Posts
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2024/10/24
Pipad: LineageOS 21 KonstaKANG is working
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2024/03/05
Pipad: Identifying the ambient light sensor
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2024/01/21
Pipad: Audio codec: ground-centered mode, BCLK, headset detection
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2023/12/29
Pipad: It’s a tablet! (Rev2 PCB testing)
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2023/10/04
Pipad: NVMe, HDQ, SDIO, and curvy PCB traces
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2023/01/23
Pipad: Debugging the power button
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2022/10/21
Pipad: Attempting to tune the touchscreen controller
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2022/10/18
Pipad: Trying my hand at driver development
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2022/10/16
Pipad: Backlight flickering investigation + device tree overlay for the battery charger.
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2022/10/15
Pipad: Starting to look like a tablet
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2022/10/07
Pipad: The LCD works!
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2022/07/04
Pipad: Some progress on the LCD
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2022/07/04
Pipad: Getting the GT9110 touchscreen controller working
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2022/06/29
Pipad: Real-time clock: It’s nice when something is easy.
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2022/06/26
Pipad: Figuring out why the CM4 wouldn’t boot when attached to my board
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2022/06/14
Pipad: CM4 carrier board: chip shortage pain, bodges, silly mistakes, and tragedy.
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2022/01/26
Pipad: RPi CM4 and Radxa CM3 versions of the board
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2022/01/15
Absurdle Hard-Mode High Score
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2021/08/23
Pipad: Colors! (sn65dsi83 test pattern)
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2021/08/18
Pipad: Using ftrace to debug device tree problems
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2021/07/10
Pipad: First light: testing and fixing the backlight controller
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2021/07/08
Pipad: Power supply testing, part 2
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2021/07/06
Pipad: Power supply testing
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2021/03/22
Pipad: Attempting to write a device tree overlay for the soundcard
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2021/03/09
Pipad: Finally, things to solder!
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2021/03/02
Pipad: Video output research
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2021/02/25
Pipad: A more reasonable touchscreen controller IC
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2021/02/23
Pipad: First prototype of soundcard, some breakout boards, 30-pin connector decision
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2021/02/12
Pipad: The beginnings of the soundcard
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2021/02/03
Pipad: The big scary touchscreen connectors
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2020/10/12
Designing a PCB in EasyEDA and getting it assembled by JLCPCB