BestDealPlus
  1. Home
  2. Security & Protection
  3. IoT Devices
Unfortunately, this product is no longer available.
New SHT21 Digital Humidity And Temperature Sensor Module Replace SHT11 SHT15 GY-21-HTU21
New SHT21 Digital Humidity And Temperature Sensor Module Replace SHT11 SHT15 GY-21-HTU21

New SHT21 Digital Humidity And Temperature Sensor Module Replace SHT11 SHT15 GY-21-HTU21

(5.0)
US $ 1.56
Out Of Stock
 Shop More  Best Sellers

Cheap And Discounts New SHT21 Digital Humidity And Temperature Sensor Module Replace SHT11 SHT15 GY-21-HTU21 Wholesale. Buy Directly From Merchant GC Electronics Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.

Recommends

HOT
NFC Nt/ag215 Coin Card 13.56MHz Black NFC 215 Smart Tags RFID Card 25MM Dedicated for NFC personal automation NFC 215 Tags
US $ 3.95
(5.0)
HOT
134.2KHZ EM4305 Glass Tag With Implanter FDX-B Turtle Usage Certificate Dog Chip Pet Animal Microchip
US $ 0.93
US $ 0.99
-6%
(5.0)
HOT
E Ink Display Four Color Digital Tag Electronic Esl Shelf Labels Rfid Smart Ble Label
US $ 19.12
US $ 23.90
-20%
(3.0)
RFID 125KHz T5577 Rewritable Sticker Keytag Anti Metal Interference Label Writable Key Token Tag Card Duplicate Clone NFC Tags
US $ 3.30
US $ 9.83
-66%
(5.0)
HOT
Rfid Wooden Card, NFC 216/F08/MF 1K Chip Contactless Smart Access Control RFID Wooden Card (5/10pcs)
US $ 8.34
US $ 13.90
-40%
(5.0)
HOT
for Appliances Gate,Garage Door External antenna. for 433.92MHZ Garage remote 433 mhz Signal antenna
US $ 17.51
(5.0)
5YOA 100pcs NFC Stickers NTG213 NTG215 13.56MHz RFID Tag Wet Inlay Adhesive Labels for NFC Phones
US $ 13.52
US $ 27.04
-50%
(5.0)
HOT
2.4Ghz E-Ink Esl Demo Kit Electronic Shelf Labels Sample Wireless Demo Kit E-Ink Price Tag
US $ 498.19
US $ 711.70
-30%
(5.0)
HOT
MinewTag 10pcs 4-color 3.5inch Supermarket Wireless E-ink Epaper Retail Electronic Shelf Label ESL Price Tag with Free APP
US $ 176.46
(5.0)
External antenna for Appliances Gate Garage Door for 390MHZ Garage remote Signal enhancement antenna
US $ 9.92
US $ 19.85
-50%
(5.0)
HOT
100pcs Shelled electronic tags Long Range RFID Tag ABS Long lifespan Resistant high-temperature RFID electric label Processable
US $ 85.85
US $ 101.00
-15%
(5.0)
HOT
EPC C1 GEN2 / ISO18000-6C Bluetooth UHF RFID Reader Writer Support Android / iOS 920-925 MHz / 902-928 MHz / 865-868 MHz
US $ 288.53
US $ 443.90
-35%
(5.0)
HOT
Taidacent Long Range Large Flat Nfc Card Rfid Antenna for Gate Opener 13.56mhz Antenna Pcb Flex Nfc Antenna Fpc
US $ 25.08
(5.0)
HOT
Multiple Frequency NFC Smart Card Reader Writer RFID Copier Duplicator 125KHz 13.56MHz USB Fob Programmer Key Card Copy Encrypt
US $ 18.50
US $ 28.46
-35%
(4.5)
SIMcom A7672S-LASE 4G CAT1 Core Board A7672S-LASE Development Board TTL Serial Port,support Data+voice 1pcs
US $ 17.71
US $ 35.42
-50%
(5.0)
HOT
Google Review Cards Universal NFC 213 review Cards Boost Your Reviews 13.56Mhz
US $ 4.99
(5.0)
UHF RFID antenna Vikitek VA05 high performance 5.5dBic 902-928MHZ 915MHZ enhance PC durable middle range RFID Panel antenna
US $ 126.00
(5.0)
50PCS UHF RFID Coated Paper Tag 18000-6C 860-960MHz RFID UHF Sticker Label U8/U9 Chip Electronic label 915 MHz High Quality
US $ 5.74
US $ 12.77
-55%
(5.0)
50 PCS BD Waterproof 38DBi GPS Timing Antenna L1 B1 Base Station Antenna For Communication G0LONASS Galileo Antenna
US $ 2,625.00
(5.0)
HOT
Factory Bluetooth Ble 5.0 E-Ink Digital Price Tags Smart Price Tag Electronic Shelf Label EPaper ESL
US $ 93.77
US $ 104.18
-10%
(5.0)
390mhz Antenna Outdoor Waterproof Ultra-long Distance Extender For Remote Control Transmitter Opener for Garage Door Gate
US $ 9.93
US $ 29.77
-66%
(5.0)
HOT
3pcs Slim Size NFC Google Reviews for Google Reviews Social Business Review Cards NFC Stand
US $ 11.57
(5.0)
BAAZ HOT 10 PCS For PS5 Hall Electromagnetic Joystick Potentiometer High Precision Metal+Plastic Adjustable Electromagnetic IC J
US $ 13.85
US $ 20.37
-32%
(5.0)
Garage Gate Antenna 868mhz Door Remote Control 868.35mhz 868.8 Transmitter Radio Signal Booster Wireless Repeater Up to 200m
US $ 7.20
US $ 12.00
-40%
(5.0)
Waterproof NTAG215 Epoxy NFC tags for amiibo Tagmo Samsung Galaxy Sony Xperia Nokia Nexus7 LG HTC NFC Mobile Phone Device
US $ 1.89
US $ 1.99
-5%
(5.0)
HOT
Supermarket 2.13 inch esl wireless Ble eink epaper electronic shelf label
US $ 18.57
US $ 20.63
-10%
(5.0)
HOT
Eink Epaper Badge Electronic badge Employee ID card Powerless Digital NFC Display Tag Price Label eink ID card
US $ 44.23
US $ 83.46
-47%
(5.0)
HOT
10pcs 9515 Shelled electronic tag Long Range RFID Tag ABS Long lifespan electric label Good RF performance Warehouse Management
US $ 9.35
US $ 11.00
-15%
(5.0)
HOT
Retail Small 2.13" Electronic Shelf Price Label Price hang Tag Ble Price Tag
US $ 16.71
US $ 20.89
-20%
(3.0)
HOT
E Ink Display Color Digital Tag 2.9Inch 4.2Inch Electronic Esl Shelf Labels Rfid Smart Ble Label
US $ 39.19
US $ 60.29
-35%
(5.0)
HOT
NFC NT/ag213 Coin TAG Key 13.56MHz NFC 213 Card Label RFID IOS14443A Ultralight Tags 25mm Diameter Round NFC 213 Pvc Coin Card
US $ 9.02
(5.0)
HOT
Free Shipping UHFKILL From RRG Support killing the UHF Label
US $ 1,499.00
(5.0)
HOT
100pcs/Lot 125khz 13.56mhz RFID Tag Keychain TK4100 Adhesive Sticker Coin Card Read Only NFC ID IC Card Key Diameter 25mm DIY
US $ 14.98
US $ 19.98
-25%
(5.0)
HOT
3.7" Electronic Shelf Label Display Store Price Label Supermarket Ble Electronic Price Tag
US $ 29.96
US $ 37.44
-20%
(5.0)
SIMCOM A7672G USB Dongle Core Board LTE CAT1+2G+Global Version Module A7672 B1 B2 B3 B4 B5 B7 B8 B20 B25 For IoT Applications
US $ 17.16
US $ 34.32
-50%
(5.0)
HOT
10PCS RFID F08 Fudan S50 Proximity PVC Card For RFID Door Lock and Hotel Key Card 13.56MHZ
US $ 3.19
(5.0)
2025 Universal 433Mhz Cable Antenna For Gate Garage Radio Signal Booster Repeater Outdoor Waterproof Gate Control Antenn,Univers
US $ 10.02
US $ 16.16
-38%
(5.0)
B64C 35X35mm 1Dbi Antenna Integrated 868-928Mhz All-In-1 UHF RFID Module(1Dbi EU USB) Durable Easy Install
US $ 35.83
US $ 77.89
-54%
(5.0)
ABKI-10 Piece For PS4 Hall Electromagnetic Joystick Potentiometer Orange & Green Metal+Plastic Adjustable Electromagnetic IC Joy
US $ 12.25
US $ 18.84
-35%
(5.0)
HOT
5/10pcs RFID 125Khz T5577 Anti-Interference Mobile Phone Sticker Writable EM4305 Cartoon Tags Stickers Proximity Label
US $ 4.59
(4.8)
HOT
RFID tag UHF sticker automobile headlight EPC 6C 915mhz868mhz860-960MHZ M4QT waterproof adhensive passive RFID Windshield label
US $ 0.68
(5.0)
HOT
R5 Wearable RFID Reader Bluetooth UHF Impinj E710 Tags Scanner 920-925 MHz / 902-928 MHz / 865-868 MHz Support Android/iOS
US $ 288.53
US $ 443.90
-35%
(5.0)
HOT
1pcs New ID 125Khz EM4100 TK400 Mini USB RFID Reader for For Android Mobile Phone OTG Mirco / typec smaller and faster
US $ 8.50
US $ 10.00
-15%
(5.0)
HOT
RFID Reader 125KHZ/134.2KHz Microchip Encoder ISO11784 / ISO11785 FDX-B EMID Animal Tag Writer Desktop Programmer
US $ 35.75
US $ 55.00
-35%
(5.0)
HOT
UHF HF White Card NXP UCODE9 FM1108 Chip PVC Material 915Mhz+13.56Mhz UHF HF White Card High Sensitivity Rfid antenna Card
US $ 8.47
(5.0)
HOT
mini album keychains self-made mini CD small pendants high-appearance-value and creative NFC keychains backpack pendants DIY
US $ 13.74
US $ 19.08
-28%
(5.0)
NFC 215 Programmable QR code TAP Google Review Acrylic Stickers Card NFC Station Table 13.56Mhz Waterproof NFC Stand Review Card
US $ 4.84
(5.0)
50 PCS RF Cable Adapter With TNC Male Connector 100mm Outgoing Double Tooth Nut Model RG178 For Outgoing Communications
US $ 21.00
(5.0)