ST-link Upload maple STM32F103C8T6 USB Bootloader

STM32duino-bootloader Para carregar um programa no blue pill (STM32F103C8T6) pela porta USB é necessário ter trocar o Bootloader que está instalado de origem no MCU. Devido às contribuições de LeafLabs (Maple Bootloader) e roger clark melbourne, existe um repositório de bootloaders disponível para uma série de placas. O código-fonte disponível no GitHub no seguinte link: …

opencd init failed STM32F411RE platformio upload

Depois de carregar alguns programas para tentar piscar o led interno usando o platformio (no vscode) para uma bord stm32nucleo com o STM32F411RE, o carregamento (upload) deixou de funcionar e indicava o erro O STM32CubeProgrammer também não se conseguia ligar. Na ultima linha do log dava os seguinte erro: Entretanto depois de várias horas perdidas, …

Ben Eater eeprom programmer

O programador de eeprom indicado pelo ben eater pode ser facilmente implementado numa placa de testes (breadboard). Lista de componentes usados – 1x Arduino Nano (or most any other kind) – 2x 74HC595 – 1x 28C16 EEPROM (should also work for 28C64 or 28C256) O processo de construção do programador de eeproms está bem documentado …

Altera Cyclone IV FPGA rzrd

Altera Cyclone IV FPGA, rzrd.net board kit RZ-EasyFPGA A2.2   https://www.banggood.com/ALTERA-Cyclone-IV-EP4CE6-FPGA-Development-Board-Kit-Altera-EP4CE-NIOSII-FPGA-Board-and-USB-Downloader-Infrared-Controller-p-1622523.html The kit comes with; 1 x Mainboard 1 x USB Downloader (the usb downloader was broken) 1 x Remote Controller 1 x USB Cable Altera Cyclone IV FPGA, rzrd.net main board features: 1. the main chip of ALTERA company’s new FPGA Cyclone IV series …

Jetson Camera IMX219 8M 160 FOV

Camera de video – Jetson Camera – IMX219 8M 160 FOV https://www.aliexpress.com/item/33052983899.html 8 million pixels Photosensitive chip: IMX219 Resolution: 3280 × 2464 CMOS size: 1/4 inch Aperture (F): 2.35 Focal Length: 2.4mm Diagonal angle: 160 degrees (conventional lens is only 72 degrees) Distortion: <14.3% Support 1080p30, 720p60 and 640 × 480p90 video recording 4 screw …

PCB 3018 PCB milling

Summary of the process to make a pcb with a CNC 3018 (grbl) from the scratch Eagle phase – Preparing Gerber & Excellon files to flatcam for PCB milling Schematic Design Board design Export Gerber Files & Excellon files Build the tool path gcode files with flatcam CNC 3018 job preparation Put the V30º bit tip …

Install flatcam Ubuntu 20.04

Install flatcam linux Ubuntu 20.04 http://flatcam.org/ # get source cd src git clone https://bitbucket.org/jpcgt/flatcam cd flatcam git checkout origin/Beta # install required apt packages sudo apt-get install libgdal-dev gdal-bin sudo apt-get install libfreetype6 sudo apt-get install libfreetype6-dev sudo apt-get install libgeos-dev sudo apt-get install libpng-dev sudo apt-get install libspatialindex-dev sudo apt-get install qt5-style-plugins sudo apt-get …

Jetson nano – projectos exemplo

https://github.com/abuelgasimsaadeldin/Jetbot-Road-Following-and-Collision-Avoidance https://forums.developer.nvidia.com/t/combine-jetbot-road-following-and-collision-avoidance-tasks/178857 https://github.com/NVIDIA-AI-IOT/jetbot/tree/master/notebooks