5.1.1. Transistor memory experiment

Components:

• breadboard
• 5V power supply
• 5mm blue and red LED
• 2 * SPST pushbutton switches
• 2 x BC547 NPN transistors
• 4 x 100KΩ, 2 x 4.7KΩ resistors

Figure 5‑3 Primitive transistor memory experiment

Once we have realized the memory of one bit by a  transistor, we will realize it with the help of NOR and NAND circuits, which will allow us to control the state better.

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