Книга: Advanced PIC Microcontroller Projects in C

PROJECT 9.1 — Temperature Sensor CAN Bus Project

The following is a simple two-node CAN bus–based project. The block diagram of the project is shown in Figure 9.15. The system is made up of two CAN nodes. One node (called DISPLAY node) requests the temperature every second and displays it on an LCD. This process is repeated continuously. The other node (called COLLECTOR node) reads the temperature from an external semiconductor temperature sensor.

Figure 9.15: Block diagram of the project

The project’s circuit diagram is given in Figure 9.16. Two CAN nodes are connected together using a two-meter twisted pair cable, terminated with a 120-ohm resistor at each end.

Figure 9.16: Circuit diagram of the project

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