IoT

OVERVIEW

COMPONENTS

• Solar panel: SCM 5WA/300mA/18V/240x180x23(mm) (1EA)
• Raspberrypi: 3B+ (3EA)
• Light sensor: GY-30 (3EA)
• Controller: ESC1206 (2EA)
• Battery: KB 4.5Ah/12v (2EA), AA 1.5Vbattery (8EA)(optional)
• Stepper Motor: NEMA17/ 12V/0.4A/1.8 degree/ 280mN.m holding torque (1EA)
• Motor driver: L298N (1EA)
• Converter: Boost-Buck Converter-LM2577,LM2596/ input voltage:3.5V-28V/ output voltage: 1.25V-26V (1EA)
• etc) Holder, wires, somethings for balancing.

TOP

• Solar panel
  • Receive electronic power with rotatation.
  • Expected power generation: 5W(Solar panel)* 3.5h(average amount of Sunshine)=17.5Wh

MIDDLE

• 3 light sensor and 2 Raspberrypi
  • Each light sensor connect to each raspberrypi(another one is located at bottom)
  • Each light sensor receive light value and tranfer it to raspberrypi
  • Each raspberrypi receive the value and send it to Server

def readIlluminance():
    i2c = smbus.SMBus(I2C_CH)
    luxBytes = i2c.read_i2c_block_data(BH1750_DEV_ADDR, CONT_H_RES_MODE, 2)
    lux = int.from_bytes(luxBytes, byteorder='big')
    i2c.close()
    return lux

BOTTOM

• Solar(Controller& Battery) and Learning System
  • Controller receive power from panel, store that in battery and run raspberrypi.
  • One raspberrypi do learn, run motor as angle learned and has role of switch to tranfer power to ‘House 2’ if transaction were happened through Blockchain system.