WEL3005 electronic load module case (18650 cell powered)
Description
ELECTRONIC LOAD MODULE CASE. I designed a small, portable 3d printed case for WEL3005/FZ35/FZ25 modules. Modules are powered by 18650 cell with protection board and step-up converter with USB output. You can also use any other boost converter as soon as output voltage will be within desied limit od 5 - 12V. 3d printing: no support needed - case: print standing on the front panel, 03mm, 2 perimeters, 25% infill, 3 hours. - back cover: print standing on the back plate, 03mm, 2 perimeters, 25% infill, 1 hour. WHAT DO I NEED? Watch included photos please. Items list: Main electronic load module, battery protection/charging board, step-up converter / power bank module, input terminals, switch, 18650 cell. Assembly: BACK COVER: 1. print back cover 2. slide in 18650 cell with tabs on the front, solder wires to cell protection board with 1.5A fuse in series, protection board output will be connected to the input of step-up converter with switch in series. 4. prepare longer output wires from step-up converter. CASE: 1. print the case 2. prepare wires and solder them to input terminals 3. mount input terminals 4. connect input terminal wires: RED to b+ and B+, BLACK to b- and B- (two wire connection mode) 5. solder step-up converter output wires to power input of the module 6. push the module on its place DONE.
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