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An LED is a type of light source which is typically fairly small and has low power requirements.

0
votes
If This Then That (IFTTT) provides an integration service with many social networks and web based applications. You could probably use that to aggregate the messages/notifications and send them to a w …
answered May 12 '17 by Mazaryk
1
vote
You don't mention if you are using and Arduino, but I will assume that is the case. Using the shift register to light up LEDs is fairly straight forward. You can use the ShiftOut() function to sen …
answered Mar 13 '17 by Mazaryk
6
votes
I would bet that the built-in LED pin is also the TX pin for the serial interface. Check here, LED Pin section: http://www.esp8266.com/wiki/doku.php?id=esp8266_gpio_pin_allocations LED Pin … GPIO1, which is also TX, is wired to the blue LED on many devices. Note that the LED is active low (connected to Vcc and sinks through the chip to ground) so setting a logical value of 0 will …
answered Sep 5 '17 by Mazaryk
2
votes
I think it's worth noting that the three 255 values for RGB colour space is just one way to encode the 255^3 (16,581,375) colours. These include each and every brightness level too. If you are tryin …
answered Mar 13 '17 by Mazaryk