Complete 5V USB mini humidifier atomization kit featuring a 108kHz ultrasonic driver board and microporous piezoelectric mist plate. Ideal for DIY humidifiers, terrariums, and smart Arduino climate control!
High-quality 25cm stainless steel street light poles in Bent (Gooseneck) and Straight designs with pre-wired LEDs. Ideal for STEM science fair projects, architectural models, and Arduino smart lighting prototypes!
Easy-to-assemble 3V-5V MDS-60 metal detector sensor module kit. Features integrated PCB search coil, onboard buzzer, LED indicator, and adjustable sensitivity (up to 60mm range). Perfect for STEM science projects and Arduino automation!
Premium dual USB 3.7V to 5V step-up booster and charger module featuring an integrated LCD screen. Offers precise percentage reporting and dual 1A/2A outputs for smart DIY power banks.