LM3914 Moving Point Voltmeter (CB25113E)

This circuit was found in a March 1988 Radio Electronics. The voltage scale is set at R3. 19 LEDs are used in this indicator circuit.

| Clique na imagem para ampliar |

15 Channel Remote Control (CB13997E)
This decoder TTL circuit for 15-channel remote control was found in Selezione Radio, Italian...
Simple voltmeter (CB23544E)
This is the circuit of a sensitive voltmeter using a difficult-to-obtain 5 uA full-scale...
Photoelectric comparator (CB7508E)
This circuit compares two light intensities, providing the indication on an analog instrument. The...