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8CH DC 5V 12V Multi-function IR infrared Control Delay Relay Flip-Flop Latch
C $36.27
1/8 Port Industrial Modbus gateway server Modbus TCP to MODBUS RTU/ASCII
C $31.69 to C $52.12
DIN Rail Mount Screw Terminal Block Adapter Module for arduiuo MEGA2560 R3
C $29.54 to C $40.76
Simulation Debug Board 0-10V 4-20MA Output ADC DAC Tester NPN PNP DI-DO Module
C $20.88 to C $23.47
2 PCS 433M 868M RS485 RS232 USB Wireless Transceiver Serial Data Long-Distance
C $14.49 to C $48.83
433M 868M 915M Lora Transceiver with Feedback Switch Quantity IO Wireless Remote
C $50.63 to C $103.21
6xMultifunction Pulse Counter Switch Adjustable Timer Delay Turn On/Off Relay
C $30.16
2 in 1 DC 5V 12V 24V 8ch USB Serial Port Relay Module UART RS232 TTL Swit
C $2.18 to C $26.80
7.83HZ Schumann Resonances Generator External Antenna 14.3 20.8 27.3 33.8Hz
C $11.59 to C $21.00
8-24CH 4-20MA To RS485 Current Analog Input Collector Module MODBUS RTU Board
C $14.63 to C $30.64
0.01-100Khz Continuously Adjustable Frequency Generator 7.83 Schumann Resonator
C $61.45
DIN Rail Mount Screw Terminal Adapter Module for 30 PIN ESP32 expansion Board.
C $16.91 to C $21.62
6V 9V 12V 15V 18V 24V 2CH Flip Flop Bistable Self-locking Relay Trigger Switch
C $8.06 to C $23.73
DC12V DTMF MT8870 Phone Voice Decoder Control Toggle Latch Delay Timer Relay
C $30.77
8CH 250MM Large 25 Frequencies Sequential Output 7.83Hz Schumann Resonances
C $57.80 to C $275.29
5x DIN Rail Mount Screw Terminal Block Adapter Module For Arduino Pro mini Board
C $38.57 to C $56.91
1/5PCS PWM to DAC Converter Input Pulse Signal Output 0-5V/0-10V Voltage Analog
C $5.66 to C $22.52
4x RS485 Modbus RTU TCP to Ethernet Network UDP TCP Client Server MQTT Converter
C $70.04 to C $79.21
16-48 DI NPN/PNP Digital Switch PLC IO Expansion Board DC Optical isolation Inpu
C $20.74 to C $46.91
300mA +3~+15V to-3.3v ~-15V Boost-Buck input +Voltage output -Voltage Converter
C $38.68
Mini Dc-Dc Buck Voltage Regulator In Dc 5-40V Out 3V 3.3V 4V 5V 6V 7.5V 9V 12V
C $3.82 to C $3.95
DC 5V12V RS485 UART Modbus RTU HX711 Pressure Weight Sensor Electronic Scale
C $8.06 to C $12.03
ESP32 Expansion Board Digital Analog DAC ADC IO Wifi Relay Switch ES32C14 Module
C $40.86 to C $49.52
DC 5V 12V 24V Bluetooth Relay Android APP for Mobile Phone Remote Optical
C $23.79 to C $65.80
4CH High-Precision 7.83 Schumann Resonance Pure Sine Wave Signal Generator
C $16.09 to C $36.96
8A Mini Size DC DC Boost 3.7V 4.2V 5V To 8.4V 12.6V 16.8V 21 12V 15V 24VStep-Up
C $6.62
12CH 12V 24V Multipurpose PNP/NPN to PNP/NPN PLC Signal Amplifier Board 5A
C $18.46 to C $21.19
DC 12V 433M Wireless RS485 IO Point-to-Point Master-Slave RF Transceiver
C $22.15 to C $59.03
24CH RS485 Remote Control Switch Multifunction PLC IO Expansion Board Modbus
C $25.16 to C $86.37
7.83Hz Schumann Wave Pulse Generator Type-C Power Supply Pulse Audio Resonator
C $36.66
Earth's electromagnetic field spectrum Ultra Low Frequency Generator 7.83Hz 0.8
C $56.59
1/3PCS 5V 3.96mm Mount Screw Terminal Block Adapter Module DNMPA25 DIN PinBoard
C $18.46 to C $60.44
16CH DC 3.3V/5V/12V/24V Digital Logic Level to 5A Current Driver Converter
C $23.93 to C $26.67
DC 3.3V 3.7V 5V to 6V 9V 12V Adjustable Boost Voltage Regulator Power supply
C $2.78
ESP32 3.3V to 5V Bidirectional DIO LvTTL TTL Level Converter Din Rail Expansion
C $25.33 to C $31.03
1-8 Cell 1.2V 3.6V 4.8V 6V 9.6V NiMH NiCd Battery Dedicated Charger Module Board
C $3.95
DC 12V 24V 1.8 inch 1-4 Bit ASCII Characters Letters Display Module
C $13.40 to C $29.27
30A12V DC/AC Motor Forward & Reverse Controller 0.1-999.9S Delay Relay Modul
C $19.83
5PCS 5A/10A/20A 110 220V 50HZ/60HZ RS485 Current Collector Ammeter MODBUS
C $71.51 to C $95.36
DS18B20 Modbus RTU RS485 RS232 TTL USB UART Digital Temperature Sensor Module
C $3.95 to C $9.43
DDTC12UA 9W Type-C Female USB DC 5V to 6V 9V 12V 15V 24V Boost Converter
C $2.57
8CH DC 3.3V 5V 12V 24V Digital Logic Level Converter Inverter Optical Isolation
C $13.40 to C $16.13
3.3V 5V UART PWM GPIO Digital Signal Full-Duplex Transceiver RS232 TTL to RS422
C $6.55 to C $17.31
R413E16 16ch RS485 RS232(TTL) PLC Modbus Rtu Module IO Control Switch Board
C $6.50 to C $19.73
4/8/16CH Digital Analog Ethernet Remote I/O Modules Modbus Network Controller
C $33.22 to C $83.45
5 PCS mini 5W USB to 12V DC DC Step Up Converter 5V to 12V Power Supply Boost
C $11.44
Buck Constant Current Driver DC 3.3-30V 00MA/300/450/700/900MA LED Dimmer PWM
C $27.27
16CH Analog Input Module RS485 Modbus RTU 0-5V 0-10V Voltage Acquisition Module
C $24.07 to C $27.97
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- i***l (2154)- Feedback left by buyer.Past monthVerified purchaseExactly as described, well-packaged, and shipped quickly! RECOMMENDED
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- i***o (399)- Feedback left by buyer.Past 6 monthsVerified purchaseArrived fine, as advertised!
- a***z (366)- Feedback left by buyer.Past 6 monthsVerified purchaseItem as described. Fast shipment. A++
- r***n (788)- Feedback left by buyer.Past yearVerified purchasefast shipping and well packaged. it was also as described as well and worked perfectly. very happy with the purchase!
- i***i (1374)- Feedback left by buyer.Past 6 monthsVerified purchaseVery good transaction, A++