Open Source Projects

This device allows you to control headlights/horn/fan/etc on a typical e-bike/e-scooter. Based on a STM32F103 Blue pill board (https://wiki.stm32duino.com/index.php?title=Blue_Pill). Supply power: 12V. Switches 12-150V devices. Supports CAN bus and https://github.com/VasiliSker/LEVCAN/ protocol.

Overview - Two LEDs are powered by a single watch battery. A 555 timer is used to generate the pulse timing for the two LEDs. Board + 2-sided board + through-holes ++ Vias, ground stitching, battery holder's alignment/relief tabs. Parts + All surface-mount parts

Ground plane's effect on a 50 ohm signal line on a 2-sided test board.

Equipo para medir caudal de agua, según ensayo de IP

Simple LM386 amplifier for Arduino Text-to-Speech library.

Wunderground client with 1.8" TFT display based on WeMOS D1 Mini.