Cheap 433Mhz sensor kit

Name: Cheap 433Mhz sensor kit
SKU: 16134
Price: 7.57 USD
Availability: OutOfStock
Rating: 4.62 (2 reviews)

(2 Reviews)

This is the cheap wireless sensor of your choice. Water flow pressure temperature humidity soil moisture analog 433MHz sensor.

Designed by Nico in France

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$7.57

On A Break

This is the cheap wireless sensor of your choice. Water flow pressure temperature humidity soil moisture analog 433MHz sensor.

Your 433MHz sensor This kit is based on the 433 MHz Sensor Board V2. It is fully assembled, and flashed for working at low power. Why did you make it? One board, multiple sensors. I bet that you were…

Your 433MHz sensor

This kit is based on the 433 MHz Sensor Board V2. It is fully assembled, and flashed for working at low power.

Why did you make it?

One board, multiple sensors.

I bet that you were at least as disappointed as I were with every commercial 433 MHz sensors. You never find the right one, you missed the last discount, the one you finally bought is an guzzler... what a mess. So I designed my own board.

What makes it special?

Works out of the box, Ultra low power, Stable readings. Just plug the battery in (not included) and it starts transmitting values over the air. If a receiver system is connected with Domoticz or Jeedom, the values are automatically saved every 10 minutes. It should last at least one year one a single coin cell (CR2032, not included).

Several sensors have been made compatible, just pick one :

Soil moisture capacitive sensor
Temperature DS18B20
DS18B20 in waterproof case
DHT22
Water pressure sensor: due to the wide variety of pressure ranges available on the market, the raw analog value is sent over 433MHz. You will have to make your own math to convert it to pressure.
Water flow sensor: for energy savings consideration, this is just an estimation of water flow at the moment it measures. You won’t be able to calculate the quantity of water
General analog & general digital: sends the raw value of the reading of the pin.

Do you want to program the board and add your own sensors ? Just check my hackable "433MHz sensor board".

Notes

Main board size: 26.1 x 14.3mm
Only one sensor per board in this version
Voltage: 2.7V -> 5.5V.
Energy: 5.1µA
Frequency: 433.92MHz

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The upper rate may be cheaper for several articles. 1-4 days processing time

Review Breakdown

Average Ratings

Product: (4.50)

Documentation: (4.50)

Shipping: (4.50)

Communication: (5.00)

Harry | April 16, 2021

Soil humidity sensor works great, good contact with seller.

As I ordered the sensor I was a little disappointed because it was not working as I expected,
After contacting the seller it was very fast clear, I had the wrong power supply, 1.5V instead of >4V
Now it is working like a charm with 3 AA alkaline and it is sending data every 10 minutes to Domoticz.
Overall, very satisfied, going to order more.

Mahesh | Sept. 2, 2020

Just received sensors, great communication from seller!

I just received these sensors. They operate as expected but I have not been able to run extensive field tests yet.

The best part thus far has been the excellent communication and support by the seller to get the sensors up and running. I would not hesitate to order from this seller again.

$7.57