LR44 Alkaline 1.5V Button Coin Cell Battery 80mA the coil DC resistance is

the coil DC resistance is 30 ohms

Because of the uniformity of the insulation layer surrounding the conductor and the very low dielectric constant of PTFE

The SMPS has high efficiency up to 85%

Straw Hat LEDs come in a range of colours and have a similar brightness as normal 5mm LEDs

and a reset button

LR44 Alkaline 1.5V Button Coin Cell Battery 80mA the coil DC resistance isLR44 1. 5V Alkaline Coin Battery is the most commonly used coin battery that provides long lasting and reliable power for various devices. They are used to power small electronic devices such as a calculator, Wrist Watches, remote controls, Various medical Devices, fitness Gadgets, car keys, toys, etc. Specification Model LR44 Output Voltage 1. 5V Technology Alkaline Operating Temperature 30 C to 60 C Capacity (mAh) 150 Diameter 11. 6 0. 2 (mm) Height