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Specification Input voltage range: 5~24V; Output voltage range: 0.93V~18V Features DC-DC adjustable step-down module Application Various electronic products or DIY projects English Manual/Spec Yes Other Input voltage range: 5~24V; Output voltage range: 0.93~18V (buck mode, enter at least greater than the output 2V above); Output current: 2.5A; Output peak 4A continuous output; Switch: With soft-off feature; Shutdown current low microampere level; Size: 45mm x 32mm x 16mm; Technical description: Measured efficiency: 12V converts to 5V: 12V converts to 5V efficiency = (5V x 1.001A) / (12V x 0.431) = 96.7%; 18V converts to 12V: 18V to 12V Efficiency = (12.019V x 1.001A) / (18.01V x 0.679) = 98.38% -
DHT11 digital temperature and humidity sensor is a composite Sensor contains a calibrated digital signal output of the temperature and humidity. Application of a dedicated digital modules collection technology and the temperature and humidity sensing technology, to ensure that the product has high reliability and excellent long-term stability. The sensor includes a resistive sense of wet components and an NTC temperature measurement devices, and connected with a high-performance 8-bit microcontroller.
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This module integrates DHT11 sensor and other required components on a small PCB. The DHT11 sensor includes a resistive-type humidity measurement component, an NTC temperature measurement component and a high-performance 8-bit micro controller inside, and provides calibrated digital signal output. It has high reliability and excellent long-term stability, thanks to the exclusive digital signal acquisition technique and temperature & humidity sensing technology.
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1. Feature & Application: * Full range temperature compensated * Relative humidity and temperature measurement * Calibrated digital signal *Outstanding long-term stability *Extra components not needed * Long transmission distance * Low power consumption *4 pins packaged and fully interchangeable 2. Description: DHT22 output calibrated digital signal. It utilizes exclusive digital-signal-collecting-technique and humidity sensing technology, assuring its reliability and stability.Its sensing elements is connected with 8-bit single-chip computer. Every sensor of this model is temperature compensated and calibrated in accurate calibration chamber and the calibration-coefficient is saved in type of program in OTP memory, when the sensor is detecting, it will cite coefficient from memory. Small size & low consumption & long transmission distance(20m) enable DHT22 to be suited in all kinds of harsh application occasions.