Please let me know the board/display i need to buy to fulfil the following requirements
- I need a 7 inch display where i wish to show some buttons.
- Need PWM so that i can give variable voltage output (0V to 5 V output)
- I will also be using a piezo module, thermometer module and a variable resistor module.
- Cost effective
Please let me know the details so that i can purchase the same.