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The image displays an electronics laboratory setup located in Plovdiv, Bulgaria, likely within a university or technical college. In the foreground, a large, amber-colored experimental circuit board is positioned. This board features numerous red LEDs, cream-colored sockets, integrated circuit sockets with some ICs inserted and others loose, resistors, and green multi-pin headers. Text labels such as "Out[E1]", "+5V", and "0V" are visible on the board. The board is connected via red and black banana plug leads to a grey Analitik TEC 1300 K power supply unit, situated directly behind it. The power supply unit exhibits multiple fixed voltage outputs (e.g., +5V, ±12V, ±15V) connected by white cables on the left, and a variable 0-36V/0-1A output monitored by two analog meters (voltmeter and ammeter) on the right. A curled white sheet of paper rests on the top of the power supply unit. A black computer monitor is partially visible to the left background, and a mobile phone in a purple case is partially visible, face down, in the bottom-left corner. The equipment is arranged on a light green desk surface, with a plain light-colored wall forming the background.
Sim3onow

Mar 13, 2026

Plovdiv, Bulgaria

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The image displays an electronics laboratory setup located in Plovdiv, Bulgaria, likely within a university or technical college. In the foreground, a large, amber-colored experimental circuit board is positioned. This board features numerous red LEDs, cream-colored sockets, integrated circuit sockets with some ICs inserted and others loose, resistors, and green multi-pin headers. Text labels such as "Out[E1]", "+5V", and "0V" are visible on the board. The board is connected via red and black banana plug leads to a grey Analitik TEC 1300 K power supply unit, situated directly behind it. The power supply unit exhibits multiple fixed voltage outputs (e.g., +5V, ±12V, ±15V) connected by white cables on the left, and a variable 0-36V/0-1A output monitored by two analog meters (voltmeter and ammeter) on the right. A curled white sheet of paper rests on the top of the power supply unit. A black computer monitor is partially visible to the left background, and a mobile phone in a purple case is partially visible, face down, in the bottom-left corner. The equipment is arranged on a light green desk surface, with a plain light-colored wall forming the background.

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Sim3onow

Mar 13, 2026

Plovdiv, Bulgaria

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