Koa Choi

Buy 5pcs Thermal Sensor Module Temperature Switch Thermistor Sensor Board For Arduino Uses:   Temperature detection, temperature control sensors , ambient temperature detection   Features:   1. Using the NTC thermistor sensor, good sensitivity 2. The comparator output signal is clean, good waveform, driving ability, more than 15mA. 3. Adjust the temperature distribution position detection threshold 4. The working voltage 3.3V-5V 5. The output format: digital switching outputs ( 0 and 1 ) 6. Fixed bolt holes for easy installation 7. Small PCB board size: 3.2cm x 1.4cm 8. Using a wide voltage LM393 comparator   Module for use:   1. The thermal resistance of the module is very sensitive to the ambient temperature, typically for detecting the temperature of the surrounding environment ; 2. Through the potentiometer adjustment, you can change the temperature detection threshold ( ie, control temperature ), such as the need to control the ambient temperature is 50 degrees, the module in

Buy 10pcs Thermal Sensor Module Temperature Switch Thermistor Sensor Board For Arduino Uses:   Temperature detection, temperature control sensors , ambient temperature detection   Features:   1. Using the NTC thermistor sensor, good sensitivity 2. The comparator output signal is clean, good waveform, driving ability, more than 15mA. 3. Adjust the temperature distribution position detection threshold 4. The working voltage 3.3V-5V 5. The output format: digital switching outputs ( 0 and 1 ) 6. Fixed bolt holes for easy installation 7. Small PCB board size: 3.2cm x 1.4cm 8. Using a wide voltage LM393 comparator   Module for use:   1. The thermal resistance of the module is very sensitive to the ambient temperature, typically for detecting the temperature of the surrounding environment ; 2. Through the potentiometer adjustment, you can change the temperature detection threshold ( ie, control temperature ), such as the need to control the ambient temperature is 50 degrees, the module i

Buy 3pcs 15W Constant Current Voltage Module 8-32V to 2-30V Step Down Converter LED Motor Controller Power Supply Feature: Input voltage: DC 8-32V, output voltage: DC 2-30V adjustable Constant current voltage: adjustable from 0.2-2.5A Maximum output current: 2.5A (maximum power can not exceed 15W) Quiescent current: 2.1mA Protection: Over temperature protection Low voltage protection Short circuit protection Working temperature: -40~+85 degrees Celsius Module size : 33mm x 33mm x 14mm Tail size: 40mm x 40mm x 20mm Module weight: 9g each Shell weight: 10g  each Package includes: 3 x 15W Constant Current Voltage Module 3pcs 15W Constant Current Voltage Module 8-32V to 2-30V Step Down Converter LED Motor Controller Power Supply Buy Now

Buy 5pcs Digital Barometric 40KPa Pressure Sensor Module Liquid Water Level Controller Board Features:   This module adopts high precision AD sampling chip and 0-40KPa air pressure sensor.  It can connect 2.5mm soft tube and detect the water level and other air pressure. Adopting 5K OHM resistor bridge sensor, it has a compact size and easy to install. Barometric Pressure Sensor Module only, other accessories demo in the picture is not included!   Specification:   Voltage: 3.3-5V Pressure: 0-40KPa Dimensions: 18x13mm/0.71x0.51inch(2mm fixing hole) Color: Red   Package includes:   5 x Barometric Pressure Sensor Module 5pcs Digital Barometric 40KPa Pressure Sensor Module Liquid Water Level Controller Board Buy Now

Buy 3pcs Digital Barometric 40KPa Pressure Sensor Module Liquid Water Level Controller Board Features:   This module adopts high precision AD sampling chip and 0-40KPa air pressure sensor.  It can connect 2.5mm soft tube and detect the water level and other air pressure. Adopting 5K OHM resistor bridge sensor, it has a compact size and easy to install. Barometric Pressure Sensor Module only, other accessories demo in the picture is not included!   Specification:   Voltage: 3.3-5V Pressure: 0-40KPa Dimensions: 18x13mm/0.71x0.51inch(2mm fixing hole) Color: Red   Package includes:   3 x Barometric Pressure Sensor Module 3pcs Digital Barometric 40KPa Pressure Sensor Module Liquid Water Level Controller Board Buy Now