Wind seed pulse trigger circuit

Here we present plans for building a simple and inexpensive windspeed indicator circuit using 2 diodes, some standard electrical components and a DC amplifier chip. . The 1733 Anemometer from Adafruit is a reasonably-priced, well-built wind-speed sensor. It features a built-in transducer that converts wind speed to an analog voltage output - external pulse counter not needed. The Anemometer sensor is a device used for measuring wind speed and direction. It is also a common weather station instrument. [pdf]