MartinD-CZ/PCB-WordClock

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Created over 4 years ago
Updated over 4 years ago

MartinD-CZ/PCB-WordClock

MartinD-CZ

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A relatively simple and quick to build 100x100 mm WordClock.

STM32F1-open-source-multimeter

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

ST-Link-V21-clone

A clone of the ST-Link V2.1 with the VCP+MSD+SWO features available.

batteryCharger

AVR-based universal battery charger

ESP8266-low-power-thermometer

ESP8266 + BME/BMP 280 low power board powered by two AA cells

Lithium-Battery-Utility-Board

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

brymen-867-869-interface-cable-rev20

An adapter cable for your Brymen 867 or 869 DMM.

brymen-867-interface-cable

A DIY cable I use to connect to my Brymen 867 multimeter

AVR-Li-Ion-charger

ATtiny44-based USB-powered buck converter with adjustable charging parameters via serial

BrymenConnector21

Another version of my Brymen 867/869 adapter cable.

Wireless-Serial

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

TheCharginator

Upcycle your old ATX power supply into this 11-port QC-compatible charging monstrosity!

ATtiny13-continuity-tester

ATtiny13-based continuity meter

Lithium-Battery-Series-Charger

a board which enables you to charge multiple lithium cells in series with protection and balancing

QC3.0-board

A buck converter with a QC 3.0 compatible output

stm32-watch

A simple 60-LED watch

Seven-Segment-Multifunction-Display

A display which can either display voltage or act as a UART/I2C display.

uart-isolator

a very simple and cheap UART isolator

HAL-drivers

A repo with drivers/libraries for various ICs