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June 26, 2026July 9, 2026

Discounted 1.25 GHz Raspberry Pi 4 Model B shows up online

Cytron is currently selling a Raspberry Pi 4 Model B “Special Value Board” with 4GB or 8GB of RAM, whose unique feature is to be clocked at 1.25 GHz instead of 1.8 GHz. The Raspberry Pi 4 initially launched with a 1.5 GHz BCM2711 SoC in 2019, but all recent boards are upgraded to the BCM2711C0 clocked at 1.8 GHz, first found in the Raspberry Pi 400 keyboard PC. So that 1.25 GHz version is odd, let’s check it out. Raspberry Pi 4 “Special Value Board” specifications: SoC – Broadcom BCM2711C0 quad-core Cortex-A72 (ARMv8) @ 1.25 GHz max with VideoCore VI GPU supporting OpenGL ES 3.0 graphics System Memory – 4GB or 8GB LPDDR4-3200 Storage – microSD card slot Video Output & Display I/F 2x micro HDMI ports up to 4Kp60 (Currently 1080p60 max. in dual-display configuration, although 2x 4Kp30 is being worked on) 3.5mm AV port with composite video […]

June 24, 2026June 24, 2026

Visualize radio signals with Raspberry Pi 5-based QuadRF 4×4 MIMO software-defined radio tile (Crowdfunding)

QuadRF is a 4×4 MIMO software-defined radio (SDR) tile powered by a Raspberry Pi 5 SBC that functions as a real-time RF camera, allowing users to visualize radio signals in their environment using a phone or computer running an augmented reality app. QuadRF measures differences in signal arrival time using four coherent antennas and renders a live RF overlay directly on your phone or laptop at 30 FPS, letting you see RF signals from Wi-Fi devices, wireless cameras, smartphones, drones, beacons, and lab transmitters. QuadRF specifications: Compute & Signal Processing Raspberry Pi 5 SBC for onboard computation and control. Lattice ECP5 FPGA (LFE5U-45F-7BG256I) for distributed DSP and beamforming. Analog Devices MAX2850 (Upconvert) & MAX2851 (Downconvert) Mixers. 5.6 Gbit/sec MIPI data path between the RF FPGA and the Pi 5 Direct local processing on Pi 5 or network streaming for external processing. RF & Wireless 4x Rx / 4x Tx full-duplex […]

Optocam Zero – A Raspberry Pi Zero 2 W-based DIY digital camera

Inspired by Kodak Charmera and similar toy cameras, the Optocam Zero is a Raspberry Pi Zero 2 W-based DIY digital camera made of off-the-shelf components and 3D-printed parts. It connects the Pi Zero 2 W SBC with a Raspberry Pi Camera Module 3, a 1.3-inch LCD, a 14500 Li-Ion battery holder, and other components. The camera supports autofocus, eight photo filters, USB-C charging, and lasts 70 to 80 minutes on a charge. Optocam Zero camera key features: Based on Raspberry Pi Zero 2 W SBC Display 1.3-inch LCD with 240 x 240 resolution 15–20 FPS camera preview on the screen. Screen dimming when inactive to preserve battery Camera features 2592 x 2592 JPEG image capture. GIF recording and playback support. Autofocus support 8 photo filters included. Misc Image transfer through custom hotspot interface. Fully 3D printed case parts 3D printable TPU protective sleeve and lanyard design is available. 22-second boot […]

ESP32-P4 compute module Raspberry Pi CM5 form factor

June 17, 2026

SCINTIX P4 ESP32-P4 Compute Module works with (some) Raspberry Pi CM4/CM5 carrier boards (Crowdfunding)

SCINTIX P4 is an ESP32-P4 RISC-V Compute Module with an ESP32-C6 for wireless connectivity that’s compatible with Raspberry Pi CM4/CM5 carrier boards, at least partially. It should be the first MCU-based system-on-module in Raspberry Pi CM4/CM5 form factor, and RELOC says the SCINTIX P4 gives access to displays, cameras, Ethernet, USB, and all the peripherals the ESP32-P4 exposes when connected to a carrier board. It can also be programmed in standalone mode through its built-in USB Type-C port. SCINTIX P4 (RM-CMP4) specifications: SoC – Espressif Systems ESP32-P4NRW32X CPU Dual-core RISC-V @ 400 MHz with AI instruction extensions and single-precision FPU Single-core RISC-V LP (low-power) MCU @ up to 40 MHz GPU – 2D Pixel Processing Accelerator (PPA) VPU – H.264 and JPEG codecs support Memory – 768 KB HP L2MEM, 32 KB LP SRAM, 8 KB TCM, 32MB PSRAM Storage – 128 KB HP ROM, 16 KB LP ROM Storage […]

June 11, 2026

piBrick PocketCM5 – An open-source handheld Linux computer kit for Raspberry Pi CM5

Designed by Indonesian maker Ahmad Amarullah (amarullz), the piBrick PocketCM5 is an open-source hardware handheld Linux computer kit built around the Raspberry Pi CM5; it’s basically a smartphone-sized Linux machine with a physical keyboard and touchscreen. It is for developers, makers, and system administrators, for tasks such as general experimentation, embedded development, and remote access. We have seen other handheld terminals and pocket computers based on Raspberry Pi SBCs and Compute Modules over the years, such as the PocketTerm35, DevTerm, Carbon’s CyberT, Pi Slate, and many others. However, the piBrick PocketCM5 is based on the latest Raspberry Pi CM5 and features a 3.92-inch AMOLED touchscreen display, a physical BlackBerry QWERTY keyboard, and various expansion options. piBrick PocketCM5 specifications: Compatibility – Raspberry Pi Compute Module 5 (CM5 and CM5 Lite) Auxiliary MCU – Raspberry Pi RP2040 for keyboard/trackpad input, rotary encoders and buttons, USB HID (keyboard/mouse) emulation, and accelerometer data processing Storage […]

June 1, 2026July 16, 2026

Sixfab AI HAT+ for Raspberry Pi 5 integrates DEEPX DX-M1 AI accelerator

Sixfab has launched the AI HAT+ for Raspberry Pi 5, a PCIe HAT+ based on the DEEPX DX-M1 AI accelerator, which we also found in the DEEPX DX-AIPlayer, Mini DX-M1 SoM, and ALPON X5. Unlike the M.2 module used in the ALPON X5, the AI HAT+ has the accelerator soldered directly to the board. It connects to the Pi 5 via the PCIe FFC cable and draws power from the 40-pin header. The board is also available in 13 TOPS and 25 TOPS versions and is designed to run vision AI tasks such as object detection and segmentation locally on the Pi 5. Sixfab AI HAT+ specifications: Supported SBC – Raspberry Pi 5 AI Accelerator (one or the other): DEEPX DX-M1M with up to 25 TOPS (INT8), 1 GB LPDDR4X NPU memory DEEPX DX-M1ML with up to 13 TOPS (INT8), 512 MB LPDDR4X NPU memory Host Interface – PCIe Gen […]

June 1, 2026June 2, 2026

Waveshare RP2350B-Plus-W – A Raspberry Pi Pico 2 W-sized board with 41 GPIOs, 16MB flash, USB-C port

Waveshare RP2350B-Plus-W is a development board that follows the Raspberry Pi Pico 2 W form factor, but offers 41 GPIOs thanks to the RP2350B MCU, integrates 16 MB of flash, and includes a USB-C port. So, in several ways, it’s an upgrade over the RP2350A-based official board, which offers only 26 GPIOs via two 13-pin GPIO headers, 4MB of flash, and a micro USB port. Since it’s the same size, where do the extra GPIOs come from? Answer: The company simply added 15 pads to the bottom of the board, not quite as convenient since it’s requires soldering, but it does the job. Waveshare RP2350B-Plus-W specifications: SoC – Raspberry Pi RP2350B CPU Dual-core Arm Cortex-M33 @ 150 MHz with Arm Trustzone Dual-core RISC-V Hazard3 @ 150 MHz Only two cores can be used at any given time Memory – 520 KB on-chip SRAM Package – QFN-80 Memory – Footprint […]

May 29, 2026May 29, 2026

Petros CH32H417M Alef – A Raspberry Pi Pico-sized RISC-V USB 3.0 camera board

XPU Labs’ Petros CH32H417M Alef is a Raspberry Pi Pico-sized board based on the WCH CH32H417M RISC-V USB 3.0 microcontroller and taking a 2MP OV2640 camera module through the MCU’s digital image interface (DVP). The board comes with 896KB SRAM and 960KB Flash from the WCH microcontroller, two 20-pin GPIO headers following the Raspberry Pi Pico’s pinout, a 6-pin SWD and UART6 header for debugging, and a Reset button. Petros CH32H417M Alef specifications: MCU – WCH CH32H417MEQ6 MCU QingKe RISC-V5F up to 400 MHz QinKe RISC-V3F up to 144 MHz GPU – Graphics Processing Hardware Accelerator GPHA Memory – 896KB SRAM Storage – 960KB Flash Camera I/F – 40-pin B2B connector with DVP @ 144MHz, SPI, I2C and ADC interfaces for 2MP Phos Ayin OV2640 camera module USB – 1x USB 3.0 Type-A port (5Gbps, tested up to 430 MB/s) for data, power, and firmware flashing Debugging – 6-pin SWD and […]