We found this circuit in an 80's manual. The same configuration can be adapted to make use of modern operational amplifiers. The power supply is symmetrical.
November 2016 - Ohmite resistive current sensor chips with resistances from 10 mΩ to 100 mΩ in SMD...
In the figure we have a very low current DC to DC converter using a 555. The circuit can have...
This is a basic astable circuit using the 555 IC and driving two LEDs. The phase on a rate giving...