Table 2.

Specification of selected smart herbicide sprayer components/accessories.

S/N	Name of Component	Specification
1	XXD A2212 brushless outrunner electric motor	kV: 1000 Current rating: 12 A/60 s No-load Current: 10 V: 0.5 A Number of cells: 2–3 lithium polymer battery Dimensions: Ø27.5 × 30 mm
2	Electronic speed controller	Continuous current: 30 A Burst current: 40 A Input voltage: 2–3 cell lithium-polymer battery BEC: 2 A/5 V (linear mode) Size: 45 mm (L) × 24 mm (W) × 11 mm (H); Weight: 25 g
3	APM 2.8 flight controller	Made up of a 3-axis gyro, accelerometer, and barometer. 4-megabyte dataflash chip. Optional off-board GPS LEA-6CH module with a compass.
4	Propeller	Diameter: 10” Pitch: 4.5”
5	Flysky FS-I6 CH transmitter/receiver set	Transmitter: Channel: 6 Modulation type: GPSK RF range: 2.408–2.475 GHz Bandwidth: 500 kHz Receiver: FS-IAS 6-channel
6	BMT mini subm. water pump	Working voltage: 12 V DC Working current: 400 mA Max flow: 240 L/HPump life: >30,000 h Inlet diameter: 8 mm Outlet diameter: 8 mm
7	ZOP power 11.1 V 3S lithium-polymer battery	Capacity: 5500 MAH Continuous discharge rate: 45 C Size: 40 × 46.5 × 138
8	B6 V3 Smart Balance Charger	DC Input voltage: 11–18 v Charge power: 80 W Discharge power: 10 W Charge current range: 0.1–6 A Discharge current range: 0.1–2 A
9	Single/1 channel 5VDC 10 A relay module development board	Control Voltage: 5 V DC Max Control Capacity: 10 A@250 VAC or 10 A@30 VDC Size: 41 × 16 × 16 mm Weight: 12 g