SwiftIO Circuit Playground relies on Apple Swift programming for IoT projects (Crowdfunding)

SwiftIO Circuit Playground

A few years ago, Mad Machine introduced the SwiftIO board powered by an NXP i.MX RT1052 Arm Cortex-M7 crossover processor and programmable with Apple Swift programming language. The company has now launched a smaller version of the board named the SwiftIO Micro along with the SwiftIO Circuit Playground baseboard with plenty of modules to play with the SwiftIO Micro’s GPIO, and that reminds me of the Arduino Sensor Kit Base but with even more modules. SwiftIO Micro specifications: SoC – NXP i.MX RT1052 Arm Cortex-M7 crossover processor @ 600MHz System Memory – 32 MB SRAM Storage – 16MB flash, microSD card slot USB – 1x USB-C connector for power and programming Expansion – 3x 20-pin headers with up to 44 GPIOs, analog inputs, PWM, UART, SPI, I2C, I2S, CAN Bus, etc… See the pinout diagram below for details Misc – RGB LED, download and reset buttons Power Supply – 5V […]

STARLIGHT – A Raspberry Pi RP2040 board for rockets

STARLIGHT Raspberry Pi RP2040 rocket board

Circuit Wizardry’s STARLIGHT is a rocket control board based on Raspberry Pi RP2040 microcontroller and designed for small 75mm model rockets. The board features rocket control-specific I/Os such as Igniter and Ejection pins each connected to a MOSFET, two headers for 5V servos, plus some sensors and 3.3V or 5V GPIOs for expansion. STARLIGHT specifications: Microcontroller – Raspberry Pi RP2040 dual-core Arm Cortex-M0+ MCU @ 133 MHz with 264KB SRAM Storage – 16MB flash for firmware and flight data USB – 1x Micro USB port for programming Rocket control Igniter via 2-pin terminal block and AO3400 MOSFET (pulse current up to 30A) used with ignition systems to automatically light your engine. Ejection via 2-pin terminal and AO3400 MOSFET Servo control 2x 3-pin servo outputs for optional thrust loop vector control interface (X Axis and Y axis on board) Level shifter to allow the use of 5V servos with the 3.3V […]

RP2 Nano is a $6.6 Raspberry Pi RP2040 board with Arduino Nano form factor

RP2 Nano Board RP2040 Arduino Nano

ArtronShop RP2 Nano board features the Raspberry Pi RP2040 microcontroller in the Arduino Nano form factor in a way that’s much cheaper than the official Arduino Nano RP2040 Connect board. That’s possible because Thailand-based AtronShop did not include all the bells and whistles such as WiFi and Bluetooth connectivity, sensors, and used a smaller flash. So the RP2 Nano basically offers the same I/Os and features as the Arduino Nano, but the Microchip ATmega328 8-bit AVR microcontroller gives place to the more powerful Raspberry Pi RP2040 dual-core Cortex-M0+ MCU plus 2MB flash, and the board also adds an extra Grove connector for expansion. RP2 Nano specifications: MCU – Raspberry Pi RP2040 dual-core Cortex M0+ microcontroller @ 133 MHz with 264 kB of embedded SRAM Storage – 2MB SPI flash USB – 1x USB Type-C OTG port for power, data, and programming Expansion Arduino Nano headers (2x 15-pin headers) Up to […]

Polos CH32Vxx 32-bit RISC-V MCU boards starts at $1.99

Polos RISC-V development boards

XPU Labs, a subsidiary of AnalogLamb, has designed three inexpensive “Polos” development boards based on WCH CH32VXX RISC-V microcontrollers with pricing starting at just $1.99. The three development/breakout boards have the same form factor and only differ in the specific RISC-V MCU used with three parts selected: the 48 MHz CH32V003F4U6 microcontroller, the 144 MHz CH32V203F8P6 MCU, and the CH32V305FBP6 that’s similar to the former but add more memory (32KB) and flash (128KB). You can see also three boards side-by-side in the photo below along with the Amnos LinkE CH32Vxx debugger & programmer board. Polos CH32V003 Breakout Alef specifications: MCU – WCH CH32V003F4U6 QingKe 32-bit RISC-V2A microcontroller up to 48MHz with 2KB SRAM, 16KB Flash (QFN20 Package) USB – 1x Micro USB port I/Os – 2x 12-pin headers with Up to 18 GPIOs with external interrupt support 1x USART, 1x I2C, 1x SPI 10-bit ADC Debugging – 1-wire serial debug […]

Nuvoton MUG51 8-bit 8051 microcontroller is made for battery-free devices

NuMaker-MUG51TB MUG51 development board

8-bit microcontrollers are here to stay despite the rise of 32-bit microcontrollers. Renesas introduced the RL78/G15 entry-level 8-bit microcontroller in a tiny 3x3mm package at the beginning of the year, and now Nuvoton has just unveiled the MUG51 8-bit 8051 microcontroller with a long-term production commitment. The MUG51 is specially designed for battery-free devices such as passive stylus pens and RFID cards. The 8-bit microcontroller embeds 1 KB SRAM, 16KB flash plus 4KB flash for user program loader, various peripherals with up to 24x GPIOs with interrupt, I2C, SPI, UART, DMA, and so on, as well as various timers. Nuvoton MUG51 specifications: Core – 1T 8051-based core running up to 7.3728 MHz Memory/Storage 1 KB SRAM 16 KB Flash Up to 4 KB Flash for user program loader (LDROM) 128 bytes SPROM (Security Protection ROM) ISP/ICP/IAP programming Peripherals Up to 24x I/O with interrupt capability 2x UART (Tx/RX), 2x I2C, […]

Micro RP2040 is a tiny Raspberry Pi RP2040 module with a USB Type-C port, 28 castellated & through holes

Micro RP2040 board

SB Components’ Micro RP2040 is a tiny module based on the Raspberry Pi RP2040 Arm microcontroller with up to 23 GPIOs and a USB Type-C port for easy powering and programming. Ever since the Raspberry Pi RP2040 dual-core Arm Cortex-M0+ microcontroller was released, companies have been making tiny modules based on it. Some come with a USB Type-C port such as the Pimoroni Tiny 2040 and the Adafruit QT Py RP2040 boards, while others focused on providing a smaller form factor for soldering only with design such as the RP2040 Stamp or the minuscule 12x12mm Femto module. The Micro RP2040 module comes with a USB-C port and more I/Os than competing modules thanks to a slightly larger 25 x 24.95mm design. Micro RP2040 specifications: MCU – Raspberry Pi RP2040 dual-core Cortex-M0+ microcontroller @ up to 133 MHz with 264kB of SRAM Storage – 2MB QSPI flash USB – USB Type-C […]

$19.90 nRF52840 Connect Kit board supports Bluetooth LE, NFC, Zigbee, and Thread connectivity

nRF52840 Connect Kit

Makerdiary nRF52840 Connect Kit is a development board based on Nordic Semi nRF52840 multiprotocol wireless microcontroller with support for Bluetooth Low Energy, Bluetooth Mesh, NFC, Thread, Zigbee, 802.15.4, ANT, and 2.4 GHz proprietary connectivity. The nRF52840 Connect Kit comes in a compact form factor with a USB-C port for power and programming, a 64 Mbit QSPI flash, flexible power management, and a rich set of features. Makerdiary offers two versions, one with a chip antenna, and another with an external u.FL antenna. nRF52840 Connect Kit specifications: SoC – Nordic nRF52840 Arm Cortex-M4F WiSoC @ 64 MHz with 1 MB FLASH and 256 kB RAM, Arm TrustZone Cryptocell 310 security subsystem External Storage – 64-Mbit QSPI flash Wireless Connectivity (on-chip) Bluetooth 5, Bluetooth Mesh IEEE 802.15.4 radio for Zigbee and Thread ANT, 2.4GHz proprietary On-chip NFC-A tag Antenna – On-board 2.4GHz chip antenna or u.FL connector for external antenna USB – […]

Toshiba “MH3 Group (2)” Arm Cortex-M3 MCU supports firmware updates without interrupting operation

Toshiba MH3 Group 2 microcontroller

Toshiba “MH3 Group (2)” Arm Cortex-M3 microcontrollers come with a 1MB flash memory partitioned into two 512KB partitions to enable firmware updates without interrupting microcontroller operation using an area swap function to rotate to the new firmware seamlessly. The new M3H Group (2) builds upon the M3H Group(1) by expanding the code flash memory up to 1MB, and the RAM capacity from 66KB to 130KB. Both are part of the “TXZ+ Family Advanced Class” manufactured with a 40nm process, and equipped with a 120 MHz Arm Cortex-M3 core as well as various interface and motor control options such as UART, I2C, Advanced Encoder Input Circuit, and Advanced Programmable Motor Control Circuit. Toshiba MH3 Group 2 key features and specifications: CPU core – Arm Cortex-M3  @ 120 MHz with memory protection unit (MPU) Internal oscillator – 10MHz (+/-1%) Internal memory Code flash memory – 512KB to 1024KB (program/erase cycles: up to […]

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