Build Your Own Frequency Counter with this 1Hz-50MHz DIY Kit This DIY Digital LED Frequency Counter Kit is perfect for electronics enthusiasts and hobbyists. Designed with a PIC microcontroller and five 7-segment LED displays, this kit allows you to measure frequencies from 1Hz to 50MHz with precision and ease. Whether you're testing passive crystals or measuring signal amplitudes, this kit offers a versatile and reliable solution. Key Features: Wide Frequency Range: Measures frequencies from 1Hz to 50MHz with five-digit resolution (e.g., x.xxxx kHz, x.xxxx MHz, xx.xxx MHz). High Signal Amplitude Tolerance: Supports measuring signal amplitudes up to 30V. Crystal Testing: Capable of testing 4-40m passive crystals with precision. Automatic Range Switching: Features gate time adjustments for seamless range switching. Frequency Offset Adjustment: Programmable addition or subtraction of frequency offsets for customized measurements. Low Component Design: Built with minimal components, including a PIC 16F628 microcontroller, 20MHz crystal, and resistors. Power-Saving Mode: Configurable mode automatically turns off the display after 15 seconds of inactivity to save energy. Flexible Power Options: Supports USB 5V or DC 5-12V power supplies for convenience. Package Includes: 1 x 1Hz-50MHz Digital LED Frequency Counter 1 x Durable Case 1 x Connection Cable Why Choose This Kit? This easy-to-assemble kit is ideal for DIY projects and electronic testing needs. Its compact design, high accuracy, and versatile features make it a valuable tool for electronics enthusiasts and professionals alike.