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0.01-100Khz 4 Output Large 7.83 Schumann Resonance Generator Pure Sine Wave
$15.20 to $94.34
DC 5V 12V 24V Magnetic Latching Relay Module Bistable Self-locking Latch Switch
$6.89 to $24.26
8CH 250MM Large 25 Frequencies Sequential Output 7.83Hz Schumann Resonances
$42.24 to $201.19
8-24CH 4-20MA To RS485 Current Analog Input Collector Module MODBUS RTU Board
$10.69 to $22.39
Simulation Debug Board 0-10V 4-20MA Output ADC DAC Tester NPN PNP DI-DO Module
$15.26 to $17.15
7.83HZ Schumann Resonances Generator External Antenna 14.3 20.8 27.3 33.8Hz
$8.47 to $15.35
DC12V DTMF MT8870 Phone Voice Decoder Control Toggle Latch Delay Timer Relay
$22.49
3.5A USB C TYPE-C to DC 6V 8.4V 9V12V Step-Up DC-DC Boost Converter Power Supply
$3.33
16-48 DI NPN/PNP Digital Switch PLC IO Expansion Board DC Optical isolation Inpu
$15.16 to $34.28
MPPT Solar Controller 3.2V 3.7V 4.2V 7.4V Battery Charging Charger Module
$36.72
DIN Rail Mount Screw Terminal Block Adapter Module for arduiuo MEGA2560 R3
$21.59 to $29.79
10W Dual Channel DC-DC Step-Down Buck Converter Board DC 7-30V to 3.3V 5V 12V
$2.85
300mA +3~+15V to-3.3v ~-15V Boost-Buck input +Voltage output -Voltage Converter
$28.27
8CH DC 12V RS232 Relay Module Serial port Remote Control Switch
$26.40 to $32.61
12CH 12V 24V Multipurpose PNP/NPN to PNP/NPN PLC Signal Amplifier Board 5A
$13.49 to $15.49
4CH -40~500C PT1000 RTD RS485 Transmitter PT100 Temperature Sensor Collector
$18.80 to $23.85
8CH DC 5V 12V Multi-function IR infrared Control Delay Relay Flip-Flop Latch
$26.51
Mini 7.83Hz Schumann Resonances 0.01Hz~9999Hz Sine Wave Signal Generator
$11.85 to $43.99
DC 3-20V 5A Bistable Self-locking Switch Module LED Driver Controller Relay
$19.93
DC 12V 24V 8ch IO Digital Collector USB COM Serial Port UART Relay Module
$4.89 to $19.30
433M 868M 915M Lora Transceiver with Feedback Switch Quantity IO Wireless Remote
$37.00 to $75.43
16ch Full-duplex Transparent Transmission of Digital IO RS485 Modbus RTU Module
$24.96 to $30.15
16CH DC 3.3V/5V/12V/24V Digital Logic Level to 5A Current Driver Converter
$17.49 to $19.49
DC 12V 433M Wireless RS485 IO Point-to-Point Master-Slave RF Transceiver
$16.19 to $43.14
ESP32-DevKitC Smart Home Expansion Board NTC Temperature Collection Relay Switch
$31.30 to $37.27
6xMultifunction Pulse Counter Switch Adjustable Timer Delay Turn On/Off Relay
$22.04
1/5PCS PWM to DAC Converter Input Pulse Signal Output 0-5V/0-10V Voltage Analog
$4.14 to $16.46
4CH 5A NPN/PNP PLC Signal Amplifier Din Rail Mount Board Isolation MOS Tube Modu
$5.79 to $7.89
Mini Dc-Dc Buck Voltage Regulator In Dc 5-40V Out 3V 3.3V 4V 5V 6V 7.5V 9V 12V
$2.79 to $2.89
2 PCS 433M 868M RS485 RS232 USB Wireless Transceiver Serial Data Long-Distance
$10.59 to $35.69
10 PCS DC 12V 2A mini Bistable Self-locking Relay Module Flip-Flop Latch Switch
$25.09 to $25.19
DC 5-24V Flip-Flop Latch DPDT Relay Module Bistable Self-locking Double Switch
$18.91
AC/DC 20-220V to DC 12V 48V 80V 40MA Linear Constant Current LED Driver Module
$2.78 to $5.89
1-8 Cell 1.2V 3.6V 4.8V 6V 9.6V NiMH NiCd Battery Dedicated Charger Module Board
$2.89
6CH 4-20MA AI & 4CH NPN DI & 6CH 10A Relay DO Multipurpose Modbus RS485
$28.69 to $33.89
32ch DC 12V 24V PNP NPN Input RS485 Modbus RTU PLC IO Switch Digital Collector
$19.59 to $24.29
2 in 1 DC 5V 12V 24V 8ch USB Serial Port Relay Module UART RS232 TTL Swit
$1.59 to $19.59
6V 9V 12V 15V 18V 24V 2CH Flip Flop Bistable Self-locking Relay Trigger Switch
$5.89 to $17.34
7.83Hz PRO Version 0.01Hz~300KHz 7.83Hz Schumann Resonance Frequency Generator
$31.19
1/2PCS 2 IN1 12 DIO Ethernet/RS485 Relay Switch Module Modbus RTU TCP/IP Network
$40.08 to $72.00
1 PCS 8 Channel 12V 24V Relay Shield Module RS485 PLC IO Expanding Board
$13.14 to $36.67
8CH Temperature & Resistance Acquisition Board Modbus RTU RS485 NTC Sensors
$12.05 to $33.51
0.01-100Khz Continuously Adjustable Frequency Generator 7.83 Schumann Resonator
$44.91
1/8 Port Industrial Modbus gateway server Modbus TCP to MODBUS RTU/ASCII
$23.16 to $38.09
24CH RS485 Remote Control Switch Multifunction PLC IO Expansion Board Modbus
$18.39 to $63.12
5PCS 5A/10A/20A 110 220V 50HZ/60HZ RS485 Current Collector Ammeter MODBUS
$52.26 to $69.69
2 PCS 8 Channel 12V 24V Relay Shield Module RS485 PLC IO Expanding Board
$16.41 to $73.22
3.3V 5V UART PWM GPIO Digital Signal Full-Duplex Transceiver RS232 TTL to RS422
$4.79 to $12.65
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Seller feedback (20)
- i***l (2206)- Feedback left by buyer.Past 6 monthsVerified purchaseExactly as described, well-packaged, and shipped quickly! RECOMMENDED
- h***7 (1879)- Feedback left by buyer.Past 6 monthsVerified purchaseGreat Seller! Fast Shipping! A++++++
- i***o (404)- Feedback left by buyer.Past 6 monthsVerified purchaseArrived fine, as advertised!
- a***z (366)- Feedback left by buyer.Past yearVerified 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 (1383)- Feedback left by buyer.Past 6 monthsVerified purchaseVery good transaction, A++