W1209 Digital Temperature Controller Thermostat Module The W1209 digital temperature controller thermostat module is a small, standalone device that allows you to control the temperature of a system or process using a digital interface. It typically includes a temperature sensor, a control algorithm, and an output mechanism to control the temperature. The W1209 module may have inputs for setting the temperature setpoint and control parameters, as well as outputs for controlling devices such as heating elements or cooling fans. It may also have a display for showing the current temperature, setpoint, and other information. The module is designed to be easily integrated into a larger system or device How simple would it be for your fan to turn on/off automatically when the temperature rises or falls? Setting a trigger temperature to determine when the fan should turn on or off is all that is required. Utilizing the extremely functional W1209 thermostat, which can assist you in creating such simple yet fantastic home automation! Also, read our blog W1209 Temperature Controller Setting detailing the variety of W1209 Setting Modes. Pin Diagram of W1209: With this W1209 Digital thermostat controller , you can intelligently control power to most types of electrical devices based on the temperature sensed by the included high-accuracy NTC temperature sensor. Temperature sensors, keys, 7 segment LED display, relays, and a DC 12V power supply are all features of the W1209 thermostat controller. It is a cost-effective thermostat controller of high quality. It requires W1209 case  to protect the thermostat controller from any damage,  Thermostats are tools that monitor a system's temperature to keep it at or close to the desired set point. The module's NTC temperature sensor enables intelligent temperature-based control of a variety of electrical components. The resistance of an NTC thermistor lowers as temperature rises because of its negative temperature coefficient. Because the W1209 thermostat has an embedded microcontroller built-in, little programming experience is needed. The W1209 has three switches that can be used to set up the different parameters, such as the ON and OFF trigger temperatures. The relay can be turned on at voltages as high as 240V AC at 5A or 14V DC at 10A. The state is displayed with the aid of the LED on the W1209 thermostat, and the temperature is displayed in degrees Celsius with the aid of a 7-segment display and a relay. Displaying the current temperature: The Thermostat will display the current temperature in °C by default. When in any other mode making no input for approximately 5 seconds will cause the thermostat to return to this default display. Setting the trigger temperature: To set the trick to a temperature press the button marked 'SET'. The seven-segment display will flash. You can now set a trigger temperature ( in °C) using the '+' and '-' buttons in 0.1° increments. If no buttons are pressed for approximately 2 seconds the trigger temperature will be stored and the display will return to the current temperature. Setting the parameters for the W1209 Digital Temperature Controller Thermostat Module : To set any parameter, first long press the 'SET' button for at least 5 seconds. The seven-segment display should now display 'P0'. This represents parameter P0. Pressing the '+' or '-' buttons will cycle through the various parameters ( P0 to P6). Pressing the 'SET' button whilst any of these parameters are displayed will allow you to change the value for that parameter using the '+' and '-' buttons. When finished setting a parameter press the set button to exit that option. If no buttons are pressed for approximately 5 seconds that thermostat will exit the perimeter options and will return to the default temperature display. Heating Parameter P0: P0 has two settings, C and H. As the relay energizes when the temperature is reached, the default setting C can be utilized to connect to an air conditioner. When the required temperature is found, setting H results in de energizing the relay. Any heating apparatus can be controlled by it. Hysteresis Parameter P1: The temperature range that must alter before a relay will change status is determined by this parameter. Parameter P2 (Upper Limit Temperature): P2 limits the maximum trigger temperature that can be set. It serves as a safety feature that prevents the user from setting a trigger temperature that is too high. Parameter P3 (Lower Limit Temperature): P3 limits the minimum trigger temperature that can be set. As a safety measure, it prevents the user from setting a low triggering temperature. Offset Correction Parameter P4: If there is a discrepancy between the displayed temperature and the actual temperature measurement using this parameter, changes can be made. Delay Parameter P5: The delay parameter P5 can be used to control how long the relay switches after the trigger temperature has been attained. It can be set for up to ten minutes at a time, in one-minute intervals. Alarm Parameter P6: When the temperature exceeds the specified level, this parameter causes the relay to shut off. As a warning, the display will flash "---" when an alarm condition exists. When the temperature reaches this point, the relay will not re-energize. Settings Chart: Long press the “SET” button to activate the menu. Code Description Range Default Value P0 Heat C/H C P1 Backlash Set 0.1-15 ( 2) P2 Upper Limit 110 ( 110) P3 Lower Limit -39 ( -39) P4 Correction -7.0 ~( 0 ) P5 Delay Start Time 0-10 mins( 0) P6 High-Temperature Alarm 0-110 (OFF) Long pressing +- will reset all values to their default.

Water Flow Sensor - YF-B6 Flowmeter G3/4 1-30L/min 5-15V Brass Water Flow Sensor (Sea) YF-B6 is the perfect solution for industrial monitoring and water management systems. It is made with brass and plastic materials, measuring 60X OD26mm and featuring a G3/4 thread connection. The sensor includes a Hall effect sensor and digital output, ensuring accurate monitoring of flow rates. Its durable design makes it suitable for a wide range of conditions, perfect for industrial and commercial applications. Water Flow Sensor (Sea) YF-B6 is easy to install and maintain with its compact design. Perfect for engineers, technicians, and hobbyists. Water Flow Sensor (Sea) YF-B6 ensures the highest quality and durability. wire connection : Terminal 1  ( Red) : Vdd  ” + ” Terminal 2 (Black) Vout   ” – ” Terminal 3 ( Yellow )  Gnd : output (13) Connector :  Housing SM2.54-3P Package Includes:  1 x Water Flow Sensor - YF-B6 Flowmeter G3/4 1-30L/min 5-15V Brass Specifications: Material Brass Plastic Flow Sensor Sensor Hall effect sensor, Digital Output Size 60X OD26mm Thread Connection G3/4 Mounting Position Horizontal & Vertical Color Brass golden Flow Rate 1~30 L/min Flow Pulse F= 6.6 *Q ± 5%, Q=L/min Working Voltage DC4.5V ~ 24V Working Current 15mA Suffering Pressure Max 1.5Mpa Working Temperature -40 °C ~+80 °C Min Insulation Resistance 100M Ohm

Waterproof Ultrasonic Sensor This Waterproof ultrasonic sensor is very similar to the Ultrasonic sensor which is found in cars. This Waterproof Ultrasonic Obstacle Sensor shows some important constructional advantages over the conventional sensors. It comes in two separate parts one being the transducer which is the sensing element and the other being the control board. The module is capable of providing information on the objects between the distance range of 250 mm to 4500 mm. The great advantage of using this Waterproof Ultrasonic sensor is you can put the sensing element far away from all the control circuitry. This Ultrasonic Distance Sensor is an industrial-grade sensor to measure distance. Interfacing with it is the same as another cheap ultrasonic sensor, but it offers better performance and is compatible with harsher environments and is waterproof too. There are many ultrasonic distance sensors on the market, but sometimes, this kind of sensor needs to work in vulnerable conditions.  It is very easy to use, a control port with a 10US above high level can wait for high-level output at the receiving port. An output can drive the timer when this port is low can read the timer value, this time for the location of the time can be distance measurement. Constantly cycle tests that can achieve the measurement of the value of your mobile. It allow us to measure the distance between stationary objects such as walls, floors or ceilings with unparalleled accuracy. These advanced technology-packed devices detect changes in humidity levels, temperature fluctuations and other environmental conditions that could compromise safety of our valuables stored inside buildings we own or manage.  The environmentally sealed waterproof bodies provide protection against dust particles while allowing full access to settings at all times making it very easy for anyone to use them even without technical knowhow. Iotcart's range of waterproof ultrasonic sensors guarantees high precision performance both indoors and outdoors regardless of how wet your environment gets - be it rainwater flooding waters from rivers or oceans! Wiring of the Waterproof Ultrasonic Sensor +5V(positive) Trig(control) Echo(receive) GND(negative)

Witty Fox - OPT3001 Digital Ambient Light Sensor OPT3001 Digital Ambient Light Sensor is a single-chip lux meter that measures the intensity of light as visible by the human eye. Measurements can be made from 0.01 lux up to 83k lux without manually selecting full-scale ranges by using the built-in, full-scale setting feature. This capability allows light measurement over a 23-bit effective dynamic range. The OPT3001 is a sensor that measures the intensity of visible light. The spectral response of the sensor tightly matches the photopic response of the human eye and includes significant infrared rejection. The precision spectral response and strong IR rejection of the device enable the OPT3001 Light Sensor to accurately meter the intensity of light as seen by the human eye regardless of the light source. The strong IR rejection also aids in maintaining high accuracy when the industrial design calls for mounting the sensor under dark glass for aesthetics. The OPT3001 is designed for systems that create light-based experiences for humans and is an ideal preferred replacement for photodiodes, photoresistors, or other ambient light sensors with less human eye matching and IR rejection. Check out the entire range of Witty Fox Products at Iotcart. Applications: Display Backlight Controls Lighting Control Systems Tablet and Notebook Computers Thermostats and Home Automation Appliances Point-of-Sale Terminals Outdoor Traffic and Street Lights Cameras Package Includes: 1 x Witty Fox - OPT3001 Digital Ambient Light Sensor Specifications: Brand  Witty Fox Measurements 0.01 lux to 83 k lux Operating Temperature Range –40°C to +85°C Dimensions  3 x 2 x 1cms  Weight  5 grams

Witty Fox - SI7021 Humidity Temperature Sensor Breakout Board Witty Fox Si7021 humidity temperature sensor offers better accuracy and a wider range for temperature and humidity readings, as compared to DHT11 and DHT22. It also comes in a significantly smaller r size as compared to the former 2 sensors. The Si7021 has ±0.4 °C temperature accuracy at a range of -10 to +85 °C± and 3% relative humidity measurements with a range of 0–80% RH. This sensor is perfect for environmental monitoring projects and uses the I2C interface for data transfer which makes it compatible with the majority of available microcontrollers. The Si7021 temperature and humidity sensor offer 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. e. It can be used as hardware and software-compatible drop-in upgrades for existing RH/ temperature sensors. Check out the entire range of Witty Fox Products on robocraze. Video Tutorial of Witty Fox - SI7021 Sensor: Wireless Data logging humidity-temperature readings with Witty Fox Si7021 & ESP32 Applications: HVAC/R  Thermostats/humidistats  Respiratory therapy Indoor weather stations Micro-environments/data centers Automotive climate control and defogging Asset and goods tracking Mobile phones and tablets Package Includes: 1 x Witty Fox Si7021 Sensors Specifications: Humidity Sensor ± 3% RH (max), 0–80% RH Temperature Sensor ±0.4 °C (max), –10 to 85 °C Operating Range  0 to 100% RH Operating Voltage  1.9 to 3.6 V Dimensions  3 x 2 x 1cms Weight  5 grams

XD-621 Induction Touch Switch The Induction touch switch is an isolated touch sensor switch, applicable to all types of lamps on the medium (such as glass, acrylic, plastic, ceramic, etc.), such as energy-saving lamps, H tubes, LED lamps, and various household appliances. It has an on-chip active low noise PGA with selectable gain of 3264 and 128. The on-chip power supply regulator for load-cell and ADC analog power supply. On-chip active low noise PGA with selectable gain of 3264 and 128. On-chip power supply regulator for load-cell and ADC analog power supply. Installation process: Note: Before installation, please turn off the main power. Set a touchpoint in the mirror, the diameter of the contact point should be 9-10mm, first of all, must remove the mercury from the mirror around the point of contact, the size for the removable mercury should be 1.5-2mm; Make a grid in the middle of the touchpoint, there are three lines of the arrow on the cover of the switch, when installed, the three lines of the arrow should align with any of the three lines of the lattice and can touch to control whether after aligning the direction, now remove the paster from the touch plate, and then can install the touch switch on the mirror, after that, you can correct it using other things to avoid falling. Applications: Household appliances Energy-saving lamp LED lamps Package Includes: 1 x Induction Touch Switch Kit Specifications: Model XD-621 Color White + black Material PVC + iron Power Range AC 170~240V (White) / 6~12V (black) Max. Voltage 240 V Max Current 7A A Operating Temperature 10~40 ̊ C Dimensions  11 x 5 x 3cms Weight  100 grams

XH-W1219 12V Digital Temperature Controller The XH-W1219 12V digital temperature controller is a device that allows you to control the temperature of a system or process using a digital interface. It typically includes a temperature sensor, a control algorithm, and an output mechanism to control the temperature. The XH-W1219 is a 12V version, meaning that it operates at a voltage of 12V DC. It may have inputs for setting the temperature setpoint and control parameters, as well as outputs for controlling devices such as heating elements or cooling fans. The controller may also have a display for showing the current temperature, setpoint, and other information. It may be used in a wide range of applications including HVAC systems, incubators, ovens, and other temperature-controlled environments. The XH-W1219 module is basically the same as the popular W-1209 module except it has a 2nd display added to always show the current trigger point along with the current temperature.   When programming the parameters in the module, the dual displays make it a little easier see what you are doing since the top display shows the parameter selected while the bottom display shows the value you are setting.  This module is slightly larger than the W-1209 and so will not fit in the acrylic case designed for that module. A built in STM8S uC allows you to configure the module using the display and 3 pushbuttons.  All settings are saved into non-volatile memory and are preserved during a power cycle. The temperature is sensed by a high accuracy waterproof NTC 10K Thermistor that has a range of -30°C to 110°C (-22°F to 230°F) .  The sensor cable is about 13″ long, but it is possible to splice wire to lengthen the cable if needed. The relay is rated for up to 120VAC @ 10A and 14VDC @ 10A.  When the relay is energized an LED is lit.    It is also possible to use the relay on this module to switch higher power relays if you want to control a lot of power. Note: This board is Nuvoton based. Button Parameters: P0 = (Heat / Cool) sets whether the relay is energized or de-energized when trigger temperature is reached. P1 = (Hysteresis) sets the difference in degrees between the Trigger temp and when the relay changes state P2 = (Max Temp) sets the maximum Trigger temp that can be set P3 = (Min Temp) sets the minimum Trigger temp that can be set P4 = (Temp Correction) sets an offset to use for the displayed value P5 = (Delay) sets a time delay between when the Trigger temp is reached and when the relay is switched P6 = (Alarm) sets a high temperature ‘alarm’ trip point Package Includes: 1 x XH-W1219 12V Digital Temperature Controller with NTC Waterproof Temperature Sensor Specifications: Model XH-W1219 Control Range(°C) -50 to +110 Measuring Input NTC10K Sensor High-Temperature Alarm(°C) -49 to +110 Output Type Relay Output 10A (max) Dimensions  5 x 4 x 3cms Weight  15 grams

XH-W3001 24V 240W Digital Thermostat Switch This is XH-W3001 DC 24V 240W Digital Temperature Controller Microcomputer Thermostat Switch. A temperature measurement and Controller with high accuracy and precision at a very low cost. The Digital Thermostat switch offers a high-temperature control precision of 0.1℃. The temperature control range from -50℃ to 110℃. The LED Display shows the results clearly. One can directly install or embed the XH-W3001 in the industrial control equipment panel, which is convenient and quick. It features a 1M probe made up of stainless steel material which makes it waterproof and does not let it rust easily. Also, all the delicate and sensitive components are kept safe in ABS flame retardant housing which is avirulent and environmentally protective. Digital display LLL: If the digital tube displays LLL, the sensor is faulty. Please repair the sensor or replace the sensor. Digital display HHH: If the digital tube displays HHH, this is because the detected temperature is beyond the measurement range.  BUTTON FUNCTIONS OF THE XH-W3001 CONTROLLER: Press UP to show the start temperature button. On a Long press of the UP button, the display starts flashing, then press the UP or DOWN button Set the beginning of the temperature value Press Down the display button to stop the temperature. On the Long press of the Down button, the display starts flashing, then press the Up or Down button Set to stop the temperature value. PACKAGE INCLUDES:  1 x XH-W3001 DC 24V 240W Temperature Controller SPECIFICATIONS: DC Output DC 24V 240W Temperature Measuring Range 50~110°C Temperature Control Range 50~110°C Control Accuracy Up to 0.1℃ Dimensions  11 x 5 x 3cms  Weight  150 grams

XH-W3001 DC 12V 120W Digital Display LED Temperature Controller with Thermostat Control Switch Probe This is XH-W3001 DC 12V 120W Digital Temperature Controller Microcomputer Thermostat Switch. A temperature measurement and Controller tool with high accuracy and precision at a very low cost. It offers a high-temperature control precision of 0.1℃. The temperature control range from -50℃ to 110℃. The LED Display shows the results clearly. One can directly install or embed the XH-W3001 in the industrial control equipment panel, which is convenient and quick. This temperature controller features a 1M probe made up of stainless steel material which makes it waterproof and does not let it rust easily. Also, all the delicate and sensitive components are kept safe in ABS flame retardant housing which is avirulent and environmentally protective. Digital display LLL: If the digital tube displays LLL, the sensor is faulty. Please repair the sensor or replace the sensor. Digital display HHH: If the digital tube displays HHH, this is because the detected temperature is beyond the measurement range.  BUTTON FUNCTIONS OF THE XH-W3001 CONTROLLER: Press UP to show the start temperature button. On Long press of the UP button, the display starts flashing, then press the UP or DOWN button Set the beginning of the temperature value Press Down the display button to stop the temperature. On the Long press of the Down button, the display starts flashing, then press the Up or Down button Set to stop the temperature value. Applications: Hatching area Incubation Equipment case Air conditioning system Temperature control protection Cabinet cooling system Also check the XH-W3001 DC 24V 240W Digital Temperature Controller Microcomputer Thermostat Switch. It is a digital thermostat switch designed for heating control in refrigeration and is suitable for seafood machines. PACKAGE INCLUDES:  1 x XH-W3001 DC 12V 120W Temperature Controller SPECIFICATIONS: DC Output DC 12V 120W Temperature Measuring Range -50~110°C Temperature Control Range -50~110°C Control Accuracy Up to 0.1℃ Dimensions  11 x 5 x 3cms  Weight  150 grams

XH-W3001 Intelligent Led Digital Microcomputer Temperature Controller Mini Thermostat Switch with Water-Resistant Sensor Probe 10A (Max) Multipurpose Controller This is XH-W3001 AC 220V 1500W Digital Temperature Controller Microcomputer Thermostat Switch. A temperature measurement and Controller tool with high accuracy and precision at a very low cost. It offers a high-temperature control precision of 0.1℃. The temperature control range from -50℃ to 110℃. TheLED Display shows the results clearly. One can directly install or embed the XH-W3001 in industrial control equipment panel, convenient and quick. It features a 1M probe made up of stainless steel material which makes it waterproof and does not let it rust easily. Also, all the delicate and sensitive components are kept safe in ABS flame retardant housing which is avirulent and environmental protective. Digital display LLL: If the digital tube displays LLL, the sensor is faulty. Please repair the sensor or replace the sensor. Digital display HHH: If the digital tube displays HHH, this is because the detected temperature is beyond the measurement range.  Button functions of the XH-W3001 Controller: Press UP to show the start temperature button. On Long press of the UP button, the display starts flashing, then press the UP or DOWN button Set the beginning of the temperature value Press Down the display button to stop temperature. On the Long press of the Down button, the display starts flashing, then press the Up or Down button Set to stop the temperature value.  Also check the XK-W2001 Adjustable Temperature Controller Socket with 1M Probe and AU Plug available on Iotcart. The adjustable temperature controller socket features a clear digital display for better readability and has a wide temperature measuring range from -50℃ to 110℃. Package Includes:  1 x XH-W3001 Intelligent Led Digital Microcomputer Temperature Controller Mini Thermostat Switch with Water-Resistant Sensor Probe 10A (Max) Multipurpose Controller Specifications: AC Output AC 220V 1500W Temperature Measuring Range -50~110°C Temperature Control Range -50~110°C Control Accuracy Upto 0.1℃ Dimensions  6 x 5 x 3cms  Weight  150 grams