Quote:
Originally Posted by teo
For everyone on franco I'm sorry for the bad translation where says london is LED when it touches the antenna is not deactivated if you reduce the gain R6 220kΩ will better good wishes
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Touching the antenna is an empirical test to check if the sensor stage amplifies correctly, but the real test is on the field with buried metals. The correct gain is just below the point where the compass effect occurs.