Arduino pwm to meanwell lddh code diy projects nanoreef. Led light fixture for aquarium, grow light, or shop. Its a meanwell ldd 700l original issue reported on code. That allows me to run thru various scenarios and test different approaches and see what works best. The first step is to download the latest version of the adafruit fritzing library from github the easiest way to do that is to click that big nice button up there, otherwise you can also go to the github repository and manually download or clone. One of the simplest and most affordable solutions to dim with the led drivers is to use a simple 100k ohm potentiometer. I know this is a few months old but i wanted to toss out a word of caution to anyone considering controlling the mean well ldd series drivers with an arduino for use over a saltwater reef aquarium. A quick walkthrough of the coralux meanwell lddh pcb driver boards. Ldd700h 700ma 2 52v constant current led driver buck topology 1 output from mean well usa inc pricing and availability. See your led product page or data sheet to determine the run current for a particular led. Lddh mean well led power supplies 956vin 252vout ma led. Ldd 4 driver board this is a 4channel pcb carrier board for the popular meanwell ldd h series of pwm constant current drivers. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users.
Coralux meanwell lddh pcb driver board intro youtube. Many models like the hlg, npf and lpf are built with mean wells 3in1 dimming feature. Ldd series led drivers mean well ldd dcdc converters are constant current mode drivers designed for led applications. The ldd driver has a minimum voltage drop of 3v to function properly. Even if i use the buttons to override to off, it will not shut the leds down. Im swapping out my mean well eln6048p drivers for some ldd hw drivers. Drivers attach to the board via dip sockets for quick and easy installation. Then you realize that your microcontroller has a limited number of pwm. Drivers will take the leds all the way down until they are shut off. The best advance is that the driver starts from 0 value.
These are carrier boards that greatly simplify the installation and integration of meanwell ldd h constant current led drivers. Diy modules for arduino, raspberry pi, cubieboard etc. This is a variable resistor that easily attaches to the dimming wires for a costeffective solution. These led driver modules push into sockets on your makersdriver board and provide a constant current source for your leds. Buy ldd700hw with extended same day shipping times.
Your meanwell ldd is looking for a logic level pwm signal just like what comes out of the arduino. Now that ive finally started getting back into aquariums, i want to give making a controller for my freshwater tank. Onoff functin for meanwell hlg style drivers using. Ladyada usbtiny driver look below for instructions for with usbtiny support.
Ive had an arduino sitting around for about a year and half, and i always swore to myself i would learn to program with it. This 3in1 dimming allows for the user to dim leds with. Pwm for up to 8 meanwell ldd700hw drivers arduino forum. This guide assumes you have read through the first guide in this series, if not please go through it here lighting is one of the most critical aspects of reef keeping. Aquarium controler this is a simple aquarium controler.
Overwintering herbs can be tough without adequate lighting. It can be configured to provide specific current capabilities limits for each channel such that it is perfectly suited to your setup. This means if the input is 45vdc, the maximum voltage output is 45vdc3vdc 42vdc. Use this 4 channel board to connect up to 4 meanwell lddh series drivers without having to solder or use wire nuts. Meanwell ldd 700h a arduino zdravim, jiz nekolik dni resim problem s radicem led meanwell ldd700h. When the pin is set to zero i get no voltage out, but when anything greater than zero is set, the voltage is 46. Download the free library loader to convert this file for your ecad tool. Its a meanwell ldd700l original issue reported on code.
Buy ldd 700hw with extended same day shipping times. This document details the setup of a rapid led lddh4 board with mean well ldd led drivers. Please note, this meanwell driver does not come with wire leads. Arduino library for controlling 8 neopixel led strips using dma on atsamd21, atsamd51. Pcb for 6up meanwell driver diy marine aquariums south. Meanwell lddhw dimmable driver download the dim pin is referenced to the common terminal of the ldd, so as long as you dont touch the led output pins or. Or maybe you want to drive a lot of leds with precise pwm output. I run my test work on a pc with openhab on it and i test until i am ready to download to the rpi3 and do hard testing. Tlc 59711 and meanwell ldd drivers adafruit industries. Repeat this for all remaining ldd drivers and driver jumpers or led strings. It can be configured to provide specific current capabilities limits for each channel such that it. This is a little test video i made using meanwell ldd h and bridgelux bxra40e2200 neutral white array. Jul 18, 2014 ldd h lightning effect with arduino uno.
Mean well led drivers offer dimming features to fit the demand for modern lighting control. Im having trouble controlling the ldd drivers with the pwm signal. Accelerated learning gamma waves for focus, memory, concentration binaural beats focus music duration. Next, open the archive and extract the file adafruit. As a starting point, look up the ps2501x x is the number of pwm pins you want to protect series. Plus, leds are efficient they use 10 to 15 percent of the power. I needed this for my led driver shield and it wasnt available. By choosing the appropriate ldd, you can choose the current your leds are run at. Arrow electronics guides innovation forward for over 200,000 of the worlds leading manufacturers of technology used in homes, business and daily life.
The input to an ldd driver and thus the ldd h4 board must be between 956vdc. May 28, 2016 the difference is mostly in performance. Coralux meanwell ldd h pcb driver board intro duration. In this guide, well use reefpi to automate a reef aquarium lighting. Dont forget to get your dc power supply for these drivers here please note, this meanwell driver. I have a separate 48v 300w psu going to that pcb to run the drivers and leds, and i have the dimmer pin on the drivers running to pwm pins 8,9,10 and 11 on my arduino mega. A list of the 116 libraries in the architecture samd. Use it to build up your custom drivers using the meanwell lddh series of buck drivers. I thought it would be pretty easy to hook these up but i started poking around for some wiring diagrams just. Download the fritzing library from github using the.
I have a mega 2560 r3, coralux x5 board and meanwell ldds installed. You can get this by rightclicking your part in the parts. Nuke elektro bastlirna forumsviewtopicmeanwell ldd. The output voltage going to an led string connected to an ldd must be greater than 2v and less than 52v. Similar to while 1 for microcontroller programming. The lddhw drivers will connect to strings that can handle up to ma of current, and the ldd700hw. Add your part by adding a comment to this issue and attach your part as a. This is a 4channel pcb carrier board for the popular meanwell ldd h series of pwm constant current drivers. The input to an ldd driver and thus the lddh4 board must be between 956vdc. Adafruit 16channel 12bit pwmservo driver i2c interface.
This build guide covers kessil and actinic led strip controller, but the basic circuitry should work for a variety of led light types. Nuke elektro bastlirna forumsviewtopicmeanwell ldd 700h a. These buck converters feature 936v dc input and 232v dc output lddl or 956v dc input and 252v dc output lddh. Arduino uno and meanwell lddh lightning effect youtube.
If one driver would fail one time, i could easily replace it with a new one. In other words, i cannot control the leds from the controller. The text of the arduino reference is licensed under a creative commons attribution. Ive worked out that ill have a series of buttons that will work from the arduino sketch that will do the individual onoff functions. This guide will cover how to use reefpi to create a light controller that can simulate daylight cycle like natural coral reefs. A wide range of output current options are available from 300ma to 1a. Mean well has developed a wide line of led drivers with advanced dimming features for led lighting. These buck converters feature 936v dc input and 232v dc output ldd l or 956v dc input and 252v dc output ldd h.
Ldd type number of leds connected to ldd forward voltage of each led default 3. The array itself is very powerful, so its not going to dim to moonlight brightness, but regular 3w leds do. Sep 16, 20 the biggest benefit is that it will protect your arduino and does voltage conversion if your arduino and driver are different. View datasheets, stock and pricing, or find other led power supply. Meanwell lddh led driver uninterrupted power supplies.
Ldd 3 driver board this is a 3channel pcb carrier board for the popular meanwell ldd h series of pwm constant current drivers. I am making a fish tank light unit and have four meanwell ldd700h drivers on a pcb made for this purpose. Use this 4 channel board to connect up to 4 meanwell ldd h series drivers without having to solder or use wire nuts. Meanwell lddh series drivers are available in 300ma, 500ma, 700ma, and 1amp. Well cover two types low current and high current of light controller circuits. See figure 1 for how to hook up a potentiometer to the dimming wires of. Meanwell lddh drivers are used in makersdriver products 5up pro, 2up pro, and 2up basic. It is used to initialize variables and pin modes loop. This is a space for fritzing users to upload and share their selfcreated parts with others.
Leds use relatively little energy and have a long lifetime. Arduino uno and meanwell ldd h lightning effect youtube. This is a fully assembled 5channel pcb carrier board for the popular meanwell lddh series of pwm constant current drivers. Onoff functin for meanwell hlg style drivers using dimming. Free tools for electronics designers, eagle libraries. If you lose connectivity between the drivers and the. An analog data acquisition library for arduino and iot. Ldds come in a variety of current levels, although.
I2s audio playback library for the arduino zero adafruit m0 samd21 processor and m4 samd51 boards. Mean well lddhw driver, se35048 power supply and coralux. Use it to build up your custom drivers using the meanwell ldd h series of buck drivers. As you can see, i have used sockets for my drivers. Please note you cannot dim these ldd drivers with just a plain pot, you should use a controller that can do pwm dimming or use the makersdrivers instead. But for some reason, when provide my 12v power to the ldd driver, it automatically turns the leds on. Coralux meanwell lddh pcb driver board intro duration. Pcb for 6up meanwell driver diy marine aquariums south africa. Constant current mode output output or 956vdc input and 252vdc output. This is a simple and efficient solution that can be placed almost anywhere such as on the kitchen counter or in a shelving unit. I use the raspberry to run the website where i create the charts for the data logging. For comparison, more traditional light sources only last about 2000 hours.
Jun 28, 2014 im having trouble controlling the ldd drivers with the pwm signal. Voltage above about 3v is considered logic high and turns the output on and voltage below a certain threshold is considered logic low and turns the output off. It can be configured to provide specific current capabilities limits for each channel such that it is perfectly suited to your. Does anyone happen to have a snippet of code for using an arduino to control the meanwell ldd h drivers. I suggest you take time to research and study basic elect. My pcb has place for 4 meanwell ldd drivers, a real time clock, 3 transistors to switch on the fan, or a cooling fan or so, one button and one arduino pro mini. The library contains a list of symbols and footprints. A global provider of products, services, and solutions, arrow aggregates electronic components and enterprise computing solutions for customers and suppliers in industrial and commercial markets. Ldd board ldd board to support 4 ldd drivers using 4 lddh divided in two pwm signals to control the aquarium light. This is a little test video i made using meanwell lddh and bridgelux bxra40e2200 neutral white array. Some pcb design ideas for diy lddl driver based builds. Diy meanwell ldd constant current led drivers page 15. The loop functions runs continuously till the device is powered off.