- [x] [tone](https://www.arduino.cc/reference/en/language/functions/advanced-io/tone/) (https://github.com/zephyrproject-rtos/gsoc-2022-arduino-core/pull/100) - [x] [noTone](https://www.arduino.cc/reference/en/language/functions/advanced-io/notone/) (https://github.com/zephyrproject-rtos/gsoc-2022-arduino-core/pull/100) - [x] [pulseIn](https://www.arduino.cc/reference/en/language/functions/advanced-io/pulsein/)(https://github.com/zephyrproject-rtos/gsoc-2022-arduino-core/pull/101) - [ ] [analogWriteResolution](https://www.arduino.cc/reference/en/language/functions/analog-io/analogwriteresolution/) - [x] [random](https://www.arduino.cc/reference/en/language/functions/random-numbers/random/)(https://github.com/zephyrproject-rtos/gsoc-2022-arduino-core/pull/102) - [x] [randomSeed](https://www.arduino.cc/reference/en/language/functions/random-numbers/randomseed/)(https://github.com/zephyrproject-rtos/gsoc-2022-arduino-core/pull/102)
