Browse

GY21 HTU21 Temperature Sensor Module for Arduino Moisture Humidity Sensor GY-21-HTU21 Replace Original Si7021 I2C IIC Interface

Name: GY21 HTU21 Temperature Sensor Module for Arduino Moisture Humidity Sensor GY-21-HTU21 Replace Original Si7021 I2C IIC Interface
Brand: NONE
SKU: 44863650601

by NONE

£3.38

Prices updated 16 Jul 2026

Compare 1 Retailer

Prices checked 10d ago

AliExpress UK

BEST PRICE

In stock£1.99 delivery

10 deals available

£3.38

£5.37 total inc. delivery

Best Price

Amazon

Check live price on Amazon.co.uk

eBay

Check availability and price on eBay.co.uk. Yorkshire.com may be paid for purchases made through this link, by eBay Partner Network.

Check on eBay

Can’t find it elsewhere?

Search Amazon Search eBay

Product Description

GY21 HTU21 Temperature Sensor Module for Arduino Moisture Humidity Sensor GY-21-HTU21 Replace Original Si7021 I2C IIC Interface

More products from AliExpress UK

Browse their full range on Yorkshire.com

Popular on Yorkshire.com

Microsoft Windows 11 Pro OEM License

£9.49

White circular device with an orange top labeled "TX," featuring a USB-C and HDMI connector, designed for wireless display extension.

j5create ScreenCast USB-C Wireless Display HDMI Extender

£58.39

Draper 35879 Oil Pressure Test Kit in a blue plastic case, featuring a pressure gauge, flexible hose, and 11 metal adapters for various applications.

Draper Oil Pressure Test Kit - 12 Piece

£70.97

Blue and white packaging for "Gut Works" by DR VEGAN, featuring 50 billion live cultures, with 30 capsules inside, labeled as plastic-free and compostable.

DR.VEGAN Gut Works® 30 Capsules

£28.99

Clear glass bottle with a pump dispenser, labeled "Galactomyces 95 Tone Balancing Essence" in pink and white text, containing 3.38 fl oz (100 ml) of product.

COSRX Galactomyces 95 Tone Balancing Essence 100ml

£13.75

Green PVC reinforced hose coiled neatly, measuring 30m in length and 12.5mm in diameter, secured with blue straps for easy handling.

Faithfull 30m PVC Reinforced Hose

£25.90

What You're Buying

What Yorkshire.com visitors have been buying recently

Elbrus Multi, Sustainable Feather, Cushion - Andrew Martin Linen Blend Stripe

£95.00

Miu Miu MU 54YS 5AK06I Sunglasses

£259.00

200mm Knauf Loft Roll 44 Insulation Combi-Cut (6.84m2/Roll)

£39.30

Hugo Boss Flawless Women's Multifunction Watch - 36mm Rose Gold Dial with Silver Mesh Bracelet

£179.00

Saint Laurent SL 276 MICA 001 Sunglasses

£169.00

Winna $250 Gift Card

£236.86

From£3.38AliExpress UK

Buy Now