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Build a Leaky Integrate-and-Fire Spiking Neuron

Artificial Intelligence Without Software

Build a Leaky Integrate-and-Fire Spiking Neuron
Build a Leaky Integrate-and-Fire Spiking Neuron
Labs Project
Based on a Labs project | August 2024 | Find it here
Artificial neural networks are at the basis of artificial intelligence. Usually, they are implemented in software, but the energy efficiency is not very good. Biological neural networks perform much better. In this article, we present a circuit that mimics a biological neuron, allowing you to build and experiment with your own neural network.
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Materials

Component list

Component List

[Illustration 240409-005-94]

[Illustration 240409-006-94]

 

Resistors

R1, R3, R7 = 1 kΩ

R2 = 3.9 kΩ

R5 = 10 kΩ

R4, R6 = 100 kΩ

 

Capacitors

C1, C2, C3, C4 = 100 nF, 2.5 mm or 5 mm pitch

C5 = 10 µF, 16 V, 2.5 mm pitch

 

Semiconductors

D1, D2, D3, D4 = 1N4148

T1, T3, T4 = BC557

T2, T5 = BC547A

 

Miscellaneous

JP1 = 3-way pin header, 2.54 mm pitch

K1 = 8-way pin socket, 2.54 mm pitch

K2 = 2-way pin header, 2.54 mm pitch

K3 = 8-way pin header, 2.54 mm pitch

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