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8:19 AM
Using 10 Ohm resistor to load TP4056 seems not a good choice, because it is difficult to calibrate the loading effect. So I am now thinking to use a DC motor, such as the following.
TT130 3~6V DC motor - Adafruit
https://www.adafruit.com/product/3777
Technical Details

Rated Voltage: 3~6V

Continuous No-Load Current: 150mA +/- 10%

Min. Operating Speed (3V): 90+/- 10% RPM

Min. Operating Speed (6V): 200+/- 10% RPM

Stall Torque (3V): 0.4kg.cm

Stall Torque (6V): 0.8kg.cm

Gear Ratio: 1:48

Body Dimensions: 70 x 22 x 18mm

Wires Length: 200mm & 28 AWG

Weight: 30.6g
 
 
5 hours later…
1:10 PM
Now The Lipo 3.7V is connected to TP4056 to drive TT130 3~6V motor.
 

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