451 Which Processor can kill the ESP32?

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Published 2023-03-19
Over the years, the ESP32 became everybody’s darling because of its unique features, low price, and availability also in Corona times.
It was introduced six years ago. So it is pretty old in electronic terms. Therefore, the question: Do we have to change? And for which processor?

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Links:
T-Display-S3: s.click.aliexpress.com/e/_De4pLMp
Official Espressif Devkit: s.click.aliexpress.com/e/_DCPjjnJ
"Standard" S3 Dev-Kit: www.aliexpress.com/item/1005004617322170.html
S3 Modules: www.aliexpress.com/item/1005004412933815.html
Cooles S3 Walkie-Talkie (needs license): s.click.aliexpress.com/e/_DDNVlup

ESP32-S3 pins: docs.google.com/spreadsheets/d/1LLH-EXf_FzAm_IiQH0…

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All Comments (21)
  • @TilmanBaumann
    I have to say at this point the toolchain is also a huge reason for ESP32. Arduino compatile, FreeRTOS based with easy multitasking.
  • Beautiful coverage. Thanks for mentioning the RISC-V versions of the ESP32 as well. There's more models coming for sure so thanks for covering those too such as the C6 and P4!
  • Thanks! You have been one of my main guides into the world of the ESP32!
  • Very useful updates about upcoming ESP versions. As always, very well done. Thank you, Andreas.
  • @lmamakos
    I'm excited to see the introduction of more RISC-V based parts from Expressif. I've been playing around with implementing a RISC-V CPU in an FPGA and am learning quite a bit about the instruction set architecture. It looks very well thought out, with a degree of elegance that I can appreciate. Having Expressif wrap that up with their WiFi, Bluetooth and Zigbee/Thread radios and their other SoC peripherals is a welcome development!
  • @apruszko
    Thanks - I was waiting for that video for a long time!
  • @Taki7o7
    As always, a great, structured and informative video. Thanks for doing that for free here <3
  • @alyf80
    Another difference that might be worth pointing out: on the S3 you can use the whole 8MB of PSRAM for heap allocation, while on the ESP32 you were restricted to 4MB because of limitations in the MMU
  • @carltone
    Andreas thank-you for this esp32 overview. Your engineering focused, informative , refined instruction videos are my go to.
  • @sevagjb
    thanks for all the important info we get on the channel,
  • @EdFrench_uk
    Although esp32 will remain my "darling", the biggest issue for me has always been battery powered projects where the Bluetooth always sucked battery at ludicrous levels. Recently I've been playing with the nrf52840, a bit pricier, but lovely long connected battery life
  • @tonysfun
    Great information Andreas, just like you always provide!
  • @matyasnyilas
    Thank you! I wouldn't have discovered the ESP32-S3 without your video! :D
  • @catcam
    Thanks again for super helpful content . All the best from Croatia.
  • @akb168
    We just started using the ESP32-S3-DevKitC-1 boards for projects at work. We got the variant of the board with the most PSRAM and Flash and that has been useful in our projects to have more external RAM and Flash than the older ESP32 boards. The other thing that we liked about the S3 is that the USB port also supports JTAG so we are able to run VS code with Platform IO with full source code debugging without needing to have an external JTAG board. Also in the S3, besides more GPIOs, you don't have to worry about SPI bus sharing as the PSRAM and SPI flash are on their own busses separate from the two SPI busses for use to the actual pins. Thanks for publishing the spreadsheet, that is quite helpful.
  • @LarryKapp1
    Thanks for explaining all the differences. I bought some color changing light bulbs with esp32 c3 in it thinking it was much better chip. The bulbs were only $5 each and I reflashed them to Tasmota so still a good deal.
  • @avejst
    Great video as always 👍 Great tour of the new processors on the way. Thanks for sharing your experience with All of us 👍😃
  • @nullptr.
    Thanks for all the updated information, your channel is such a fantastic resource for people learning embedded on their own like me.