99. Informatie bronnen

Gebruikte fora en websites om dit project mogelijk te maken:

• https://github.com/ElPercha/PLsi
• https://electronics.stackexchange.com/questions/637023/esp32-opto-isolated-relay-board-not-working-pc817-opto-isolator-2n3904-npn-bj
• https://www.reddit.com/r/AskElectronics/comments/1s548yw/circuit_review_esp32_gpio_external_input/