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A device which includes a central processing unit (CPU), memory, and (generally) an assortment of I/O peripherals (UART, ADC, DAC, general-purpose I/O, I2C, etc.) in a tightly-coupled standalone package.

0
votes
You have a delay in your interrupt routine - this stops any further interrupts (so stopping the other LED from changing state) until it has expired. Interrupt routines should execute as fast as possib …
answered Mar 23 '18 by NMF
4
votes
You can use CEC (via HDMI) - I use libcec to turn my TV on and off with a RPi running a media centre. It also allows you to monitor the power state of the TV with the RPi.
answered Sep 6 '18 by NMF
2
votes
There is a flaw in your handling of your serialCommand_msgPending flag. Consider the following scenario: No data has arrived, you call serialPreParse() serialCommand_msgPending is false Serial.avai …
answered Jan 24 by NMF