For an extra layer of protection, use this MCP103T-240E/LB microprocessor supervisory circuit from Microchip Technology to have another processor take control in case of an emergency. This device has a minimum operating supply voltage of 1 V and a maximum of 5.5 V. This part has an operating temperature range of -40 °C to 125 °C. It has a typical reset threshold voltage of 2.32 V, with a minimum of 2.285 V and a maximum of 2.355 V.
