied in intelligent home and industrial equipment, suitable for household appliances,....
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MEGA 2560 Starter Kit Ultra (100% Arduino IDE Compatible) w/ Battery Holder, Sensors, Modules, Resistor kit and Components (no Supply)

  • ...h Buttons with multicolored caps -Joystick Module type PS2.
  • -RC-522 RFID Module with white RFID Card and RFID Keychain -High-precision RTC Real-Time Clock Module DS3231 and EEPROM AT24C32 -PIR Presence Sensor HC-SR501 -Distance measurement module HCSR04 -Sound sensor detector module with programmable threshold -LM35 temperature sensor -Tilt detector module -Servo SG90 motor -Stepper motor (5V) -Motor driver module for stepper motor ULN2003.
  • 5V Active Buzzer -5V Passive Buzzer -LCD 1602 16 characters * 2 lines -LED Display Driver MAX7219 -LED Matrix Display of 8*8 -7 Segments Display 1 digit -7 Segments Display 4 digits -Simple Relay Module - Infrared Remote Control 38kHz - 38kHz Infrared decoder receiver (type 1838) - Infrared phototransistor (Flame sensor) - Infrared LED - Light sensor (Photoresistor).
  • -10 * LEDs 5mm Diffused RED -10 * LEDs 5mm Diffused GREEN -10 * LEDs 5mm Diffused YELLOW -5 * LEDs 5mm Ultrabright WHITE diffused -3 * LEDs 5mm Red / Green / Blue Diffused RGB -Shift Register (Series to Parallel IC) 74HC595 - NPN Transistor BC547 - PNP Transistor BC557 - Adjustable Knob Resistor 1kOhm (Potentiometer) - Adjustable Knob Resistor 10kOhm (Potentiometer).
  • - Resistor Pack 1/4W 1% accuracy, with 10pz of each value: 100, 220, 330, 470, 1K, 2K2, 4....
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HoTech 2' & 1.25' SCA Laser Collimator for Newtonian Telescope - Crosshair Model # SCA-2C

  • Retain only one optimal gear position brightness.
  • Standard hex wrench to self-calibrate coaxial problem.
  • The spot shape is a dot not a grainy elliptical point.
  • The module adopts high-end spherical module, high sensitivity and easy adjustment.
  • Adopts 3-piece glued optical glass lens for stable spotting better focusing effect and less halo.
  • Make the spot shape is a dot instead of a grainy elliptical point.
  • External effects of the product during transportation and use may cause off-axis problems.
  • You can calibrate the coaxial problem yourself by giving away the standard hexagonal wrench.
  • CNC precision lathe machining of the laser unit has a front opening from which the laser beam can be emitted.
  • Resistance to sudden changes in temperature difference.
  • The sudden temperature difference does not change the spot size.
  • It is resistant to extreme cold weather and can be used under extremely cold weather of minus -30 degrees Celsius without affecting the use effect.
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CDM324 Microwave Module, 24GHz 15m Doppler Radar Smart Microwave Body Induction Module Single Channel Switch Intelligent Sensor Module

  • ...his is a microwave sensor module for detecting moving objects and human body. Widely used in human body sensing lighting system, anti-theft alarm system..
  • 【Parameter】 Advanced low consumption PHEMT oscillator, Provide various frequency range standards: -UK,-F,Operating Temperature:-20~60℃..
  • 【Independence】Independent transmitting and receiving route, can get the big gain. The module has many advantages such as high sensitivity, long sensing distance, wide sensing angle, high reliability, wide range of operating voltage..
  • 【High performance】 Single channel operation. High sensibility, high flexibility, low cost, operating distance is 15m. Not influenced by temperature, humidity, noise, air flow, dust, ray etc, adaptive to terrible environment.
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Major Brands 8085A Microprocessor Unit, CISC, 8-Bit, HMOS, 3MHz, 40-Pin, CDIP, 15.37 mm W x 4.95 mm H x 52.96 mm L (Pack of 2)

  • AITIAO RTC clock module temperature range: -40 ° C to +85 ° C,the precision of digital temperature sensor is ±3°C.
  • the timing accuracy kept at ± 5ppm (± 0.432 sec / day).
  • AITIAO DS3231 High Precision RTC Clock Memory Module are CONVENIENT TO USE,because itself can be adapted to 3.3 V and 5 V system, no level conversion, it is super convenient.
  • Complete clock calendar functions include seconds, minutes, hours, day, date, month and year timing, provide valid until the year 2100 leap year.
  • Package Includes: 4Pcs DS3231 High Precision RTC Real Time Clock Module (battery are included).
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