Circuit Modules & Development Board
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Specifications:
Operating Voltage : DC 3.3V
Logic level : 3.3V LvTTL Logic level
RS485 BUS IC : SP3485
Read and write automatic control IC :SM74HC04
Size : 17.9x11.7x2.8mm(
Weight : 0.7gWiring Diagram:
Application:
RS485 Temperature and humidity sensor
PTZ camera
LED controll..
$19.99
Ex Tax:$19.99
Parameter: Working voltage: DC 5V Working current: less than 35MA Type: Analog Sensor Test area: 40 mm x 18 mm Operating temperature: 10 ℃ to 30 ℃ Working humidity: 10% - 90% No condensation Fixing hole size: Φ3mm Product size: 60mm x 22mm Applicable occasions: Design of water level alarm Features..
$14.99
Ex Tax:$14.99
Overview:RC absorption circuit module used on protecting the relay or thyristor because it can avoid damage thatfrom inductive electromotive force generated by the inductive load when on or off. Preventing electromagneticinterference and increasing the anti-jamming capability of the microcontroller...
$17.99
Ex Tax:$17.99
10pcs Red DC2.5-30V LCD Display Digital Voltage Meter Waterproof Dustproof 0.4 Inch LED Digital Tube
Feature: Material: Plastic Display color: Red Dimensions: 40 x 25 x 23mm Cutting Size: 37 x 20mm Cable length: 20cm Measure range: DC 2.7-30.0V Maximum input: DC 30V Allowable error: 0.01V resolution below 10V, 0.1V resolution above 10V, 1% error tolerance (+/-1bit) Display: Three 0.40" LED digita..
$34.99
Ex Tax:$34.99
Feature:Detection voltage: DC2.5V ~ 30VWorking current:..
$10.44
Ex Tax:$10.44
Feature:Power: 3WVoltage: DC-DC 5V to 3.3V/9V/12V/24VNote: The USB adapter does not includes, if you need it, please buy Contact Us, Product ID: EB0051029Package includes:10 x Power supply module..
$31.99
Ex Tax:$31.99
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Product Introduction:
The cover case has dedicated holes position for corresponding function; do not affect the operation of micro:bit development board; do not affect the power access; do not affect the dot matrix display.
The cute shape allows you to use micro:bit more fun.
S..
$21.99
Ex Tax:$21.99
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Features:
The kit includes one pair of transmitter and receiver modules and one pair of spring antennas for increasing the communication distance. And the frequency is 433MHz. It is very popular for remote control systems, such as the wireless doorbell, remote control rolling gates, smart ..
$26.99
Ex Tax:$26.99
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Features:
The kit includes one pair of transmitter and receiver modules and one pair of spring antennas for increasing the communication distance. And the frequency is 433MHz. It is very popular for remote control systems, such as the wireless doorbell, remote control rolling gates, smart ..
$28.99
Ex Tax:$28.99
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Introduction to RC522 chip:
MF RC522 is a high-integration read/write card chip used in 13.56MHz contactless communication.
It is a good choice for the development of smart meters and portable handheld devices.
The MF RC522 utilizes advanced modulation and demodul..
$21.99
Ex Tax:$21.99
Brand:Renhotec Precise details>> Precise details: Features:Smart reverse polarity protection, reverse power supply will not damage the IC.IC control circuit and LED point light source share a power supply..
$7.99
Ex Tax:$7.99
Description: Working voltage: DC 5V A circle of pulse count: 20 - Rotary encoder through rotation direction and reverse direction can count is in the process of the number of output pulse, rotating counter unlike potentiometer, the rotation count there is no limit.Cooperate with the buttons on t..
$20.99
Ex Tax:$20.99