7.83HZ Schumann Resonances Generator External Antenna 14.3 20.8 27.3 33.8Hz Eart RM 21.18 to RM 54.51
RS485 ESP32 Din Rail Mounting Expansion Board DC 7-30V Power Input 5V 3.3V Outpu RM 39.81 to RM 53.07
4-8CH Relay Pluggable Modbus Remote IO Module Baud Rate Slave ID Dip Switch Sele RM 67.88 to RM 112.75
2IN1 CAN/RS485 Dual Bus PLC IO Expanding 24V 8DI-8DO 8 Relay Control Digital PNP RM 16.94 to RM 135.80
RS485 I2C CAN 1-Wire BUS Hub Splitter Master-Slave Ring Network Wiring for ESP32 RM 31.71 to RM 45.34
5-28V RS485 Serial Port Meter RS485 LED Display PLC Communication MODBUS-RTU ASC RM 29.67 to RM 212.21
433MHz DC 12V 2Channel Multifunction Wireless Controller Timer Delay Relay Modul RM 53.06 to RM 212.21
DC12V 10A Power Brushed DC Overload Overcurrent Protect Forward Reverse Control RM 39.27 to RM 144.29
4CH 4 Bit LED Pro mini PLC Relay for Arduno DIY Cycle Delay Time Switch Control RM 29.63 to RM 428.58
12V 20A Power Brushed DC Short Circuit OverLoad Protect Forward Reverse Control RM 50.90 to RM 152.78
3.5MM Male to Male Aux Audio Cable Gold Plating Copper Core Wire For 7.83HZ Schu RM 88.00 to RM 198.62
12V 12CH Optically Isolated NPN 12DI-12DO PLC IO Expanding Modbus RTU 485 Relay RM 33.92 to RM 150.95
3.5-12V to 12V DC-DC Step-up Motor Rotation Relay Control Converter Boost Module RM 29.67 to RM 63.63
Max 1000mA 2 in1 DC1.5-3.7V to 4.2-5V Boost Charging tp4056 charger Module board RM 33.92 to RM 72.12