This is optimized firmware for Ender3 V2/S1 3D printers.

Marlin is an optimized firmware for RepRap 3D printers based on the Arduino platform. | Many commercial 3D printers come with Marlin installed. Check with your vendor if you need source code for yo…

Replacement for a Milight/LimitlessLED hub hosted on an ESP8266

Read the wired or wireless mbus protocol to acquire utility meter readings.

Quadrature Encoder Library for Arduino

A library that allows your Arduino to communicate via Modbus protocol, acting as a slave (master in development). Supports serial (RS-232, RS-485) and IP via Ethernet (Modbus IP).

Position control of DC motors

Telegram <-> SIP voice gateway

Easy implement rotary encoder to your application using microcontroler like ESP32

Marlin firmware for Ender 3v2 3D printers. It is based upon original Marlin repository and has many improvements from the bugfix branch.

Rotary encoder library for Arduino

Bluetooth Low Energy (BLE) controller for ESPHome

ESP32 simple VoIP phone based on SPH0645 mic and UDA1334A decoder

ESPHome support for the HI-Link HLK-LD2450 millimeter wave sensor (external component) with support for custom zones using convex polygons.

An M-bus master that poll a meter and logs data to an MQTT server

Arduino library to receive numbers dialed by a rotary telephone dial via pulse dialing

Modbus TCP client library to interact with Modbus servers such as PLCs.

Lossless event based rotary encoder+button library for Arduino and Teensy

A button library that handles multi-clicks, long clicks and click-and-hold

Arduino voip Library, Use sip protocol

A clock that tells time in plain text

Arduino library for interfacing to the fingerprint sensor in the Adafruit shop

Voip for Arduino

Open home security project

SoftwareSerial based RS485 tools for sending and receiving data packets, networking and more!

Implementation of a sofware 9bit RS485 based on the implementation of the Arduino software serial for ESP8266