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Alan Johnston edited this page Oct 7, 2024 · 1 revision

Solar PCB v0.2

Here is the Solar PCB v0.2:

Screen Shot 2023-01-21 at 10 27 12 PM Screen Shot 2023-01-21 at 10 27 02 PM

Here is the schematic:

cubesatsim-solar-0.2_schematic.pdf

The diodes D1 - D6 and resistors R3 and R4 are installed vertically: IMG_4617

Here is the polarity of the diodes:

IMG_4618

They are installed on the PCB top then soldered on the PCB bottom:

Trim the leads after soldering:

On the bottom, install the 1x4 pin header

IMG_4642 2

Use this pin header to test the INA219 boards before soldering and mounting them.

On the PCB bottom, install the GPIO header J1 and three 1x6 female sockets:. Alternatively, after testing the INA219 boards can be soldered directly without sockets.

updated

Flip the PCB to the top and solder.

IMG_4643

Install 3 INA219 boards on the bottom:

IMG_4644

Here they are installed. Set the jumpers as marked on the PCB.

IMG_4645

Install 12 JST 2.0 connectors on the top - there are two for each of the sides of the CubeSat. Apply a drop of superglue to the plastic before attaching them so they will hold together while plugging and unplugging cables:

IMG_4648

IMG_4651

DO NOT INSTALL a connector for the battery, as the power goes through the GPIO connector.

Install 4 female headers 1x6:

IMG_4652

Install 4 INA219 boards on the top:

IMG_4657

Here they are installed with the jumpers set per the markings on the PCB.

IMG_4667

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