TinyShield Matrix LED Board - Green [Discontinued] _MAKE_POWER_ACC This Arduino Shield is a

This Arduino Shield is a completely newly designed that is able to control 4 relays at a time

You can solder them in but we found that for 'standard' 0

as well as an interesting introduction to digital circuitry

We also have an non-isolated version of this module

TinyShield Matrix LED Board - Green [Discontinued] _MAKE_POWER_ACC This Arduino Shield is aThe TinyShield Matrix LED Boards is a 6 x 9 grid of LEDs (54 total LEDs) that are individually addressable, which lets you scroll text, draw images and all sorts of other things. This TinyShield is compatible with the popular Arduino LoL Shield Library (Lots of LEDs Shield) created by Jimmie Rodgers. The LEDs are arranged using Charlieplexing, which is a technique to allow for control of multiple LEDs using fewer I O signals. Available with Red, Green