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Sensors

Sensors are devices that detect and respond to physical stimuli such as light, heat, sound, motion, or pressure.

eBUS Adapter Stick C6 is a reduced size version of previous highly demanded eBUS Adapter Shields and provides an interface to a 2-wire eBUS with galvanic isolation for enabling communication with an eBUS enabled heating, ventilation or solar system. With a size of 42 x 16 mm it is way smaller than the previous Shield versions, but still supports an USR-ES1 module being plugged onto it for having Ethernet access. Even better, with the upcoming firmware version for the ESP32-C6, it automatically scans the heating components and makes all data available via MQTT to e.g. Home Assistant with auto discovery of entities.

eBUS Adapter Stick C6 - tiny version of eBUS Adapter Shield

8249

17

0

John Baier

John Baier

8249

17
A highly configurable, low-power current probe.

Battery-powered current sense amplifier

24320

16

0

Miroslav Hancar

Miroslav Hancar

24320

16
Project #28 – Sensors – MQ-135 Gas Sensor – Mk22

Project #28 – Sensors – MQ-135 Gas Sensor – Mk22

702

15

0

Luc Paquin

Luc Paquin

702

15
A portable, GPS-enabled device to measure river water quality at multiple city locations, storing data for later mapping and analysis, built with low-cost sensors and an ESP32 board.

Smart Rivers: Mapping Water Quality with a Portable Device

28699

17

2

Lucas Soares

Lucas Soares

28699

17
In this tutorial, I am going to talk about the PC817 Optocoupler which is one of the most common and inexpensive 4-pin optocouplers.

All About PC817 Optocoupler

3646

17

0

tarantula3

tarantula3

3646

17
Discover the DIY Digital Oscilloscope: affordable, easy-to-build, and perfect for hobbyists, students, and professionals.And it also very cheap to build it.

AMAZING DIY DIGITAL OSCILLOSCOPE (VERY CHEAP)

24939

16

0

DIY TECHOS

DIY TECHOS

24939

16
Project #28 – Sensors – Water Sensor – Mk26

Project #28 – Sensors – Water Sensor – Mk26

8322

17

0

Luc Paquin

Luc Paquin

8322

17
Dive into my hands-on review of the Elecrow All-in-One Starter Kit for Micro:bit. See what’s really inside the box, how fast you can get started (even if you’re a total beginner), what works great and what could be improved, and why this kit just might be the perfect solution for students, teachers, makers, or anyone curious about electronics and coding!

Elecrow All‑in‑One Micro:bit Starter Kit Reviewed

16236

18

0

Francois MOCQ

Francois MOCQ

16236

18
Project #29 - DFRobot - RTC - Mk31

Project #29 - DFRobot - RTC - Mk31

17206

17

0

Luc Paquin

Luc Paquin

17206

17
This innovative project is a robotic lion model made entirely using e-waste and recycled materials. It uses an ultrasonic sensor to detect nearby objects (within 2 meters), responds with a realistic roaring sound, and wagging tail movement through a servo motor. Designed to encourage sustainability and creative reuse of discarded electronics, this project blends environmental awareness with practical electronics and coding skills, making it perfect for student learning and STEM outreach.

Sensor-Based E-Waste Lion Model with Sound & Motion Response

30424

10

2

2nd Electronic Design Contest

pratibha gahlot

pratibha gahlot

30424

10
These miniature metal detectors cannot boast of any great sensitivity, but it would still be good to make them for any enthusiast in this field, especially because of the opportunity to study in detail the way such devices work.

Review and Comparison of Three Inexpensive Metal Detector Ki

23171

10

0

Mirko Pavleski

Mirko Pavleski

23171

10
Project #28 – Sensors – Barometer – Mk25

Project #28 – Sensors – Barometer – Mk25

3044

15

0

Luc Paquin

Luc Paquin

3044

15
This guide describes how to build the XIAO METER demo board, designed to easily test a wide range of sensors using the XIAO SAMD21 by Seeed Studio, the smallest member of the Seeeduino family. The module measures only 20×17.5×3.5mm, and features a Cortex-M0 microcontroller, 11 I/O pins, and supports UART, I2C, and SPI communication. It is fully compatible with the Arduino IDE.

XIAO METER Demo Board for XIAO SAMD21

2133

14

0

2nd Electronic Design Contest

Adrirobot

Adrirobot

2133

14
Project #15: Environment – Crowtail Moisture Sensor – Mk22

Project #15: Environment – Crowtail Moisture Sensor – Mk22

8843

10

0

Luc Paquin

Luc Paquin

8843

10
SAMD21G18A Sensor Board with Color Oled

SAMD21G18A Sensor Board with Color Oled

13965

9

0

2nd Electronic Design Contest

Pabec

Pabec

13965

9
Project #28 – Sensors – PIR – Mk23

Project #28 – Sensors – PIR – Mk23

1456

17

0

Luc Paquin

Luc Paquin

1456

17

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