Skip to main content

Release Notes

v0.57 (2025-10-15)

  • Add WaitUs() to delay in microseconds.
  • Known Issues:
    • None.

v0.56 (2025-10-14)

  • Add Show565.
  • Known Issues:
    • None.

v0.55 (2025-10-13)

  • Improve ESP32 gateway command.
  • Add Base64().
  • Known Issues:
    • None.

v0.54 (2025-10-10)

  • Add ESP32 gateway command esp32gw().
  • Known Issues:
    • None.

v0.53 (2025-10-03)

  • Improve software uart.
  • Correct StatLed() activity when call DWrite(), Freq(), AWrite().
  • Fixed firmware does not boot on some boards.
  • Known Issues:
    • None.

v0.52 (2025-09-30)

  • Supports HID (mouse and keyboard).
  • Known Issues:
    • None.

v0.51 (2025-09-24)

  • Rename DL Ser functions.
  • Reduced user region from 28KB to 24KB.
  • Fixed Graphics to add one extra one pixel when draw line, fill (rect).
  • Implement I2C no data 255 protocol.
  • Fixed DUELink switch to UART instead of I2C when connect to micro:bit.
  • Known Issues:
    • None.

v0.50 (2025-09-22)

  • Uart interface accept first byte 10, 13, 27, 's' or 'S' only.
  • Fixed sprintf need extra two bytes.
  • Add Parse().
  • Known Issues:
    • None.

v0.49 (2025-09-16)

  • Removed gwcfg.
  • DLMode take mode and array as arguments.
  • Known Issues:
    • None.

v0.48 (2025-09-15)

  • Add getway command gwcfg.
  • Add downlink mode inactive (dlmode(5)).
  • Known Issues:
    • None.

v0.47 (2025-09-11)

  • Fixed sprintf.
  • Known Issues:
    • None.

v0.46 (2025-09-05)

  • Fixed Cmd max is 32 characters.
  • Change Shtdn to LowPwr with argu are mode and pin.
  • Known Issues:
    • None.

v0.45 (2025-08-29)

  • Internal test.
  • Known Issues:
    • None.

v0.44 (2025-08-28)

  • Fixed double response when send a command.
  • Known Issues:
    • None.

v0.43 (2025-08-26)

  • Change Analog: vread(), aread(), awrite().
  • Add DLmode(4) for i2c.
  • Add DLI2cWr command.
  • Known Issues:
    • None.

v0.42 (2025-08-22)

  • Erase all only erase all on selected device.
  • Fixed scale().
  • Software uart: Make sure closed before reopen.
  • Known Issues:
    • None.

v0.41 (2025-08-18)

  • Fix btnread().
  • Fix SD filesystem mount/unmount.
  • Known Issues:
    • None.

v0.40 (2025-08-18)

  • Rework button, IR.
  • Add NeoPixel vertical scaning mode.
  • Known Issues:
    • None.

v0.39 (2025-08-12)

  • Fixed USB overwrite Button memory region.
  • Known Issues:
    • None.

v0.38 (2025-08-12)

  • Print shows value twice.
  • Fix interrupt does not work after switched to region 1.
  • Known Issues:
    • None.

v0.37 (2025-08-06)

  • Erase all put device to DFU mode automatically.
  • Support DUEScript functions up to 16.
  • Fix some bugs related to region.
  • Known Issues:
    • None.

v0.35 (2025-08-01)

  • Support Led MT12x08.
  • Asio mode returns response.
  • Fix user function overwrite system function.
  • Fix can't use pin 22 (UART1 rx) after detected interface.
  • Known Issues:
    • None.

v0.34 (2025-07-11)

  • Fix enter coprocessor bootloader failed.
  • Rework IR. Add IR transmit.
  • Improve cmd().
  • Fix Downlink bus swap bytes sometime.
  • Known Issues:
    • None.

v0.33 (2025-06-25)

  • Rework chain enumeration.
  • Add dlmode command to support Downlink interfaces: None, Interface, Host, Uart.
  • Rework command cmd. Command cmd work in Downlink host interface only.
  • Add cmdtmot for cmd command timeout.
  • Known Issues:
    • SPI is slow.

v0.32 (2025-06-10)

  • Add support for 0i prefix, int32 helper.
  • Add ePaper graphics support.
  • Change statled enumeration behavior: On - not enumerate, OFF: enumerated.
  • Fix Asio().
  • Improve enumeration in chain.
  • Fix Spi: release CS too early.
  • Fix GPIO: GetPinState does not work correctly sometime.
  • Add Info(2): return device address.
  • pwrite: Change to 1KHz .
  • Fix leak memory with melody.
  • Known Issues:
    • SPI is slow.
    • Device communication may have problem if more than 5 devices in chain.

v0.31 (2025-05-14)

  • IStart(): Resistor pull is same as dread: 0-Nopull, 1: Pullup, 2: Pulldown
  • Improved USB for console.
  • Known Issues:
    • SPI is slow.

v0.30 (2025-05-01)

  • Add SPI LSB.
  • Fix reset(x) reset board even x not 0.
  • Change version() and info(0) output to 12bit product ID.
  • Fix SPI pull chip select before last byte sent.
  • Hardware uart use native baudrate.
  • NeoPixel use true color 24 bit.
  • Fix color scale with 8 bit mode.
  • Fix crash with gpio interrupt when P1 and P2 are used.
  • Known Issues:
    • SPI is slow.

v0.29 (2025-04-21)

  • Add Stat LED activity.
  • Add sprintf().
  • APIs taking strings can now accept byte arrays.
  • Add Hex() and Chr().
  • Add math functions.
  • Add hardware UART support, needed for DueDuino.
  • Change indexer for float arrays to use [].
  • Add break and continue.
  • Add stream: StrmRd(), StrmWr(), and StrmSpi().
  • Fix nested interrupt and scheduling.
  • Fix I2c return true/false instead of false always.
  • Fix DMX.
  • Fix distance returns int only.
  • Known Issues:
    • SPI is slow.

v0.28 (2025-04-03)

  • Change Led() to StatLed().
  • Fix graphics bug in direct mode.
  • Known Issues:
    • SPI is slow.

v0.27 (2025-03-21)

  • Fix ImgS() arguments.
  • Reset(1) will now show a message to wait 5 seconds.
  • Reset(1) disables USB automatically before system wipeout.
  • for loop basic style second argument is now exclusive, like Python style.
  • Array initializers can start on a new line.
  • LED Matrix scanner now supports dimensions other than 5x5.
  • PWM improvements when using mid-range frequencies.
  • An error inside a Scheduler will terminate the program and all schedulers.
  • Known Issues:
    • SPI is slow.

v0.26 (2025-03-17)

  • Removed loader in favor of giving users an extra 12K of flash!
  • Fix Asio().
  • Known Issues:
    • SPI is slow.

v0.24 (2025-03-12)

  • Graphics: Add matrix list.
  • Matrix LED graphics now only works in buffered mode.
  • Fix Device ID larger than 16 bit.
  • Known Issues:
    • SPI is slow.
    • Asio() doesn't work.

v0.23 (2025-03-11)

  • Add PWM support to STAT LED.
  • Graphics configuration use float array now.
  • Improve interface detection mechanism.
  • Known Issues:
    • SPI is slow.
    • Asio() doesn't work.

v0.22 (2025-03-10)

  • Improve print().
  • Add I2C restart support.
  • "Enter" now terminates a running program, like ESC.
  • Downlink and multi-device support improvements.
  • Add date/time support.
  • Remove dumparry().
  • Known Issues:
    • SPI is slow.
    • Asio() doesn't work.

v0.21 (2025-03-01)

  • Initial public release:
  • Adds all major features.
  • Known Issues:
    • Sched() will not abort when program terminates.
    • SPI is slow.

MicroBlocks Firmware​

v352 (2025-10-07)

  • Make PWM work for analog synthesis on DUELink boards
  • Known Issues:
    • Large programs cause system lockup.

v351 (2025-10-06)

  • Fixed the bug in asByteArray.
  • Known Issues:
    • Large programs cause system lockup.

v349 (2025-09-23)

  • Fixes capitalization of the DUELink USB name.
  • Known Issues:
    • Large programs cause system lockup.

v348 (2025-09-11)

  • Use DUE standard pins 22 and 21 for serial on DUE boards without edge connectors. Supports serial on DueDuino and Stamp.
  • Fix: Make DUE Downlink port work.
  • Add isDUELink primitive for potential use in the future.
  • Make "light level" block work on all DUELink educational boards: CincoBit, PixoBit, ClipIt, and DueSTEM.
  • Known Issues:
    • Large programs cause system lockup.

v347 (2025-09-08)

  • Internal improvement.
  • Known Issues:
    • Large programs cause system lockup.

v344 (2025-08-18)

  • Add support for ClipIt and DueSTEM.
  • Known Issues:
    • Large programs cause system lockup.

v343 (2025-08-18)

  • Support Tiny OLED.
  • Internal improvements.
  • Known Issues:
    • Large programs cause system lockup.
    • Writing to pins 21-22 crashes Ghizzy and Stick.

v333 (2025-05-06)

  • Make Boot0 button available as pin 20.
  • Fix Reading the light sensor (pin 11) on CincoBit made button B stop responding.
  • Known Issues:
    • Large programs cause system lockup.
    • Writing to pins 21-22 crashes Ghizzy and Stick.

v331 (2025-04-30)

  • Enable pin Boot0.
  • Improve PWM support.
  • Disable servo primitives to free up timer for PWM.
  • Make Tone primitives work.
  • Known Issues:
    • Large programs cause system lockup.

v330 (2025-04-29)

  • Add PWM on more pins.
  • Fix analog issue on some pins.
  • Improve Tone output.
  • Known Issues:
    • Large programs cause system lockup.

v329 (2025-04-23)

  • Fix reading analog pins.
  • Tone library now work on boards that have buzzers.
  • Known Issues:
    • Large programs cause system lockup.

v329 (2025-04-23)

  • Fix reading analog pins.
  • Tone library now work on boards have buzzer
  • Known Issues:
    • Large programs cause system lockup.

v327 (2025-04-09)

  • Programs are now persisted.
  • Increase user space.
  • Known Issues:
    • Large programs cause system lockup.

v326 (2025-04-04)

  • Add support for PixoBit.
  • Known Issues:
    • Large programs cause system lockup.
    • Programs are not persisted.

v324 (2025-03-22)

  • Add primitives for the DUELink Downlink.
  • Known Issues:
    • Large programs cause system lockup.
    • Programs are not persisted.

v322 (2025-03-21)

  • Initial universal release!
  • Supports dynamic pin mapping.
  • Known Issues:
    • Large programs cause system lockup.
    • Programs are not persisted.

MicroBlocks Libraries​

0.7 (2025-10-07)

  • Initial Release.
  • Known Issues:
    • No write stream support.