astrohat

A RPi4 compatible HAT for astronomy equipment

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References	Qty	Manufacturer	MPN	Manufacturer	MPN	Digikey	Mouser	RS	Farnell
C1	1	KEMET	C0805C104K4RACTU			399-1167-1-ND	80C0805C104K4R	6480957P	2429355RL
C2	1	MuRata	GRM31CR71H475KA12L	Murata	GRM31CR71H475KA12L	490-6521-1-ND	81GRM31CR71H475KA2L		1735545
C3, C4, C5	3	Taiyo Yuden	EMK316BBJ476ML-T			587-5425-6-ND	963EMK316BBJ476MLT	1843270	3217556
C6	1	KEMET	C0603X104J5RECAUTO			399-C0603X104J5RECAUTOCT-ND	80C0603X104J5REAUTO
C7	1	MuRata	GRM1885C1H680JA01D	Murata	GRM1885C1H680JA01D	490-1423-1-ND	81GRM39C680J50	7769355	8819858RL
C8	1	AVX	08051C821J4T2A			478-08051C821J4T2ATR-ND	58108051C821J4T2A
C10, C14, C18	3	KEMET	C0603C683K4RACAUTO			399-C0603C683K4RACAUTOTR-ND	80C0603C683K4RAUTO		3509553

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Astrohat

A RaspberryPi4 compatible hat for all your astronomy equipment. Features include:

6 12V controllable outputs @ 3A each with current monitoring (2 PWM controllable for dew heaters)
Temperature, Humidity and Pressure sensor port (external module)
1 adjustable 6-12 V output
Port for serial communication and power to external device (GPS)y
Automotive grade electonics and design

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Schematic and PCB are designed on KiCAD v5.1

Licensed under the CERN OHLv1.2 and CC-BY-SA v4 for the Documentation. 2019-2021 Pierros Papadeas.