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7.83Hz PRO Version 0.01Hz~300KHz 7.83Hz Schumann Resonance Frequency Generator
RM 131.23
0.01-100Khz 4 Output Large 7.83 Schumann Resonance Generator Pure Sine Wave
RM 176.72 to RM 576.43
DC 12V 24V 8ch Multifunction Delay Timer RS485 Modbus Relay Module
RM 143.39 to RM 212.60
Mini 7.83Hz Schumann Resonances 0.01Hz~9999Hz Sine Wave Signal Generator
RM 49.86 to RM 185.09
DC12V DTMF MT8870 Phone Voice Decoder Control Toggle Latch Delay Timer Relay
RM 94.63
8DO DC 12V-24V RS485 RS232 DB9 Solid State Relay Module N-MOS Isolation Output
RM 37.57 to RM 98.20
ESP32 S3 WiFi BLE RS485 485 BUS Expansion Board 2.4G Smart Home DIN Rail Module
RM 60.63 to RM 84.23
ESP32 3.3V to 5V Bidirectional DIO LvTTL TTL Level Converter Din Rail Expansion
RM 77.88 to RM 95.43
Simulation Debug Board 0-10V 4-20MA Output ADC DAC Tester NPN PNP DI-DO Module
RM 64.21 to RM 72.16
7.83HZ Schumann Resonances Generator External Antenna 14.3 20.8 27.3 33.8Hz
RM 35.64 to RM 64.59
2 PCS 16ch 12V RS232 Serial Port DB9 Relay Board UART Smart Switch Module LED
RM 233.85
16CH Analog Input Module RS485 Modbus RTU 0-5V 0-10V Voltage Acquisition Module
RM 74.01 to RM 86.00
2 PCS 433M 868M RS485 RS232 USB Wireless Transceiver Serial Data Long-Distance
RM 44.56 to RM 150.17
16-48 DI NPN/PNP Digital Switch PLC IO Expansion Board DC Optical isolation Inpu
RM 63.79 to RM 144.23
DIN Rail Mount Screw Terminal Block Adapter Module for arduiuo MEGA2560 R3
RM 90.84 to RM 125.34
DC 5V12V RS485 UART Modbus RTU HX711 Pressure Weight Sensor Electronic Scale
RM 24.78 to RM 36.98
30A AC 110V 220V UPS module 50 60HZ backup power board power outage switc
RM 33.20 to RM 49.19
433M 868M 915M Lora Transceiver with Feedback Switch Quantity IO Wireless Remote
RM 155.68 to RM 317.37
-200-1350C Modbus Rtu K-type to RS485 thermocouple to digital converter
RM 20.20 to RM 41.15
10 PCS USB TO TTL 232 RS232 UART Serial Port CH340 for arduiuo Win10 Linux Mac
RM 99.97
1/5PCS Mini 2A DC DC Buck Converter 3.7V 4.2V 4.5V 5V to 3.3V Voltage Regulator
RM 8.84 to RM 35.60
UD23A08 USB TTL232 UART PC MCU COM Relay CH340 WIN10 Linux MAC 8ch DC 5V 12V 24V
RM 5.15 to RM 104.40
10M GPIO Logic Level Converter Board PWM Signal Optical Isolation Module PNP NPN
RM 24.74 to RM 77.63
DC 12V 24V 1CH 3A Small Relay Board RS485 UART Serial Port Switch MODBUS RTU
RM 100.22
DC 5V 12V 24V Magnetic Latching Relay Module Bistable Self-locking Latch Switch
RM 28.99 to RM 102.07
DC 1.5V 1.8V 2.5V 3.3V 3.7V 5V Boost-Buck Converter Board Power Supply Module
RM 118.95
Din Rail Mount Box ESP32 Expansion Board 3.96 Connector for ESP32S ESP-WROOM-32
RM 24.36 to RM 36.98
With Acrylic Shell 7.83HZ 0.01H-100KH Schumann Resonance Pulse Sine Wave Generat
RM 73.13 to RM 121.98
3.3V 5V UART PWM GPIO Digital Signal Full-Duplex Transceiver RS232 TTL to RS422
RM 20.15 to RM 53.22
MPPT Solar Controller 3.2V 3.7V 4.2V 7.4V Battery Charging Charger Module
RM 154.50
10W Dual Channel DC-DC Step-Down Buck Converter Board DC 7-30V to 3.3V 5V 12V
RM 11.99
2PCS DC 12V 24V 8ch IO Digital Collector USB COM Serial Port UART Relay Module
RM 36.98 to RM 134.18
Mini Dc 12V 2Ch Rs485 Relay Board Modbus Rtu Switch Module Board
RM 20.15
DC 12V 24V 8AI-8DI-8DO Expansion Board RS485 Analog Collection Wifi Relay Switch
RM 68.96 to RM 105.57
24CH ON/OFF Momentary Delay Latch 12V 24V Relay Module Uart Modbus PLC IO Board
RM 269.70
5 PCS 5W DC DC Step Down Converter 5-40V to 12V 5V 3.3V repl 7812 7805 AMS1117
RM 28.99
ESP32 Expansion Board Digital Analog DAC ADC IO Wifi Relay Switch ES32C14 Module
RM 125.64 to RM 152.27
10PCS Industrial Grade RS485 to TTL232 UART Isolated communication Surge Protect
RM 80.74 to RM 80.83
300mA +3~+15V to-3.3v ~-15V Boost-Buck input +Voltage output -Voltage Converter
RM 118.95
10 PCS DC 12V 2A mini Bistable Self-locking Relay Module Flip-Flop Latch Switch
RM 105.57 to RM 105.99
with arduiuo sketch 16x16 Matrix Dot Red mini LED Display for MEGA DUE NANO
RM 48.85
DC 12V 24V 32ch RS485 Modbus Controller RTU PLC DIN35 Rail Box Relay LED Driver
RM 121.93 to RM 158.96
1-8 Cell 1.2V 3.6V 4.8V 6V 9.6V NiMH NiCd Battery Dedicated Charger Module Board
RM 12.16
Type-C Li-ion Li-Po Lithium Battery Charging Module QC FCP USB 18650 1A Charger
RM 83.86
16CH RS485 Analog Input Module 4-20MA 0-20MA 0-5V 0-10V Current Voltage Collect
RM 34.88
8 Ch Analog Output 0-10V 0-5V AO Module RS485 Modbus RTU To Voltage PLC Remote
RM 117.77
DC 24V 36V 48V 60V 72V TO 12V DC-DC Buck Converter Voltage Stabilizing Module
RM 51.63 to RM 125.59
3.7V 4.2V 1-Cell LI-ON LI-PO Battery Power Voltage Indicator LED P/V Detection
RM 7.53 to RM 20.15
About us
Seller feedback (21)
- y***e (74)- Feedback left by buyer.Past monthVerified purchaseVery good design and an excellent product. Tested with an oscilloscope and EMF metter. perfect.
- i***l (2250)- Feedback left by buyer.Past 6 monthsVerified purchaseExactly as described, well-packaged, and shipped quickly! RECOMMENDED
- s***t (870)- Feedback left by buyer.Past 6 monthsVerified purchaseThanks!
- d***i (13)- Feedback left by buyer.Past 6 monthsVerified purchaseNot what I expected but works.
- 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!