ElektorWheelie | Characteristics

The kit comprises two 500-watt DC Drive motors, two motors, two 12-V lead acid AGM batteries, two 16-inch ABS wheels, casing control lever and assembled and tested control board with sensor board fitted on top.

Characteristics
• Two 500 W DC drive motors
• Two 12 V lead-acid AGM batteries, 9 Ah
• Two 16-inch wheels with pneumatic tyres
• H-bridge PWM motor control up to 25 A
• Automatic power off on dismount
• Fail-safe emergency cutout
• Battery charge status indicator
• Maximum speed approx. 11 mph (18 km/h)
• Range approximately 5 miles (8 km)
• Weight approximately 35 kg

Sensors:
• Invensense IDG300 (or IDG500) gyroscope
• Analog Devices ADXL320 accelerometer
• Allegro ACS755SCB-100 current sensor

 
Microcontrollers:
• ATmega16 (motor control)
• ATtiny25 (current monitoring)

 
Compiler:
• BASCOM-AVR Basic compiler