Electronic Modules

MQ-7 sensor module for carbon monoxide detector Sensor MQ-7 Description: MQ-7 gas sensor is sensitive material used in clean air, low conductivity tin dioxide (SnO2). Detection method using low temperature cycling (1.5V heating ) detect carbon monoxide, airborne sensor conductivity i...Read More

MQ-8 Sensor Description: MQ-8 gas sensor sensitive material used in clean air conductivity is lower tin dioxide (SnO2). When the sensor is present in the environment in which the combustible gas , the sensor's conductivity increases with the concentration of combustible gases in air i...Read More

MQ-9 combustible gas sensor detects carbon monoxide alarm module MQ-9 Sensor Description: MQ-9 gas sensor sensitive material used in clean air conductivity is lower tin dioxide (SnO2). Detection method using low temperature cycling (1.5V heating ) detect carbon monoxide, airborne sensor co...Read More

MQ-135 sensor module for Air quality and hazardous gas detection MQ-135 Sensor Description: MQ135 gas sensor is sensitive material used in clean air, low conductivity tin dioxide (SnO2). When the sensor is kept in their environment The contaminated gas, the conductivity of the sensor wit...Read More

Active buzzer module, high level trigger buzzer panel  module description： 1 module using S8050 transistor drive 2 Operating voltage 3.3V-5V 3 with fixed bolt hole for easy installation 4 small plates PCB size: 3.2cm * 1.3cm 5 When the I / O port input high, the buzzer s...Read More

Active buzzer module, low trigger buzzer panel Module Description: 1.module using S8550 transistor drive 2 Operating voltage 3.3V-5V 3 with fixed bolt hole for easy installation 4 small plates PCB size: 3.2cm * 1.3cm 5 When the I / O port input low, the buzzer sounds   Mod...Read More

Passive buzzer, need I / O port input oscillation frequency, the buzzer will sound.  module description 1.module using S8550 transistor drive 2 Operating voltage 3.3V-5V 3 with fixed bolt hole for easy installation 4 small plates PCB size: 3.2cm * 1.3cm module interface sp...Read More

Buzzer module PCB, both active and passive high and low trigger universal circuit board As shown in kind, fitted components can be used, active, passive buzzer are common, with the S8050 can be a high level trigger, with the S8550 can be a low-level trigger Read More

51 MCU development board minimum system   All experimental board I / O ports are external  Description: 1.40 pin all the leads. 2 Classic 51 minimum system, eliminating the hassle of soldering 3 Crystal: 11.0592M 4 support chips: STC89C52 STC12C5A60S2 STC11/10x...Read More

    TCT40-16R/T RT split ultrasound / ultrasonic sensor / ultrasonic probe,                                                  center frequency: 40KHz ,diamete...Read More