Pocket light

A pocket light from scrap parts


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I have designed this pocket light around some scrap parts: a primary Li-SOCl2 cell sized 14500, a white LED, a slider switch, a locking push button, and a few resistors and transistors.

The circuit in the schematic is a simple constant current source and the resistors are chosen such that the current can be set to about 10, 3, or 1mA; which, considering the infrequent use, will make the light run forever.


A FreeCAD design file is published here:

Tips and support kindly accepted here: https://paypal.me/ZigaM3
Or with LBRY (LBC) credits, through my Odysee channel: https://odysee.com/@ZigaMDIY:9

I also design on redbubble: https://www.redbubble.com/people/reintegration/shop
And I promote my RB designs on Pinterest: https://www.pinterest.com/reIntegration42



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912c33b8b84deed91b3d9e72163a0ac3?default=blank&size=40alindefy added this to the 2 make collection ago
Mini sarahtorresSarahTorres added this to the HY collection ago
Mini zm youmagine logoZigaM published this design ago