12V Electronic Siren – 90dB₦ 2,000
This 12V 90bB Siren is ideal for alarms, security systems, emergency warning and antitheft systems. It produces a truly alarming sound.
- DC 12V Operating Voltage
- 95dB Sound Intensity
- Overall Size : 52 x 47mm
- Plastic Casing
- Comes with self adhering tape for easy monting.
- Built in mounting screws.
- Excellent for home automation, security, and industrial applications.
5V Electronic Buzzer₦ 850
- 40mA Current (Max)
- 80dB at 20cm Sound Output
- 100Hz Frequency
- 26mm Diameter
- 2mm Mounting holes
Electronic Soil Hygrometer₦ 2,500
This device can be used to measure soil moisture electronically. It has both analog and digital outputs. Sensitivity adjustable the blue digital potentiometer.
- 3.3V-5V Operating voltage
- Two Indicator LEDs: Power (Red) Output (Green)
- Mounting hole
- Compatible with Arduino and PIC microcontrollers
Four wire interface pin description:
1. VCC: .3 V-5V
2. GND: GND
3. DO: digital output interface (0 and 1)
4. AO: Analog Output InterfaceQucik View