i am looking for pcb designer for my Solar light project and some IOT projects

Job ID: 32929271

Budget: $30 – $250 USD

hi
i want to design board for power on and off in set time automatically and charge 3s 1p 18650 batteries using solar
i am using 0.5w total 9 pcs
3 series and 1 parallel 18650 battery for 12v power
battery need to be charged by solar
lights need to power on for 4 hours per day (time i tell later)
need cost effective design you can select any component

any more questions mesg me