Important note : in ” rules4.txt “, please be cautious if you want to make changes to the following line :

//---START : Boot Initialization and calibration commands for the onboard Touch IC
on System#Boot do
gpio,16,0
nfx,all,110000,500
timerSet,6,5
endon

On Rules#Timer=6 do
gpio,16,1
nfx,all,101010,2500
endon
//---END : Boot Initialization and calibration commands for the onboard Touch IC

//---Calibration Touch Sensor
on CalibrateTouch do
gpio,16,0
timerSet,6,3
nfx,rainbow,50
endon

This line of code is essential to correctly initialize the touch sensor(s) whenever the device is booted.