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Firmware (HEX) file and documents for the Micromite Mk.2 and Micromite Plus
Firmware, user manuals, change log and sample C functions for the Micromite Mk.2 and Micromite Plus (v5.05.03).
The regular Micromite HEX file will work on the 28-pin DIP package chip (PIC32MX170F256B) and the 44-pin SMD chip (PIC32MX170F256D).
It's also suitable for the MicroMite LCD BackPack including V2 and V3. See the articles in the January 2015, February 2016 and August 2019 issues for more details.
The Micromite Plus HEX file will work on the 64-pin and 100-pin TQFP package chips (PIC32MX470F512H/L).
[Updated 29/01/2021]
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2.8-inch TFT Touchscreen LCD module with SD card socket
A touch screen display module as used in the Micromite LCD BackPack. Uses a 14-pin header for interfacing to the display (ILI9341 controller) and touch sensor, plus a 4 pin (unpopulated) header for the onboard SD card holder.
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MCP1700 3.3V LDO (TO-92)
A 3.3V low-dropout regulator in TO-92 package (MCP1700-3302E/TO).
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CP2102-based USB/TTL serial converter with 5-pin header and 30cm jumper cable
A small USB/serial converter module which plugs straight into a USB port and provides a standard 5-pin header interface with 5V, 3.3V, GND and TTL (3.3V) serial TX/RX pins. Suitable for direct connection to any of the Maximite or Micromite projects.
Modern operating systems like Windows 10 should not require any drivers to use this device - plug it in and it should be recognised and ready to use straight away.
The 5-way cable supplied has female "Dupont" headers on both ends, which plug into standard pin headers. It can be used to connect the adaptor to a Micromite LCD BackPack.
We have only tested this adaptor in Windows; it should work with Linux and Mac OSX.
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Micromite LCD BackPack PCB (2.8-inch version) [07102122]
PCB for the 2.8-inch version of the Micromite LCD BackPack.
Double-sided PCB with plated through holes, solder mask and silkscreen overlay.
86 x 49.5mm.
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Micromite LCD BackPack PCB (2.4-inch version) [07102121]
PCB for the 2.4-inch version of the Micromite LCD BackPack.
Double-sided PCB with plated through holes, solder mask and silkscreen overlay.
76 x 43mm.
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PIC32MX170F256B-50I/SP programmed for the Micromite Mk2 plus capacitor
A 32-bit PIC microcontroller in 28-pin DIP programmed as the Micromite Mk2. Also includes a through-hole Tantalum capacitor to use for its internal regulator - with sufficient capacitance and voltage rating for the job, adn batch tested to have suitably low ESR.
Chips are now programmed with the revised v5.05.03 software (or higher). Note that the capacitor supplied may be a Kemet Solid Molded Tantalum type, in which case the positive lead is indicated by the rounded edge on the case and a dot marking on the top.
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Micromite LCD BackPack PCB patterns (PDF download) [07102121/2]
PDF with the PCB designs for the Micromite LCD BackPack (double-sided).
PCB patterns for both the 2.4-inch (07102121) and 2.8-inch (07102122) versions are included in the one file. Both layers of each PCB are in a single PDF.
Note that this would be impractical to etch yourself and is mainly provided as a reference.
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Micromite LCD BackPack/Ultrasonic sensor lid cutting diagrams (download)
Cutting diagrams in various file formats (CDR, DXF and PDF) for the Micromite LCD BackPack lid as well as the Ultrasonic Parking Assiistant sensor lid.
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Matte/Gloss Black UB3 Lid for 2.8-inch Micromite LCD BackPack
A lid laser cut from 3mm black acrylic which replaces the lid supplied with a UB3 "Jiffy" box. Attaches with the supplied screws. One side is gloss black, the other side is matte black. You can fit it either way around.
The 2.8-inch Micromite LCD BackPack is mounted on the rear of the lid using four M3 machine screws, with the touch-screen flush with the top surface. The cut-out is sized to leave minimal clearance around the screen. The cut-out and mounting holes are positioned so that the viewable area of the TFT display is centred. This lid can also be used with the Micromite Plus LCD BackPack.
130.5 x 68.2mm.
Note: for the lid to fit, the LCD pin header solder joints (top side) must be trimmed. Use two M3 washers (or one 1mm thick Nylon washer) as spacers between the TFT PCB and the lid.
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Clear UB3 Lid for 2.8-inch Micromite LCD BackPack
A lid laser cut from 3mm clear acrylic which replaces the lid supplied with a UB3 "Jiffy" box. Attaches with the supplied screws.
The 2.8-inch Micromite LCD BackPack is mounted on the rear of the lid using four M3 machine screws, with the touch-screen flush with the top surface. The cut-out is sized to leave minimal clearance around the screen. The cut-out and mounting holes are positioned so that the viewable area of the TFT display is centred. This lid can also be used with the Micromite Plus LCD BackPack.
130.5 x 68.2mm.
Note: for the lid to fit, the LCD pin header solder joints (top side) must be trimmed. Use two M3 washers (or one 1mm thick Nylon washer) as spacers between the TFT PCB and the lid.
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Gloss Black UB3 Lid for 2.8-inch Micromite LCD BackPack
A lid laser cut from 3mm gloss black acrylic which replaces the lid supplied with a UB3 "Jiffy" box. Attaches with the supplied screws.
The 2.8-inch Micromite LCD BackPack is mounted on the rear of the lid using four M3 machine screws, with the touch-screen flush with the top surface. The cut-out is sized to leave minimal clearance around the screen. The cut-out and mounting holes are positioned so that the viewable area of the TFT display is centred. This lid can also be used with the Micromite Plus LCD BackPack.
130.5 x 68.2mm.
Note: for the lid to fit, the LCD pin header solder joints (top side) must be trimmed. Use two M3 washers (or one 1mm thick Nylon washer) as spacers between the TFT PCB and the lid.
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Micromite LCD BackPack V1 complete kit
A kit of all the parts required to build the 2.8-inch version of the Micromite LCD BackPack. See the parts list link below for details on what is included.
The PCBs, programmed microcontroller and regulator are also available separately.
PLEASE NOTE: the 10µF and 47µF capacitors supplied are non-polarised SMD ceramic types. They have no markings and can be installed either way around. You can tell them apart as the 10µF capacitors are in a pack of two.
For assembly instructions, see the article in the February 2016 issue.
Also note: kits include 4 x 6mm machine screws, 4 x 10mm (or 8mm) machine screws and 4 x 3mm ID 6mm OD 1mm thick Nylon spacers. The longer screws & spacers are to attach the BackPack to the supplied lid. If not using the lid, place the washers under the 10mm screw heads.
Programmed with: Lid colour: |
Cat No SC3321. Price: AUD $65.00 1 |
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