/challenges-projects/project14/test-instrumentation/b/blog/posts/frequency-counter-square-sine-or-tri-angularArduino or any other controller need TTL signal levels at input to count pulses and only work with square wave. So what if we want to find out the frequency of sine ,triangular or low voltage square wave? We can solve this problem with the he...en-USTelligent Community 12https://community.element14.com/challenges-projects/project14/test-instrumentation/b/blog/posts/frequency-counter-square-sine-or-tri-angularWed, 03 Oct 2018 19:53:23 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:07162fb9-a971-47d0-8442-300f423b0494DAB1<p>Nice start.</p><p>&nbsp;</p><p>I will be looking forward to see your design evolve.</p><p>&nbsp;</p><p>DAB</p><img src="https://community.element14.com/aggbug?PostID=5646&AppID=215&AppType=Weblog&ContentType=0" width="1" height="1">