1Bitsy 1UP handheld game console

We’re excited about this new project from Piotr Esden-Tempski of 1BitSquared on Hackaday.io:
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1Bitsy 1UP

1Bitsy 1UP is a retro inspired handheld game console, the design is based on the 1Bitsy STM32F415RGT6 ARM Cortex-M4F 168MHz 192kb RAM and 1MB Flash micro controller. 2.8″ TFT with capacitive touch, SDCard Reader and a few other components.

The display used is a TFT LCD with I2C CapTouch and ILI9341 driver. (should be compatible with the display sold by Adafruit on their breakouts as well as the buydisplay.com 2.8″ tft with CapTouch sensor)

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The most basic design consists of:

  • 1Bitsy STM32F415RGT6 (168MHz, 192kb RAM, 1MB Flash)
  • 240×320 2.8″ TFT with capacitive touch and PWM backlight control
  • D-Pad, ABXY, Start, Select buttons
  • DAC audio out to headphones. (speakers optional)
  • SDCard connected over SDIO interface

The hardware design files and firmware source code are available on GitHub:

github1bitsy/1bitsy-1up

1Bitsy 1UP handheld game console

KiCad footprint for Nokia 5110 LCD

Sven Gregori on Hackaday.io created a KiCad component and footprint for the Nokia 5110 LCD and created this breakout board to test it:8695331498520943537

Yet another Nokia 5110 LCD breakout board

I just shamelessly measured all there was to measure and created my own KiCad PCB footprint, along with a schematic component.

Once done, I needed a way to verify it would actually work and fit the LCD, so despite how pointless it is, I created my own breakout board as proof of concept and ordered it from OSH Park.

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The Nokia 5110/3310 LCD component and footprint are available on GitHub:

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sgreg has shared the breakout board on OSH Park:

Nokia 5110 LCD Breakout Board Rev.A

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Order from OSH Park

KiCad footprint for Nokia 5110 LCD

Chronio DIY Watch

 writes on Hackaday:

Chronio DIY Watch: Slick and Low Power

[Max K] has been testing the battery life of his self-designed watch under real-world conditions. Six months later, the nominally 3 V, 160 mAh CR2025 cell is reading 2.85 V, so the end is near, but that’s quite a feat for a home-engineered smart watch

Chronio DIY Watch

3 Inch Tall 7-segment Clock

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Kevin Rye decided to build a 15 inch long digital clock after acquiring these 3 inch 7-segment displays.  He documented the project from start to finish:

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I picked up these sweet LUMEX S101D22TR 7-Segment LCDs the other day.

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The PCBs for the hours, minutes, and seconds display modules are identical. They’ll just be wired differently.

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On the driver boards, data flows in from the left out to the next section on the right.

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The source files can be downloaded from:

15inch-LCD-Clock-Source.zip

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3 Inch Tall 7-segment Clock