Why doesn’t the circuit for an HC-05 create a voltage divider for the Rx pin on the module?
Isn’t the Rx 3.3Vdc (HC-05) and the Uno digital pin (e.g. pin 11) at 5Vdc?
Why doesn’t the circuit for an HC-05 create a voltage divider for the Rx pin on the module?
Isn’t the Rx 3.3Vdc (HC-05) and the Uno digital pin (e.g. pin 11) at 5Vdc?