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Circuit Modules & Development Board

Feature:The DC-DC Step-down Adjustable Power Supply Module with 3digit LED Display is based on monolithic integrated circuit LM2596, ideally suited for easy and convenient design of a step−down switching regulator (buck converter). It is capable of driving a 3.0A load with excellent line and load re..
$52.99
Ex Tax:$52.99
Specification:  1. With the voltmeter shows voltage meter error ± 0.1V, the range 0-40V. (Note: To ensure the accuracy of the voltmeter, please ensure that the input voltage of 4V and above) 2. Touch the key to switch measuring input or output voltage, and has a light show which is being measured vo..
$26.99
Ex Tax:$26.99
Description: 1, Input voltage: 3.2-35VAdjustment method: the first to connect the power supply (3.2-35V) and then use a multimeter to monitor the output voltageand adjust the potentiometer (generally rise the voltage in Clockwise, reverse to buck)2, Output voltage: 1.25-30V continuously adjustable (..
$12.24
Ex Tax:$12.24
Feature:  Output Current: 1.5A (minimum), 2.2A (typ)Input and output voltage difference (VI-VO): 40Vdc (max)Adjustable output voltage range: 1.2 ~ 37VOperating temperature: -55 to +150Output Current: 1.5AInput voltage: 4.2 ~ 40 VCharacteristics Frequency: 100 (MHz)Module size: 35.6 (mm) x16.8 (mm)In..
$10.99
Ex Tax:$10.99
Features:  1.The flame sensor is most sensitive to flame,and it will also respond to ordinary light,generally used in fire alarm and other purposes.2.A small panel output interface can be directly connected with the microcontroller IO port.3.The sensor should be kept a certain distance from the flam..
$9.99
Ex Tax:$9.99
Specifications:   The distance between PCB two circular hole (point to point center) is 1.5cm, and the aperture is 0.3cm. Slot type optocoupler slot width : 10mm Main chip: LM393, slot type optocoupler H2010 Working voltage: DC 5V Size: 32mm x11mm x 20mm   Characteristic:   1. There is a signal outp..
$9.99
Ex Tax:$9.99
> Features:   - On-board LM393 voltage comparator chip and tilt sensor probe - Support 5 V / 3.3 V voltage input - On-board signal output instructions, output is high effective signal at the same time, the indicator lamp light output signal can be directly and single-chip microcom..
$14.99
Ex Tax:$14.99
Description:  1. Size: 32mm x 22mm x 22mm2. The main chip: LM393, MQ-3 gas sensor3. Work voltage: DC3-5V4. With the signal output instructions;5. Dual output (analog output, and TTL level output);6. TTL output valid signal is low, the microcontroller can be connected directly;7. 0 ~ 5V analog output..
$19.99
Ex Tax:$19.99
Feature:  Can be used for Acoustic control light , give sound and light alarm working with Photosensitive sensor, and sound control,sound detectWhen there is sound,outputs low level and the signal lightCircuit board output switch quantityThe output effective signal is low levelSingle channel signal ..
$7.74
Ex Tax:$7.74
Features:  L78XX series power supply module integrates rectification, filter components and voltage regulator chip. It inputs AC or DC voltage within a certain range, can regulate the output DC voltage, and has overheat and overcurrent protection. Product Parameters:              Model ..
$15.99
Ex Tax:$15.99