last info from PCBWAY website here vote from wolrd to Mr Usman Echo Project :
range point from 1 to 10.. so its not special but usefull.. its work.
scheme basic :
Detail :
Single PCB 70 x 100 mm
Quantity :10pcs 2 layers
Material : FR-4 TG130
Thickness : 1.6 mm.
Solder Mask : Blue
Silkscreen :White
Shipped at December 20th, 2017 use China Post. it s Cheap but take long time (about 2-3 week), its okay.
here the design original from Mr. Usman Pakistan visit www.pcbway.com to re order that PCB:
i revied the board .. exacly same color blue. i think next re order must change into red or green color because pcbway able to do it. see ya in pcbway.com website .my ID is W58834ASP
here my picture when unbox PCB. taken pic by Mr. Rachman.
need partlist.. mr. usman does not provide the detail componen value. well try search on google. pot hole too small.. need
oke boys... lets start put parts toghether make sure start from DC input and 78L05
check the Voltage at IC.. normal or not.. its seem okays.. then continue to next parts...
best regards,
Lam