#12 [Layout] TP301: a really large programming trough-hole pad

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6 年 前Houkime によって開かれました · 1 コメント
Houkime6 年 前 にコメントしました

A programming pad for an old fuel gauge which neo900 uses for n900 compatibility because of bme driver being a proprietary blob.

Size can be reduced.

Also otherwise unusable spaces like holes in sim holders might be used?

Track considerations:

  • 21v
  • 50 ms pulse length. 1 pulse per byte. 10 bytes.
  • 0.5 ms rise and fall times (even with 21v considered a slow edge)

Notes:

  • Programming might be needed for correct operation since there will be some unknown offset.
A programming pad for an old fuel gauge which neo900 uses for n900 compatibility because of bme driver being a proprietary blob. Size can be reduced. Also otherwise unusable spaces like holes in sim holders might be used? ### Track considerations: * 21v * 50 ms pulse length. 1 pulse per byte. 10 bytes. * 0.5 ms rise and fall times (even with 21v considered a slow edge) ### Notes: * Programming might be needed for correct operation since there will be some unknown offset.
Houkime5 年 前 にコメントしました
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Not really a severe issue. Right now hole goes to the northwest of LOWER in 0f0d6183cd

Not really a severe issue. Right now hole goes to the northwest of LOWER in https://notabug.org/Houkime/Neo900/commit/0f0d6183cd20625b7655a37a9256b17c31cc7e3f
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