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Figure 2 | BMC Plant Biology

Figure 2

From: Design and fabrication of adjustable red-green-blue LED light arrays for plant research

Figure 2

A) The schematic of the Tunable LED controller circuit used in Design 1. The controller regulates the output of four sets of five LEDs. The schematic represents the circuit used to power one color (R, G, or B) in five separate HEX chips, and therefore is repeated twelve times in the controller unit in this arrangement. The 5 HEX LED bank is shown from a bottom (B) and top (C) view.

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