nostr:nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqsrame5ar867ukrr4t4ehnf7ahz9nyffn39cq3gzfyc9clg5n7jesnzkm86 ahh, notation I've never seen (basic military electronics)
@nprofile1q... Oh, how do LEDs look in military electronics?