SunriseLight
FastLED
SunriseLight | FastLED | |
---|---|---|
29 | 344 | |
5 | 6,232 | |
- | 0.6% | |
0.0 | 7.4 | |
about 3 years ago | 25 days ago | |
C | C++ | |
- | MIT License |
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SunriseLight
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Conversion from tm struct and String into time_t
Redshift has code to calculate that locally which I use in my sunrise light project
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Advice to an engineering student
Since then I've made lots of things like audio amplifiers and effects, motor controllers, 3d printer controllers and firmware (and subsequently smoothieboard), muscle stimulators, bluetooth LED strip controllers, etc
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[Tertiary Level Engineering : PCB Board Design] I've converted the following schematic into board design but I do not know how to go about the layout design. Could someone show me an example PCB layout design preferably on Eagle software? Thank you.
Here's a bluetooth RGB strip controller I made a couple years ago if you want an example.
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In your opinion, does a masters in EE or an FE certification hold more weight?
hackaday.com has a zillion links to examples; here's one two three four of mine and I've also got a laundry list of companies I've helped but whose technical details I can't legally publish (note that I've assisted many but not all of the companies in that link)
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How do you build circuits?
eg for this project my available inputs were intermittent 12v power, bluetooth, and the current time and location; and the desired output was 3× high current low-side switches that produced 12v RGB PWM corresponding to the colour temperature and brightness of the sky - so we need a bluetooth microcontroller, battery backup to keep time when 12v is absent, some battery management which wanted 5v in, a 12v buck to feed it, some MOSFETs, and redshift or similar code to plug into things.
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How can I use an Arduino board to control LEDs so it imitates the sunlight color temperature throughout the day?
Here's one I made earlier although it targets NRF52 and doesn't use Arduino libraries.
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Control RGBW led strip with ESP
I've got a similar project here, and most of the complication is for battery management - the actual LED strip drive is even simpler than yours because I chose MOSFETs that work nicely with 3v3 gate voltage :P
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Libraries
If you're curious here's a couple of my AVR projects (not using Arduino libraries at all), and here's an NRF52 one
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Half a million subscribers! Enroll here to receive your special flair!
I guess my Sunrise Light project could have been built on Arduino's libraries since an NRF52 core exists, but I didn't do that…
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Seeeduino Xiao
For example, this old project of mine uses an NRF52832 (which is substantially similar to the '840, just missing USB) and it offers several services and characteristics including a battery level service, a DFU service, and a custom service for actually controlling it.
FastLED
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Guru Meditation Error if more than 2 Pins/ 2 controller are used with filehandling
I used the examples from here https://github.com/FastLED/FastLED/wiki/Multiple-Controller-Examples
- FastLED's newest feature - HD mode for the APA102/SK9822/Dotstar LEDS
- High Bit Depth Gamma Correction Algorithm for APA102/Dotstar LEDs
- Is there an alternative to using two WS2811 ics to control RGBW channels [first image], and are there any adjustments needed for the current regulator circuit [second image] ?
- Frames getting stuck with ESP32 and 16 by 16 LED Matrix
- changing brightness of the individual led's?
- Arduino Due SPI to control LED strip(s)
- Powering 300 LEDs w/ battery
- led_sysdefs_avr.h error
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Multiple RGB outputs
Sweet. Then pretty much any arduino or other microcontroller would take care of what you need. The strips only take one output pin plus power and ground so just about everything will work for driving them. They act like a long shift register so the single pin is all that's needed to load the full strip with whatever patterns you want regardless of the length. You just have to tell it how many LEDs there are in total is all. Check out the FastLED library. You can learn more about it there and/or install the library in the IDE by pressing "ctrl shift I" for windows or "command shift I" for mac and search for it in the upper search area and install it right there. It comes with working examples too so all you would have to do is install the library, load one of the new example sketches that came with it, and probably edit the example to change the NUM_LEDS count to match what you're working with.
What are some alternatives?
ESC - Electronic Speed Controller for DC brushed motors on R/C cars and robots
WLED - Control WS2812B and many more types of digital RGB LEDs with an ESP8266 or ESP32 over WiFi!
Teacup_Firmware - Firmware for RepRap and other 3D printers
FastLED-esp32 - Parallel outputs for esp32
ultrasonic-poc - Ultrasonic proof of concept
I2SClocklessLedDriver
redshift - Redshift adjusts the color temperature of your screen according to your surroundings. This may help your eyes hurt less if you are working in front of the screen at night.
Tasmota - Alternative firmware for ESP8266 and ESP32 based devices with easy configuration using webUI, OTA updates, automation using timers or rules, expandability and entirely local control over MQTT, HTTP, Serial or KNX. Full documentation at
arduino-nRF5 - Arduino Core for Nordic Semiconductor nRF5 based boards
FastLED_NeoMatrix - Adafruit GFX compatible library for NeoPixel based Matrices using FastLED library
OctoWS2811 - Control thousands of WS2811/2812 LEDs at video refresh speeds
esp32-fastled-webserver - Work in progress ESP32 port of https://github.com/jasoncoon/esp8266-fastled-webserver