Im currently working on a project that requires the use of 4 high torque servos. Two of which are capable of moving 40kg (servo: s8218) and the other two capable of moving 10kg (servo:mg996r). I'm also using the MKR 1010 wifi arduino board.
My question is how do i power these servos? . Do I use battery packs ? If so which batteries and around how long will they last.
Plan on 4.8 to 6V at 20 Amperes (minimum) for those heavy duty servos (100 Watt power supply, minimum).
Do not use a breadboard for power distribution, as the tracks will burn. Either solder the power connections, or use a servo power distribution PCB.
The basic rule is that the servo power supply must be capable of delivering at least the stall current, times the number of servos. The MG996R stall current is 2.5 A. The S8218 stall current 7.5A.
The battery lifetime depends on the battery capacity and the average current draw.
Do you mind taking a look at this video, at the minute 3:38
Would this work if i do it ?
Not with those high current, high power servos. Use heavy duty RC model power connectors, or a servo power distribution PCB capable of 20 Amperes.
Those servos are not toys, and if you do not wire the project properly, it will be a complete failure.
What would you recommend i use as a power source ? It needs to be portable since it will be installed inside a RC body.
Take a sheet of paper and draw up a power balance sheet of all the components used. Then they can choose a suitable energy source
RC rechargeable battery pack.
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