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. 2018 Mar 22;2018:2063628. doi: 10.1155/2018/2063628

Table 2.

Characteristics of the proposed intelligent wheelchair.

Wheelchair parameters A processing device (Raspberry Pi II model B)
Height 89 cm Price $39.99
Width 61 cm Chip Broadcom BCM2836
Frame weight with batteries 58 kg Processor ARMv7 quad-core
Load capacity 110 kg Processor speed 900 MHz
Linear velocity 8 km/h Voltage and power draw 650 mA @ 5 V
Ø front wheels 20 cm GPU` Dual Core VideoCore IV Multimedia Co-Processor
Ø rear wheels 30 cm Size 85 × 56 mm
Stopping distance 1 m Memory 1 GB SD RAM @ 400 MHz
Noise 65 dBA GPIO 40
Battery life 20 km USB 2.0 4
Battery 2 × 12 v 28 Ah Ethernet 10/100mb Ethernet RJ45 Jack
Engine power 2 × 220 W 24 V Audio Multichannel HD audio over HDMI, analog stereo from 3.5 mm headphone jack