GreatScott!
Awesome Electronics Tutorials, Projects and How To´s
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Awesome Electronics Tutorials, Projects and How To´s
这是 Youtop 运营的独立目录页面，并非由 GreatScott! 或 YouTube 运营、赞助或认可。 YouTube 官方频道 ↗提交更正你是这位创作者吗？认领此页面
GreatScott! · 发布于 2024年5月5日
Elektor Offer: Enjoy 50% off an annual subscription to Elektor GOLD (print + digital) or Elektor GREEN (digital). This offer is available in English, German, French, and Dutch. Valid until May 31, 2024. https://www.elektormagazine.com/greatscott-elektor-offer-24 Special Offer for the LiPo Supercharger: Valid until May 31, 2024 https://www.elektormagazine.com/greatscott-lipo-2024 Previous video: https://youtu.be/MzxBBXpgwrE ESP32 WiFi video: https://www.youtube.com/watch?v=ZAqNKaX3LQ0&t ESP32 Bluetooth video: https://www.youtube.com/watch?v=2SWj49ugr3A nRF24 videos: https://www.youtube.com/watch?v=SZYwvvh6m-s https://www.youtube.com/watch?v=Nd_Kc7BXa54 433MHz RF Module video: https://www.youtube.com/watch?v=PKowvbnIxso LoRa videos: https://www.youtube.com/watch?v=nP6YuwNVoPU https://www.youtube.com/watch?v=ItZwa1AdrpU https://www.youtube.com/watch?v=2YJHcGQnpAk&t=23s Facebook: https://www.facebook.com/greatscottlab Twitter: https://twitter.com/GreatScottLab Instagram: https://www.instagram.com/great.scott.lab/ TikTok: https://www.tiktok.com/@greatscottlab Discord: https://discord.gg/zuAvkAuhsY Support me for more videos: https://www.patreon.com/GreatScott?ty=h Wireless communication is awesome! Right? Only problem is that there are many different methods and techniques which all use different frequencies and sometimes require extra hardware. But if you do not want to spend extra money on hardware, then the ESP microcontroller boards offer WiFi and Bluetooth. Those only come with a "short" range though. So in this video I will test ESP-NOW which is a wireless communication method that can be used with the ESP boards. It gets rid of many disadvantages while not needing extra hardware. So let's see what it can do and ultimately push it to the limit by building a crude Walkie-Talkie. Let's get started! Websites shown/used in the video: https://www.elektormagazine.com/articles/diy-walkie-talkie-based-on-esp-now https://www.espressif.com/en/solutions/low-power-solutions/esp-now https://randomnerdtutorials.com/esp-now-esp32-arduino-ide/ Thanks to Elektor for sponsoring this video 0:00 A New Wireless Communication Method? 1:46 Intro 2:53 The Problem with WiFi & BT 4:22 Extra Hardware? 4:33 ESP-NOW Theory 5:10 First Test ESP-NOW 6:20 Range Test ESP-NOW 7:30 Comparison of all Wireless Methods 7:59 Walkie-Talkie Build with ESP-NOW 11:32 Verdict
