Difference between revisions of "Reading out onboard temperature sensors"
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$ cat /sys/bus/i2c/devices/1-0048/hwmon/hwmon2/temp1_input | $ cat /sys/bus/i2c/devices/1-0048/hwmon/hwmon2/temp1_input | ||
| − | To monitor the value continuously you can pre- | + | To monitor the value continuously you can pre-pend the commands above with <code>watch -d -n 0.1</code> |
Latest revision as of 17:31, 6 March 2023
| Availaible in upcoming release |
The Open.OC2 board contains two onboard temperature sensors (LM75BD) on i2c buses 0 and 1. Both sensors use i2c-address 0x48.
The first sensor (on i2c bus 0) is located near the ESP flash jumper (J9).
The second sensor (on i2c bus 0) is located between the connectors J15 and GPS2 on the Cube-side of the board.
The temperature sensors are implemented in the custom kernel and device tree for the board, so to read the temperatures:
$ cat /sys/bus/i2c/devices/0-0048/hwmon/hwmon1/temp1_input $ cat /sys/bus/i2c/devices/1-0048/hwmon/hwmon2/temp1_input
To monitor the value continuously you can pre-pend the commands above with watch -d -n 0.1