The repository is module of ThingJS (open source IoT platform). You can create custom interface too. See the repository as example.

git submodule add git@github.com:rpiontik/ThingJS-stdi.git components/thingjs_stdi

• ESP-IDF version: release/v4.0
• ThingJS-boards (https://github.com/rpiontik/ThingsJS-boards)
• ThingJS-extern (https://github.com/rpiontik/ThingJS-extern)
• ThingJS-core (https://github.com/rpiontik/ThingJS-core)

1. clock - Provide internal clock functions;
2. bit_port - Provide GPIO configuration functions;
3. HTTP - HTTP/HTTPS client;
4. DS3231 - Provide RTC functions for chip ds3231 and compatible;
5. SmartLED - Smart LED interface;
6. DS18X20 - DS18X20 interface;
7. mqttc - MQTT client.

ThingsJS is released under GNU GPL v.2 open source license.