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SRKH Designs’ microZERO is a tiny, Arduino compatible module based on Microchip SAMD21 Arm Cortex-M0+ microcontroller for applications such as drone control, mobile platforms such as cars, trucks, boats and bikes, and other products working in demanding environments.
The company has also designed two baseboards, namely Dev Board A with RGB color high resolution IPS display and the more classic Dev Board B, both mostly following Arduino UNO form factor to get started with development and/or evaluation.
- MCU – Microchip SAMD21G18 Arm Cortex-M0+ @ 48 MHz with 256KB flash, 32KB SRAM
- Storage – 16MB SPI flash memory for additional storage and remote firmware upgrades
- 32x protected IO with 6x ADC, SPI, I2C, 6x PWM, TCC, USART, 1-WB, I2S, and USB
- 1 Mbps CAN controller with fully isolated and filtered CAN transceiver for maximum signal integrity
- 2mm pitch footprint
- Security – Microchip ATECCA508/608 software protection encryption IC
- Misc – 6x LEDs for power, GPIO, and CAN activity, Brown-out Detect/Reset, DMA, POR, WDT
- Power Supply
- Protected 6-48V DC input with protection diode, thermal fuse, and Zener diode
- Onboard 5V at 2.5A and 3.3V at 1A power supplies available externally
- Onboard auto shut off under-voltage lockout (at 6V/3V per cell) to protect lithium batteries when they are exhausted.
- Dimensions – 32 x 20mm
The module is not only compatible with the Arduino IDE, but also Microchip/Atmel Studio 7 and Zephyr real-time operating system. The documentation and bootloader are currently finalized and everything will be published/released in March.
microZERO Dev Board A/B
As mentioned in the introduction, the company will also provide two development kits with microZERO DevBoard A and B with most of the same specifications, except for a small display:
- Fitted with microZERO module soldered on the baseboard
- Display (Dev Board A only) – “High-resolution RGB IPS display”
- Arduino headers
- 3-pin “NET I/O” terminal for CAN, USB or RS485
- Qwiic compatible I2C interface
- Standard 10-pin Atmel ICE programming interface
- Optional 6-pin ICSP SPI based interface for backward compatibility
- Misc – Reset switch
- Power Supply – External 6-48V PSU via 2-pin header or power barrel, or 5V via micro USB cable connection
- Dimensions – 68.6 x 53.3mm
The project has launched on Kickstarter with a 5,000 AUD target (or just under $3,900 US). I’ll use US dollars going forward. Rewards start at $54 for the module only, while the fully assembled Dev Board A goes for $77, and Dev Board B for $93. It looks like a nice project, but the campaign is not very successful so far, as pricing will turn off many people. That’s without shipping which $7.75 to Australia, and $23.25 to the rest of the world. Backers should expect their rewards to ship by May 2021 if the campaign is successful.
Via Geeky Gadgets
Jean-Luc started CNX Software in 2010 as a part-time endeavor, before quitting his job as a software engineering manager, and starting to write daily news, and reviews full time later in 2011.
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