DC-DC Buck Converter 9-36V to 5V w/ Dual USB Output M3 20mm Hollow Hexagon Copper Cylinders (5Pcs Pack) This module is also very

This module is also very similar to the HM-10 module and is also compatible with it

These Touch-Tones have a specific frequency or sound that this module can decode

Product Sensor style Standout Soil Moisture Sensor Analog Digital soil moisture sensor with analog and digital output Current item Soil Moisture Sensor Immersion Gold soil moisture sensor general-purpose sensing Soil Moisture Sensor Corrosion Resistant soil moisture sensor general-purpose sensing Moisture Sensor Grove chemical sensor module general-purpose sensing What you can build

11 GPIO pins: SPI

DC-DC Buck Converter 9-36V to 5V w/ Dual USB Output M3 20mm Hollow Hexagon Copper Cylinders (5Pcs Pack) This module is also veryThis is a step down buck converter that is ideal for car chargers. It can have an input of up to 36V and create an output of 5V with 3A max. It also has a dual USB ports for the output. QUICK SPECS: Input Voltage: 9V to 36V DC Output Voltage: 5V DC Output Current: Up to 3A Number of USB Ports: 2 Efficiency: 90% Operating Temperature: 40C to 85C Dimensions: 50mm x 25mm x 15mm