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# Release Notes For the Firmware

## Maintenance Team

The current and past members of the GrovePi team in alphabetical order are:

- @CleoQc
- @johnisanerd
- @karan259
- @RobertLucian

Also, we have a couple of notable contributors to the GrovePi but for other libraries:

- @marcellobarile for the NodeJS library
- @mcauser for adding different new functionalities/bug fixes/examples to our current library
- @lanselambor
- @nikkoura
- @lucavallin for coming with fixes to the Go library
- @rpedersen for C# stuff
- @k33g for Java library

## Version 1.4.0 - 27 April 2019

- Add support for setting up interrupt events on each digital port of the GrovePi, thus breaking the limit of just two available hardware interrupts #446
- Enable the Grove Dust Sensor, the Grove Encoder and the Grove Flow Meter to work on any digital port of the GrovePi and support 7 or 3 or respectively 7 devices at the same time #446

## Version 1.3.0 - 1 Aug 2018

- Fixed synchronization bugs which led to very small IO rates

  - Also caused values to overlap on other ports #412
  - Caused I2C errors when functions were called with no delay between them #409

- Small refactorization of the code to something slightly better

- Fixed the dust sensor #408
- Mitigated abnormality caused by the Raspberry Pi not supporting clock stretching on the I2C #411
- Debugged and sped up the rate of acquisition of the DHT sensor #418
- Add IR receiver functionality for any remote control and fix inherent issues with the library #416
- Add option to set the flow meter and the dust sensor on different ports other than D2 #421

## Version 1.2.7 - 20 Dec 2016

- Faster IO
- Less IO Errors
- RTC and MMA7xxx accelerometer code removed from the firmware

## Version 1.2.2 - 22 Jan 2015

- Grove Chainable RGB LED added
- Ability to persist a RGB color in memory for later use

## Version 1.2.1 - 30 Dec 2014

- Grove 4 Digit Display added

## Version 1.2.0 - 29 Dec 2014

- Grove LED Bar added
- Firmware version made available

## Version 1.1 - 13 Feb 2014

- DHT, ultrasonic, RTC code added
- Support for multiple modules for same type added (Not tested)
- Protocol made more robust