FreeRTOS, simple, easy, robust, and optimised for Arduino IDE. Using FreeRTOS Semaphores to share and protect physical resources.
by Phillip Stevens
I was looking for ways to teach students the basics of PLC and found the OpenPLC project. Opensource, free and uses the IEC 61131 standard.
Use FreeRTOS (simple, easy, robust, & optimised for the Arduino IDE) to reduce the power required for battery or low power applications.
It's an elevator with automatic doors. The code has two FSM, one for the motor that makes it go up and down and one for the automatic door.
H3LIS331DL is a low-power high performance 3-axis linear accelerometer belonging to the “nano” family with digital I²C serial interface.
by Dcube Tech Ventures
This circuit allows for one thermistor input and will output up to four similar values using digital pots.
by Kevin Strain
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