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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
A 3DR Telemetry Radio is a small
Length (mm) 22
There are solder pads on the back for connecting wires or breadboard pins and two mounting holes for securing this board to many different surfaces
Signal lights on board all the way
To top it off
ESP01S WiFi Relay Module KEY BOARD A 3DR Telemetry Radio isFeature: This ESP 01 01S Relay based on ESP 01 01S WIFI module. It is designed for smart home, internet and other DIY projects. With this smart relay, it is easy to DIY your smart switch to control any device by your phone anywhere. ESP Module is not included. Parameter: Working voltage: DC5V 9V Working current: 250mA Transmission distance: the maximum distance of 400m (open environment) Load: 10A 250VAC 10A 30VDC, the relay pulls 100,000 times
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