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3.3v-3a-step-down-converter-powered-by-usb-c

Without using a USB-C PD controller chip, handling communication over the USB cable, USB-C standard allows to get 5V up to 3A through a hardware availability detection. Here I show a design developed on KiCad and made through JLCPCB, powering from a USB-PD source and providing 5V and 3.3 (through a step-down converter) up to 3A.

i2c-eeprom-stm32

A fast and affordable I2C Eeprom handling library

ili9xxx-xpt2046-stm32

A set of function handling SPI, TFT LED 480x320 or 320x240 touch display controlled by an ILI9488 or ILI9341+XPT2046

st7735s-stm32

a set of functions handling a 128x160 TFT LCD display with the ST7735 SPI driver

stm32-internal-eeprom

stm32-pvd

the-gate-opener__main

READ ME before other "The Gate Opener" repositories.

the-gate-opener_millis-testing-code

the-gate-opener_pcb_base-module_kicad

KiCad design of the Gate-Opener main module PCB.

the-gate-opener_pcb_display-module_kicad

KiCad design of the Gate-Opener display module PCB.

the-gate-opener_sim800l-testing-code

Arduino sketch code ised in testing SIM800 - video 3

the-gate-opener_slides-en

Slides shown in youtube playlist

the-gate-opener_slides-it

Slides shown in youtube playlist

the-gate-opener_source-code

For Arduino-IDE

the-gate-opener_user-manual

The complete guide to the GSM Gate Opener. Two versions inside the repository: English and Italian language.

vl53l1x-stm32

This repository contains the C code of a set of functions for an STM32 microcontroller handling a VL53L1X time-of-flight sensor through the ULP APIs provided by STMicroelectronics.

w25qxxx_spi_flash_stm32

A library for STM32 handling the W25Qxxx SPI flash family by Winbond. Library includes functions needed to develop an external loader for projects involving flash.

w25qxxx_spi_flash_stm32-compactel

A library for STM32 handling the W25Qxxx SPI flash family by Winbond. Library includes functions for TouchGFX integration and functions to develop a "compact" External Loader, needing 11 to 13 kB of RAM.