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Project Showcase
Personal PCB Project
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caption. Caption.
This top view render of a KiCAD model is from OSH Park's ordering service.
PCB Model
Modeling
This is a preliminary model of a PCB incorporating an EFM32TG microcontroller. The board is meant to be practice at designing PCBs with KiCAD, assembling PCBs, and creating the necessary connections for a microcontroller. The board breaks out an EFM32TG microcontroller to various GPIO pins and has locations to mount header connections. The board also has a PMIC for a rechargeable coin cell battery, a low-dropout voltage regulator, a USB type-c receptacle for powering the microcontroller and charging the battery, and an LED for displaying the battery charging status. The board includes a 10 pin SWD header to aid in programming the microcontroller.
What I did
- KiCAD
- Electronics
- SMD Soldering
- Microcontroller Programming
I learned a lot from this project. I learned how to use KiCAD and all its components, how to fan out the traces from a microcontroller, how to debug and program microcontrollers using the serial wire debug interface, how to calculate the charging rate of a li-ion battery, and how to configure a PMIC to charge at that rate.
