A collection of twelve individual digital illustrations, each rendered in a clean, hand-drawn, watercolor-like style on a transparent checkered background. The images depict various themes related to technology, energy, and the environment. This includes a traditional glowing light bulb with a visible filament, two different LED light bulbs (one with a frosted white top, one with a blue body and cooling fins), a modern square smart thermostat with a green leaf 'eco mode' display, a circular smart thermostat showing a temperature of "20" and a leaf symbol, a top-down view of a hydrogen energy storage system with nine green spherical tanks, a green horizontal hydrogen storage tank, a tall vertical hydrogen storage tank, the rear of a blue electric car being charged, a standalone electric vehicle charging station with glowing green power icons, and a large, breaking ocean wave. All illustrations feature lively watercolor splashes in shades of green, blue, and yellow as a vibrant backdrop, making them ideal for promoting smart home technology, energy efficiency, green energy campaigns, or as decorative elements for blogs and websites related to home automation, sustainable living, and technology.
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