INTERFACE 433MHZ

433MHz Interface Design of a low-cost circuit with the following specifications.
5 negative digital inputs and 5 negative outputs, an input regulator supporting up to 36V, and a 433MHz receiver for remote control.
The circuit should include a hardware watchdog to reset in case of a system crash and must store up to 10 remote controls at 433MHz.
Inputs should be protected against positive voltages of up to 700V.
Additionally, a schematic and PCB layout are required.
All circuit development should be completed using the EasyEDA platform, where I will create the project and add your user account as a collaborator.
Components.
STM32 or PIC microcontrollers can be used.
Firmware.
Read digital inputs enabled by activating the alarm through the remote control.
Output 1 will be activated when the alarm is enabled through the remote control.
Output 2 will be triggered when input 1 is activated.
Output 3 will be triggered when input 2 is activated.
Output 4 will be activated when button 2 on the remote control is pressed.
If the alarm remains disabled for more than 3 hours, it will automatically reactivate.
The controls must be stored in the microcontroller’s EEPROM.
Layout PCB Eletrônica Engenharia Elétrica Microcontrolador Design de Circuito ID do Projeto.
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