Hi, anybody had success with MAX7219 high voltage led configuration [ Using the MAX7219/7221 to Drive Higher Voltage or Current | Analog Devices ], can suggest transistor models I can use for Q1, Q2 & Q3, I'm planning to drive digits each having segments rated 9V / 30mA. Please share the experience …

Controlling High Voltage 7 Segment Display using MAX7219

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