This General Electric circuit is from the 80's. The PUTs used in this meter are not common components today.
May 2017 - Mouser Electronics already has for sale the new Littelfuse SP2555NUTG diode arrays for...
This circuit of a 1991 PE Hobbyst Handbook allows the brightness of the incandescent lamp to be...
This circuit was obtained in a 1980 publication, but it can be easily assembled today, as all...