“Old” News

So did you read about the fault in the USB C port on the Raspberry Pi 4? There has been articles about it on Extremetech, Arstechnica, and The Verge, among others. No news from raspberry.org as to whether they’re going to fix the flaw. Of course, they’re pushing their own 15w power supply. Kind of disappointing that they’ve gone bad boy commercial.

More Arduino gear

Well, I just ordered a new new batch of Arduino gear. This time it’s a couple of Mega 2560s and 3 Arduino Dues. I’ve been working on projects that need more connectors and more space on the processor that a Arduino Uno R3 provides.

Like it says the the Arduino website,

The Arduino Mega 2560 is a microcontroller board based on the ATmega2560. It has 54 digital input/output pins (of which 15 can be used as PWM outputs), 16 analog inputs, 4 UARTs (hardware serial ports), a 16 MHz crystal oscillator, a USB connection, a power jack, an ICSP header, and a reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started. The Mega 2560 board is compatible with most shields designed for the Uno.

And the site says this about the Due,

The Arduino Due is a microcontroller board based on the Atmel SAM3X8E ARM Cortex-M3 CPU. It is the first Arduino board based on a 32-bit ARM core microcontroller. It has 54 digital input/output pins (of which 12 can be used as PWM outputs), 12 analog inputs, 4 UARTs (hardware serial ports), a 84 MHz clock, an USB OTG capable connection, 2 DAC (digital to analog), 2 TWI, a power jack, an SPI header, a JTAG header, a reset button and an erase button.

Warning: Unlike most Arduino boards, the Arduino Due board runs at 3.3V. The maximum voltage that the I/O pins can tolerate is 3.3V. Applying voltages higher than 3.3V to any I/O pin could damage the board.

The board contains everything needed to support the microcontroller; simply connect it to a computer with a micro-USB cable or power it with a AC-to-DC adapter or battery to get started. The Due is compatible with all Arduino shields that work at 3.3V and are compliant with the 1.0 Arduino pinout.

The big with this one is the power requirements.

Lightweight Devices

Well, I haven’t had anything to gripe about since I finally got my Snickerdoodle Black, but I haven’t had a chance to delve into it, since I have other projects that I’ve been working on. I’m in between contracts, but the holiday season has put a crimp on “work” time. Besides the Snickerdoodle Black, I’ve got a number of Raspberry Pis, a few Pine A64s, 2 TinyFPGA BXs and about a half dozen Arduino Unos. Nothing like a little variety to keep the creative juices flowing. Bought a new laptop to put all the IDEs on because it was a pain to keep on cluttering up my office with all the detritus from the little boards and all the peripherals. Bought some cases for the Unos and they got delivered today. Hope to be posting some of my investigations on GitHub or GitLab. I don’t know if I’ll post notices here or on Objectnets.org, so keep an eye on both places.

More 10: snickerdoodle

Finally some good, maybe great news! I got an email saying my snickerdoodle black and piSmasher have shipped. Now all i need is the rest of my order, the power supply and SD card with OS to ship. Of course the main reason for ordering this was to develop a product, but the cost increase has made it infeasible.

It’ll still be interesting to develop some software for this product, I haven’t done FPGA programing for 15 years, and I’m sure things have changed.

More 9: snickerdoodle

Well, more “news” from krtkl: the rest of the preorders of snickerdoodle black have finally arrived, less some parts. So I guess that means shipments will take place in the next couple of months unless there are more delays. I placed my order March 2016, 2 1/2 years ago. And the piSmasher still hasn’t shipped, even though it’s 3 times the price I ordered it at. I’d say these products are the ultimate fail. Makes me hesitant to back any more non-shipping products lest I get involved in another vaporware product.

More 8: snickerdoodle

Well, finally got another update from krtkl:

Also, in snickerdoodle news…another shipment of ~200 boards just landed at Crowd Supply and we’ve started the next batch of snickerdoodle blacks. Combined, this will represent the LAST of the preordered snickerdoodles – we made it!!! These are likely still several weeks from shipping, but the light at the end of the tunnel is starting to get a lot brighter.

Well, it is progress, but it’s been over 2 years in the making, and I haven’t gotten it yet.

More 7: snickerdoodle

Well, finally got an update from krtkl about snickerdoodle. No mention of the snickerdoodle black, bu there was this:

snickerdoodle black – qty 1
This is a pre-order.
Originally expected to ship on Jun 29, 2016
Currently expected to ship on Apr 20, 2018
piSmasher SBC – qty 1
This is a pre-order.
Originally expected to ship on Jun 29, 2016
Currently expected to ship on Jul 26, 2018

This could be a LOOOOOOONNNNNNNGGGGG wait. Two more months (at least).

Edit:

Oops, I didn’t read the whole update, they state:

  • 100 more snickerdoodle blacks (including the last of the ‘connectors up’ preorders) are scheduled to be delivered to Crowd Supply by the end of June.
  • piSmasher is going to fab the last week of May; if all goes according to plan, we should (finally) be shipping production units by mid July.

That’s still 2 months out, unless the dates slip again.

More 6: snickerdoodle

No updates from krtkl since April 10, 2018. I don’t know if I even care when it arrives. There’s no way I’d give them anymore money if I was to develop a product using the snickerdoodle black. Time to look more for alternate platforms.

More 5: snickerdoodle

Well, there’s been an update from krtkl, but snickerdoodle black wasn’t mentioned. I guess no news is bad news. They mentioned the supply chain has completely broken down, they just can’t get parts. Not that that helps the backers. They still haven’t gotten to the point that they are making piSmashers. So the snickerdoodle black wouldn’t do me too much good. Maybe if I could get the software I could start developing something for the vapor hardware.

More 4: snickerdoodle

Well, there haven’t been any updates from krtkl about progress on shipments, so I’ve started to look around for another vendor that supplies an SBC integrated with an FPGA for a project I want to do. Results for my search so far has yielded the SYZYGY Brain-1 at $350 which comes from a company with a little more street cred, Opal Kelly, and the Z-turn board at $119 from MYIR Tech Limited. The $99 part is a Zynq-7010 part whereas I’m interested in the more powerful Zynq-7020 at $119. I sent off an inquiry to the company, but so far I haven’t heard back from them.

More 3: snickerdoodle

Well, here’s the latest update from krtkl:

snickerdoodle black – qty 1
This is a pre-order. Originally expected to ship on Jun 29, 2016
Currently expected to ship on Apr 20, 2018

piSmasher SBC – qty 1
This is a pre-order. Originally expected to ship on Jun 29, 2016
Currently expected to ship on Mar 08, 2018

More 2: snickerdoodle

Well. still waiting for delivery. I contacted Krtkl and told them it was a waste to ship me the snickerdoodle black without the pi smasher. So maybe they’ll just ship them both a the same time.

Here’s their video of the snickerdoodle:

 

Here’s some specs

features snickerdoodle one snickerdoodle black
chipset Xilinx Zynq-7010 Xilinx Zynq-7020
CPU 32-bit dual-core ARM Cortex-A9 w/640kB cache and 2x 128-bit NEON coprocessors 32-bit dual-core ARM Cortex-A9 w/640kB cache and 2x 128-bit NEON coprocessors
performance 3,335 DMIPS/2.6 GFLOPS@667 MHz 4,330 DMIPS/3.4 GFLOPS@866 MHz
flash 16MB XIP NOR + up to 200GB SDIO NAND via captive microSD card cage 16MB XIP NOR + up to 200GB SDIO NAND via captive microSD card cage
DRAM/bandwidth 512MB/25.6Gbps 1GB/25.6Gbps
SRAM/bandwidth 256kB/28.4 Gbps 256kB/36.9 Gbps
reconfigurable hardware 430K gates/17,600 LUT-6 1.3M gates/53,200 LUT-6
32-bit performance 143,150 MIPS@350 MHz 587,575 MIPS@475 MHz
distributed RAM 270kB/3,354Gbps 630kB/10,275Gbps
DSP performance 74 GMACs/31.8 GFLOPS@461 MHz 276 GMACs/121.5 GFLOPS@599 MHz
total user GPIO 155 179
reconfigurable I/O performance 16x ADC/100x GPIO/46.2Gbps 16x ADC/125x GPIO/75.7Gbps
fixed GPIO 33x GPIO, 4x I2S audio, 14x I2C, 1x ADC, 2x DAC 33x GPIO, 4x I2S audio, 14x I2C, 1x ADC, 2x DAC
Wi-Fi 150Mbps SISO 2.4GHz 802.11n 150Mbps 2×2 MIMO 2.4GHz/5GHz 802.11n
Bluetooth 3Mbps dual-mode Bluetooth 4.0 Classic+EDR/BLE
antenna dual-band antenna, switched U.FL ports dual-band antenna, switched U.FL ports
serial interfaces 2x gigabit ethernet, 2x CAN, 2x I2C, SPI, UART, USB 2.0 high-speed, microUSB console/JTAG 2x gigabit ethernet, 2x CAN, 2x I2C, SPI, UART, USB 2.0 high-speed, microUSB console/JTAG
analog interfaces 2x 1MSPS 12-bit ADCs w/16 channel multiplexer, 2x 1MSPS 12-bit DACs 2x 1MSPS 12-bit ADCs w/16 channel multiplexer, 2x 1MSPS 12-bit DACs
other peripherals 5x LEDs, 2x pushbuttons, secure cryptographic key/certificate storage 5x LEDs, 2x pushbuttons, secure cryptographic key/certificate storage
software support iOS/Android app, Snappy Ubuntu Core Linux, Python, Java, C/C++, ROS, FreeRTOS iOS/Android app, Snappy Ubuntu Core Linux, Python, Java, C/C++, ROS, FreeRTOS
power 5V via microUSB or 3.7V-17V via power pins 5V via microUSB or 3.7V-17V via power pins
dimensions 3.5” x 2.0” (88.9mm x 50.8mm) 3.5” x 2.0” (88.9mm x 50.8mm)