Source google image: https://www.researchgate.net/profile/Gaby_Tchimmoue/publication/273809206/figure/fig7/AS:668443271524356@1536380703408/Circuit-electrique-du-generateur-dECG-concue-autour-du-PIC-16F84A-et-du-DAC-0808.png
Schéma electrique carte sd
Source google image: https://www.researchgate.net/profile/Gaby_Tchimmoue/publication/273809206/figure/fig7/AS:668443271524356@1536380703408/Circuit-electrique-du-generateur-dECG-concue-autour-du-PIC-16F84A-et-du-DAC-0808.png