• On driving Eink displays

    There are 2 different known ways to drive them that are widely known:– SPI epapers, can be driven with this popular interface that is supported from Arduino, to a wide variety of MCUs– Parallel epapers also called einks like the ones that are used in Kindle & another e-readers Let’s start with the most easy…

  • External Flash IC test on ESP32C6

    External Flash IC test on ESP32C6

    In last board we send to fabrication the C6 ULP project I’ve failed miserably. Why?The board routing and schematics was Ok! But I’ve wrongly mistaken the ESP32C6 MCU using a 40 pin QFN that does not come with built in flash.You can find the open source KiCad files in this repository.Sadly that is the bad…

  • La bola de espejos mas grande

    Esta bola de espejos fue creada sobre una base de fibra de vidrio en los años 80 (1986). . Especificaciones técnicas a rellenar por Carlos: Diámetro: 140 cm Tamaño del espejo: 1,5 x 1,5 cm Material : Fibra de vidrio Movimiento : Motor interno 3 rpm con crapodina interna Destino de la esfera: Discoteca zona Puente Saavedra…