Skip to content

Latest commit

 

History

History
46 lines (32 loc) · 2.11 KB

README.md

File metadata and controls

46 lines (32 loc) · 2.11 KB
Raw

Robot_1 is household chores helper ground drone.

Parts that will need to be present:

-Microcontroller -ESC -Motors (driveline & suction impeller, probably Centrifugal Impeller/Turbine/Compressor - see Dyson) -Battery -Charging station -Minimalistic HMI

########################################################################################################################################################################################################################################################################################################################################################################################

Rover System Notes

Battery Pack: 18650 3.7V (Fully charged 4.2V, Depleted 3.2V)

Voltage (V) should match to the device we are powering (e.g. 3D printer = 24V)

Current (A) should be supplied in enough of a magnitude to drive the load

Capacity (Ah) will determine how long the device can be powered for (e.g. 2Ah battery will supply 1A of current for 2 hours, or 0.5A for 4 hours)

Configuration:

  • Series - cells stacked positive to negative - voltage is added, current and capacity unchanged. (2 batteries in series = 2S = 7.4V)
  • Parallel - cells positive to positive, negative to negative - voltage is the same, current and capacity added (3 batteries in parallel = 3P = 3.7V but 3x current and capacity).
  • Series & Parallel - combination to achieve desired performance (2S3P: 7.4V, 3x Current & Capacity)

The most important bit is the Current - be aware that it would sometimes say that rated current is 40A, but it's most likely just a pulse discharge. Look at Continuous discharge. Cells are either optimised for high current OR high capacity, but not both. Highest continuous discharge: ~30A (1500mAh) Highest capacity: 3500mAh (10A continuous)

Better to stick with established manufacturers (LG, Samsung, Sony, Panasonic

Links: