I think it’s a syntax error.
Klipper quits after
[temperature_sensor hot_end]
sensor_type = PT1000
sensor_pin = nhk:gpio29
pullup_resistor = 2200
min_temp = 0
max_temp = 275
I guess you should declare your hot_end sensor in your [tmc2209 extruder] section like (don’t copy, your hardware is different)
[extruder]
step_pin = nhk:gpio23
dir_pin = nhk:gpio24
enable_pin = !nhk:gpio25
rotation_distance = 22.7562867
gear_ratio = 50:10
microsteps = 32
full_steps_per_rotation = 400
nozzle_diameter = 0.400
filament_diameter = 1.75
heater_pin = nhk:gpio9
sensor_type = Generic 3950
sensor_pin = nhk:gpio29
min_temp = -10
max_temp = 270
max_power = 1.0
min_extrude_temp = 170
pullup_resistor = 2200
control = pid
pid_kp = 22.315
pid_ki = 1.750
pid_kd = 71.131