SparkFun Qwiic Ultrasonic Distance Sensor - HC-SR04

[gigapod]

Board

SparkFun Qwiic Ultrasonic Distance Sensor - HC-SR04

Notes

Driver

• For XBee/Digi

[sfe-SparkFro]

Don't have a proper Arduino library, just example sketches in the hardware repo. This example appears to have almost bare minimum code required for functionality (plus showing on an OLED display).

Looks like the STM8 on board is programmed with a default address of 0x00, which is likely going to cause problems because it's the general call address. I'm surprised we don't have complaints about that, that's pretty bad practice.

[sfe-SparkFro]

Ok, ended up making an actual Arduino library for this, then converted that to Python. Also, we'll be updating the firmware on the STM8 to use a default value of 0x2F moving forward. Users can change the address using example 2. @faludi Please let me know if you run into any issues with this!

[faludi]

Having trouble accessing the link above (https://github.com/sparkfun/Qwiic_Ultrasonic_Py). I get a 404 error. Is it a private repo?

[gigapod]

Not any more - now public

[sfe-SparkFro]

@malcolm-sparkfun Please test this one with a new and old version of the sensor (I gave you an old one, need to internal order a new one or grab one from Eli). The firmware on the new board is slightly different, and there were some changes to the Arduino library, so need to make sure the Python library works with both versions as well.

[malcolm-sparkfun]

Tested on old version of sensor, had to add 0x00 to list of allowable i2c addresses: commit.

Currently new version of sensor is out of stock, can test when back in stock later this week.