[HN Gopher] Introducing the Nano ESP32
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Introducing the Nano ESP32
Author : pyprism
Score : 44 points
Date : 2023-07-17 19:55 UTC (3 hours ago)
(HTM) web link (blog.arduino.cc)
(TXT) w3m dump (blog.arduino.cc)
| snvzz wrote:
| Based on a pre RISC-V ESP32.
|
| Unfortunate.
| samtho wrote:
| I'm going to say that people buying this product from Arduino
| for ostensibly using with the Arduino IDE is not going to care
| much about using a pre-RISC-V chip.
| pawelduda wrote:
| What's the difference?
| adolph wrote:
| The OG ESP32 and successors esp32-S2 and ESP32-S3 use an ISA
| from company Tensilica called Xtensa LX6 (LX7 for the S3).
| The ESP32 C and H series use RISC-V. Xtensa is pretty well
| supported by compilers at this point, but RISC-V is on the
| rise and will have better support going forward. At this
| point in time, the S3 is the speediest ESP32 and is well
| supported, so it probably doesn't make a big difference.
|
| ISA:
| https://en.wikipedia.org/wiki/Instruction_set_architecture
|
| https://en.wikipedia.org/wiki/ESP32
| dnedic wrote:
| I wouldn't say this is necessarily a bad thing. The S3 is the
| most powerful ESP chip to date in terms of raw CPU power and
| even has AI and DSP instructions, esoteric things like direct
| CPU GPIO and more, I was kind of suprised to see such a
| powerhouse used for the Nano.
| pathartl wrote:
| The price of these aren't quite as egregious as the incredibly
| dated ATMEGA8-based Arduino Unos, but these still aren't really
| priced competitively to other offerings on the market. This is
| even considering other ESP32-S3 boards.
| 2sk21 wrote:
| I'm using the Arduino RP2040 in a project. This is also in the
| same form factor as the Nano and is truly remarkable in terms of
| value for money. Really impressed with Arduino
| wvenable wrote:
| Seems expensive compared to the nearly identical Pi Pico W.
| claytongulick wrote:
| Can you expand a bit on the value for the money?
|
| This board is $21 with headers... I've seen a ton of esp32
| boards for much less.
|
| What do you think makes this board worth the extra cost?
| pathartl wrote:
| > Can you expand a bit on the value for the money?
|
| When compared to other Arduinos, probably.
| pawelduda wrote:
| Can you post your recommendations? I'm looking to build some
| stuff for fun, like DIY CO2 sensor.
|
| Say I go for something else than Arduino, what am I missing
| out on?
| sen wrote:
| An actual Espressif ESP32, or the Arduino Feather variant
| if you want QUIK connectors for most sensors (if you can't
| solder etc, or want to use plugs to make it serviceable).
|
| Both are cheaper than this yet are the same thing.
| adolph wrote:
| You might get the most fun for your buck with an ESP32 Cam
| or EYE. ESP32 Cam boards go for about $7-9 on Amazon if you
| buy 2-3 at the same time. They don't have built-in USB, so
| you have to use an FTDI or other UART adapter to flash
| programs to it (at least the first time, you can set it up
| for OTA updates afterward). The more expensive ESPEYE has
| USB built in and a more powerful processor. The Seeed
| Studio ESP32 units also look interesting.
|
| Here is a tutorial about how to use TinyML to perform image
| detection on the device:
| https://dronebotworkshop.com/esp32-object-detect/
| eyegor wrote:
| That's a bit rough as a price tag for an esp32s3 board...
| They've been available with lcds included for $20 for quite a
| while at this point. Bare they're around 10-15$.
| 2sk21 wrote:
| It has Bluetooth, Wi-Fi and an IMU built in which is very
| useful for a robotics project I'm currently working on. Plus
| it has a huge amount of RAM and flash compared to an ATMEGA
| Arduino
| 1023bytes wrote:
| Interesting that it's using a module from uBlox instead of an ESP
| directly
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