Here is temperature measurement using diode 1N4148 silicon type and 741- op amp, so easy. The Output … | Electronics circuit, Circuit diagram, Electronic schematics
Understanding silicon circuits: inside the ubiquitous 741 op amp
Opamp 741 Based Mini Project: Trip the Relay Using Photoresistor(LDR)
How to test a diode with tester circuit | Elec Circuit com | Diode, Circuit, Electronic circuit projects
Is this a good equivalent for te LM741 OpAmp? | Electronics Forum (Circuits, Projects and Microcontrollers)