1-99HZ Square Wave Signal Simple Frequency Measuremeter Board DIY Electronics Kit

SKU: EELEYRDYS1837
Worldwide Free shipping
Delivery date: 7 days
$6.01
Availability: 30 in stock

1-99HZ Square Wave Signal Simple Frequency Measuremeter Board DIY Electronics Kit

Features:

- Combined with NE555, CD40110, CD4011 and surrounding components
- Could measure F-IN inpt 1-99Hz square wave signal
- Press S1 button, measure again
- Diagram: