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ACEIRMC ACEIRMC 4pcs Si7021 GY-21 SHT21 HTU21 Digital Humidity Temperature Sensor Module Replacement for SHT11 SHT15
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ACEIRMC

ACEIRMC 4pcs Si7021 GY-21 SHT21 HTU21 Digital Humidity Temperature Sensor Module Replacement for SHT11 SHT15

★★★★★4.7(6 ratings on Amazon)
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₹3,350.81

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Dispatch

2–4 days

Transit

8–14 days

Delivery

12–21 days

Est. delivery: Tue, 5 May – Thu, 14 May

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About this item

Key details

Brand
ACEIRMC
  • The humidity and temperature sensor board that carries a digital SHT21 humidity and temperature sensor from Sensirion.
  • Si7021 GY-21 Module Industrial High Precision Humidity Sensor I2C IIC Interface Module For Arduino Low Power CMOS IC Module
  • It has a 4-pin interface that can communicate directly with the analog pins
  • It can be used as a hardware- and software-compatible drop-in upgrade for existing RH/temperature sensors in 3x3 mm DFN-6 packages, featuring precision sensing over a wider range and lower power consumption.
  • The Si7021 offers an accurate, low-power, factory-calibrated digital solution ideal for measuring humidity, dew-point, and temperature, in applications ranging from HVAC/R and asset tracking to industrial and consumer platforms.

Pros

  • • [PRO 1]
  • • [PRO 2]
  • • [PRO 3]

Cons

  • • [CON 1]
  • • [CON 2]

Common Questions

Is this product genuine and authentic?
Yes. All products on Poshace are 100% authentic, sourced directly from authorized US suppliers. Every order comes with a GST invoice as proof of authenticity.
How long does delivery take to India?
Estimated delivery is 12–21 business days from the date of dispatch. We ship via FedEx and DHL with end-to-end tracking provided on every order.
Are customs duties and taxes included in the price?
Yes, completely. The price you see is the price you pay — no hidden customs fees, no surprise charges at delivery.
What is the return policy?
We offer a 7-day free return policy. If you're not satisfied, return the product within 7 days of delivery for a full refund. The item must be unused and in original packaging.

What customers say

★★★★★

“Bought on PoshAce to save vs Amazon. Tracking was clear the whole way.”

— Ria, Bengaluru

Verified Buyer

★★★★★

“Saved ₹2,400 vs Amazon India on the same model. Legit product, sealed box.”

— Rohan, Chennai

Verified Buyer

★★★★★

“First time buying internationally. Customs and duties were included. No surprises.”

— Ananya, Kolkata

Verified Buyer

★★★★★

“Compared 3 sites. PoshAce was ₹1,800 cheaper. Shipped and tracked as promised.”

— Aditya, Lucknow

Verified Buyer

★★★★★

“GST invoice was ready the same day. Perfect for business expense claims.”

— Nisha, Bhopal

Verified Buyer

★★★★★

“I've ordered 4 times now. Consistent quality and pricing every single time.”

— Swati, Kochi

Verified Buyer

Quick Overview

  • ✓The humidity and temperature sensor board that carries a digital SHT21 humidity and temperature sensor from Sensirion.
  • ✓Si7021 GY-21 Module Industrial High Precision Humidity Sensor I2C IIC Interface Module For Arduino Low Power CMOS IC Module
  • ✓It has a 4-pin interface that can communicate directly with the analog pins
  • ✓It can be used as a hardware- and software-compatible drop-in upgrade for existing RH/temperature sensors in 3x3 mm DFN-6 packages, featuring precision sensing over a wider range and lower power consumption.
  • ✓The Si7021 offers an accurate, low-power, factory-calibrated digital solution ideal for measuring humidity, dew-point, and temperature, in applications ranging from HVAC/R and asset tracking to industrial and consumer platforms.
Delivery timeline
Dispatch2 to 4 days
Transit8 to 14 days
Delivery12 to 21 days

Tracking is provided end to end.

  • ACEIRMC 4pcs Si7021 GY-21 SHT21 HTU21 Digital Humidity Temperature Sensor Module Replace SHT11 SHT15 offers reliable performance and quality
  • The humidity and temperature sensor board that carries a digital SHT21 humidity and temperature sensor from Sensirion
  • Si7021 GY-21 Module Industrial High Precision Humidity Sensor I2C IIC Interface Module For Arduino Low Power CMOS IC Module
  • It has a 4-pin interface that can communicate directly with the analog pins

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