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Visit store Items for sale About us Product Details Description: SHT20 Temperature Humidity Sensor RED—————————3.3V GREEN—————————SDA YELLOW—————————SCL BLUE—————————GND Feature: The SHT20 digital temperature and humidity sensor is based on digital sensing technology and offers high reliability and long-term stability. Full-scale calibration, two-wire digital interface, can be directly connected to the microcontroller, greatly reducing development time, simplifying peripheral circuits and reducing costs. In addition, it is small in size, quick in response, low in energy consumption, immersible, strong in anti-interference ability, integrated in temperature and humidity, combined with dew point measurement, and cost-effective, making the product suitable for a variety of applications. Technical Parameters: 1. Humidity measurement range: 0~100%RH. 2. humidity measurement accuracy: ± 3% RH 3.temperature measurement range: -40 ~ 125 ° C 4. temperature measurement accuracy: ± 0.3 ° C 5. working voltage: 2.1 ~ 3.6VDC (please note: do not use 5V power supply!!!) 6. I2C interface output Package Included: 1PC*SHT20 Digital Temperature and Humidity Sensor SHT2000 Temperature Humidity Sensor Setting method: Start value <stop value (program automatically determines working mode is heating/humidifying mode) Setting method: Start value > stop value (the program automatically determines the working mode is cooling/dehumidifying mode) Heating/cooling mode setting Setting mode: setting (starting temperature): Press and hold the ▲ button to start the temperature flashing. Use ▲▼ key to set the starting temperature value. Setting (stop temperature): Press and hold the ▼ button to stop the temperature flashing. Use ▲▼ to set the stop temperature value. Heating use case: control the water heater, heat to 65 ° C to stop, the temperature drops back to 50 ° C and start heating again The first step: heating mode, starting temperature <stop temperature Step 2: Press and hold the ▲ button to start the temperature flashing. Use ▲▼ to set the starting temperature to 50 °C. Step 3: Press and hold the ▼ button to stop the temperature flashing. Set the stop temperature to 65 °C with ▲▼ keys, and the setting is completed! Refrigeration use case: use in the farm, the fan is ventilated to 26 ° C to stop, the temperature is raised to 30 ° C and the ventilation is started again. The first step: cooling mode, starting temperature > stop temperature Step 2: Press and hold the ▲ button to start the temperature flashing. Use ▲▼ to set the starting temperature to 30 °C. The third step: long press the ▼ button to stop the temperature flashing, set the stop temperature to 26 °C by ▲▼, the setting is completed! Humidification/Dehumidification Mode Settings: Setting (start humidity): Press and hold △ key to start the humidity value flashing. Set the humidity value by △ ▽ key. Set [Stop Humidity]: Press and hold △ key to stop the humidity value flashing, and set the humidity to stop by △ ▽ key value. Humidification example: fresh supermarket humidification, control humidifier 50% RH began to humidify, humidified to 80% RH to stop humidification. Setup steps: Step 1: Press and hold the △ button for 3 seconds to start the humidity value flashing, and set the starting humidity value to 50% RH. Step 2: Press and hold the ▽ button for 3 seconds to stop the humidity value flashing. Set the value to 80% RH. After the setting is completed, the button will be operated for 5 seconds without returning to the normal display state. Dehumidification example: workshop control exhaust dehumidification system, humidity 70% RH starts dehumidification, humidity 40% RH stops dehumidification Setup steps: Step 1: Press and hold the △ button for 3 seconds to start the humidity value flashing, and set the starting humidity value to 40% RH. Step 2: Press and hold the ▽ button for 3 seconds to stop the humidity value flashing, set the value to 70% RH, the setting is completed, the button does not operate for 5 seconds, and automatically returns to the normal display state. DHT11 Temperature Humidity Sensor 100% brand new and high quality DHT11 sensor adopts The module can detect surrounding environment of the humidity and temperature High reliability and excellent long-term stability output form digital output has fixed bolt hole and easy installation Cables are free for you Specification: Humidity measurement range: 20%~90%RH Humidity measurement error: ±5%RH Temperature measurement range: 0~60℃ Temperature measurement error: ±2℃ Working voltage :5 V Size: 28x12x8mm Package Included: 1PC*For Arduino DHT11 Temperature and Relative Humidity Sensor Module Payment Method Shipping Policy Returns & Refund Policy Feedback Payment Method EBAY Managed Payment. But we only Accept your Ebay Address , please Make sure it's 100% right. Payment must be received in 5 business days of auction closing. Please leave note for your special request (e.g. Colors or Size) in PayPal when you pay the order. Any special request cannot be accepted after 24 hours of payment, because most of orders will be processed instantly and same day dispatched. Shipping Policy 1. We only ship to the confirmed address provided by eBay. please make sure your ebay address is 100% matches the address you would like us to ship to. If not, please let us know before we sent you the package, or we will not be responsible for any loss. hope you could understand. 2. Orders will be processed instantly and dispatched within 1-3 business days except hoilday, so we do NOT accept any email/message note after you place orders. 3. All package need to wait 30 days,Please take care it.Less than 30 days,we can't take a refund. Returns & Refund Policy All package need to wait 30 days (US only n eed 7-10 days) , Please take care it.Less than 30 days,we can't take a refund . If the item is defect when you receive it or you are not satisfied with it, please return it within 14 days for a replacement or money back. But the items must be back in factory condition. Please keep in touch with us and double check the return address before you return it. If is item is defective in 12 months, you can return it to us. We will send you a new replacement after receiving the defective item. Feedback We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important to us. We request that you keep in touch with us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns.