Cherry Pi PC SBC
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Cherry Pi PC SBC is an Orange Pi PC clone selling for $16.5 and up

Orange Pi PC is an Allwinner H3 SBC that was launched in 2015 for as little as $15 plus shipping (now $17.42 with 1 GB RAM), and made by a company called Shenzhen Xunlong Software. The next year, the company launched Orange Pi PC Plus with 8GB eMMC flash and WiFI connectivity for $20 (now $25.54). It appears another company named “Shenzhen LC Technology” has designed a board with similar specifications & layout, so not technically a clone, but close enough. Meet Cherry Pi SBC. Cherry Pi PC V7 SBC specifications with highlights in bold or strikethrough showing the differences with Orange Pi PC: SoC – Allwinner H3 quad-core Cortex A7 processor with an Arm Mali-400MP2 GPU System Memory – 512MB or 1GB DDR3 Storage – MicroSD card slot up to 64GB, optional 8GB eMMC flash, Video Output – HDMI 1.4 and AV ports Audio I/O – HDMI, AV port, […]

Maker Pi Pico First Boot
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Maker Pi Pico STEM board mini review with CircuitPython

In my early list of third-party Raspberry Pi RP2040 boards, I shortly mentioned Cytron Maker Pi Pico baseboard for Raspberry Pi Pico that exposes all pins via female headers, includes LEDs for all GPIOs pin, six Grove connectors, three user push-buttons, one RGB LED, a piezo buzzer, an audio jack, a MicroSD card, and an ESP-01 socket to add WiFi connectivity. The beta version sold for $5, and at the time I missed that included Raspberry Pi Pico board as well, so basically you got a free baseboard. The Malaysian company has now sent me a review sample to play around with, so let’s have a closer at the hardware and code samples for the board. Maker Pi Pico Unboxing and Specifications I received the board in Cytron package together with a pinout diagram for Raspberry Pi Pico, and we can see the latter is already soldered to Maker Pi […]

Graperain Samsung, Rockchip RK3588, and Qualcomm CPU modules, SBCs, and carrier boards
Kodi 19 add-ons
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Kodi 19 “Matrix” released with AV1, HDR, tvOS support

Kodi is an open-source media center that was initially designed for the XBOX game console, but was quickly ported to other platforms such as Windows and Linux, and eventually to low-cost Android TV boxes and single board computers such as Raspberry Pi. A new stable release of the software comes out every couple of years, and the developers have just announced the release of Kodi 19 “Matrix” a little over two years after Kodi 18 “Leia” release. The default user interface may look similar to the one for Kodi 18, but there have been many changes over the last two years with some of the highlights including: Skin/Look-and-Feel Screen redesign, especially for music with new metadata displays and changes to playlist views New “now playing” view Artwork and image file improvements Video Playback AV1 software decoding Windows 10 – HLG HDR and static HDR10 playback Android – Static HDR10 and […]

Olimex ESP32-S2 LiPo USB Boards
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LiPo battery powered Olimex boards use ESP32-S2’s USB OTG interface

Last year, Olimex introduced ESP32-S2-DevKit-LiPo and ESP32-S2-WROVER-Devkit-LiPo boards optimized for battery-powered applications with as little as 30uA deep sleep power consumption. ESP32-S2 processor comes with a USB OTG interface, but at the time, Espressif Systems ESF-IDF SDK did not support programming via the built-in USB interface, so Olimex added CH340T USB to serial converter for programming. The good news is that the SDK can now support USB programming without an external chip, so the company designed new versions of the boards without a USB to serial chip with namely ESP32-S2-DevKit-LiPo-USB and ESP32-S2-WROVER-Devkit-LiPo-USB boards. The specifications are basically the same as previously except for the removal of the USB to serial chip, support for USB OTG, and even lower power consumption: Wireless module: ESP32-S2-DevKit-LiPo – ESP32-S2-WROOM with Espressif ESP32-S2 single-core 32-bit LX7 microprocessor up to 240 MHz with  128 KB ROM, 320 KB SRAM, 16 KB SRAM in RTC, 4MB SPI […]

MaaXBoard Nano SBC
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MaaXBoard Nano SBC targets audio and edge IoT with NXP i.MX 8M Nano SoC

Avnet has launched several Raspberry Pi-inspired MaaXBoard SBCs based on NXP i.MX processors through their Embest subsidiary starting in 2019 with MaaXBoard single board computer powered by an NXP i.MX 8M processor, and following by MaaxBoard Mini with NXP i.NX 8M Mini SoC in 2020. The latest model is MaaXBoard Nano SBC with an NXP i.MX 8M Nano quad-core Cortex-A53 processor best suited to audio and edge IoT applications. MaaxBoard Nano SBC specifications: SoC – NXP i.MX 8M Nano quad-core Arm Arm Cortex-A53 processor @ up to 1.5GHz with Cortex-M7F core @ 750MHz, 2D GPU, 3D GPU, but no video hardware decoding. System Memory -1GB DDR4 SDRAM Storage – 16GB eMMC flash, 256 Mbit QSPI Flash, MicroSD Slot Display  Interface – MIPI DSI display Interface Audio – 3.5mm audio jack, 4x built-in microphones Camera I/F – MIPI CSI Camera Interface Networking – Gigabit Ethernet, 802.11 b/g/n/ac WiFi 5, Bluetooth 4.2/5 […]

NUCLEO-G491RE board
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New STMicro STM32G4 MCUs target cost-effective motor control systems with up to 512KB flash

STMicro introduced the STM32G4 family of mixed-signal microcontrollers in May 2019 for e-mobility (e.g. e-bikes), digital power supplies, advanced motor controls, lighting, and building-automation products. The Arm Cortex-M4 based microcontrollers clock up to 170 MHz, and include new hardware mathematical accelerators to boost processing of applications using Cordic (Coordinate Rotation Digital Computer) and Filtering functions to support increased performance and energy efficiency. This enables faster and more efficient calculations for energy-saving motor controls and frees up the core to receive more sensor data and control additional user functions. The STM32G4 Series of mixed-signal microcontrollers have three lines of products: The STM32G4x1 Access line – general-purpose microcontrollers with an entry-level set of analog peripherals The STM32G4x3 Performance line – general-purpose microcontrollers with the maximum number of analog peripherals The STM32G4x4 Hi-resolution line with high-resolution timer and complex waveform builder plus event handler (HRTIM) for digital power conversion, such as digital switched-mode […]

Rockchip RK3568, RK3588 and Intel x86 SBCs and SoMs in 2025
Ready Model 100 Raspberry Pi SBC Computer Shell
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Ready! Model 100 is a retro computer shell for Raspberry Pi, SBCs, Nano/Pico-ITX boards (Crowdfunding)

We recently wrote about Devterm, a modular, retro-looking portable computer that looks like a typewriter with an extra-wide display, and takes Raspberry Pi CM3-series modules, or other compatible modules made by Clockwork based on Rockchip RK3399 or Allwinner H6. If you’re into this kind of device, but would like to use your own Raspberry Pi,  another SBC,  an Intel NUC motherboard, a Nano/Pico-ITX board, or even your smartphone, Ready! Model 100 single board computer expansion system may be worth looking into. Ready! Model 100 key features and specifications: Compatibility – Accommodates any hardware using 5V or 12V power input including smartphones, or arm or x86 SBCs such as Raspberry Pi 4, and compact motherboard following NUC, 4×4, 5×5, or Nano/Pico ITX form factors. Storage – Space for SSD Display – 8.8-inch 1920×480 “3xVGA” HDMI Touchscreen Video Output – HDMI (if dual HDMI supported on SBC) Audio – 10W stereo speaker […]

ATX power supply ESP8266 board
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ESP8266 board with 24-pin ATX connector drives RGB LED strips

“Adding Open Hardware to Open Software for a More Equitable IoT” talk at FOSDEM 2021 discussed the importance of open-source hardware and software for IoT devices, notably to avoid getting a brick after the cloud service is suddenly terminated. Adrian McEwen then specifically talked about his “My Baby’s Got LED” ESP8266 open-source hardware board powered by… a USB charger? nope. A battery? You’ve got to be kidding. Instead, the ESP8266 board is equipped with an ATX connector taking a standard power supply found in PC towers and desktops. But why? That’s because the board is designed to control a string of Neopixels/WS2812 RGB LED’s, and a 500W ATX power supply can power up to 500 lights. MCQN’s “My Baby’s Got LED” board specifications: Wireless module – ESP-WROOM-02 ESP8266 module with WiFi 4 connectivity LED strip connector – 4-pin terminal block Expansion – 2x 9-pin unpopulated 2.54mm pitch header for easy […]

Boardcon LGA3576 Rockchip RK3576 System-on-Module designed for AI and IoT applications