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In need of high-quality Eletechsup? Discover our selection of heavy-duty Eletechsup items built for maximum performance. Whether you need an affordable Eletechsup for your next project or home setup, aliexpress.omahpi.us brings you unbeatable wholesale deals with reliable worldwide shipping.

Best Eletechsup Deals

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SAVE 6%
4ch 500 Celsius PT100 Thermocouple RTD Temperature Sensor RS485 Temperature Sensor Module Modbus RTU Board Paperless Recorder
4ch 500 Celsius PT100 Thermocouple RTD Temperature …
$5.99
$6.38
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SAVE 4%
for Arduino ESP32 DC 12V 24V LED Dimming Control 0-910MA Constant Current Adjustable PWM LED Driver Module LD24AJTA_MINI Board
for Arduino ESP32 DC 12V 24V LED Dimming Control 0-…
$2.59
$2.72
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SAVE 1%
20pcs 3.3V 5V 12V 24V 8 Bit Blue/Red Common anode/cathode LED indicator Module for Arduino MEGA2560 ARM MCU PLC Motor
20pcs 3.3V 5V 12V 24V 8 Bit Blue/Red Common anode/c…
$16.30
$16.42
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SAVE 3%
CPLD Development Board MAX II Core Module USB Blaster Download for Altera Intel FPGA College Student Experimental Course EPM570
CPLD Development Board MAX II Core Module USB Blast…
$9.21
$9.53
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SAVE 7%
5PCS PWM to DAC Converter Input Pulse Signal Output 0-5V/0-10V Voltage Analog for Arduiuo MEGA2560 PLC Raspberr Pi ESP32 NodeMCU
5PCS PWM to DAC Converter Input Pulse Signal Output…
$15.58
$16.77
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SAVE 1%
VHF/UHF Radio Modem RS485 Lora GFSK Wireless Transceiver 22DBM 433M 868M Transmitter Receiver Module Long Range 1000M AES IoT
VHF/UHF Radio Modem RS485 Lora GFSK Wireless Transc…
$17.18
$17.29
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SAVE 1%
1CH 500 Celsius PT100 RTD Thermocouple Celsius Fahrenheit Wide RS485 Temperature Measurement Modbus RTU Board Sensor PT21A01 DIY
1CH 500 Celsius PT100 RTD Thermocouple Celsius Fahr…
$2.70
$2.71
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SAVE 31%
16CH Differential Analog Input Module RS485 Modbus RTU 0-5V 0-10V Voltage Acquisition Module DC 12V 24V for PLC HMI N4DVA16
16CH Differential Analog Input Module RS485 Modbus …
$19.51
$28.27
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SAVE 4%
DC 12V RS485 to 4-20MA 0-20MA Current Signal Generator DAC Converter Module Modbus RTU for PLC Measuring Instruments
DC 12V RS485 to 4-20MA 0-20MA Current Signal Genera…
$6.29
$6.59
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SAVE 7%
32CH Modbus RTU RS485 Relay Module 20A DC 12V 24V DIN Rail Industrial Control with DIP Switch RYR432D
32CH Modbus RTU RS485 Relay Module 20A DC 12V 24V D…
$56.05
$60.88
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SAVE 2%
DC 12V To AC 220V Inverter Kit DC-AC 12V Frequency Converter 12W 50Hz Square Wave Signal Generator Module Board IV1212TA
DC 12V To AC 220V Inverter Kit DC-AC 12V Frequency …
$6.72
$6.92
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ASK OOK Remote Control Decoding Module 3.3V 3.7V 5V RFCE001 Mini 433M 2CH EV1527 PT2262 2264 Remote Control Learning Fixed Code
ASK OOK Remote Control Decoding Module 3.3V 3.7V 5V…
$3.10
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SAVE 6%
4CH 3A 3.3V 5V 12V ADJ DC DC Buck Converter Module Multiple Switching Power Supply with DIN Rail Case for PLC UPS Power Bank
4CH 3A 3.3V 5V 12V ADJ DC DC Buck Converter Module …
$10.37
$11.14
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SAVE 3%
16 Channel RS485 Temperature Acquisition Board Paperless Recorder Modbus RTU Board 10K/20K/50K/100K B3950 NTC Sensor
16 Channel RS485 Temperature Acquisition Board Pape…
$7.94
$8.21
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SAVE 4%
5 PCS 8 Bit 3.3V 5V Blue/Red Common anode/cathode LED Indicator Module Diy Kit For Arduino NANO UNO raspberry pi 4 nodemcu
5 PCS 8 Bit 3.3V 5V Blue/Red Common anode/cathode L…
$4.80
$5.03
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SAVE 2%
4-20mA Converter Module 0-10V to 4-20mA 0-20mA Analog Signal Transmitter for PLC RS485 Industrial Sensors
4-20mA Converter Module 0-10V to 4-20mA 0-20mA Anal…
$3.92
$4.03
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SAVE 7%
DIN Rail Mount Terminal Block Adapter Module for Arduino pro Mini Board PLC Industrial Controllers Smart Home Screw Block
DIN Rail Mount Terminal Block Adapter Module for Ar…
$5.04
$5.42
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SAVE 3%
Ultimate ESP32 C3 Relay Module 4 Ch Isolated RS485 Smart Home Industrial IoT for Arduino
Ultimate ESP32 C3 Relay Module 4 Ch Isolated RS485 …
$18.19
$18.80
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SAVE 3%
diy USB Auto Boost-buck Step Up-down DC DC Converter Voltage Regulator 1.2V 1.5V 2.5V 3V 3.3V 3.7V 4.2V 4.5V 5.5V 6V to 5V
diy USB Auto Boost-buck Step Up-down DC DC Converte…
$4.38
$4.53
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SAVE 52%
ELETECHSUP 8Ch Ds18b20 Rs485 Modbus Rtu Temperature Control Sensor Remote Digital Module PLC R4DCB08
ELETECHSUP 8Ch Ds18b20 Rs485 Modbus Rtu Temperature…
$10.22
$21.30
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SAVE 39%
2X ELETECHSUP 4-20MA Voltage Signal Acquisition RS485 Modbus RTU Module For PLC Current Transmitter Measuring
2X ELETECHSUP 4-20MA Voltage Signal Acquisition RS4…
$10.10
$16.56
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SAVE 6%
2PCS 3.3-6V to 3V DC-DC Step-Down Power Supply Buck LDO Module Voltage Regulator Board for 18650 Li-ion AAA Dry Cell Batteries
2PCS 3.3-6V to 3V DC-DC Step-Down Power Supply Buck…
$2.96
$3.17
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SAVE 7%
Voltage Converter DIY Kit for Arduino: PW1VA01 Expansion Module with PWM to 0-5V/0-10V for NANO PRO MEGA, ESP8266, ESP32
Voltage Converter DIY Kit for Arduino: PW1VA01 Expa…
$3.35
$3.62
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SAVE 1%
16-48 DI NPN/PNP Digital Switch PLC IO Expansion Board 3000VDC Optical isolation Input RS485 Modbus RTU Module High-Quality
16-48 DI NPN/PNP Digital Switch PLC IO Expansion Bo…
$21.46
$21.61
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SAVE 1%
MPPT Solar Charge Controller Module 4A 3.6-24V Li-ion Li-po LiFePO4 Battery Charger SD29AJTC For 9V 12V 18V 24V Solar Panels
MPPT Solar Charge Controller Module 4A 3.6-24V Li-i…
$2.71
$2.76
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SAVE 5%
6 DI-DO DC 5V/12V/24V IOS Android Smart Wifi Relay 2.4G RF Remote Control IOT Switch NPN IN Dry Contact Out Tuya Smart Life APP
6 DI-DO DC 5V/12V/24V IOS Android Smart Wifi Relay …
$23.69
$24.70
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SAVE 1%
2.5V 3V 3.7V 4.2V 5V to 3.3V Low Noise Regulated Charge Pump Step-Down & Step-Up Boost Buck DC-DC Converter
2.5V 3V 3.7V 4.2V 5V to 3.3V Low Noise Regulated Ch…
$2.52
$2.57
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SAVE 5%
AMS1117 7805 Compatible LDO Module with Ultra-Low Standby Current and Precise Voltage Regulation for Electronics Projects
AMS1117 7805 Compatible LDO Module with Ultra-Low S…
$1.93
$2.04
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SAVE 53%
DC 12V 24V 8 Isolated Input & 8 Output DIN35 C45 Rail Box UART RS485 Relay Module Modbus RTU Control Switch Board
DC 12V 24V 8 Isolated Input & 8 Output DIN35 C45 Ra…
$19.42
$41.33
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SAVE 7%
16AI-16DI-16DO 4-20MA Current 0-5V/10V/30V Voltage Dry Wet Contact MOS RS485 Relay MEGA2560 R3 Expanding Board for Arduino PLC
16AI-16DI-16DO 4-20MA Current 0-5V/10V/30V Voltage …
$34.17
$37.06
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SAVE 1%
Multi-channel Relay Shield Module Self-locking Function Low Pulse Trigger Switch for Arduino NANO DUE Robot Wifi Bluetooth
Multi-channel Relay Shield Module Self-locking Func…
$3.95
$3.97
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SAVE 6%
4-32CH 10A 20A DC 12V 24V RS485 Bus Relay Module DIP Setup Parameters Modbus RTU Serial Port UART Switch Board HMI PLC
4-32CH 10A 20A DC 12V 24V RS485 Bus Relay Module DI…
$12.76
$13.58
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Upgrade Your Wifi Router with this 12-40V to 9V Voltage Regulator Module, Perfect LM7809 L7809 Replacement
Upgrade Your Wifi Router with this 12-40V to 9V Vol…
$3.62
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64x16 LED Dot Matrix Display Shield for Arduino UNO MEGA NANO MICRO with Code Tutorial DIY Christmas Gift
64x16 LED Dot Matrix Display Shield for Arduino UNO…
$19.86
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5 Pcs Mini DC-DC Converter Boost Power Supply Module 3V-5V USB 18650 Power Bank Ds18b20 LCD Compatible with 3.3V 3.7V 4.5V
5 Pcs Mini DC-DC Converter Boost Power Supply Modul…
$4.62
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SAVE 6%
ESP32 DIN Rail Mount Base Plate with Screw Terminal Block Adapter Module for Arduino WiFi BT IOT - IC Integration
ESP32 DIN Rail Mount Base Plate with Screw Terminal…
$8.80
$9.46
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SAVE 6%
for 4-20mA 0-5V 0-10V Input Signal 4-25VDC R4CVA02 Mini 2CH Modbus RTU RS485 A/D Converter
for 4-20mA 0-5V 0-10V Input Signal 4-25VDC R4CVA02…
$3.95
$4.22
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SAVE 28%
8CH DC 12V 24V Multifunction Delay Timer Switch Board RS485 PLC IO Expanding Module For Arduino NANO V3.0
8CH DC 12V 24V Multifunction Delay Timer Switch Boa…
$12.06
$16.75
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SAVE 6%
Integrated Circuits: Schumann Resonances Signal Booster ANT for Earth's Heartbeat - 14.3 20.8 27.3 33.8Hz Generator
Integrated Circuits: Schumann Resonances Signal Boo…
$3.06
$3.27
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SAVE 2%
DC 3-20V 5A Bistable Self-locking Switch Module LED Driver Controller Relay Touch Electronic Board
DC 3-20V 5A Bistable Self-locking Switch Module LED…
$2.44
$2.49
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SAVE 3%
RS485 Current Collector Ammeter Modbus PLC AC Current Analog Acquisition Module for 110V 220V 50Hz 60Hz Industrial Use
RS485 Current Collector Ammeter Modbus PLC AC Curre…
$15.11
$15.58
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