PCI Express
	https://hackaday.com/2023/07/20/pcie-for-hackers-an-m-2-card-journey/
	https://hackaday.com/2023/07/25/pcie-for-hackers-our-m-2-card-is-done/

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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 62674-161121ALF is Obsolete and no longer manufactured.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 1-1734839-6 is Obsolete and no longer manufactured.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

* hvordan koble én pinne i symbol til flere pinner i fotavtrykk?

radiona
	https://github.com/intergalaktik/ulx5m-gs

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2026-03-14 lørdag

power
	MP20051DN-LF-Z gir bare 1 A, men gatemate trenger litt over 2 A ved 1.1 V:
	Figure 4.3: CCGM1A1 total power consumption based on Galois-LFSR

	kan ST LD39200 passe?
	LD39200PUR
	«2 A garantert»
	https://www.st.com/en/power-management/ld39200.html
	https://www.digikey.com/en/products/detail/stmicroelectronics/LD39200PUR/6691405

	er 2 A * (5.1 V - 1.1 V) = 8 W effekt varme i regulatoren for mye?
	https://www.ti.com/download/trng/docs/seminar/Topic%2010%20-%20Thermal%20Design%20Consideration%20for%20Surface%20Mount%20Layouts%20.pdf

dip-switch
	https://www.lcsc.com/product-detail/C319050.html
	Dip Switch SPST 4 Position Surface Mount-8P,5.4x6.7mm Slide, Recessed 25mA 24V

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2026-03-16 mandag

configuration
	MRAM?
	https://www.digikey.no/en/products/detail/everspin-technologies-inc/MR10Q010CSC/16546851