Mercedes AMG Power Wheeler

Mercedes AMG Power Wheeler
https://bogza.ro/index.php/Mercedes_AMG_Power_Wheeler

Mercedes AMG Power Wheeler

Mercedes AMG Power Wheeler

Mercedes AMG Power Wheeler

Power upgrade =

URUAV 550 12V Electric Reducer Gear Case with Motor for Kids Children Ride On Car

• https://www.thingiverse.com/thing:3001523

• Current consumtion nominal: 2A

Controller upgrade

Tachometer install

• red - 12V
• green signal wire 3000rpm = 6.23Hz 10V offset 5V duty 20% range = 3.9Hz - 6.7hz
• black - gnd
• yellow - 12v

Downloaded from banggood

Code

   -- relay 1 input
   gpio.mode(6, gpio.INPUT, gpio.PULLUP )
   -- relay 2 input
   gpio.mode(7, gpio.INPUT, gpio.PULLUP )
   -- power switch control output
   gpio.mode(1, gpio.OUTPUT )
   -- relay 1 ouput
   gpio.mode(2, gpio.OUTPUT )
   -- relay 2 ouput
   gpio.mode(5, gpio.OUTPUT )
   
   relay1 = 0
   relay2 = 0
   
   function toggle_output_pwm()
       gpio.write(1, gpio.HIGH)
       tmr.delay(10000)
       gpio.write(1, gpio.LOW)
   end
   
   function deactivate_pwm_output()
       val = adc.read(0)
       if val > 10 then
              print("Output is active:", val)
              toggle_output_pwm()
              val = adc.read(0)
              print("Output is deactivated:", val)
       end
   end
   
   function activate_pwm_output()
       val = adc.read(0)
       if val < 10 then
              print("Output is deactivated:", val)
              toggle_output_pwm()
              val = adc.read(0)
              print("Output is activated:", val)
       end
   end
   
   function on_success_callback()
       val = adc.read(0)
       if val < 10 then
              print("System voltage low (mV):", val)
       else
              print("System voltage high (mv):", val)
       end
   end
   
   function check_relay1_input()
       relay1_input = gpio.read(6) -- gpio12
       relay2_input = gpio.read(7) -- gpio13
       print("Status relay 1:", relay1_input)
       print("Status relay 2:", relay2_input)
       if relay1_input == 0 then
           -- trigger output low
           if relay1 == 0 then
               deactivate_pwm_output()
           end   
           -- activate relay 1
           relay1 = 1
           gpio.write(2, gpio.HIGH)
           activate_pwm_output()
      elseif relay2_input == 0 then
           -- trigger output low
           if relay2 == 0 then
               deactivate_pwm_output()
           end
           -- activate relay 1
           relay2 = 1
           gpio.write(5, gpio.HIGH)
           activate_pwm_output()
      else
           -- trigger output low
           deactivate_pwm_output()
           -- activate relay 1
           relay1 = 0
           relay2 = 0
           gpio.write(2, gpio.LOW)
           gpio.write(5, gpio.LOW)
      end
   end
   
   function check_relay2_input()
   
   end
   
   -- if the output is active deactivate it
   val = adc.read(0)
   if val > 10 then
          print("Output is active:", val)
          toggle_output_pwm()
          val = adc.read(0)
          print("Output is deactivated:", val)
   end
   
   mytimer = tmr.create()
   mytimer:register(10000, tmr.ALARM_AUTO, on_success_callback)
   mytimer:interval(500) -- actually, 500 mseconds is better!
   mytimer:start()
   
   mytimer1 = tmr.create()
   mytimer1:register(10000, tmr.ALARM_AUTO, check_relay1_input)
   mytimer1:interval(500) -- actually, 500 mseconds is better!
   mytimer1:start()
   
   mytimer2 = tmr.create()
   mytimer2:register(10000, tmr.ALARM_AUTO, check_relay2_input)
   mytimer2:interval(500) -- actually, 500 mseconds is better!
   mytimer2:start()

Power schematic DR01 V2.6
Component	Current part	Data sheet	Replacement power part	Comments	Color
Power mosfet	NCE30H10K	<pdf>File:NCE30H10K-NCEPowerSemiconductor.pdf</pdf>	MOSFET High Power Heated Bed Expansion Power Module		yellow
Power relays	SANYOU SARM-S112D4	<pdf>File:SANYOU_SARM-S112D4.pdf</pdf>	12V Relay 20A auto		black