@felmue Yep, I read that wrong... my fault...

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@yuyun2000

Traceback (most recent call last): File "<stdin>", line 25, in <module> File "<stdin>", line 16, in setup TypeError: unexpected keyword argument 'timer_id'

@killernils Your project is feasible with UIflow2 (MicroPython). Here's the breakdown:

Hardware Compatibility:

CoreS3 (SKU:K128) supports both Unit Weight-I2C and Module13.2 Stepmotor Driver v1.1 (SKU:M039-V11) via I2C
Stepper driver provides precise control with microstepping (FULL to 1/32 step) and step counting
Weight unit offers calibration, tare function, and filter settings through UIflow2 blocks

Required Functions Implementation:

Load Cell Calibration: Use WEIGHT_I2CUnit.set_calibration() with known weights
Tare Function: Implement via WEIGHT_I2CUnit.set_reset_offset()
Stepper Control: Utilize StepMotorDriverModule methods for direction, microstepping, and PWM frequency control
Position Tracking: Count steps using motor control commands and convert to displacement based on T8x4 rod (4mm per revolution)
Data Logging: Use UIflow2's file system blocks to save CSV data to internal storage
HMI Interface: Create buttons and plots using CoreS3's display blocks

Implementation Considerations:

Ensure proper power supply (9-24V) for the stepper driver
Implement step delay logic for smooth motor movement
Add error handling for load cell over-range conditions
Use filter functions on weight readings for stable measurements

https://chat.m5stack.com/