LM311 High-speed Differential Comparator Datasheet and Pinouts
The LM311 is a differential comparator OP-AMP with a wide range of voltage. See its features, pinouts, specifications, and example circuits. Read more
CD4026 Decade Counter 7-Segment Driver Pinouts and Circuits
See the CD4026 decade counter 7-segment driver’s pinouts, specifications, features, and example 1- to 2-digit counter circuits. Read more
CD40106 Hex Inverting Schmitt Trigger Datasheet & Pinout
Let’s learn about the CD40106 hex inverting Schmitt trigger CMOS, its features, and its pinouts, together with a couple of example circuits. Read more
LED VU Meter Circuit Using Transistors or IC
Here are some LED VU meter circuit using transistors or ICs with PCB. They show the signal amplitude from an amplifier using 4 to 40 LEDs. Read more
3V to 12V DC Boost Converter Circuit
I like the 12V LED. But I have only 3V of batteries. So, No light. When using this circuit, I can get light of the LED at 100 mA. And, an adjustable output voltage.