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established: main target region:china main product: electronic components keywords: transistors , diodes , capacitors company profile products grand parts electronics co. was founded in , is a worldwide distributor of electronic components. our main product include transistors, diodes, capacitors, resistors
established: main target region:china main product: electronic components keywords: transistors , diodes , capacitors company profile products grand parts electronics co. was founded in , is a worldwide distributor of electronic components. our main product include transistors, diodes, capacitors, resistors...
http://www.iyajean.com/supplier/grand-parts-electronics-co/
using a digital ohmmeter, i selected the non-standard voltage-divider resistors, r and r , from a pile of k and ohm resistors. then, i soldered them on the pcb, along with all the other components and the lcd connector. r was only used during development so it may be omitted. testing next, i plugged
the unmounted lcd into the pcb and did a thorough electrical check of every function, using clip leads to simulate the switches. when i was confident that everything was working, i mounted the lcd in the case, soldered the pcb to the switches, and connected the wires from the battery and sense resistor...
https://www.nutsvolts.com/magazine/article/february2011_goodsell