I'm quiet new to Arduino and electronics and I am trying to build my own speedometer with LED's. Currently I have my LED's up and running. So now its time for phase 2, input
First this speedometer is for a motorcycle bike and it needs to have to following input:
* Indicator left
* Indicator right
* Fuel Injection Sensor
* Speed sensor (magnetic)
* Temperature sensor (oil heat)Fuel Injection Sensor
This is a very important step in the process of turning on my engine. I cannot turn on my engine before this sensor calculated how many fuel it needs to burn. Of course the electronics of the bike are turned on in this process.My problem
Well to be honest 'my mistake
'. I did not calculated all the pins and I eventual got stuck with missing 1 analog input. However I think its still beatable!
My indicators can only be turned on one at the time. So its physically impossible that both left and right are turned on at the same time. I want to use this with the Fuel Injection sensor, if both left and right are turned on then this will mean the sensor is calculating how much fuel it needs to burn. If its done calculating then it will turn off both left and right indicator.The drawingMy question
Since I am quiet a noob and before I buy the components, do anyone see any problems?? Also thanks alot in advance.Side notes:
Indicators: This input is 12v but I heard it can go up a bit during driving.
Resistors: (12v - 5.7v)/0.04 = 157.5 (closest 150?)
Diodes: Forward Voltage drop will be at 0.7v