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Adjustable Contrast: Simple potentiometer connection on the V0 pin allows fine-tuning of display contrast for optimal readability at any viewing angle
FHSS Technology: Automatic frequency hopping prevents signal loss and interference
pre-assembled discrete components like LEDs and resistors
Installation begins with selecting an appropriate mounting location with clear sky visibility above 15 degrees elevation angle in all directions
400KV Step Up Power Module 125KHz Waterproof ID Tags RFID ABS Coin with Hole - 40mm call management400KV Step Up Power Module This is a high voltage step up power supply module, which is commonly used in electronics experiments and demonstrations. The module can generate a voltage of up to 400KV from an input of 3 6V from a normal Li ion battery. The high voltage module uses the principle of the Tesla coil. Features: High Quality Silicone Wires at Input and Output Creates an Arc of 400KV Small in Size Easy to Use Package Includes: 1 x 400KV Step Up