BestDealPlus
  1. Home
  2. Consumer Electronics
  3. Smart Electronics
Holyiot nRF52840 Bluetooth 5.0 low energy programmable usb Button hardware reset Receiver dongle support DFU
Holyiot nRF52840 Bluetooth 5.0 low energy programmable usb Button hardware reset Receiver dongle support DFU
Holyiot nRF52840 Bluetooth 5.0 low energy programmable usb Button hardware reset Receiver dongle support DFU

Holyiot nRF52840 Bluetooth 5.0 low energy programmable usb Button hardware reset Receiver dongle support DFU

(5.0)
US $ 14.90
In Stock
FREE SHIPPING WORLDWIDE
 View More  Shop Now

Cheap And Discounts Holyiot nRF52840 Bluetooth 5.0 low energy programmable usb Button hardware reset Receiver dongle support DFU Wholesale. Buy Directly From Merchant holyiot Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.

Recommends

HOT
ESP32-S3 1.91inch AMOLED Display Development Board, 240×536 Pixels, 32-bit LX7 Dual-Core Processor
US $ 29.36
US $ 32.62
-10%
(5.0)
HOT
LIGE Smart Glasses AI Translate Bluetooth Call Voice Assistant Control Camera Video Recording Identify Object Smart Sunglasses
US $ 47.63
US $ 264.61
-82%
(5.0)
New Smart Ring Men Women Camera Control Blood Oxygen Sleep Health Monitoring Multi-sports Mode smartring IP68 Waterproof Rings
US $ 16.31
US $ 32.63
-50%
(5.0)
New Smart Ring R09 Health Monitor Multi Sport Mode Skin Temperature Measurement 5ATM Waterproof Smart Ring With Charging Case
US $ 25.83
US $ 51.65
-50%
(4.6)
HOT
RAK2270 RAK Sticker Tracker
US $ 13.90
(5.0)
5-Antenna WiFi Camera - Full Color HD 360° Home Security Surveillance Webcam Baby Monitor (PIX-LINK GT5)
US $ 21.10
US $ 42.20
-50%
(5.0)
HOT
Hi-Link Original OPENWRT MT7628NN Wireless WiFi Router Module with 64M/128M/256M+16M/32M/64M HLK-7628N HLK-7628NL HLK-7628NS
US $ 7.10
US $ 7.40
-4%
(5.0)
HOT
WisBlock Mini Base Board | RAK19003
US $ 8.99
(5.0)
2025 New Smart Ring Lady Heart Rate Sleep Health Monitor Menstrual cycle detection IP68 Waterproof Fashion Sport Rings Women Men
US $ 33.23
US $ 66.46
-49%
(5.0)
HOT
LIGE Fashion Gradient AI Smart Glasses Translator Make Answer Call Voice Assistant Listen Song Sunglasses AI Translation Glasses
US $ 29.99
US $ 149.94
-80%
(3.5)
HOT
WisBlock Base Board 2nd Gen | RAK19007
US $ 9.99
(5.0)
COLMI R12 Smart Ring with Display Screen and Touch, Health Manager, Wireless Charging, 5 ATM Waterproof For Men Women
US $ 30.01
US $ 74.95
-59%
(4.5)
HOT
Rail-Mounted DC-DC Isolated Adjustable Power Supply Input 12-24V 0-24V Output Supports Modbus RS485 Industrial DIN Rail
US $ 18.26
US $ 34.46
-47%
(5.0)
[2024 ] COLMI R02 Smart Ring Military Grade Titanium Steel Shell Health Monitoring IP68 & 5ATM Waterproof Multi-sport Modes
US $ 21.22
US $ 46.25
-54%
(5.0)
HOT
For Yachet 19 Inch Full IP65 Waterproof Marine LCD Monitor of 4 wire resistive touch For Business
US $ 1,131.05
(5.0)
HOT
Smart Ring 8Mm Transparent Multi-Functional For Touch Unlock Waterproof No Charging Required
US $ 1.97
US $ 4.02
-51%
(5.0)
HOT
AI Smart Glasses With Camera Bluetooth Call Voice Assistant Control Navigation Waterproof Smart Sports Wearable Camera Glasses
US $ 44.19
US $ 259.95
-83%
(5.0)
New COLMI R06 Smart Ring with Charging Case for Men Women, Heart Rate and Blood Oxygen Monitor, IP68 & 5ATM Waterproof, Sport
US $ 23.74
US $ 71.95
-67%
(4.5)
HOT
PN2-IO16T Modbus Remote Profinet IO Module For Siemens PLC S7 200smart 300 1200 1500 PN2A-IM24R PN1-IO16R 6AI 6AO 16DI 16O
US $ 79.17
(5.0)
HOT
Heltec Capsule Sensor V3 LoRa + GNSS / Temperature&Humidity / 3-Axis / Barometic Pressure Barometic Pressure for Meshtatic IoT
US $ 29.16
(5.0)
HOT
Raspberry Pi RP2040 Core Module for LoRaWAN with LoRa SX1262 | RAK11310
US $ 9.94
(5.0)
New Screen Smart Ring Tiktok Control Waterproof Multi-Sports Man Woman Heart rate Blood Pressure Sleep Health Gift Rings
US $ 24.60
US $ 49.19
-49%
(3.5)
New Smart Ring 2025 Bluetooth Call Heart Rate Blood Pressure Monitor smartring 5ATM Waterproof Sports Health ring Men Women Gift
US $ 15.97
US $ 31.94
-50%
(5.0)
HOT
New for Pilz PNOZ s1 751101 24V Safety Relay Module
US $ 359.90
US $ 514.14
-30%
(5.0)
HOT
AI High Level Smart Glasses Wireless Real-Time Translation Glasses with AI Photography Voice Calls Music Playback Versatile
US $ 54.80
US $ 109.60
-50%
(5.0)
New For Android IOS Smart Ring IP68 Waterproof Heart Rate Health Monitoring Sports Pedometer Fitness Rings Diamond Fashion Women
US $ 33.03
US $ 66.06
-50%
(5.0)
HOT
DeepSeek XiaoZhi Mini AI Robot | Smart Voice Chat, Emotional Companion & Interactive Learning,Portable Tech Gift
US $ 27.53
US $ 28.98
-5%
(5.0)
COLMI R06 Smart Ring Men Women, Heart Rate and Blood Oxygen Monitor, IP68 & 5ATM Waterproof, Multi-sport Mode
US $ 22.29
US $ 44.59
-50%
(3.6)
HOT
Millimeter wave radar has the function of the human body static movement perception SEN0395 human existence detection
US $ 50.00
(5.0)
Smart Curtain Motor with Remote Button Control 3in1 Track for Home Automation Window Treatment Pull-to-start ,15KG load capacity
US $ 54.12
US $ 108.24
-50%
(5.0)
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%
(4.5)
2024 COLMI R09 Smart Ring Men Women with Charging Case, Body Temperature Health and Sleep Monitor For Xiaomi Samsung Phone
US $ 26.99
US $ 74.97
-64%
(4.4)
HOT
50W GaN-Module RF Uav Fpv RF module eindversterker 850-965MHz
US $ 53.00
(5.0)
HOT
Xiaomi Youpin Wall-mounted TPR round flat brush head hollow drainable vertical toilet brush toilet crevice cleaning brush
US $ 10.85
US $ 13.56
-20%
(5.0)
R13 Smart Ring with Display Screen and Touch,Wireless Charging Case,Health Manager,5ATM Waterproof Men Women Ring For Android OS
US $ 24.72
US $ 49.44
-50%
(5.0)
2024 COLMI R11 Smart Ring, Fidget Spinner Anxiety Relieve Ring with Charging Case for Men, Health Sleep Monitor, 5ATM Waterproof
US $ 36.46
US $ 101.66
-64%
(4.5)
Diamond Inlaid Smart Ring Heart Rate Health Monitor, Blood Oxygen Waterproof Multi-sport Mode Smart Tracker for iPhone Android
US $ 28.82
US $ 38.43
-25%
(5.0)
HOT
LoRa+GNSS Wireless Tracker Development Kit Wi-Fi+BT ESP32-S3 SX1262 LoRa UC6580 GNSS Receiver for Arduino Meshtastic IoT LoRaWAN
US $ 28.98
(5.0)
HOT
AC/DC Power ESP8266 WiFi 4-way Relay Module ESP-12F 4 Channel Development Board
US $ 1.05
(5.0)
Smart Ring Gesture Control Function 5ATM Waterproof Heart Rate Blood Pressure Oxygen Sleep Monitoring Sports Fitness Smart Ring
US $ 19.78
US $ 54.83
-63%
(4.3)
HOT
2-in-1 Protective Case + Screen Protector Glass for Amazfit T Rex 3 TRex3 Smart Watch Bumper Protection Cover & Tempered Gl R0R7
US $ 0.21
US $ 0.35
-40%
(3.0)
HOT
Portable Wireless Bluetooth Headset Glasses Ultra-thin Frog Mirror Polarized Sunglasses Smart Earphone Sunglasses Dropshipping
US $ 8.62
US $ 12.31
-30%
(5.0)
HOT
RAK4630 | nRF52840 SX1262 | Module for LoRaWAN
US $ 15.00
(5.0)
HOT
RAK WisBlock Meshtastic Starter Kit|The Basic RAK4631 Meshtastic Kit for LoRa|800MHz
US $ 24.99
(5.0)
HOT
New SG Series Smart Audio Glasses Anti-blue Light/Sunglasses Fashion Wireless Bluetooth Music Glasses with Mic Phone Answering
US $ 18.32
(5.0)
High-end ECG Blood Oxygen Health Smart Ring Heart Rate Blood Pressure Sleep Monitor Rings 5ATM Waterproof Multiple Sport Modes
US $ 41.70
US $ 83.41
-50%
(5.0)
HOT
New for Pilz ZUZ 827100 24V Safety Relay Module in Box Durable
US $ 292.35
US $ 417.64
-30%
(5.0)
Muslim Gift Ceramics Smart Electronic Zikr Ring Counter Digital Azan Alarm Clock Tasbeeh Tasbih Zikr Ring
US $ 7.95
US $ 15.90
-50%
(3.6)