STIRRER MAGNETIK BERBASIS MlKROKONTROLLER AT8535
Abstract
Magnetic Stirrer is a tool that serves to fadlitate laboratory workers mixing a solution with stirring
IfUlnner that serves to homogenize the solution with stirring.
Magnetic Stirrer has a working principle of the relationship between the two magnets, the magnets
are connected to the motor and the other magnet (stir bar) inserted in a glass container containing a liquid
chemical
By using Magnetic Stirrer, mixing of chemicals can be done by saving time, effort, and produced a
more homogeneous solution.
On this occasion the author tried to make a magnetic stirrer using AT B535 micl'OContTollerIe with
PWM output as a data device. PWM can be used as the data from a device, the data is represented by a
positive pulse width, 3speed options, namely, low, medium, high.
Based on the obtllined measurement error (% error) at low speed is as 1,42 %.On Medium speed
error rate (% error) 1,094 %. At High-speed error rate (% error) I.S%. As for the timer e1'1'01'rates (% error)
IfUlnner that serves to homogenize the solution with stirring.
Magnetic Stirrer has a working principle of the relationship between the two magnets, the magnets
are connected to the motor and the other magnet (stir bar) inserted in a glass container containing a liquid
chemical
By using Magnetic Stirrer, mixing of chemicals can be done by saving time, effort, and produced a
more homogeneous solution.
On this occasion the author tried to make a magnetic stirrer using AT B535 micl'OContTollerIe with
PWM output as a data device. PWM can be used as the data from a device, the data is represented by a
positive pulse width, 3speed options, namely, low, medium, high.
Based on the obtllined measurement error (% error) at low speed is as 1,42 %.On Medium speed
error rate (% error) 1,094 %. At High-speed error rate (% error) I.S%. As for the timer e1'1'01'rates (% error)
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