Tag: sensor
![3 Channel Capacitive Touch Sensor with I2C 3 Channel Capacitive Touch Sensor with I2C](https://www.electronics-lab.com/wp-content/uploads/2021/10/002-8-1024x608.jpg)
3 Channel Capacitive Touch Sensor with I2C
The project described here is a 3 channel capacitive touch sensor based on CAP1203 chip from Microchip which is a multiple-channel capacitive touch sensor controller. It has 3 x individual capacitive touch sensor inputs with programmable sensitivity for use in touch sensor...
Continue Reading![Precision Thermocouple Amplifier (Thermocouple to Digital Converter with Linearization – SPI Interface) Precision Thermocouple Amplifier (Thermocouple to Digital Converter with Linearization – SPI Interface)](https://www.electronics-lab.com/wp-content/uploads/2021/07/003-5-1024x658.jpg)
Precision Thermocouple Amplifier (Thermocouple to Digital Converter with Linearization – SPI Interface)
This precision thermocouple sensor module performs cold-junction compensation and digitizes the signal from any type of thermocouple. The output data is formatted in degrees Celsius. The converter resolves temperatures to 0.0078125°C, allows readings as high as +1800°C and as low as...
Continue Reading![Humidity Meter Using OLED Display – Arduino Compatible Humidity Meter Using OLED Display – Arduino Compatible](https://www.electronics-lab.com/wp-content/uploads/2021/07/SCH-2-1024x692.jpg)
Humidity Meter Using OLED Display – Arduino Compatible
This is an easy to build, very compact, and low profile Arduino compatible platform to build a humidity meter/Gauge using a 0.96Inch OLED display. The project consists of Atmega328 microcontroller, 0.96Inch OLED display, 3.3V regulator, and HIH5030 analog humidity sensor from...
Continue Reading![Humidity Sensor – Humidity to Frequency Output Humidity Sensor – Humidity to Frequency Output](https://www.electronics-lab.com/wp-content/uploads/2021/06/010-1-1024x753.jpg)
Humidity Sensor – Humidity to Frequency Output
This sensor board provides frequency output as per relative humidity value. The project is based on a unique capacitive cell, this relative humidity sensor is designed for high volume, cost-sensitive applications such as office automation, automotive cabin air control, home...
Continue Reading![Automatic LED Stairway Lighting – Arduino Compatible Automatic LED Stairway Lighting – Arduino Compatible](https://www.electronics-lab.com/wp-content/uploads/2021/05/005-1024x541.jpg)
Automatic LED Stairway Lighting – Arduino Compatible
This creative idea is suitable for a stairway with 16 stairs, each stair can have a 12V LED. It has two sensors one at the start and one at the end of the stairs and when the sensor trigered at any end it starts a process of lighting each of the steps in a progressive cycle starts....
Continue Reading![Analog Light Sensor + Light Sensitive Switch using OPT101 Analog Light Sensor + Light Sensitive Switch using OPT101](https://www.electronics-lab.com/wp-content/uploads/2020/11/SCH-9-1024x384.jpg)
Analog Light Sensor + Light Sensitive Switch using OPT101
You may have seen many light-sensitive switch circuits based on an LDR sensor. Usually, the sensitivity of the LDR based light sensor is poor. We wanted a very sensitive light switch hence we decided to make a circuit based on a light sensor rather than LDR. After a little research on...
Continue Reading![Liquid or Air Pressure Switch with Relay Liquid or Air Pressure Switch with Relay](https://www.electronics-lab.com/wp-content/uploads/2020/11/003-5-e1605814918452-1024x616.jpg)
Liquid or Air Pressure Switch with Relay
This pressure switch project is built using a piezoresistive transducer, LM358 OPAMP as comparator, and a relay. The circuit activate the relay when the pressure in a system exceed a given set-point. Basically, this switch can power ON or OFF a pump, valve, motor, when certain...
Continue Reading![Strain Gauge Sensor Amplifier or Single Supply Instrumentation Amplifier Strain Gauge Sensor Amplifier or Single Supply Instrumentation Amplifier](https://www.electronics-lab.com/wp-content/uploads/2020/11/SCH-4-1024x608.jpg)
Strain Gauge Sensor Amplifier or Single Supply Instrumentation Amplifier
This is a new project, a single supply instrumentation amplifier with onboard bridge configuration, and a 2.5V precision reference voltage chip. The project can be configured for applications such as thermocouple amplifier, bridge amplifier, ECG amplifier, pressure sensors, medical...
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