The two of us continued to develop our ideas into something that could physically work.
Yael
I created the hats(!!!) for the little desk friends. These hats have a small fsr inside them that will be used to detect touch. I attached the fsr to the top of the bottle cap and then covered the constructed hat and fsr with fabric. I carefully navigated the tail of the fsr down along the side of the hat, giving it the appearance of an elegant detail when worn by the desk friends.
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Kanvi
Yael dropped off the hats and friends with me, so I got to wire up the sensors and test them out!
With the following code, I have the sensor outputting an analog value dependent on how much force is placed on the friend’s head.
# Circuit Playground AnalogIn # Reads the analog voltage level from FSR connected to GND, 3.3V, and pin A2 # and prints the results to the serial console. import time import board import analogio analogin = analogio.AnalogIn(board.A2) def getVoltage(pin): # helper return (pin.value * 3.3) / 1023 while True: print("Analog Voltage: %f" % getVoltage(analogin)) time.sleep(0.2)
During class today, we plan to set up our servos permanently and then make them react to different values, using the functions I wrote last class.
Here’s a video of me patting one of the hats and the analog reads coming in on my computer in the background:
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