RM2U 2-Channel USB Controlled Relay Module with CH340
Prices updated: 12 Oct 2026
Compare prices
| Store | product | Price | View in store |
|---|---|---|---|
 Makers Electronics | RM2U USB Controlled Relay Module 2-Channel | 425 EGP | View in store |
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Lowest price recorded: 425 EGP
About this product
The RM2U is a 2-channel relay module controlled over USB through a CH340 serial interface. Each channel has an optically isolated SPDT output and a status LED, and the board accepts a 9–40V DC supply. It suits small home automation and control projects.
Specifications
- Number of channels
- 2
- Control interface
- USB (CH340 serial)
- Supply voltage
- 9–40 V DC
- Output type
- Optically isolated SPDT
- Status indication
- LED per channel
Frequently asked questions
What is the price of RM2U 2-Channel USB Controlled Relay Module with CH340 in Egypt?
RM2U 2-Channel USB Controlled Relay Module with CH340 currently costs 425 EGP in Egypt.
Where can I buy RM2U 2-Channel USB Controlled Relay Module with CH340 in Egypt?
RM2U 2-Channel USB Controlled Relay Module with CH340 is available from Makers Electronics. Compare the offers above to find the best price.
How do I control the relays from a computer?
The module connects over USB and uses serial control through a CH340 USB-to-serial chip. On Windows, the CH340 driver may need to be installed if it is not detected automatically. Command formats are defined by the vendor, so check its documentation.
What power and wiring precautions should I follow?
Power the board within the listed 9–40V DC range. Keep mains-voltage loads wired to the relay contacts only, and keep the control side separate from high-voltage wiring.
