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Screenshot of bret.dk: Raspberry Pi Zero 3W and Pi 4 Model A spotted in device trees

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Raspberry Pi Zero 3W and Pi 4 Model A spotted in device trees

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Blog post analyzing Linux kernel device tree files that reveal an unannounced Raspberry Pi Zero 3 W and Raspberry Pi 4 Model A, both based on the BCM2711.

What HN thinks

Everyone's excited about the new Pi Zero, right up until they try to buy one.

ESP32 does most of this cheaper
Many argue GPIO and low-power projects are better served by $1–5 ESP32 boards, while others insist a Pi's full Linux stack does far more.
Price and availability are the real problem
Commenters lament scalper prices, shortages and rising costs, saying a Zero is useless if you can't buy it near MSRP.
Wishlist: USB-C, 5GHz Wi-Fi, more RAM
People want USB-C, 802.11ac on 5GHz, better antennas, and 1GB RAM, while some complain the CYW43455 Wi-Fi chip is flaky under load.

Consensus: Most agree the Zero line only matters if it stays cheap and actually available, and that Raspberry Pi's software ecosystem remains its main edge over Rockchip/Allwinner boards.

Recommended in the comments

ESP32 (product): Cheap, low power and better suited to simple GPIO and home-automation tasks.
Radxa ZERO 3W (product): Fresher hardware than the Pi Zero 2 W with reasonable mainline support.
Intel N100 (product): Faster than a Pi 5 and a better value for signage or general Linux use.
AtomVM (tool): Lets Elixir users move from Nerves on Pi to ESP32 boards.
Raspberry Pi Pico W (product): A $10 board capable of an HTTPS-streaming sensor built in a weekend.

Summarised by Claude from the comment thread 1 day ago.

Points: 196
Comments: 125
Best rank: #5
Posted: 2026-10-27 by sthlmb
Category: Hardware

raspberry-pi raspberry-pi-zero-3-w raspberry-pi-4-model-a device-tree bcm2711 linux-kernel single-board-computers

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