Features: Brand new Frequency range: 1 Hz~50 MHz Five digits resolution. Easy and intuitive. Measuring signal amplitude can be up to 30v. 4-40 m passive crystals can measure. Automatic range switching with different gate times. Optional addition or subtraction of a frequency offset (programmable). Very low component count: a PIC 16F628, 5 7-segment LED displays, a 20MHz crystal and a few resistors. Optional (configurable) power-saving mode which automatically turns. The display off if the frequency didn't change significantly within 15seconds. USB 5V or DC5-12V power supply can be used. Easy to install. Package included: 1 x frequency meter DIY kits 1 x USB cable
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