Cedar Plate Solving - Raspberry Pi 4 Compute Module 4 Enclosure CM4

This is an enclosure for Raspberry Pi CM4 Compute Module to be used with Cedar Plate solving app.
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updated April 22, 2025

Description

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This is an enclosure for Raspberry Pi 4 Compute Module to be used with Cedar Plate solving app. 

Cedar™ implements a plate-solving electronic finder for showing where in the sky your telescope is pointed.

https://github.com/smroid/cedar-server

There are two versions of this enclosure one with battery and one without.

Following hardware is needed:

Compute module 4 Lite - https://www.pishop.us/product/raspberry-pi-compute-module-4-wireless-2gb-lite-cm4102000/?searchid=0

Nano Base Board (A) for Raspberry Pi Compute Module 4  - https://www.pishop.us/product/nano-base-board-a-for-raspberry-pi-compute-module-4/

innomaker GS Camera Module with IMX296 Mono Sensor - https://www.amazon.com/dp/B093BY2TK2

2x #4 wood screws ½" (tapered) 

4x #2 wood screws  (flat)

4x M2 screws (for Imx296)

 

With battery:

EEMB Lithium Polymer Battery 3.7V 2000mAh 103454 Lipo Rechargeable Battery Pack - https://www.amazon.com/dp/B08214DJLJ

2-Pin SPST 2 Positions Round Rocker Switch Black Button https://www.amazon.com/dp/B07GKK5LKV

MH-CD42 Battery charger https://www.amazon.com/dp/B09XQB4J21

USB-C port https://www.amazon.com//dp/B0CHDRPKLD/

 

CM4-NANO-A has camera connected to cam0 port. follow wiki to change config from cam1 to cam0

https://www.waveshare.com/wiki/CM4-NANO-A

in: /boot/config.txt add line:

dtoverlay=imx296,cam0

 

Rings to hold the encosure are designed for M2.5 thumbscrews and 2.5mm thread inserts.

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The author marked this model as their own original creation.

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