Hardware

STM32F030C8T6

STM32F030C8·STMicroelectronics·LQFP-48

ST 32-bit Arm Cortex-M0 value-line MCU, LQFP-48. 48 MHz, 64 KB flash, 8 KB SRAM. Datasheet-verified.

Solar MPPT Power System

A 30 W solar battery charger with regulated 5 V and 3.3 V rails: an STM32G031 running perturb & observe MPPT and a CC/CV charge state machine, steering a TI LM5175 4-switch buck-boost through a single analog control input. Four-layer KiCad board, schematic and PCB generated from Python, with an electrothermal simulation run against the published board file.

STM32F103C8T6 - Arm Cortex-M3 MCU (Blue Pill)

STM32F103C8T6·STMicroelectronics·LQFP-48 7x7mm P0.5mm

STMicroelectronics mainstream Arm Cortex-M3 MCU. 72 MHz, 64 KB Flash, 20 KB SRAM, USB, CAN, LQFP-48. The workhorse Blue Pill microcontroller.

STM32H563RGTx

STM32H563RGTx·STMicroelectronics·LQFP-64

STMicroelectronics STM32H563RGTx — Arm Cortex-M33 microcontroller (250 MHz, 2 MB flash, 640 KB SRAM) with Ethernet MAC. LQFP-64 (10x10mm, 0.5mm pitch).

STM32H745ZITx

STM32H745ZITx·STMicroelectronics·LQFP-144

STMicroelectronics STM32H745ZI — dual-core Arm Cortex-M7 (480 MHz) + Cortex-M4 (240 MHz) STM32H7 microcontroller. LQFP-144 (20x20mm, 0.5mm pitch), 2 MB flash / 1 MB RAM.