Raspberry Pi RP2350 News - CNX Software

November 3, 2025November 3, 2025 by Jean-Luc Aufranc (CNXSoft) - 2 Comments

HackBEE is a Raspberry Pi RP2350 USB-C dongle for developers (Crowdfunding)

Hack the Board’s HackBEE is a tiny programmable USB-C dongle and development platform powered by the Raspberry Pi RP2350 Arm Cortex-M33/Hazard3 RISC-V microcontroller. It supports USB host and device modes, has side buttons, and includes a multi-color RGB LED for feedback. The device can be used as a programmable HID device (keyboard/mouse/media controller), a USB host or device for testing and prototyping, an automation tool for repetitive tasks, a compact input emulator, or a teaching tool for C/C+, MicroPython, and embedded systems education. HackBEE specifications: MCU – Raspberry Pi RP2350A CPU Dual-core Arm Cortex-M33 @ 150 MHz with Arm Trustzone, Secure boot OR Dual-core RISC-V Hazard3 @ 150 MHz Either two cores can be used. Memory – 520 KB on-chip SRAM Package – QFN-60 Storage – Not disclosed USB – 1x USB Type-C host/device port Security – Arm TrustZone for Cortex-M33 cores, optional boot signing (OTP), protected OTP storage, SHA-256 […]

October 19, 2025October 18, 2025 by Debashis Das - 7 Comments

RP2350 Tiny and Tiny XL boards clone Solder Party’s RP2350 stamp layouts at nearly half the price

While searching Aliexpress, I stumbled upon the RP2350 Tiny and Tiny XL, both of which are RP2350-based low-cost stamp-size development boards that look exactly like the Solder Party’s “RP2350 Stamp” modules, but are available at nearly half the price. Both modules feature the Raspberry Pi RP2350 dual-core Arm Cortex-M33 microcontroller and an integrated LiPo charging circuitry. The RP2350 Tiny offers 30x GPIOs, while the larger RP2350 Tiny XL breaks out 48x GPIOs, adds PSRAM, and includes SWD/UART JST connectors. Key interfaces include USB host/device, UART, SPI, I²C, PWM, ADC, and PIO state machines, along with Secure Boot and Arm TrustZone. These features make this board suitable for rapid prototyping and testing with CircuitPython support. RP2350 Tiny and Tiny XL specifications: Microcontroller RP2350 Tiny – Raspberry Pi RP2350A MCU, QFN-60; 7×7 mm RP2350 Tiny XL – Raspberry Pi RP2350B MCU,QFN-80; 10×10 mm Memory – 520KB internal RAM, 8KB OTP storage Storage – 16MB […]

September 29, 2025November 2, 2025 by Debashis Das - No Comments

Olimex RP2350-PICO2 open hardware boards expose all 48 GPIOs for breadboard prototyping

Olimex RP2350 PICO2 BB48 Open Source Development Board

Olimex RP2350-PICO2-BB48 and RP2350-PICO2-BB48R open hardware development boards are built around the Raspberry Pi RP2350B MCU, and expose all 48 GPIOs in a 0.6-inch dual-inline PCB layout. Compared to the earlier PICO2-XL and PICO2-XXL boards, this new board features a breadboard-friendly design with options for PSRAM and microSD on the BB48R version. Other features include USB-C power/data, BOOT and RESET buttons, a 2A 3.3V regulator, UEXT and Qwiic/Stemma connectors, status LED, and debug pads. With pre-soldered headers, it can be plugged directly into a breadboard, making it ideal for DIY projects, IoT, retro computing, and hardware prototyping. Olimex RP2350-PICO2-BB48 and RP2350-PICO2-BB48R specifications: MCU – Raspberry Pi RP2350B CPU Dual-core Arm Cortex-M33 @ 150 MHz with Arm Trustzone, Secure boot OR Dual-core RISC-V Hazard3 @ 150 MHz Either two cores can be used. Memory – 520 KB on-chip SRAM Package – QFN-80 Memory – 8 MB external QSPI PSRAM (only on […]

August 27, 2025August 30, 2025 by Debashis Das - No Comments

Adafruit Fruit Jam – An RP2350 mini computer running classic Macintosh

The Adafruit Fruit Jam is a credit card-sized RP2350-powered mini computer that is designed to run classic Macintosh through the uMac emulator. It supports System 2.0 up to System 7.5.5, 720p video via DVI, audio, and USB keyboard and mouse. Built around the Raspberry Pi RP2350 MCU, the Fruit Jam board also features an ESP32-C6 wireless module and offers DVI output via the RP2350’s HSTX interface, USB-C for bootloading, a microSD card slot for storage, and an onboard TLV320DAC3100 I2S audio DAC for stereo headphones and a mono speaker. There’s also a 16-pin GPIO header, NeoPixels LEDs, tactile switches, and STEMMA QT and JST connectors for expansion. These features make this board suitable for retro emulation, educational projects, and lightweight standalone computing. Adafruit Fruit Jam specifications: Microcontroller – Raspberry Pi RP2350B CPU Dual-core Arm Cortex-M33 @ 150 MHz with Arm Trustzone, Secure boot OR Dual-core RISC-V Hazard3 @ 150 MHz […]

August 26, 2025August 26, 2025 by Debashis Das - No Comments

Waveshare RP2350-Matrix board features 8×8 WS2812 RGB LED matrix, 6-axis IMU, Dout pin for more LEDs

Waveshare’s RP2350-Matrix is a Raspberry Pi RP2350A-powered LED matrix board featuring 64 RGB LEDs (8×8 RGB matrix), a built-in 6-axis IMU, and a Dout pin in case the user needs even more LEDs. The RP2350-Matrix also includes 25 GPIOs along with 12 PIO state machines for custom peripheral support, an on-chip temperature sensor, accurate hardware timers, and support for low-power sleep and dormant modes. It comes with a USB Type-C port for power and programming via USB 1.1 device/host, and an onboard 800mA LDO regulator for stable power delivery. These features make this board suitable for motion sensing and visual feedback. Waveshare RP2350-Matrix Specifications: SoC – Raspberry Pi RP2350A CPU Dual-core Arm Cortex-M33 @ 150 MHz with Arm Trustzone, Secure boot OR Dual-core RISC-V Hazard3 @ 150 MHz Up to two cores can be used in any combination Memory – 520 KB on-chip SRAM Package – QFN-60 Storage – 16 MB […]

August 19, 2025August 19, 2025 by Debashis Das - No Comments

Pico2-Ice development board combines Raspberry Pi RP2350B with Lattice iCE40UP5K FPGA

pico2 ice Raspberry Pi RP2350B + iCE40UP5K FPGA development baord

tinyVision.ai has recently released the second-generation ot its open-source hardware pico-ice FPGA development board, upgrading the Raspberry Pi RP2040 to the newer RP2350B along with dedicated user LEDs and buttons for both the MCU and the FPGA. The Pico2-Ice also exposes the RP2350B’s HSTX interface through a 22-pin connector, while keeping the same Lattice iCE40UP5K FPGA. The onboard iCE40UP5K FPGA features 5.3k LUTs, 1 MB SPRAM, and 120 KB DPRAM, along with 4MB SPI flash and 8MB low-power PSRAM. The board also exposes all RP2350 pins and 32 FPGA GPIOs via 2.54mm pitch headers in Pmod format. It includes two RGB LEDs and two pushbuttons (separately mapped to the MCU and the FPGA), and integrates onboard 3.3V/1.2V regulators for power. These features make this board suitable for exploring HDLs, embedded systems, and FPGA programming with open-source tools. Pico2-Ice specifications: Microcontroller – Raspberry Pi RP2350B MCU CPU – Dual-core Arm Cortex-M33 processor @ […]

July 29, 2025July 29, 2025 by Jean-Luc Aufranc (CNXSoft) - 1 Comment

Raspberry Pi RP2350 A4 stepping fixes E9 GPIO Erratum, glitching bugs, introduces 2MB flash variants

The Raspberry Pi RP2350 dual-core Arm/RISC-V has gotten a new version – A4 stepping – addressing bugs and security vulnerabilities, notably the infamous E9 GPIO erratum and glitching bugs in the A2 stepping identified by the 2024 Hacking Challenge. Both RP2350A and RP2350B variants will benefit from the new stepping and be marked RP2350A0A4 and RP2350B0A4, respectively. The company also announced the availability of the 2MB flash variants, the RP2354A and RP2354B (unveiled in March 2025), that do not require flash on the board. RP2350 A4 stepping highlights: Fixes Glitching bugs identified in the 2024 Hacking Challenge. Exploits required physical access to the chip. The E9 GPIO erratum related to GPIO pull-ups. A4 stepping is a drop-in replacement for the earlier A2 stepping. 5V-tolerant GPIOs; Note: the chip must remain powered while 5V IOs are used (See updated datasheet for details) RP2354A and RP2354B variants with 2MB of stacked-in-package QSPI […]

July 11, 2025 by Jean-Luc Aufranc (CNXSoft) - 1 Comment

Industrial 6-Channel RP2350 relay module offers RS485 interface, Raspberry Pi Pico HAT support

Waveshare RP2350-Relay-6CH is a Raspberry Pi RP2350-based industrial 6-channel relay module with an isolated RS485 interface, 7 to 36V DC input via a terminal block, and support for Raspberry Pi Pico HATs. Each relay is isolated and can handle 250VAC/30VDC up to 10A, a USB-C port is used for firmware updates, and the module also includes a buzzer, a few LEDs, as well as Reset and BOOT buttons, with everything housed in a DIN-Rail enclosure. Waveshare RP2350-Relay-6CH specifications: Microcontroller – Raspberry Pi RP2350B CPU Dual-core Arm Cortex-M33 @ 150 MHz with Arm Trustzone, Secure boot OR Dual-core RISC-V Hazard3 @ 150 MHz Either two cores can be used. Memory – 520 KB on-chip SRAM Package – QFN-80 Relay – 6x relays Contact rating – ≤10A 250VAC/30VDC Contact form – 1NO 1NC via screw terminals Optocoupler isolation USB – USB Type-C port for power, data, and firmware flashing Serial Isolated RS485 […]