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LM393 5V 1Bit Voltage Comparator Singal Channel Relay Control Circuit Module LM393 5V 1Bit Voltage Comparator Singal Channel Relay Control Circuit Module 1.Description:   It is a DC 5V 1Bit Voltage Comparator Module.It controls the output state of the relay by comparing the two voltages.   2.Features:   1>.Settable reference voltage   2>.Input... $5.35
$6.29
SKU: 14753
$5.35
$6.29

QC Mobile Power Boost Module 5V 2.4A Charger Circuit Board LCD Display QC Mobile Power Boost Module 5V 2.4A Charger Circuit Board LCD Display Parameter:   1>.Input charging voltage: DC 5V 1A   2>.Input battery voltage:DC 3.7V-4.2V Polymer Rechargeable Lithium Battery   3>.Input type:Type-C/MicroUSB/Lighting   4>.Output channel:2CH &nbs... $4.79
$6.39
SKU: 14048
$4.79
$6.39

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Solar Charging Circuit Board Mobile Power Boost Module 5V 1A 2A Charger Step UP Module Solar Charging Circuit Board Mobile Power Boost Module 5V 1A 2A Charger Step UP Module Parameter:   1>.Input charging voltage: DC 5V 1A   2>.Input battery voltage:DC 3.7V-4.2V Polymer Rechargeable Lithium Battery   3>.Solar panel charging voltage:DC 4.5V-5.8V   4>.Output chan... $3.97
$5.29
SKU: 14047
$3.97
$5.29

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Solar Charging Circuit Board Mobile Display Power Boost Module 5V 2.1A Charger Step UP Module Solar Charging Circuit Board Mobile Display Power Boost Module 5V 2.1A Charger Step UP Module Parameter:   1>.Input charging voltage: DC 5V 1.5A   2>.Input battery voltage:DC 3.6V-4.2V Polymer Rechargeable Lithium Battery   3>.Solar panel charging voltage:DC 4.2V-5.8V   4>.Output ch... $4.79
$6.39
SKU: 14046
$4.79
$6.39

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DIY Kit Pulse Sequence Control Repairer NE555 74LS194 Circuit Fault Detector DIY Kit Pulse Sequence Control Repairer NE555 74LS194 Circuit Fault Detector Description:   The pulse sequence control circuit electronic kit consists of a signal generator, a JK flip-flop, a NAND gate, a bidirectional shift register, etc., through which a time base circuit 555, NAND gate, JK flip-flop, ... $5.17
$6.99
SKU: 13811
$5.17
$6.99

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DIY Kits Infrared Sensor Alarm Electronic Circuit Suite DIY Kits Infrared Sensor Alarm Electronic Circuit Suite Descrption:    This circuit design can realize the buzzer sounds when the hand is close to the infrared emission tube and the infrared receiving tube, the LED light is on, the sound is stopped immediately after the hand is ... $2.48
$3.35
SKU: 13808
$2.48
$3.35

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20g-6kg Resistive Film Pressure Sensor 18mm Flexible Force Sensitive Resistor for Robot Wearable Device 20g-6kg Resistive Film Pressure Sensor 18mm Flexible Force Sensitive Resistor for Robot Wearable Device Description: 1>.Type:PR-C18.3-ST 2>.Sensing area diameter:18mm 3>.Measuring range:20g-6kg   Use manual:     Place the round side of the gasket over the sensor.In the center of the sensing a... $3.99
$4.99
SKU: 13670
$3.99
$4.99

5kg-50kg Resistive Film Pressure Sensor 10mm Flexible Force Sensitive Resistor for Robot Wearable Device 5kg-50kg Resistive Film Pressure Sensor 10mm Flexible Force Sensitive Resistor for Robot Wearable Device Description: 1>.Type:IMS-C10A 2>.Sensing area diameter:10mm 3>.Measuring range:5Kg~50Kg   Use manual:     Place the round side of the gasket over the sensor. In the center of the sensing ar... $3.75
$4.69
SKU: 13658
$3.75
$4.69

DIY Kit Music Circuit LED Flashing Module Electronic Components Suite DIY Kit Music Circuit LED Flashing Module Electronic Components Suite Description:     The 14-level binary counter CD4060 with internal oscillation circuit is used as the control panel to control the 12 red, yellow and green LEDs to blink. The adjustment of R3 can change the blinking of the L... $2.66
$3.59
SKU: 13613
$2.66
$3.59

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DIY Kit NE555 Trigger Circuit Electronic Components Suite DIY Kit NE555 Trigger Circuit Electronic Components Suite   $2.21
$2.99
SKU: 13601
$2.21
$2.99

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DIY Kit Multistage Amplifier Circuit Electronic Components Learning Suite DIY Kit Multistage Amplifier Circuit Electronic Components Learning Suite Description:      The NPN transistor in the circuit is responsible for amplification. When the weak input signal Ui causes a small change in the base current IB of the transistor, it can cause a large change in the col... $2.66
$3.59
SKU: 13600
$2.66
$3.59

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Trigger Cycle Timer Delay Relay Switch Circuit Module Dual MOS Control 5-36V Trigger Cycle Timer Delay Relay Switch Circuit Module Dual MOS Control 5-36V 1.Description:     ZK-J06 is a multifunction delay relay module.Digital tube display.It can be widely used at Smart home, Industrial control, Automatic irrigation, Indoor ventilation. And protection equipment.   ... $7.03
$7.99
SKU: 13501
$7.03
$7.99

SFT-B200 DC 12V Single Power Supply Heavy Subwoofer Preamp Board HIFI Low Pass Filter Pre-circuit Module SFT-B200 DC 12V Single Power Supply Heavy Subwoofer Preamp Board HIFI Low Pass Filter Pre-circuit Module Description: 1>.Item Name: Low Pass Filter Pre-circuit 2>.Model:SFT-B200 3>.Work voltage:DC 10-24V 4>.Frequency range:22Hz-300Hz 5>.Audio input:Mono or Stereo 6>.Audio output:Mono 7>.Work ... $6.79
$7.99
SKU: 13424
$6.79
$7.99

5PCS RCWL 0516 Microwave Motion Sensor Module Radar Sensor Body Induction Module 4-28V 100mA 5PCS RCWL 0516 Microwave Motion Sensor Module Radar Sensor Body Induction Module 4-28V 100mA Product Introduction: 1.Operating Voltage:4-28V 2.Operating Current:2.8mA (typical);3mA (max) 3.Detection Distance:5-7m 4.Transmitting Power:20mW (typical);30mW (max) 5.Output Voltage:3.2-3.4V 6.Output Voltage Driving Capacit... $5.88
$7.35
US Direct SKU: 13214
$5.88
$7.35

DC 3V-5V Arc Generator Igniter High Voltage Transformer Electronic Lighter for USB Cigarette Lighter DC 3V-5V Arc Generator Igniter High Voltage Transformer Electronic Lighter for USB Cigarette Lighter Description:   This is pulse arc lighter (smoke detector) kit. Its use is an instant spot device. Its size is very small. This DIY electronic lighter can be used for research and study by electronic enthusiasts. Its adva... $5.37
$7.25
SKU: 13036
$5.37
$7.25

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Antistatic Clip Pliers Circuit Board PLCC PCB IC Chip Extractor Removal Tool DIY Kit for Arduino Antistatic Clip Pliers Circuit Board PLCC PCB IC Chip Extractor Removal Tool DIY Kit for Arduino Product Introduction: Size:106*40mm A must have excellent PLCC PCB IC Chip Extractor which fits nicely in your tool box. This U type IC extractor is used for pulling integrated block, which is a convenient and professional tool... $1.99
$2.65
SKU: 12275
$1.99
$2.65

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TY Disassembling Motor Model DIY Kits DC 3-6V Magnet DC Motor Model J24018 for Studying Magnetic Line of Force Educational Practice Learning Kit TY Disassembling Motor Model DIY Kits DC 3-6V Magnet DC Motor Model J24018 for Studying Magnetic Line of Force Educational Practice Learning Kit 1.Introduction: This is a simple permanent magnet DC motor model to demonstrate the DC electric motor working principle. It can be taken apart and reassembled when powered with DC 3-6V voltage. It will rotate like a real electric motor... $13.02
$17.59
SKU: 12184
$13.02
$17.59

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15KV High Frequency DC High Voltage Arc Ignition Generator Inverter Step Up Boost Module 18650 DIY Kit U Core Transformer Suite 3.7V 15KV High Frequency DC High Voltage Arc Ignition Generator Inverter Step Up Boost Module 18650 DIY Kit U Core Transformer Suite 3.7V Product Introduction: NO. Parameter Value 1 Power Supply 3.7V-4.2V 2 Working Current 2A(Max) 3 ... $2.24
$2.99
SKU: 12099
$2.24
$2.99

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1Hz-1024Hz Signal Source Module Square Wave Digital Display Adjustable Duty Cycle 5V-24V 1Hz-1024Hz Signal Source Module Square Wave Digital Display Adjustable Duty Cycle 5V-24V Product Introduction: 1. Power Voltage:5V-24V 2. No Load Current:60MA 3. Output Port:2-channel complementary output(the same freuqncy,opposite phase) 4. Frequency Range:1Hz-1024Hz 5. Frequency Adjusting Step:1Hz 6. Duty Cycle... $12.81
$15.07
SKU: 9385
$12.81
$15.07

800KV 4cm 60s Super Arc 3.7V-6V Inverter Pulse High-Voltage Generator 800KV 4cm 60s Super Arc 3.7V-6V Inverter Pulse High-Voltage Generator Note: 1>. Avoid power on when No load.You must adjust the appropriate distance for high-voltage terminal before power on.The longer Arcing distance,the higher input voltage and battery capacity. 2>. It is prohibited exceed ... $9.59
$12.79
SKU: 8143
$9.59
$12.79

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