I noticed you are very active on freelancer and your profile seems skillful. I have a project and need a quote for the following.
Portable handheld personal gas safety monitor , max sensors 5 gasses, large lcd with graphic design, will be capable of detecting various gases simultaneously. must have a menu for sensor configuration of up to 6 different combinations of 5 gasses and also options of less gases , 2-3-4 gasses. Alarm data memory, Vibrating audio visual alarm, Blue tooth alarm data transfer to pc for printing, real time and date clock, battery life indicator , low power consumption and long battery life of 18 + hours, Charging station with auto calibration and bump test Via the blue tooth module in detector and charging station. Calibration due warning, two alarm set points for each gas , possible internal pump for purging gas sample.
we will need a easy programming solution,BOM, gerber files for PCB design ( i will give you maximum pcb layout size, we will need future software updates on different price bracket, all materials and sensors will be supplied, calibration gasses will be paid for.
Thanks, please let me know what you think, max time is 60 days.