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2016 contest light driver V3.2
by
DavidEF.
2
layer board of
2.54x0.65
inches
(64.52x16.51
mm).
Shared on
August 29th, 2016 20:18.
Rectangular driver board with LED pads
Retro|Watch2
by
RafaelRiber.
4
layer board of
1.73x1.89
inches
(44.02x48.01
mm).
Shared on
August 29th, 2016 20:05.
The Retro|Watch V2 is based around the HP QDSP-6064 Bubble display, used in 70s HP calculators like the HP-35. The display is controlled by an Atmel ATMega328U4 MCU with Arduino code and flashed with an Adafruit Feather 32U4 bootloader, and the time is kept by a Maxim DS3231 Real-Time Clock module, that stays connected to the LiPo battery at all times, keeping time even when the microcontroller and display are not powered. This second version of the watch uses another microcontroller, the ATMega32U4, for USB capability, and a battery recharge circuit for USB Charging. In order to fit all that added circuitry, smaller components as 0603 resistors and a QFN chip were used. THIS MAKES ASSEMBLY CONSIDERABLY HARDER THAN V1, and is not recommended for beginners.
Dubnium Drive v2.0 SMD
by
m-Kresol.
2
layer board of
1.30x0.91
inches
(33.02x23.01
mm).
Shared on
August 29th, 2016 19:14.
DBA Interstellar Overdriver for 1590a with minor changes, SMD.
Build doc: http://felix.kalium.org/upload/share/builddocs/DubniumDrive_Builddoc.pdf
FFCP
by
Thunder.
2
layer board of
1.23x1.00
inches
(31.19x25.35
mm).
Shared on
August 29th, 2016 19:14.
Dubnium Drive v2.0 TH
by
m-Kresol.
2
layer board of
1.30x1.01
inches
(33.02x25.60
mm).
Shared on
August 29th, 2016 18:31.
DBA Interstellar Overdriver for 1590a with minor changes, through hole version.
Build doc: http://felix.kalium.org/upload/share/builddocs/DubniumDrive_Builddoc.pdf