Mercedes AMG Power Wheeler: Difference between revisions
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=== Code === | === Code === | ||
<code> | |||
-- relay 1 input | -- relay 1 input | ||
gpio.mode(6, gpio.INPUT, gpio.PULLUP ) | gpio.mode(6, gpio.INPUT, gpio.PULLUP ) | ||
Line 130: | Line 131: | ||
mytimer2:interval(500) -- actually, 500 mseconds is better! | mytimer2:interval(500) -- actually, 500 mseconds is better! | ||
mytimer2:start() | mytimer2:start() | ||
</code> | |||
{| class="wikitable" | {| class="wikitable" |
Revision as of 19:05, 1 June 2021
Mercedes AMG Power Wheeler |
|
https://bogza.ro/index.php/Mercedes_AMG_Power_Wheeler |
Power upgrade =
- 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
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()
Component | Current part | Data sheet | Replacement power part | Comments | Color |
---|---|---|---|---|---|
Power mosfet | NCE30H10K | <pdf>File:NCE30H10K-NCEPowerSemiconductor.pdf</pdf> | yellow | ||
Power relays | SANYOU SARM-S112D4 | <pdf>File:SANYOU_SARM-S112D4.pdf</pdf> | black |