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2026-03-07 lørdag
dicker pitter
https://en.wikipedia.org/wiki/Petersglocke
> Petersglocke (pronounced [ˈpeːtɐsˌɡlɔkə]; English: "[Saint] Peter's bell"),
> commonly referred to as Dicker Pitter (German: [ˈdɪkɐ ˈpɪtɐ]; Kölsch: de
> Decke Pitter or de Dekke Pitter, pronounced [də ˌdêkə ˈpɪ̂tɐ] ⓘ, i.e. "Fat/Big
> Peter"), is the bourdon bell of Cologne Cathedral.
olimex
https://www.olimex.com/Products/FPGA/GateMate/GateMateA1-EVB/open-source-hardware
https://github.com/OLIMEX/GateMateA1-EVB
pcie
> This connector is a 16-pin, 0.5mm pitch FFC connector. The
> recommended FFC length is 50mm or shorter. The FFC must control the
> PCIe differential pair impedance to 90R+/- 10% over a continuous
> ground plane.
https://thepihut.com/products/pcie-flex-cable-for-raspberry-pi-5
https://www.digikey.com/en/products/detail/amphenol-cs-fci/62674-161121ALF/1001520
> 62674-161121ALF is Obsolete and no longer manufactured.
Raspberry Pi M.2 M-Key HAT+ bruker denne kontakten:
https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/1-1734839-6/1860472
> 1-1734839-6 is Obsolete and no longer manufactured.
erstatning:
https://www.digikey.com/en/products/detail/gct/FFC2B35-16-T/15970911
a1/a2
V15 er POR_ADJ på A1, men SER_TERM1 på A2.
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2026-03-11 onsdag
power
Input 5.5
1.1 V_core.
1.2 I/O.
1.8 I/O, PSRAM.
2.5 I/O, XO, flash, JTAG.
3.3 PMOD.
[ ] la være å regulere til 1.2 V?
olimex:
5 x TPS62A02ADRLR
https://www.lcsc.com/product-detail/C5820994.html
https://www.lcsc.com/datasheet/C5820994.pdf
köln:
5 x MPM3833C
https://www.monolithicpower.com/en/mpm3833c.html
fant ikke hos lcsc
https://www.digikey.com/en/products/detail/monolithic-power-systems-inc/MPM3833CGRH-P/9817888
lab217:
1 x MP20051DN-LF-Z = 1.1 V
https://www.monolithicpower.com/en/mp20051.html
https://www.digikey.no/no/products/detail/monolithic-power-systems-inc/MP20051DN-LF-Z/5291857
1 x MP20041DGT-GJ-LF-P = 1.8, 2.5 V
https://www.monolithicpower.com/en/mp20041.html
https://www.digikey.no/no/products/detail/monolithic-power-systems-inc/MP20041DGT-GJ-LF-P/5298806
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