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Internet of Things (IOT) Related Products

1150 Products
Web-Sale Reference Discontinued
Specials
Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE
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20KG Load Cell Sensor. Rated Output: 1.0MV/V±0.15MV/V. Zero Output: ±0.1MV/V [HKD ELECTRONIC LOAD CELL 20KG]
20KG Load Cell Sensor. Rated Output: 1.0MV/V±0.15MV/V. Zero Output: ±0.1MV/V
42.00 ZAR
inc
for 1 Each
5KG Load Cell Sensor. Rated Output: 1.0MV/V±0.15MV/V. Zero Output: ±0.1MV/V [HKD ELECTRONIC LOAD CELL 5KG]
5KG Load Cell Sensor. Rated Output: 1.0MV/V±0.15MV/V. Zero Output: ±0.1MV/V
42.00 ZAR
inc
for 1 Each
Optical End Stop Switch Kit for 3D Printer or CNC [HKD END STOP SWITCH KIT]
Optical End Stop Switch Kit for 3D Printer or CNC
27.00 ZAR
inc
for 1 Each
ESP-32 Wireless WIFI Bluetooth Development Board 2.4GHz CP2102 Micro USB Dual Core Module. THE ABOVE ITEM WILL NOT FIT IN BDD ESP32 SCREW TERM B/OUT BOARD [HKD ESP-32 WIFI B/T DEV BOARD]
ESP-32 Wireless WIFI Bluetooth Development Board 2.4GHz CP2102 Micro USB Dual Core Module. THE ABOVE ITEM WILL NOT FIT IN BDD ESP32 SCREW TERM B/OUT BOARD
115.00 ZAR
inc
for 1 Each
ESP-32S Breakout Adapter Board with Reset Switch [HKD ESP-32S BREAKOUT ADAPTER BRD]
ESP-32S Breakout Adapter Board with Reset Switch
22.00 ZAR
inc
for 1 Each
5V ESP8266 2-Channel WiFi Relay Module with ESP-01 WiFi Module and 8 Bit MCU [HKD ESP8266 RELAY 2CH 5V 10A]
5V ESP8266 2-Channel WiFi Relay Module with ESP-01 WiFi Module and 8 Bit MCU
160.00 ZAR
inc
for 1 Each
WI-FI Wireless ESP8266 UART Logic Level Convertor for Arduino 3.3V to 5V Adapter, Operating Voltage: 4.5V ~ 5.5V (Onboard 3.3V LDO Regulator), Working Current: 0-240mA, Interface Logic Voltage: 3.3V / 5V Compatible (On-Board Level Conversion Circuit) [HKD ESP8266 ESP-01 ADAPT 3.3V/5V]
WI-FI Wireless ESP8266 UART Logic Level Convertor for Arduino 3.3V to 5V Adapter, Operating Voltage: 4.5V ~ 5.5V (Onboard 3.3V LDO Regulator), Working Current: 0-240mA, Interface Logic Voltage: 3.3V / 5V Compatible (On-Board Level Conversion Circuit)
34.99 ZAR
inc
for 1 Each
D1 Mini NODEMCU LUA WIFI Board Based on ESP-8266EX. 11 Digital I/O’S, All Pins Have Interrupt/PWM/I2C [HKD D1 MINI NODE MCU WIFI 4MB]
D1 Mini NODEMCU LUA WIFI Board Based on ESP-8266EX. 11 Digital I/O’S, All Pins Have Interrupt/PWM/I2C
75.00 ZAR
inc
for 1 Each
Arduino Flame Sensor Module for Flame Wavelengths 760-1100NM. Analog Output and Real Time Output Voltage on Thermal Resistance [HKD FLAME SENSOR MODULE]
Arduino Flame Sensor Module for Flame Wavelengths 760-1100NM. Analog Output and Real Time Output Voltage on Thermal Resistance
19.00 ZAR
inc
for 1 Each
Plastic(TT) DC Gear Motor 48:1 3-6VDC [HKD GEARED MOTOR 48:1 3-6VDC]
Plastic(TT) DC Gear Motor 48:1 3-6VDC
20.00 ZAR
inc
for 1 Each
SIM900 GSM/GPRS Transmission Module, GPRS Shield Expansion Board Wireless Module. [HKD GPRS/GSM SHIELD SIM900]
SIM900 GSM/GPRS Transmission Module, GPRS Shield Expansion Board Wireless Module.
300.00 ZAR
inc
for 1 Each
GSM Rubberduck Antennae (X2) with SMA Connector [HKD GSM DUCK ANTENNA-SMA (2/PKT)]
GSM Rubberduck Antennae (X2) with SMA Connector
50.00 ZAR
inc
for 1 Each
SIM808 V2.0 5V Wireless GSM GPRS Module Quad-Band Development Board with IPX SMA. Includes GSM and GPS Antennae [HKD GSM/GPRS DEV BOARD SIM808]
SIM808 V2.0 5V Wireless GSM GPRS Module Quad-Band Development Board with IPX SMA. Includes GSM and GPS Antennae
625.00 ZAR
inc
for 1 Each
GT2 Timing Belt 6mm Width - 2mm Pitch. Rolls are in 5mt length and can be cut to min 1mt for sale. [HKD GT2-6MM TIMING BELT P/MT]
GT2 Timing Belt 6mm Width - 2mm Pitch. Rolls are in 5mt length and can be cut to min 1mt for sale.
30.00 ZAR
inc
for 1 Each
3pcs Adhesive Aluminum Heat Sink Cooler Kit for Raspberry Pi. Heatsink Kit for Raspberry Pi. Size 14x4 and 2x 8x8 [HKD HEATSINK KIT FOR RASPBERRYPI]
3pcs Adhesive Aluminum Heat Sink Cooler Kit for Raspberry Pi. Heatsink Kit for Raspberry Pi. Size 14x4 and 2x 8x8
7.50 ZAR
inc
for 1 Each
Mini ENC28J60 Ethernet LAN Network Module 51 AVR SPI PIC STM32 LPC for Arduino. 3.3V [HKD ENC28J60 WIDE ETHERNET MODUL]
Mini ENC28J60 Ethernet LAN Network Module 51 AVR SPI PIC STM32 LPC for Arduino. 3.3V
130.00 ZAR
inc
for 1 Each
0.96IN OLED Graphic Display 128X64 white I2C (4 Pin). I2C/IIC Interface, Needs Only 2 I/O'S, Driver IC: SSD1306, Module Size: 27.0mm * 27.0mm * 4.1mm , Voltage: 3V ~ 5V DC, Fully Compatible with 51 Series, MSP430 Series, STM32 / 2 [HKD I2C 0.96IN OLED 128X64-WHITE]
0.96IN OLED Graphic Display 128X64 white I2C (4 Pin). I2C/IIC Interface, Needs Only 2 I/O'S, Driver IC: SSD1306, Module Size: 27.0mm * 27.0mm * 4.1mm , Voltage: 3V ~ 5V DC, Fully Compatible with 51 Series, MSP430 Series, STM32 / 2
68.00 ZAR
inc
for 1 Each
Inductive Proximity Sensor Detection Switch SN04-N. Detection: 4mm 10-30VDC. 300mA [HKD INDUCTIVE PROXIMITY SENSOR]
Inductive Proximity Sensor Detection Switch SN04-N. Detection: 4mm 10-30VDC. 300mA
40.00 ZAR
inc
for 1 Each
Obstacle Avoidance Sensor Module. IR Infrared Sensor Switch Module with 3.3~5V Range and Working Range of 2~40cm [HKD IR SENSOR SWITCH MODULE]
Obstacle Avoidance Sensor Module. IR Infrared Sensor Switch Module with 3.3~5V Range and Working Range of 2~40cm
30.00 ZAR
inc
for 1 Each
Compatible with Arduino Jumper Cables Male/Male (65 Pack). Various Lengths [HKD JUMPER CABLES(65)]
Compatible with Arduino Jumper Cables Male/Male (65 Pack). Various Lengths
35.01 ZAR
inc
for 1 Each
Obstacle Avoidance Sensor Module. IR (Infrared) Sensor Switch Module with 3.3~5V Range and Working Range of 2~4cm [HKD KEYES IR OBSTACLE SENSOR]
Obstacle Avoidance Sensor Module. IR (Infrared) Sensor Switch Module with 3.3~5V Range and Working Range of 2~4cm
15.00 ZAR
inc
for 1 Each
Laser Transmitter Module KY-008. 5VDC. 650NM. (Compatible with CMU LASER RECEIVE MOD FOR KY-008) [HKD LASER TRANSMITTER MOD KY-008]
Laser Transmitter Module KY-008. 5VDC. 650NM. (Compatible with CMU LASER RECEIVE MOD FOR KY-008)
13.00 ZAR
inc
for 1 Each
Dual 18650 Lithium Battery Holder with 2,1mm DC Power Plug on Lead [HKD LC18650 2XBATTY BOX+DC PLUG]
Dual 18650 Lithium Battery Holder with 2,1mm DC Power Plug on Lead
16.00 ZAR
inc
for 1 Each
16X2 LCD Parallel to I2C PCF8574 Converter Board [HKD LCD PARALLEL-I2C CONV BOARD]
16X2 LCD Parallel to I2C PCF8574 Converter Board
17.50 ZAR
inc
for 1 Each
LED 12V RGB Controller 24 Key IR [HKD LED RGB CONTROLLER 24 KEY]
LED 12V RGB Controller 24 Key IR
45.00 ZAR
inc
for 1 Each
LM12UU Linear Bearing. ID 12mm, OD 21mm, Height 30mm [HKD LINEAR BALL BEARING 12MM]
LM12UU Linear Bearing. ID 12mm, OD 21mm, Height 30mm
25.00 ZAR
inc
for 1 Each
LM6UU Linear Bearing. ID6mm, OD 12mm, Height 19mm [HKD LINEAR BALL BEARING 6MM]
LM6UU Linear Bearing. ID6mm, OD 12mm, Height 19mm
22.00 ZAR
inc
for 1 Each
LM8UU Linear Bearing. ID 8mm, OD 15mm, Height 24mm [HKD LINEAR BALL BEARING 8MM]
LM8UU Linear Bearing. ID 8mm, OD 15mm, Height 24mm
18.00 ZAR
inc
for 1 Each
TP4056 Micro USB 5V 1A 18650 Lithium Polymer (Li-Poly) Battery Charger Module with Charge Protection [HKD LITH CHARGER MICRO USB 5V/1A]
TP4056 Micro USB 5V 1A 18650 Lithium Polymer (Li-Poly) Battery Charger Module with Charge Protection
6.00 ZAR
inc
for 1 Each
4 Channel IIC I2C Logic Level Converter 5-3V System BI-Directional Compatible Module. [HKD LOGIC LEVEL CONVERTOR-NEW]
4 Channel IIC I2C Logic Level Converter 5-3V System BI-Directional Compatible Module.
6.50 ZAR
inc
for 1 Each
8mm x 300mm Right Handed Lead Screw with Brass Nut. T8 x 2 x 8: Thread Diameter 8mm, 2mm Pitch, Lead - 8mm Per Turn [HKD M8 LEAD SCREW+NUT 300MM]
8mm x 300mm Right Handed Lead Screw with Brass Nut. T8 x 2 x 8: Thread Diameter 8mm, 2mm Pitch, Lead - 8mm Per Turn
125.01 ZAR
inc
for 1 Each
8mm x 500mm Right Handed Lead Screw with Brass Nut. T8 x 2 x 8: Thread Diameter 8mm, 2mm Pitch, Lead - 8mm Per Turn [HKD M8 LEAD SCREW+NUT 500MM]
8mm x 500mm Right Handed Lead Screw with Brass Nut. T8 x 2 x 8: Thread Diameter 8mm, 2mm Pitch, Lead - 8mm Per Turn
145.00 ZAR
inc
for 1 Each
MC4 Type Solar Photovoltaic Connector Male & Female IP67 DC1000V Temp 85° MAX30A Cable 4 [HKD MC4 SOLAR CABLE CONNECT PAIR]
MC4 Type Solar Photovoltaic Connector Male & Female IP67 DC1000V Temp 85° MAX30A Cable 4
19.00 ZAR
inc
for 1 Each
Electronic Microphone Breakout Board 5V 4Pin Interface [HKD MIC SOUND DETECTOR MODULE]
Electronic Microphone Breakout Board 5V 4Pin Interface
17.00 ZAR
inc
for 1 Each
Towerpro MG90S 13G Metal Gear RC Micro Servo MG90S 0-90° When Driven with PWM of 1-2mS [HKD MICRO SERVO 4.8V-6V MG90-90D]
Towerpro MG90S 13G Metal Gear RC Micro Servo MG90S 0-90° When Driven with PWM of 1-2mS
75.00 ZAR
inc
for 1 Each
Self Adhesive Mini Breadboard Black 170 Tie Points. 4,5 x 3,3 x 0.9cm [HKD MINI BREADBOARD BLACK]
Self Adhesive Mini Breadboard Black 170 Tie Points. 4,5 x 3,3 x 0.9cm
6.00 ZAR
inc
for 1 Each
Self Adhesive Mini Breadboard Blue 170 Tie Points. 4,5 x 3,3 x 0.9cm [HKD MINI BREADBOARD BLUE]
Self Adhesive Mini Breadboard Blue 170 Tie Points. 4,5 x 3,3 x 0.9cm
6.00 ZAR
inc
for 1 Each
Self Adhesive Mini Breadboard Red 170 Tie Points. 4,5 x 3,3 x 0.9cm [HKD MINI BREADBOARD RED]
Self Adhesive Mini Breadboard Red 170 Tie Points. 4,5 x 3,3 x 0.9cm
6.00 ZAR
inc
for 1 Each
Self Adhesive Mini Breadboard White 170 Tie Points. 4,5 x 3,3 x 0.9cm [HKD MINI BREADBOARD WHITE]
Self Adhesive Mini Breadboard White 170 Tie Points. 4,5 x 3,3 x 0.9cm
6.00 ZAR
inc
for 1 Each
Self Adhesive Mini Breadboard Yellow 170 Tie Points. 4,5 x 3,3 x 0.9cm [HKD MINI BREADBOARD YELLOW]
Self Adhesive Mini Breadboard Yellow 170 Tie Points. 4,5 x 3,3 x 0.9cm
6.00 ZAR
inc
for 1 Each
GPRS TCP IP Antenna+SMA/Cable. Can be used with SIM800L [HKD MINI GSM ANTENNA+SMA/CABLE]
GPRS TCP IP Antenna+SMA/Cable. Can be used with SIM800L
33.01 ZAR
inc
for 1 Each
RS360 Mini Self Priming Water Pump 4-12VDC 0.8A. 52 x 27mm. 4mm Drain Hole. (Do not use without load) [HKD MINI REVRSB WATER PUMP 4-12V]
RS360 Mini Self Priming Water Pump 4-12VDC 0.8A. 52 x 27mm. 4mm Drain Hole. (Do not use without load)
95.00 ZAR
inc
for 1 Each
Gas Sensor - LPG, I-Butane, Propane, Methane ,Alcohol, Hydrogen, Smoke etc. [HKD MQ2 GAS SENSOR MODULE]
Gas Sensor - LPG, I-Butane, Propane, Methane ,Alcohol, Hydrogen, Smoke etc.
40.00 ZAR
inc
for 1 Each
High Sensitivity Fast Response Alcohol Gas Sensor used in Breathalyser - Mounted on Board with Sens. Adjust-Used with Arduino ETC. [HKD MQ3 GAS SENSOR MODULE]
High Sensitivity Fast Response Alcohol Gas Sensor used in Breathalyser - Mounted on Board with Sens. Adjust-Used with Arduino ETC.
49.00 ZAR
inc
for 1 Each
MQ7 Carbon Monoxide (CO) Gas Sensor Module for Arduino.detection Range: 10 TO 1000PPMM. CO Gas: 100PPMM, Sensitive Resistance: 2KΩ TO 20KΩ IN 100PPM CO. [HKD MQ7 GAS SENSOR MODULE]
MQ7 Carbon Monoxide (CO) Gas Sensor Module for Arduino.detection Range: 10 TO 1000PPMM. CO Gas: 100PPMM, Sensitive Resistance: 2KΩ TO 20KΩ IN 100PPM CO.
49.00 ZAR
inc
for 1 Each
100RPM DC 6V Mini Metal Gear Motor [HKD N20 GEAR MOTOR 100RPM@6V]
100RPM DC 6V Mini Metal Gear Motor
Call for Price  
Mini Metal Geared Motor 30RPM 6V@50MA Under Load. [HKD N20 GEAR MOTOR 30RPM@6V]
Mini Metal Geared Motor 30RPM 6V@50MA Under Load.
Call for Price  
Compatible with Arduino Nano I/O Expansion Board [HKD NANO I/O EXPANSION BOARD]
Compatible with Arduino Nano I/O Expansion Board
45.00 ZAR
inc
for 1 Each
ESP8266-12F Development/Testing Board for Lolin Type NODEMCU. 28mm Spacing Between Rows.(Not same as DOIT-23mm) [HKD NODEMCU ESP8266 DEVELP BOARD]
ESP8266-12F Development/Testing Board for Lolin Type NODEMCU. 28mm Spacing Between Rows.(Not same as DOIT-23mm)
70.00 ZAR
inc
for 1 Each
NRF24L01+PA+LNA Wireless Module WIFI with Antenna 1100m, Frequency: 2.4GHZ~2.5GHZ, OPERATING VOLTAGE: 3 ~ 3.6V, Max Current: 115MA, Multi-Frequency: 125 Frequency, Support up to Six Channels of Data Reception [HKD NRF24L01L 1KM W/LESS MODULE]
NRF24L01+PA+LNA Wireless Module WIFI with Antenna 1100m, Frequency: 2.4GHZ~2.5GHZ, OPERATING VOLTAGE: 3 ~ 3.6V, Max Current: 115MA, Multi-Frequency: 125 Frequency, Support up to Six Channels of Data Reception
69.00 ZAR
inc
for 1 Each
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Communica is a wholesale and retail distributor of semiconductors, electromechanical and passive electronic components for automotives, electronics, electrical, automation, mining and process control industries and technical and tertiary educational institutions. We also offer a large range of security and CCTV equipment, power supplies, test instruments and accessories, tools and production equipment, prototyping platforms, and hobby and educational products.