У вашего броузера проблема в совместимости с HTML5
code + schema
https://arduino-projects-free.blogspot.com/2017/08/oscilloscope-with-arduino-nano.html
Great Projects :
Oscilloscope with arduino nano
https://youtu.be/qi6I_ULpD1Y
How to Make a LED Cube with ATMEGA8 ?
https://youtu.be/nmwNVSvuEdg
How to Make a calculator with arduino pro ?
https://youtu.be/yG3A5zUebfE
How To Program An Arduino Pro Mini with Arduino Nano ?
https://youtu.be/wldg81WFuCA
how to receiving IR codes from IR Remote Control ?
https://youtu.be/4-bLRKpzxg0
How To Control LED with IR Remote Control + Arduino ?
https://youtu.be/KNCv9uGSJV0
How To Burn Arduino Bootloader and sketch for ATMEGA8 ?
https://youtu.be/eX4m_YXit9U
Burn bootloader and sketch on ATMEGA8L-8PU !
https://youtu.be/UeTz8el6VhE
DHT11 sensor with an Arduino nano - v3 + 4 Digit 7 segment !
https://youtu.be/fAuzLD3VvwQ
Color Sensor TCS230 TCS3200 !
https://youtu.be/EXleYHpCIUI
Clock & weather station on lcd 5110 !
https://youtu.be/Eue0KIhQpU0
lcd 5110 ultrasonic sensor project !
https://youtu.be/Bd7GJULXVvo
driver Arduino uno Ch340 + how to install ?
https://youtu.be/BxMsOeJ3e9M
arduino nano driver + how to install ?
https://youtu.be/x7yVpOKyYLg
temperature Displayed on 4 Digit 7 segment !
https://youtu.be/asO5k7Ur0n0
4digit 7segment Pin Details !
https://youtu.be/tvXhndKaMSo