Alpha 221c LED Sign
Covid-19 is here, and I’ve been keeping to myself a lot more after work. For reference, our office is currently an old school that we have been squatting in for a couple years, and one of the old buildings had an LED sign that dated back to the late 80’s. This thing came with a power supply and nothing else. No documents and no keyboard to program it, nada. Also, no documentation was found for this specific model online. After…