

💧 Flow smarter, not harder — measure every drop with precision!
The Robodo 1/2'' Water Flow Hall Sensor (YF-S201) is a compact, lightweight flowmeter capable of measuring liquid flow rates between 1 and 30 liters per minute. Designed for easy integration with Arduino via interrupt pin 2, it outputs PWM pulses for precise digital flow monitoring. Suitable for both industrial and domestic applications, this sensor offers reliable hall effect technology in a sleek form factor.






| ASIN | B00REJ7QF2 |
| Best Sellers Rank | #8,185 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #14 in Flowmeters |
| Brand | Robodo |
| Colour | Red |
| Country of Origin | China |
| Customer Reviews | 3.4 3.4 out of 5 stars (63) |
| Date First Available | 24 December 2014 |
| Generic Name | Electronic.Modules |
| Importer | Bombay Electronics, 13B Shamrao Vithal Marg, Off Lamington Road. Mumbai - 400007 |
| Included Components | Robodo 1/2'' Water Flow Hall Sensor (White or Black) |
| Item Dimensions LxWxH | 50 x 50 x 50 Millimeters |
| Item Height | 50 Millimeters |
| Item Weight | 50 g |
| Item Width | 50 Millimeters |
| Item model number | YF-S201 |
| Manufacturer | Bombay Electronics, 13B Shamrao Vithal Marg, Off Lamington Road. Mumbai - 400007, Gen |
| Model number | YF-S201 |
| Number of Memory Sticks | 1 |
| Packer | Bombay Electronics, 13B Shamrao Vithal Marg, Off Lamington Road. Mumbai - 400007 |
| Product Dimensions | 5 x 5 x 5 cm; 50 g |
R**E
Good
Good product. On time delivery.
C**.
Poor quality
Quality is highly questionable. The hall sensor failed within 30min.
A**R
b
A
V**H
Not accurate
Said white Got black Not at all precise +-10% Not the manufacturer but all the sensors like this aren't accurate
D**A
good
good
R**D
Duplicate product
Product is a duplicate one , don't buy it . Our chiller is model. 5000 , in original water flow sensor regulator ic , in pcb we can find more components , but in this product while opened we can find only one magnetic sensor , this circuit is not useful for any one . Just don't buy it
S**T
It is very great full sensor for project
It is very great full sensor for project. But it affects the environmental change like temperature area. It getting output or value may change depending the voltage. It only compatible or interface with only aurdino.
N**G
Very poor not working don't buy
The product is not working as shown
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