Hi,
I intend to use LM2917 to read RPM of motorbike on an MCU by reading analog voltage by following circuit.
I want to remove the meter from this reference diagram and read the RPM on any MCU by reading analog voltage. From which pin to get that analog voltage.
Hi Basit,
I want to remove the meter from this reference diagram and read the RPM on any MCU by reading analog voltage. From which pin to get that analog voltage.
If you remove the amp meter and short the connection, you can connect a wire above 500 Calibration resistor, where Vout is going to be proportional to input frequency. Please verify it with DMM and connect it to your MCU's ADC input.
Enclosed is the application note link. If you have other questions, please let me know.
https://www.ti.com/lit/an/snaa088/snaa088.pdf?ts=1713201482058
Best,
Raymond
