Serial Data Interface: Uart, Spi, I2c. Configuration Method: API Or At Commands, Local Or Over-the-air. Frequency Band: ISM 2.4 GHz. Form Factor: Micro, Through-hole, Surface Mount. Interference: Immunity Dsss (Direct Sequence Spread Spectrum). Adc Inputs: (4) 10-bit Adc Inputs. Digital I/o: 15.
Model: RFM69HCW Frequency:868MHz Power Output Capability:+20 dBm 100 mW Sensitivity:-120 dBm at 1.2 kbps Selectivity:16-tap FIR Channel Filter FSK Bit rates:1.2kbps to 300kbps Voltage range:1.8V to 3.6V Module Size:16X16mm
Three different soil test meters in one device; Measures moisture, pH/Acidity, and light. 100% Accuracy; Easy to read moisture, pH and light levels; Perfect monitor for growing healthy plants. Takes the guesswork out of gardening; Know exactly when to water, amend your soil or adjust lighting. Compact, portable & easy to use, just plug and use; Compact soil meter works…
4 Different Reading on one Screen On-Screen Battery Level Indicator Unit change Switch 200 mm probe to measure the root level Yellow Backlight Screen Power sleep mode for long battery life Portable and Plug and Play device
Low current consumption (typical 30 mA) CW or pulse operation Flat profile Long detection range (20 m) Supply voltage: 4.75V to 5.25V X-Band Frequency: 10.525 GHz Minimum Power Output: 13 dBm EIRP
Transmission signal processing control chip RCWL-9196 Wide operating voltage range 4.0V to 28.0V Penetrating detection capability, compared with the traditional infrared feeling PIR Adjustable Block time and distance Operating Current: 2.8mA (typical); 3mA (max) Detection Distance: 5-9m Transmitting Power: 20mW (typical); 30mW (max)
LC 5A Over-current protection Sensor module uses a current transformer to collect the AC signal to achieve the relay over-current signal output within 0-5A. Relay pull while over-current, relay released while not over-current
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