Yes
I want a correct connection
Its says its wrong
I am building a mini HVAC system for mobile applications using the following components:
Arduino
Temperature sensor LM35
Battery
Voltage regulator
Fan
Heater
LCD display 16x2
Relay
Switch and
Socket
What web site?
the green LED and Volt Meter was for the purpose of testing.
click the link to download the schematic.
Mini HVAC Unit.pdf (12.0 KB)
chatGPT nonsense.
Can you please show me the schematic diagram of the circuit or connection
Please respond instead to the OP's request in post #9 and post a proper schematic diagram. Hand drawn is fine, with pins, parts and connections clearly labeled.
chatGPT blather and the 30 seconds of your effort to produce, cut and paste it into a post is not welcome on this forum.
Is this simulator Proteus ?
Did it say explicitly what was wrong, for example a floating R/W connection on the display?
Hi, @sbahlerh_andy
Can you please tell us your electronics, programming, arduino, hardware experience?
Thanks... Tom.. 
Please provide a schematic diagram using proteus simulation and without the breadboard
Sorry I don't have Proteus this is Tinkercad if I had your code I could have tested it further but I did verify it is properly functioning with the virtual volt meter.
Mini HVAC Unit.pdf (12.0 KB)
Thank you
But i dont see clearly the components
Did you use the components i mentioned above
Arduino, temperature sensor, battery, voltage regulator, switch, LCD display, fan, heater, and socket. This is the schematic diagram i need using these components on the proteus simuation app
Do you have access to the Proteus app?
Yes i do
How is Proteus indicating your wiring not working?
Its says Fatal simulation errors encountered
This is how i connected my circuit and this is how proteus respond saying error so i want to know how to connect the circuit in a correct way and which components maybe i should add. I will really appreciate a picture of schematic drawing like this one
It says "missing or invalid customer key". Probably you need to pay money before using Proteus
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