M5Stack Stamp-C5 – A Tiny ESP32-C5 USB-C board/module with up to 19 GPIO, 3.7V battery support

M5Stack Stamp-C5, also known as the M5Stamp-C5, is a tiny wireless IoT USB-C board based on the Espressif ESP32-C5 RISC-V microcontroller with dual-band WiFi 6, Bluetooth LE, and 802.15.4 (Zigbee/Thread) connectivity. Despite its small size (19.1 x 17.6mm), the module exposes up to nineteen GPIO pins, eleven on standard 2.54mm pitch headers and castellated holes, and eight on an FPC extension connector. The board also supports battery charging and ships with an external IPEX antenna for wireless connectivity, since there’s no built-in antenna. M5Stack Stamp-C5 specifications: Wireless MCU –  Espressif Systems ESP32-C5HF4 CPU Single-core 32-bit RISC-V processor @ up to...

«Сезам». Мини-АТС советской эпохи

Приветствую всех!

Когда-то давно я уже рассказывал про такой артефакт из конца восьмидесятых как домофон «Сезам» с тремя ручками. Несмотря на то, что сегодняшний девайс никак не связан с домофонами, он имеет к тому устройству самое прямое отношение.

Итак, сегодня мы рассмотрим и заставим работать неизвестную советскую мини-АТС. Узнаем, при чём тут вообще домофоны, выясним, кто производил эти устройства и посмотрим на всё это в действии. Как водится, будем много интересного.

Tampere University Joins OpenTitan Coalition to Advance RISC-V SoC Security and Open-Source Silicon Research

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Open Book Touch – A DRM-free, WiFi-connected 4.26-inch open-source hardware e-reader (Crowdfunding)

Oddly Specific Objects has launched a crowdfunding campaign for the Open Book Touch, an ESP32-S3-based e-reader with a 4.26-inch e-paper display with 480 x 800 resolution and a capacitive touch screen. The open-source hardware device comes with 16 MB flash, 8MB PSRAM, a frontlight with warm and cool LEDs, a microSD card for storage, and an 800 mAh user-replaceable LiPo battery with everything housed in a 3D printed enclosure. Open Book Touch specifications: SoC – Espressif Systems ESP32-S3 dual-core MCU with Wi-Fi and Bluetooth LE connectivity Memory – 8 MB octal SPI PSRAM Storage 16 MB quad SPI flash MicroSD...

Makerfabs MaUWB for Home Assistant – An ESP32-S3 UWB module with PoE and enclosure

Makerfabs MaUWB for Home Assistant is an ESP32-S3-based Ultra-Wideband (UWB) module designed for indoor positioning and Real-Time Location Systems (RTLS). It runs ESPHome for Home Assistant integration, enabling it to be used as part of a UWB-based positioning system to track tagged devices in homes, offices, and other indoor environments. The module combines an ESP32-S3 with a MaUWB UWB module based on the Qorvo DW3000, featuring a PA/LNA for long-range ranging. Compared to the earlier ESP32-S3 version, it drops the OLED and adds a WIZnet W5500 Ethernet controller that supports PoE. The module also supports Wi-Fi 4 and Bluetooth 5.0, and...

Norik Systems introduces nRF9151-based USB Dongle for DECT NR+ deployments

Norik Systems has developed a compact USB dongle based on Nordic Semiconductor’s nRF9151 SiP, mostly designed to work as a DECT NR+ child node or a USB-powered gateway. As a reminder, DECT NR+ is a non-cellular 5G standard for long-range low-power applications that works at 1.9 GHz and supports up to one million nodes through mesh, star, and point-to-point topologies. The Norik USB dongle enables developers to easily add DECT NR+ to gateways or child modes. Norik Systems DECT NR+ USB dongle specifications: Wireless System-in-Package – Nordic Semi nRF9151 CPU – Arm Cortex-M33 @ 64 MHz Memory – 256KB RAM...

The Special Value Pi 4 was extremely short-lived

The 'Special Value' Pi 4 pictured above is probably the rarest Raspberry Pi I own—even rarer than my blue special edition Pi.

A Raspberry Pi reseller briefly listed a special 'value edition' Pi 4. But the product page 404's now. While it was up, my curiosity got the better of me, and now I have two 'value' Pi 4s.

What makes them a 'value'? They're only certified to run at 1.25 GHz (retail Pi 4s run at 1.8 GHz, and can usually be overclocked).

LILYGO showcases new IoT devices with ESP32-C5 and Nordic nRF52840 MCUs

LILYGO has listed two compact development boards for wireless IoT applications: the T-Display C5, a small ESP32-C5-based board with a color LCD and dual-band Wi-Fi 6, and the T-Echo Card, a rugged LoRa-enabled device with GNSS, Bluetooth, NFC, solar charging, and an IP66-rated enclosure. The LILYGO T-Display C5 is built around the ESP32-C5, providing 2.4GHz […]

WINSYSTEMS SBC-477 PowerTier Series delivers Raptor Lake performance in a rugged SBC design

WINSYSTEMS’ SBC-477 PowerTier Series is a family of compact rugged single board computers for industrial and MIL/COTS applications, combining 13th Gen Intel Core Raptor Lake processors with DDR5 memory, dual Ethernet, Mini PCIe expansion, TPM 2.0 security, and extended-temperature operation. The SBC-477 PowerTier Series is based on 13th Gen Intel Core Raptor Lake hybrid processors, […]

Turning the ESP32-CAM-8MB into a Smart Security Camera for Home Assistant

The ESP32-CAM-8MB is one of those boards that looks like a toy and behaves like a small IP camera: an ESP32-D0WD-V3 module, an OV2640 2MP sensor, 8MB of PSRAM and 4MB of flash, a microSD slot, and a WiFi/BLE radio, all for a few euros. On its own it can already stream video to your […]