Ther is a SW5.91 update on Github with next changes :
Added 115200 Baud support for Beitian Bx122 (connector has other pinout !!!)
Bugfix for M8@38400 bd
Added estimated logtime left (webserver+display). Calculates logtime with actual settings sample-rate, file selection and free space.
GPIO 19 Go to sleep pin PULLDOWN, alternative for GPIO39
GPIO 21 hold HIGH SIDE SWITCH, for if you want to use a high side switch to cut power
GPIO2 pulldown in deepsleep, was still floating
Added statscreen B , last run, best run, slowest run and average
Stat screen 500m / runs bugfix time reading : time 18:6 -> 18:06
Adapt FIR filter bat reading 0.1 -> 0.02, more consistent measurement
Auto calibration, full lipo 4.2V -> 4.3 V
Before Wifi start, min 3.4V
Override lipo calibration possible, only auto-calibrate with more then 5% too high reading
Deep sleep current -> 80 ?A without SD, with SD 550 ?A, this by deleting "hold_gpio_enable()" !!!
Here a screenshot from a T5 with 16MB flash :
Greetings, Jan.