4ch Simple LED Driver with shared brightness control - pairDesigned by Terrain-Tronics in United States of America
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What is it? It's a pair of simple to use 4x LED boards for your terrain. They can be driven by a USB power bank, a USB Wall socket or with a dedicated battery. A small amount of soldering is required…Read More…
It's a pair of simple to use 4x LED boards for your terrain. They can be driven by a USB power bank, a USB Wall socket or with a dedicated battery. A small amount of soldering is required depending on the power source. Most USB power sockets and some USB power banks are supported without any soldering.
LED's can be hooked in using standard prototyping dupont jumper wires, or with wire-wrapped LED's. Very easy - virtually no electronics skills are needed for this product.
This board allows you to simply hook up your terrain to a USB power source and control the brightness with a screwdriver. I have pieces of my own terrain that require this. (simple scatter terrain etc).
In the past, I've built terrain LEDs with resistors to control the brightness, and found that I had to solder a separate resistor for each LED in the terrain. This is not only a pain, but there's guesswork in how bright the LED is versus the resistance. get it wrong, and you have solder a whole new set (and order a different value from Amazon!). The Conwy Castle board allows you to get rid of all those resistors and simply wire the 2 LED pins directly from each LED to the board, then change the brightness using a single control. In addition, the kit comes with two 1-Watt resistors that can be soldered to the board to pull enough power from a USB Power Bank to stop it from going to sleep. This isn't the most efficient method of keeping the power-bank from going to sleep, but it certainly is the easiest! With the resistor installed, the board pulls a constant 100mA from the USB Power Bank, emulating a smartphone charging.
This resistor isn't installed by default, as it pulls additional power and generates some heat.
I keep a list of bits and some notes to go with them at Amazon Shopping List
If you've never some any soldering before, you'll need a soldering iron if you plan to add the power resistor. I really like this kit: https://www.amazon.com/dp/B06XZ31W3M
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Xero | June 3, 2021
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