Imported from GitHub: ckuhtz/picise · commit 0cf7411 · license CC-BY-SA-4.0

Description

Prototype for a time / location GNSS accessory for a Raspberry Pi 40-pin GPIO.

README

Picise

Prototype for a time / location accessory for a Raspberry Pi 40-pin GPIO.

Goals:

• high quality time (including pps) and location source
• low cost but not cheap
• all 3.3VDC to keep things simple
• clearance for Pi52's ICE Tower coolers

Vertical GPIO riser with

• HAT EEPROM,
• GNSS,
• GNSS battery backup,
• indicators for power and GNSS fix,
• 3.3VDC fan header.

BOM:

Digikey

Status:

2022-11-25: rev2 design in progress.

2022-11-24: rev1 assembled, working (click on video below). Planning rev2 improvements.

PCB:

Video:

2022-11-01: rev1 prototype boards received, pending assembly.

Library not published at this time. Can't remember what has which licensing where I used stuff from vendors.

License:

CC BY-SA 4.0, see LICENSE file.