ICL7106 Analog-to-Digital Converter with Meter Circuit
Let’s learn about the ICL7106 3½ digit A/D converter with LCD driver pinout and features, then use it to build simple digital meter circuit. Read more
Meters & Detectors
Include: Volt meters :: Sound level meter :: Analog vu meter :: Soil moisture meter :: Digital meter circuit diagram :: Temperature measurements :: Electronic measurement tools :: Frequency meters :: Best battery tester :: Transistor tester project
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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
Simple Level Voltage Detector Circuit Using LM741
Today we will be talking about the simple voltage level detector circuit. Its main purpose is to detect if the voltage rises above a certain point. Despite its simplicity, this circuit is an excellent way to learn about comparator circuits. We will use the LM741 OP-AMP as the main component of this circuit. This chip … Read more
Solar Plant Watering Alarm Circuit
Let’s make a simple plant watering alarm circuit that sounds alarms when the soil is dry. It’s powered by a self-sustainable 6V solar cell. Read more
Simple Water Alarm Circuit Diagram
It worked by sounding an alarm when the water level rose to the set level. So we can close the water valve in time and prevent an overflow. Read more