WiPy - MicroPython WiFi...
The Raspberry Pi 3 - even faster than the Pi 2, 1 Giga of RAM, WiFi...
25 Max. per order Raspberry-Pi Pico Microcontoler RP2040 Cortex M0+ @...
Assortment of BreadBoard wires Female-Female 300mm and 75 mm + Long...
75 extra flexible prototyping wires for breadboard
MAX PURCHASE 2 per person during global component back-out period The...
Prototyping and e-learning platform for creating interactive objects or...
Battery Holder for 18650 Lithium battery 18650 Lithium Battery (3.6v)...
Digital multimeter - DVM857
Linear potentiometer 10K Linear 0.05W 50 V ac max Model: P120
Panel Mount USB Cable USB C 3.1 Male (plug) USB C 3.1 C Female (panel...
Panel Mountable Stereo RCA 2 poles Red / Black 52 x 20 mm
Battery Pack Pressure contact (clip 9V) 2x AA 3V
Power supply with C battery 4x C (LR14) 4 battery 1.5V = 6V Clips Connector
Power supply with C battery 6x C (LR14) 6 battery 1.5V = 9V Solder...
9V battery adapter -OR- pressure contact adapter
side-entry connector (to connect plug with wires) JST-SH 6 pins (male)...
JST-SH 6 wire cable Female/Female connector Len: 100mm
JST-SH 6 wire cable Female/Female connector Len: 160mm
12V plastic Solenoid valve, only one...
12V plastic Solenoid valve, only one direction for the fluid.
Check the flow of the liquid using a flow of electron! A solenoid valve will be a great addition for gardening projects. It has two 1/2 inch fitting.
The valve is closed at rest, when a voltage of 12VDC is applied to both terminals, the valves opens and the water can push it to get through.
The design of the solenoid valve uses an internal seal, therefore, a minimum of pressure is required to activated it (0.02 Mpa or 3 PSI).
The liquid can also flow only in one direction (indicated by an arrow under the valve).
The solenoid valve has been tested under different DC voltages. It is possible to activate the valve from a voltage of 6VDC (but it is slower to open).
Here is a table that shows the different currents depending on the applied voltage.
Voltage -> Current
6V -> 160 mA
7V -> 190 mA
8V -> 220 mA
9V -> 240 mA
10V -> 270 mA
11V -> 300 mA
12V -> 320 mA
For a long activation period (30-35min) we recommend a supply voltage of 8V to limit the high overheating of the winding (minimum pressure of 1.5 Bar, thanks to Mr Smets)
We suggest to use of a TIP120 or a FET N-Channel power with a diode 1N4001 freewheeling to control this valve from a micro controller. A 9V power supply or 12V 1A will be enough to accomplish the expected task.
After, the use of a motor with a power MOSFET will be really..."trivial".