This robotic dispenser will tell you if you forget to take your pills

This robotic dispenser will tell you if you forget to take your pills

Arduino Team — May 23, 2023

Many types of medications (such as antidepressants like SSRIs) can have a very negative effect if not taken regularly. Even taking them a few hours late can affect a person's mood and cause physical discomfort. But remembering to take pills at the right time can be tricky - even setting an alarm isn't foolproof, as you can turn it off without taking a pill. That's why Mr. Bindhammer is building a 3D-printed robotic pill dispenser that will alert people if they forget to take their medication.

Mr. Bindhammer's design reflects his own needs: he has to take one pill in the morning and another in the evening. He suffers from bipolar disorder and missing the schedule for even a few hours can have consequences. To make sure he sticks to this schedule, this robot dispenses two pills a day and will ask for attention if Mr. Bindhammer forgets. It has 14 chambers, so Mr. Bindhammer can load a full week's worth of medication at a time for convenient long-term use.

Although the project is not yet complete, Mr. Bindhammer has completed the mechanical design and worked out most of the circuitry. The 14 chambers rest around a wheel torso turned by a continuously rotating servomotor, with a second servomotor that opens a door under the current chamber to allow a pill to fall. An Arduino Due board with a custom evasion shield - which also incorporates a DS3231 precision RTC - controls these servos and monitors a capacitive touch sensor in the base so it knows when the user is taking a pill. The Arduino will be able to provide feedback via an OLED screen and a speaker connected to a text-to-speech module. When the robot is done, these will let the Arduino display a warning and play an audio reminder if Mr. Bindhammer doesn't take a pill when he should.

This robotic dispenser will tell you if you forget to take your pills
This robotic dispenser will tell you if you forget to take your pills

Arduino Team — May 23, 2023

Many types of medications (such as antidepressants like SSRIs) can have a very negative effect if not taken regularly. Even taking them a few hours late can affect a person's mood and cause physical discomfort. But remembering to take pills at the right time can be tricky - even setting an alarm isn't foolproof, as you can turn it off without taking a pill. That's why Mr. Bindhammer is building a 3D-printed robotic pill dispenser that will alert people if they forget to take their medication.

Mr. Bindhammer's design reflects his own needs: he has to take one pill in the morning and another in the evening. He suffers from bipolar disorder and missing the schedule for even a few hours can have consequences. To make sure he sticks to this schedule, this robot dispenses two pills a day and will ask for attention if Mr. Bindhammer forgets. It has 14 chambers, so Mr. Bindhammer can load a full week's worth of medication at a time for convenient long-term use.

Although the project is not yet complete, Mr. Bindhammer has completed the mechanical design and worked out most of the circuitry. The 14 chambers rest around a wheel torso turned by a continuously rotating servomotor, with a second servomotor that opens a door under the current chamber to allow a pill to fall. An Arduino Due board with a custom evasion shield - which also incorporates a DS3231 precision RTC - controls these servos and monitors a capacitive touch sensor in the base so it knows when the user is taking a pill. The Arduino will be able to provide feedback via an OLED screen and a speaker connected to a text-to-speech module. When the robot is done, these will let the Arduino display a warning and play an audio reminder if Mr. Bindhammer doesn't take a pill when he should.

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