BestDealPlus
  1. Home
  2. Consumer Electronics
  3. Smart Electronics
Unfortunately, this product is no longer available.
2PCS Level conversion module 5V-3V IIC UART SPI
2PCS Level conversion module 5V-3V IIC UART SPI
2PCS Level conversion module 5V-3V IIC UART SPI
2PCS Level conversion module 5V-3V IIC UART SPI

2PCS Level conversion module 5V-3V IIC UART SPI

(5.0)
US $ 0.99
Out Of Stock
 Shop More  Best Sellers

Cheap And Discounts 2PCS Level conversion module 5V-3V IIC UART SPI Wholesale. Buy Directly From Merchant Heltec Automation Official Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.

Recommends

New COLMI R06 Smart Ring with Charging Case for Men Women, Heart Rate and Blood Oxygen Monitor, IP68 & 5ATM Waterproof, Sport
US $ 23.24
US $ 72.63
-68%
(4.3)
Smart Curtain Motor with Remote Button Control 3in1 Track for Home Automation Window Treatment Pull-to-start ,15KG load capacity
US $ 49.01
US $ 104.27
-53%
(5.0)
HOT
EB-BR760ABE 380mAh Smart Watches Batteries for Samsung Gear S3 Frontier SM-R760 SM-R765 SM-R770 + Free Tools
US $ 18.00
US $ 36.01
-50%
(5.0)
JHD For 2025 New JJRC R35 RC Robot Intelligent Programming Induction Interactive Remote Control Robot Electric Robot Model
US $ 36.22
(5.0)
HOT
1pc Metal Finish Protective Case For Solar Ls05 Watch Cover Lightweight Durable Unisex Smart Watch Protector Frame
US $ 3.47
US $ 7.72
-55%
(5.0)
[2024 ] COLMI R02 Smart Ring Military Grade Titanium Steel Shell Health Monitoring IP68 & 5ATM Waterproof Multi-sport Modes
US $ 19.79
US $ 42.11
-53%
(5.0)
2025 Smart Ring with Display Screen and Touch, Wireless Charging Case, Health Manager, 5 ATM Waterproof For Men Women Smartring
US $ 22.17
US $ 44.34
-50%
(5.0)
HOT
Elegant Smart Ring for Women,Stainless Steel, Health Monitor, Multiple Sports Modes,Cloisonné Enamel Craft, 5ATM Waterproof Ring
US $ 50.94
US $ 103.97
-51%
(5.0)
HOT
B030FE 3.8V 315mAh Smart Watches Batteries for Samsung Galaxy Gear1 V700 SMV700
US $ 18.43
US $ 36.86
-50%
(5.0)
HOT
361-00098-00 Watch Battery 361-00098-00 for Garmin Fenix 5X Replacement Battery 430mAh + Free Tools
US $ 32.58
US $ 65.16
-50%
(5.0)
HOT
DeepSeek XiaoZhi Mini AI Robot | Smart Voice Chat, Emotional Companion & Interactive Learning,Portable Tech Gift
US $ 22.07
US $ 27.59
-20%
(5.0)
2025 New Smart Ring ECG/Blood Pressure Health and Sleep Monitor Multiple Sport Mode 5ATM Fitness Tracker For Men Women Smartring
US $ 41.55
US $ 83.10
-50%
(5.0)
New SR08 Smart Ring LED Display Screen Heart Rate Sleeping Sports Modes Health Monitoring Men Women Stainless steel Sports Ring
US $ 19.65
US $ 40.94
-52%
(4.7)
High-end ECG Blood Oxygen Health Smart Ring Heart Rate Blood Pressure Sleep Monitor Rings 5ATM Waterproof Multiple Sport Modes
US $ 39.70
US $ 79.40
-50%
(2.0)
HOT
Strap For Huawei Honor Band 6 Smart Wristband Bracelet Replacement Watch Strap For Huawei Band 6 Wrist Strap Metal Band
US $ 6.77
US $ 10.41
-35%
(5.0)
Smart Ring with Display Screen and Touch, Wireless Charger, Health Manager,Smart Control,5ATM Waterproof Ring Men Women 2025 New
US $ 20.53
US $ 41.07
-50%
(5.0)
HOT
2Pcs Elegant Tpu Watch Protective Case Antidrop Scratchresistant Decorative Accessory for Active 2 Watch Screen Protector
US $ 4.82
US $ 10.72
-55%
(5.0)
SR08 Smart Ring For Men Women LED Display Screen Heart Rate Blood Oxygen Monitoring Multi Sports Modes IP68 & 5ATM Waterproof
US $ 23.43
US $ 31.24
-25%
(4.4)
New R10 Waterproof Smart Ring Health Monitor Men & Women Health & Sleep Monitor Smart Rings Multi-sport Modes QRing APP
US $ 28.54
US $ 39.64
-28%
(4.6)
Qring Smart Ring R08 Women's Men Remote Control Electronic Monitor Body Temperature Sleep Tracker Fitness For Iphone IOS 2025
US $ 27.09
US $ 29.91
-9%
(4.8)
HOT
3D Protection Film for Huawei Band 10/9/8 Screen Protector, Full Coverage 99% HD Clarity Anti-scratch Bubble-Free Accessories
US $ 2.70
US $ 2.85
-5%
(4.4)
HOT
STM32 TGAM Module For Arduino Develop Kit Brainwave EEG Sensor With TGAT1 Providing SDK
US $ 57.00
US $ 60.00
-5%
(5.0)
HOT
APP00222 3.8V 370mAh Watches Batteries for Apack Fossil Explorist Gen 3 ART5004 Fossil Q Explorist 3rd Generation +Tools
US $ 23.15
US $ 51.44
-55%
(5.0)
CD12 Smartwatch Touch Encoder 2.26-inch Amoled Smart Watch With 180° Rotary Camera 2080Mah Battery GPS WIFI Global Call Compass
US $ 43.13
US $ 105.19
-59%
(4.2)
R30 ECG body temperature smart health ring heart rate blood oxygen ECG detection sleep waterproof smart ring
US $ 31.11
(5.0)
NEW Smart Ring Bluetooth Health Monitor Blood Oxygen Sleep Heart Rate Multi-sport Mode Waterproof IP68&5ATM Rings Birthday gift
US $ 16.37
US $ 32.74
-50%
(3.0)
Smart Ring Heart Rate Blood Oxygen Health and Sleep Monitor 5ATM Waterproof Multi-sport Modes Fitness Ring for Android iOS
US $ 23.56
US $ 53.54
-56%
(5.0)
Intelligent Charging Robot Voice Control Conversation Recording Induction Touch Early Education Programming Induction
US $ 14.80
US $ 28.46
-48%
(5.0)
HOT
New PL432224 280mAh Watches Batteries for Huami Amazfit EVE PL432224 + Free Tools
US $ 18.00
US $ 36.01
-50%
(5.0)
5-Antenna WiFi Camera - Full Color HD 360° Home Security Surveillance Webcam Baby Monitor (PIX-LINK GT5)
US $ 19.12
US $ 40.69
-53%
(5.0)
HOT
EB-BR170ABU Battery 3.85V 270mAh for Samsung Watch Galaxy R170 Brand-New High Quality
US $ 20.57
US $ 41.15
-50%
(5.0)
HOT
PL582624 Watches Batteries for Amazfit GTR 3 GTR 3 Pro 3Pro + Free Tools
US $ 19.29
US $ 38.58
-50%
(5.0)
HOT
100% New High Quality 3.87V 486mAh Replacement Watch Battery BW54 for Xiaomi MIUI SmartWatch S2 46mm
US $ 17.57
US $ 35.15
-50%
(5.0)
HOT
Stylish Watch Shell Protective Case Creative Watch Frame Compatible for Active 2 40mm Silver Long Lasting Accessories
US $ 2.08
US $ 4.72
-56%
(5.0)
HOT
A2181 A2277 Watches Batteries for Apple Watch Series 5 44mm for Apple Watch Series 5 40mm + Free Tools
US $ 19.72
US $ 39.44
-50%
(5.0)
R09 Smart Ring Men Women with Charging Case,Heart Rate Blood Oxygen,Skin Temperature Monitor,5ATM Waterproof For Android iOS
US $ 19.64
US $ 46.78
-58%
(4.6)
HOT
6 Pcs Watch Case Smartwatch Protection Shell Protector Clear Screen Covers Soft Rubber
US $ 4.21
US $ 10.02
-58%
(5.0)
Man Woman Smart Ring NFC Health Fitness Tracker Multi Sports Health Ring Sleep Track Heart Rate Blood Pressure Men Women
US $ 34.81
US $ 63.29
-45%
(5.0)
HOT
Halloween electric robots | Dancing pumpkin robot dolls, Halloween prank robots with music and lights – ideal Halloween gifts.
US $ 17.24
US $ 20.29
-15%
(5.0)
HOT
Rhinestone Screen Protector Smartwatch Scratch Proof Compatible For Google Watch Edge Watch Shell Protector
US $ 1.45
US $ 3.46
-58%
(5.0)
HOT
ENMESI V50 AR Glasses | 210” AR Display | 75g Lightweight,3000nits Ultra Bright | 0-6D Myopic Adjustment | ANC Audio Experienc
US $ 248.00
US $ 291.77
-15%
(5.0)
2024 COLMI R11 Smart Ring, Fidget Spinner Anxiety Relieve Ring with Charging Case for Men, Health Sleep Monitor, 5ATM Waterproof
US $ 23.69
US $ 102.79
-76%
(4.5)
HOT
Bezel Ring 46Mm For S3 Frontier Protective Protection Cover Case Replacement Bezel Ring 46Mm Gear Cover Accessory
US $ 1.80
US $ 3.67
-51%
(5.0)
Enabot EBO AIR 2 Companion Robot 2K Home Security Pet Camera Night Vison Wireless APP Remote Control for Dog Cat Baby App Contro
US $ 187.26
US $ 374.53
-50%
(5.0)
HOT
355/650mAh battery For GARMIN Fenix 5/5s/5s Plus/5X/ViVOACTIVE3 GPS watch 361-00096-00 361-00097-00 361-00098-00 361-00108-00
US $ 16.08
US $ 25.93
-38%
(4.0)
HOT
Alien Peripheral Accessories Customized Watch Decoration Suitable for Protective Case 49mm Ultra1/2 Watch Alien Case Gift DIY
US $ 27.46
US $ 39.22
-30%
(5.0)
Smart Health Rings Monitor Blood Pressure Heart Rate Blood Oxygen Sleep Ring Fitness Gift for Friend Family Colleagues Smartring
US $ 16.86
US $ 33.73
-50%
(4.0)
WiFi Smart Curtain Motor Opener Aluminum Automatic Electric Roman Pole/T/U Track 3-in-1 System Home Automation
US $ 93.45
US $ 198.82
-53%
(5.0)