Watch ymz000/BQ25703A_Module

Buck boost regulator module that supports 3.5V-24V input, charging 1-4 cell batteries, and programmable USB OTG output from 4.48V to 20.8V

Watch ymz000/semaduc

Watch ymz000/JD385_Documentation

Reverse engineering of the JD385 Quadrocopter

Watch ymz000/Lithium-Battery-Utility-Board

A small board containing charging, protection, load sharing and voltage boost circuitry.

Watch ymz000/Wireless-Serial

Simple project for using the esp8266 as a UART-to-WiFi bridge

Watch ymz000/nitrokey-storage-firmware

Firmware for the Nitrokey Storage device

Watch ymz000/Captain-Pugsley

Smart wifi connected motion tracker & iOS app with a personality!

Watch ymz000/OF_link_CATV_RF_test

Optical fiber link and CATV RF test device

Watch ymz000/USB-Meter

6 USB port Power Meter

Watch ymz000/STM32F1-open-source-multimeter

An open source multimeter, with dual ranges for V/I, RMS measurement, continuity, component test and more!