Arduino Pump Controller help

good morning,

first of all, apologies if in wrong place, i'm unfamiliar arduino have been put in tight spot did work me.

the original design utilised atmega1284p pu 1324, relay , pump (12v), number pad , lcd screen. sadly have none of software available (except software stored on our board) , of schematics, guy doing me disappeared , broke contact after first few boards done.

i looking make more refined one, using official arduino mega , help.

ideally able input number trigger pump pump number of times , shut off, allowing control on amount of liquid being dosed tank.

can parts/code need purchase make reality?

i have attached picture of our old board + schematic , spec sheet of pump.

thank time , once again sorry if in wrong place.

chris

sounds simple make.

there plenty of arduino starter kits on ebay etc have lcd display , keypad , mega or normal arduino.
i'm not sure need mega.

you need transistor driver or relay control pump

but overall, yes, right place post, , yes it's not hard want, depends on level of experience

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