# open hardware

Published articles for open hardware.

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## FREE-WILi 2 portable hacking multitool features two RP2350 MCUs, ESP32-C5, ICE40 FPGA, and Raspberry Pi CM0

DevFeed: [FREE-WILi 2 portable hacking multitool features two RP2350 MCUs, ESP32-C5, ICE40 FPGA, and Raspberry Pi CM0](<https://devfeed.tech/articles/free-wili-2-portable-hacking-multitool-features-two-rp2350-mcus-esp32-c5-ice40-fpga-and-raspberry-pi-cm0-14036.md>)

Original publisher: [Read original article](<https://www.cnx-software.com/2026/09/09/free-wili-2-portable-hacking-multitool-features-two-rp2350-mcus-esp32-c5-ice40-fpga-and-raspberry-pi-cm0/>)

Author: Debashis Das

Published: 2026-09-09T00:00:02Z

Content type: news

Language: en

Sources: [CNX Software - Embedded Systems News](<https://devfeed.tech/sources/cnx-software-embedded-systems-news.md>)

Topics: [Embedded Systems](<https://devfeed.tech/topics/embedded-systems.md>), [Raspberry Pi](<https://devfeed.tech/topics/raspberry-pi.md>), [ESP32-C5](<https://devfeed.tech/topics/esp32-c5.md>), [Hardware](<https://devfeed.tech/topics/hardware.md>), [Hacking](<https://devfeed.tech/topics/hacking.md>), [Linux](<https://devfeed.tech/topics/linux.md>)

Tags: [802-15-4](<https://devfeed.tech/tags/802-15-4.md>), [ble](<https://devfeed.tech/tags/ble.md>), [bluetooth](<https://devfeed.tech/tags/bluetooth.md>), [broadcom-bcmxxxx](<https://devfeed.tech/tags/broadcom-bcmxxxx.md>), [c-c-plus-plus](<https://devfeed.tech/tags/c-c-plus-plus.md>), [can](<https://devfeed.tech/tags/can.md>), [electronics](<https://devfeed.tech/tags/electronics.md>), [embedded](<https://devfeed.tech/tags/embedded.md>), [esp32](<https://devfeed.tech/tags/esp32.md>), [esp32-c5](<https://devfeed.tech/tags/esp32-c5.md>), [espressif](<https://devfeed.tech/tags/espressif.md>), [fpga](<https://devfeed.tech/tags/fpga.md>), [hack](<https://devfeed.tech/tags/hack.md>), [hacking](<https://devfeed.tech/tags/hacking.md>), [hardware](<https://devfeed.tech/tags/hardware.md>), [lattice](<https://devfeed.tech/tags/lattice.md>), [linux](<https://devfeed.tech/tags/linux.md>), [lora](<https://devfeed.tech/tags/lora.md>), [meshtastic](<https://devfeed.tech/tags/meshtastic.md>), [nfc](<https://devfeed.tech/tags/nfc.md>), [open-hardware](<https://devfeed.tech/tags/open-hardware.md>), [python](<https://devfeed.tech/tags/python.md>), [raspberry-pi](<https://devfeed.tech/tags/raspberry-pi.md>), [raspberry-pi-rp2350](<https://devfeed.tech/tags/raspberry-pi-rp2350.md>), [rfid](<https://devfeed.tech/tags/rfid.md>), [rust](<https://devfeed.tech/tags/rust.md>), [security](<https://devfeed.tech/tags/security.md>), [som](<https://devfeed.tech/tags/som.md>), [stm32](<https://devfeed.tech/tags/stm32.md>), [stmicro-stm32](<https://devfeed.tech/tags/stmicro-stm32.md>), [texas-instruments-simplelink](<https://devfeed.tech/tags/texas-instruments-simplelink.md>), [thread](<https://devfeed.tech/tags/thread.md>), [tools](<https://devfeed.tech/tags/tools.md>), [video](<https://devfeed.tech/tags/video.md>), [wi-fi](<https://devfeed.tech/tags/wi-fi.md>), [wifi-6](<https://devfeed.tech/tags/wifi-6.md>), [wireless](<https://devfeed.tech/tags/wireless.md>), [zigbee](<https://devfeed.tech/tags/zigbee.md>)

### AI overview

The FREE-WILi 2 Founder Edition is an open-hardware, portable multitool for hardware hackers, pentesters, and embedded-system developers. It combines two Raspberry Pi RP2350 MCUs, an ESP32-C5, a Lattice ICE40UP5K FPGA, and a Raspberry Pi CM0 capable of running a full Linux OS, along with touchscreen controls, expansion headers, and multiple wireless interfaces.

### Source excerpt

The FREE-WILi 2 (Founder Edition) is an open-hardware, portable hacking multitool and lab designed for hardware hackers, pentesters, and embedded system developers. Designed as an "open electronics multitool," it combines a range of chips and modules into a handheld device, including two Raspberry Pi RP2350 MCUs, an ESP32-C5 for wireless connectivity, a Lattice ICE40UP5K FPGA, and a Raspberry Pi CM0 for running a full Linux OS. The device also features a 3.5-inch capacitive touchscreen, a 14-button physical interface, and modular "Orca" headers for hardware expansion. Its wireless features include 2.4/5GHz Wi-Fi, Bluetooth, LoRa, sub-GHz RF, NFC, 125kHz RFID, and IR. These features make it very suitable for wireless testing, embedded hardware debugging, real-time control, electronics development, and retro gaming, with support for Adafruit Fruit Jam, PICO-8, and Doom. FREE-WILi 2 specifications: Compute Main MCUs - 2x Raspberry Pi RP2350B (One for main controls, one dedicated to display) SoM - Raspberry [...] The post FREE-WILi 2 portable hacking multitool features two RP2350 MCUs, ESP32-C5, ICE40 FPGA, and Raspberry Pi CM0 appeared first on CNX Software - Embedded Systems News.

## ESP32 Bit Pirate: a multi-protocol workbench built on the ESP32-S3

DevFeed: [ESP32 Bit Pirate: a multi-protocol workbench built on the ESP32-S3](<https://devfeed.tech/articles/esp32-bit-pirate-a-multi-protocol-workbench-built-on-the-esp32-s3-13788.md>)

Original publisher: [Read original article](<https://developer.espressif.com/blog/2026/08/esp32-bit-pirate/>)

Author: John Lee

Published: 2026-08-20T00:00:00Z

Content type: article

Language: en

Sources: [Blog on Developer Portal](<https://devfeed.tech/sources/blog-on-developer-portal.md>)

Topics: [ESP32-S3](<https://devfeed.tech/topics/esp32-s3.md>), [Embedded Software Dev](<https://devfeed.tech/topics/embedded-software-dev.md>), [Hardware](<https://devfeed.tech/topics/hardware.md>), [Command-line interface](<https://devfeed.tech/topics/cli.md>), [ESP32-C5](<https://devfeed.tech/topics/esp32-c5.md>), [Scripting](<https://devfeed.tech/topics/scripting.md>), [Open Source](<https://devfeed.tech/topics/open-source.md>), [Python](<https://devfeed.tech/topics/python.md>)

Tags: [2](<https://devfeed.tech/tags/2.md>), [ble](<https://devfeed.tech/tags/ble.md>), [blog](<https://devfeed.tech/tags/blog.md>), [bridging](<https://devfeed.tech/tags/bridging.md>), [cli](<https://devfeed.tech/tags/cli.md>), [community-contribution](<https://devfeed.tech/tags/community-contribution.md>), [debugging](<https://devfeed.tech/tags/debugging.md>), [development-board](<https://devfeed.tech/tags/development-board.md>), [esp32](<https://devfeed.tech/tags/esp32.md>), [esp32-c5](<https://devfeed.tech/tags/esp32-c5.md>), [esp32-s3](<https://devfeed.tech/tags/esp32-s3.md>), [firmware](<https://devfeed.tech/tags/firmware.md>), [hardware](<https://devfeed.tech/tags/hardware.md>), [open-hardware](<https://devfeed.tech/tags/open-hardware.md>), [open-source](<https://devfeed.tech/tags/open-source.md>), [python](<https://devfeed.tech/tags/python.md>), [scripting](<https://devfeed.tech/tags/scripting.md>), [tooling](<https://devfeed.tech/tags/tooling.md>), [usb](<https://devfeed.tech/tags/usb.md>), [wi-fi](<https://devfeed.tech/tags/wi-fi.md>)

### AI overview

ESP32 Bit Pirate turns an ESP32-S3 into a scriptable multi-protocol workbench. The article describes its firmware, more than twenty wired and wireless modes, serial and web-based interfaces, Python scripting, and companion open-hardware projects including an ESP32-C5 radio adapter and a carrier dock.

### Source excerpt

ESP32 Bit Pirate turns an ESP32-S3 into a scriptable multi-protocol workbench with more than twenty modes, a web and serial CLI, and dump and sniff tooling. This article walks through the firmware and the two open-hardware companions that extend it: a carrier dock with selectable 1.8 V, 3.3 V and 5 V level translation, and an ESP32-C5 adapter that adds a dual-band radio.

## How we turned the Replay keynote surprise into an open-source embedded playground

DevFeed: [How we turned the Replay keynote surprise into an open-source embedded playground](<https://devfeed.tech/articles/how-we-turned-the-replay-keynote-surprise-into-an-open-source-embedded-playground-35873.md>)

Original publisher: [Read original article](<https://temporal.io/blog/how-we-turned-replay-keynote-surprise-open-source-embedded-playground>)

Author: Shy Ruparel

Published: 2026-05-26T00:00:00Z

Content type: article

Language: en

Sources: [Temporal Blog](<https://devfeed.tech/sources/temporal-blog.md>)

Topics: [Open Source](<https://devfeed.tech/topics/open-source.md>), [Embedded Systems](<https://devfeed.tech/topics/embedded-systems.md>), [ESP32-S3](<https://devfeed.tech/topics/esp32-s3.md>), [MicroPython](<https://devfeed.tech/topics/micropython.md>), [kicad](<https://devfeed.tech/topics/kicad.md>)

Tags: [embedded](<https://devfeed.tech/tags/embedded.md>), [embedded-systems](<https://devfeed.tech/tags/embedded-systems.md>), [esp32-s3](<https://devfeed.tech/tags/esp32-s3.md>), [kicad](<https://devfeed.tech/tags/kicad.md>), [micropython](<https://devfeed.tech/tags/micropython.md>), [open-hardware](<https://devfeed.tech/tags/open-hardware.md>), [open-source](<https://devfeed.tech/tags/open-source.md>), [temporal-voices](<https://devfeed.tech/tags/temporal-voices.md>)

### AI overview

Temporal describes how it designed and distributed 2,000 hackable ESP32-S3 badges at Replay and then released the badge's firmware, hardware designs, fabrication files, documentation, tools, examples, and community app infrastructure as an open-source ecosystem.

### Source excerpt

We handed out 2,000 tiny hackable computers at Replay. Now the whole ecosystem is open source. Here's the story of how we built and shipped them.

## Genesis IoT Discovery Lab - A Plug-and-Play Classroom Built on ESP32-S3

DevFeed: [Genesis IoT Discovery Lab - A Plug-and-Play Classroom Built on ESP32-S3](<https://devfeed.tech/articles/genesis-iot-discovery-lab-a-plug-and-play-classroom-built-on-esp32-s3-13706.md>)

Original publisher: [Read original article](<https://developer.espressif.com/blog/2025/06/modular-esp32s3-prototyping-platform-genesis/>)

Author: John Lee

Published: 2025-06-27T00:00:00Z

Content type: article

Language: en

Sources: [Blog on Developer Portal](<https://devfeed.tech/sources/blog-on-developer-portal.md>)

Topics: [ESP32-S3](<https://devfeed.tech/topics/esp32-s3.md>), [Internet of things](<https://devfeed.tech/topics/iot.md>), [Hardware](<https://devfeed.tech/topics/hardware.md>), [Arduino](<https://devfeed.tech/topics/arduino.md>), [MicroPython](<https://devfeed.tech/topics/micropython.md>), [CircuitPython](<https://devfeed.tech/topics/circuitpython.md>), [ESP-IDF](<https://devfeed.tech/topics/esp-idf.md>), [cross-platform](<https://devfeed.tech/topics/cross-platform.md>), [Crowd Supply](<https://devfeed.tech/topics/crowd-supply.md>)

Tags: [announcement](<https://devfeed.tech/tags/announcement.md>), [arduino](<https://devfeed.tech/tags/arduino.md>), [blog](<https://devfeed.tech/tags/blog.md>), [circuitpython](<https://devfeed.tech/tags/circuitpython.md>), [cross-platform](<https://devfeed.tech/tags/cross-platform.md>), [crowd-supply](<https://devfeed.tech/tags/crowd-supply.md>), [education](<https://devfeed.tech/tags/education.md>), [esp-idf](<https://devfeed.tech/tags/esp-idf.md>), [esp32-s3](<https://devfeed.tech/tags/esp32-s3.md>), [genesis](<https://devfeed.tech/tags/genesis.md>), [hardware](<https://devfeed.tech/tags/hardware.md>), [iot](<https://devfeed.tech/tags/iot.md>), [micropython](<https://devfeed.tech/tags/micropython.md>), [modular](<https://devfeed.tech/tags/modular.md>), [modular-hardware](<https://devfeed.tech/tags/modular-hardware.md>), [open-hardware](<https://devfeed.tech/tags/open-hardware.md>), [prototyping](<https://devfeed.tech/tags/prototyping.md>)

### AI overview

Genesis IoT Discovery Lab is a modular, open-hardware prototyping kit built around the ESP32-S3-WROOM-1-N8R2. It uses standardized AX22 ports and snap-in modules for hands-on learning, classroom projects, and portable experimentation.

### Source excerpt

Genesis turns the ESP32-S3 into a modular playground with snap-in AX22 modules for prototyping, teaching, and creative hardware experimentation.

## PINE64 explores LoRa for peer-to-peer and group text communication

DevFeed: [PINE64 explores LoRa for peer-to-peer and group text communication](<https://devfeed.tech/articles/let-s-make-mirakles-happen-34840.md>)

Original publisher: [Read original article](<https://pine64.org/2021/05/06/lets-make-mirakles-happen/>)

Published: 2021-05-06T00:00:00Z

Content type: opinion

Language: en

Sources: [Community blog on PINE64](<https://devfeed.tech/sources/community-blog-on-pine64.md>)

Topics: [lora](<https://devfeed.tech/topics/lora.md>), [Internet of things](<https://devfeed.tech/topics/iot.md>), [P2P](<https://devfeed.tech/topics/p2p.md>), [Messaging](<https://devfeed.tech/topics/messaging.md>), [gateway](<https://devfeed.tech/topics/gateway.md>), [Pinephone](<https://devfeed.tech/topics/pinephone.md>), [Hardware](<https://devfeed.tech/topics/hardware.md>)

Tags: [communication](<https://devfeed.tech/tags/communication.md>), [gateway](<https://devfeed.tech/tags/gateway.md>), [iot](<https://devfeed.tech/tags/iot.md>), [lora](<https://devfeed.tech/tags/lora.md>), [open-hardware](<https://devfeed.tech/tags/open-hardware.md>), [peer](<https://devfeed.tech/tags/peer.md>), [pine64](<https://devfeed.tech/tags/pine64.md>), [pinephone](<https://devfeed.tech/tags/pinephone.md>), [rakwireless](<https://devfeed.tech/tags/rakwireless.md>)

### AI overview

PINE64 describes plans to explore LoRa for peer-to-peer and group text communication, including potential end-nodes for its SBCs, Pinebook Pro, PineTab and PinePhone. The project involves RAKwireless gateways and is still partly conceptual.

### Source excerpt

Many of you are already aware that we are very interested in LoRa®. We hope to use the technology for both traditional IoT applications as well as in less orthodox ways, such as peer-to-peer text communication and even group text-messaging. This novel application potential is of particular interest to us, and in the coming months we will encourage developers to explore LoRa's® viability as a text communication alternative to GSM/CDMA and LTE. We're doubling down on LoRa® even at this early stage, so you can expect to see end-nodes for our SBCs, the Pinebook Pro, PineTab and PinePhone available in the Pine Store shortly. Indeed, we hope for LoRa® to become a staple of PINE64. Group messaging over LoRa® is only conceptually plausible at the moment, but thankfully we're not walking into this blindly or alone. We've been talking to the good folks over at RAKwireless about our ideas, and they've been both interested in what we had to say and very helpful in getting us started. For those of you who do not know, RAKwireless is an industry leading IoT solutions provider, producing high-end LoRa® gateways, sensors, kits and, of course, also gateway modules. Both our indoor and outdoor gateways, which are at the very heart of the system, will be using RAKwireless technology. We're thrilled that we're going to have an opportunity to work with RAKwireless and their community on this project. "We are driven by innovation, open hardware, and community work, and that's exactly what PINE64 brings to our company. Most members of the RAKStars community recognize LoRa as part of the development of IoT devices, however, PINE64 sees LoRa differently. With the power coming from both companies, we will enable people from all over the world to use LoRa technology in innovative ways, and most importantly, to deliver secure text communication." - Maria Hernandez Thanks to the work of RTP from Privacy & Tech Tips, our gateways are already fully functional, and the setup process is as simple a