+

HLK-B40 Master-slave BLE5.1 Wifi Wireless Serial Port Transparent Transmission Module 3.3V 48KB SRAM and 4Mb Flash

USD 1.47USD 1.75

HLK-B40 Master-slave BLE5.1 Wifi Wireless Serial Port Transparent Transmission Module 3.3V 48KB SRAM and 4Mb Flash

Description
Specification
RELATED PRODUCTS
SGP30 Gas Sensor Module TVOC/eCO2 Air Quality Formaldehyde Carbon Dioxide Measurement
USD 8.38
Indoor Air SGP30 Measurement Gas Sensor Multi-pixel Gas Sensor TVOC/eCO2
USD 6.50
Indoor air measurement of SGP30 multi pixel gas sensor TVOC/eCO2 Formaldehyde carbon dioxide measurement module
USD 16.80
CJMCU-30 SGP30 Multi Pixel Gas Sensor Indoor Air Measurement TVOC/eCO2
USD 6.60
MCU-30 SGP30 Multi-Pixel Gas Sensor Indoor Air Measurement TVOC/eCO2
USD 10.66
Indoor Air SGP30 SGP40 Measurement Gas Sensor Multi-pixel Gas Sensor TVOC/eCO2 Air Quality Formaldehyde Carbon Dioxide Detector
USD 6.68USD 11.14
LED heart-shaped running light flashing water light kit electronic DIY making pieces student fun technology training
USD 0.94USD 1.00
Indoor air measurement of SGP30 multi pixel gas sensor TVOC/eCO2 Formaldehyde carbon dioxide measurement module
USD 15.29USD 16.80
SGP30 Gas Sensor Module Air Quality TVOC eCO2 Carbon Dioxide Measurement GY-SGP30 Formaldehyde Air Detector Module 3.3V 5V IIC
USD 9.79
GY-SGP30 GY-SGP40 GY-SGP41Gas Sensor TVOC eCO2 Carbon Dioxide Measurement Formaldehyde Module
USD 8.12
LED heart-shaped running light flashing water light kit electronic DIY making pieces student fun technology training
USD 1.00
Power Relay 5 Feet/4 Feet SRD-05VDC-SL-C SRD-06VDC-SL-C SRD-09VDC-SL-C SRD-12VDC-SL-C SRD-24VDC-SL-C SRD-05VDC-SL-A SRD -12VDC
USD 0.22
5pcs Dual USB 5V 1A 2.1A Mobile Power Bank 18650 Lithium Battery Charger Board Digital LCD Charging Module Automatic Protection
USD 15.34
ESP8266 ESP-01S 5V WiFi Relay Module Things Smart Home Remote Control Switch for Arduino Phone APP ESP01S Wireless WIFI Module
USD 0.85USD 0.95
free shippingXF2B-3545-31A 35PIN 0.3MM OMRON 10pcs
USD 14.00
10pcs RGB light-emitting diode 10MM controllable colorful light round head LED red, green and blue tricolor common cathode fog
USD 2.18USD 3.70
100%new G2RL-1A-E-24VDC 16A Relay DIP6 for Omron 6 pin
USD 2.21
2Pcs/Lot New Original OPA2835IRUNT QFN-10 silk Screen 283 5 High Speed Operational Amplifier IC Chip
USD 8.51
STM32F030K6T6 STM32 F030K6T6 STM32F 030K6T6 LQFP-32 ARM Cortex-M0 32-bit Microcontroller MCU IC Controller Chip Original
USD 0.71USD 0.93
JDY-24M Bluetooth 5.0 Bluetooth BLE Module MESH Networking ZIGBEE Transparent Transmission Master Slave Through JDY-24 Module
USD 2.15USD 2.26
100PCS NEW SMD BAT54C BAT54A BAT54S SOT-23 Schottky diode
USD 0.78
1PCS 3-24V 12V SFM-27 Alarm High-decibel Electronic Buzzer Beep Alarm Intermittent Continuous Beep For Arduino White Black Ibuw
USD 0.27USD 0.28
200pcs 5mm Plastic white LED Cover led holder 5mm led Clip Holder Display Panel
USD 13.16USD 14.00
Wholesale 1000pcs 5mm Plastic LED Holder Clip Display Panel 5mm led cover black holder
USD 18.80USD 20.00
[original] New Optoelectronic switch BX5M-MFR-T
USD 32.51USD 72.24
50pcs/lot 6x6x4.3MM 4PIN G89 Tactile Tact Push Button Micro Switch Direct Plug-in Self-reset DIP Top Copper Free Shipping
USD 0.75USD 1.50
5-10pcs BQ25601 ETA6953 ETA6953Q4Y ET9640 ET9519 ET9520A Charging ic
USD 5.00
SM5106 LCD Display IC Chip New Original Genuine
USD 1.00USD 2.00
1pcs HGTG30N60A4D G30N60A4D IGBT 600V 75A TO-247
USD 0.85USD 1.70
1PCS New Original XC9536-10PC44C XC9536 PLCC44 IC Chip
USD 1.00
1/3/5/10/20Pcs PWM DC Motor Governor 12V24V30V 120W CCM5N2 Governor With Fuse To Solve The Problem Of Motor Low Speed Sound
USD 9.97USD 13.12
1/3/5/10/20Pcs PWM DC Motor Motor Speed Controller 12V24V36V48V20A High Power DC Controller Waterproof
USD 12.04USD 16.05
20Pcs/Lot New Original LA5522 Compact DC Motor Speed Controller IC Components TO-126-5
USD 6.72
1/3/5/10/20Pcs CCM9 PWM DC Motor Governor 12V-24V One-Way Governor DC Motor Stepless Regulation
USD 10.72USD 14.10
1/3/5/10/20Pcs PWM DC Motor Governor 12V24V10A High Power DC Controller Speed Regulation Temperature Regulation Switch
USD 8.13USD 10.70
5PCS-50PCS/LOT D514 TO-252 AOD514 LCD commonly used triode brand new original
USD 1.55
20PCS IRFP260N IRFP260 TO-247
USD 11.60USD 12.21
ADMP401 Omnidirectional Microphone Module MEMS Microphone Breakout Microphone Module
USD 7.56
PL2303 HXD 6Pin USB TTL RS232 Convert Serial Cable PL2303HXD Compatible Win XP/VISTA/7/8/8.1/Android OTG
USD 1.76
PL2303 HXD 6Pin USB TTL RS232 Convert Serial Cable PL2303HXD Compatible Win XP/VISTA/7/8/8.1/Android OTG
USD 1.76
PL2303 HXD 6Pin USB TTL RS232 Convert Serial Cable PL2303HXD Compatible Win XP/VISTA/7/8/8.1/Android OTG
USD 1.76
PL2303 HXD 6Pin USB TTL RS232 Convert Serial Cable PL2303HXD Compatible Win XP/VISTA/7/8/8.1/Android OTG
USD 1.76
PL2303 HXD 6Pin USB TTL RS232 Convert Serial Cable PL2303HXD Compatible Win XP/VISTA/7/8/8.1/Android OTG
USD 1.76
PL2303 HXD 6Pin USB TTL RS232 Convert Serial Cable PL2303HXD Compatible Win XP/VISTA/7/8/8.1/Android OTG
USD 1.76
PL2303 HXD 6Pin USB TTL RS232 Convert Serial Cable PL2303HXD Compatible Win XP/VISTA/7/8/8.1/Android OTG
USD 1.76
PL2303 HXD 6Pin USB TTL RS232 Convert Serial Cable PL2303HXD Compatible Win XP/VISTA/7/8/8.1/Android OTG
USD 1.76
PL2303 HXD 6Pin USB TTL RS232 Convert Serial Cable PL2303HXD Compatible Win XP/VISTA/7/8/8.1/Android OTG
USD 1.76
PL2303 HXD 6Pin USB TTL RS232 Convert Serial Cable PL2303HXD Compatible Win XP/VISTA/7/8/8.1/Android OTG
USD 1.76
5PCS 100% New TMP36GT9Z TMP36GZ TMP36 TO-92 IGMOPNRQ Temperature Sensor Transistor Chipset
USD 3.78USD 3.98
10Pcs/Lot PCM1808QPWRQ1 PCM1808 ADC, Audio 24 b 96k Serial 14-TSSOP
USD 54.68
+