5pcs pfm control dc

5Pcs PFM Control DC-DC 0.9V-5V Step-up Power Supply Module Description: Mini PFM Control On-board input voltage indicator High conversion efficiency, maximum to 96% Any DC voltage input 0.9V ~ 5V, output 5V DC voltage can be stable, with two AA batteries input to the output current of 500-600MA, single AA battery power supply output current about 200MA On-board USB female, can supply power directly to the USB interface Small dimension Specification: Input voltage: 0.9 - 5V DC Output voltage: 5V DC PCB size: 34mm x 16.2mm Applications: DIY a mobile power supply, only need one battery, you can output 5V voltage for your phone, MP3, MP4, PSP charger, very easy. In order to power your electronic devices when your device needs 5V power supply, when you only have lithium battery, this module can be directly step-up to 5V, solve your problems. Package included: 5 x Mini PFM control DC-DC USB 0.9V-5V to 5V DC boost step-up

FAST AFFORDABLE COURIER SHIPPING TO SOUTH AFRICA Specification: Input Power Supply: 12V DC Load Voltage: AC240V 2A Maximum operating current: 13.8mA Trigger mode: low level Input control signal voltage: (0-2.5V low state relay OFF) (3.3-5V state high relay ON) Blue KF301 terminal connection control line is more convenient. Module interface: DC +: positive power supply (by relay voltage power supply) DC-: connect power negative CH: Relay Module signal triggering end (Low level trigger effective) Note: Power must be DC voltage and need to be consistent with the voltage relay Package Included: 5 x Low Level Relay Module 5pcs 1 Channel DC 12V Relay Module Solid State Low Level Trigger For Arduino 240V2A 5pcs 1 Channel DC 12V Relay Module Solid State Low Level Trigger For Arduino 240V2A 5pcs 1 Channel DC 12V Relay Module Solid State Low Level Trigger For Arduino 240V2A

Buy 5Pcs SONOFF SV DC 5V-24V DIY WIFI Wireless Switch Socket SV Module APP Remote Control for R986.69

Specification: Supply voltage: DC 12V Static current: ≤35MA, attract current ≤65MA Output voltage: DC 12V Output power: 10A relay Measurement input: NTC (10K 0.5%) Waterproof Sensor Environmental requirements: -10 ~ 60℃, Humidity 20% ~ 85% Dimensions: 48 x 40mm Cable length: About 52 cm Temperature control mode: ON / OFF Temperature range: -50 ~ +110°C Control accuracy: 0.1°C Hysteresis  accuracy: 0.1°C Refresh rate: 0.5S High temperature protection: 0 ~ 110°C Resolution: When temperature is 0.1°C, the resolution is -9.9~99.9, other temperature segment is 1°C Package included: 5 x Digital temperature control switch with cable

Buy 5pcs DC-DC 0.9V-5V to 5V 600mA USB Step Up Power Boost Module PFM Control Mini for R120.96

Buy 5pcs DC-DC 0.9V-5V to 5V 600mA USB Step Up Power Boost Module PFM Control Mini Mobile Booster for R161.54

FAST AFFORDABLE COURIER SHIPPING TO SOUTH AFRICA Description: Trigger mode: High level 5V relay module Can be used for microcontroller development board module or home appliance control 5V - 12V TTL control signal Can control DC or AC signal, also 220V AC load Normally open / closed contact Power indicator Controlled lights bright when pull and not shine when disconnect Increase the transistor drive relay coils, control pins high impedance Control pins have pull down circuit to prevent malfunction of relay vacant Package included: 5 x 5V 1 channel relay module 5Pcs 5V Relay 5-12V TTL Signal 1 Channel Module High Level Expansion Board For Arduino 5Pcs 5V Relay 5-12V TTL Signal 1 Channel Module High Level Expansion Board For Arduino 5Pcs 5V Relay 5-12V TTL Signal 1 Channel Module High Level Expansion Board For Arduino

Description: Trigger mode: High level 5V relay module Can be used for microcontroller development board module or home appliance control 5V - 12V TTL control signal Can control DC or AC signal, also 220V AC load Normally open / closed contact Power indicator Controlled lights bright when pull and not shine when disconnect Increase the transistor drive relay coils, control pins high impedance Control pins have pull down circuit to prevent malfunction of relay vacant Package included: 5 x 5V 1 channel relay module

5Pcs Geekcreit DC 12V 10A Relay 1CH Channel Wireless RF Remote Control Switch Package contains 1 X item of the smallest listed variant.

5pcs DC 6V 12V 24V 28V 3A 80W PWM Motor Speed Controller Regulator Adjustable Variable Speed Control Switch Package contains 1 X item of the smallest listed variant.

5Pcs 5V 1-Channel H/L Trigger Optocoupler Relay Module For Arduino Description: The module uses genuine quality relay, normally open interfaces Using SMD optocoupler isolation, driving ability, stable performance The module can be high or low by a jumper setting trigger Fault-tolerant design, even if the control line is broken, the relay will not operate The power indicator (green), the relay status indicator (red) The interface design of human nature, all interfaces are available through a direct connection terminal leads, very convenient Specification: Maximum load: AC 250V/10A, DC 30V/10A Trigger current: 5mA Working voltage: 5V Module size: 50 x 26 x 18.5mm (L x W x H) Four mounting bolts holes, diameter 3.1mm Module interface: DC+: positive power supply (VCC) DC-: negative power supply (GND) IN: can be high or low level control relay Relay outputs: NO: normally open relay interface COM: Common Interface Relays NC: normally closed relay interface High and low level trigger options: It is low level trigger when jumper connect to LOW pin It is high level trigger when jumper connect to HIGH pin Package included: 5 x 1 Channel H/L trigger optocoupler relay module

5Pcs NE555 Pulse Frequency Duty Cycle Adjustable Module Square Wave Signal Generator Features: 1. As a square wave signal generator,generates a square wave signal used for experimental development. 2. Used to drive a stepper motor for generating a square wave drive signal. 3. Generate adjustable pulse for MCU. 4. Generate adjustable pulse,to control circuitry associated. 5. Size: 31mm x 22mm 6. Main chip: NE555 7. Input Voltage: 5V-15V DC. When power supply is 5V, the output current can be 15 MA around; when 12V power supply, the output current can 35 MA around 8. Input current: >=100 MA 9. Output amplitude: 4.2V V-PP to 11.4V V-PP. (Different input voltage, the output amplitude will be different) 10. Maximum output current: >=15MA (5V power supply, V-PP greater than 50%), >=35MA (12V power supply, V-PP greater than 50%) 11. Output with LED indication(low level,LED will on; high level,LED will off;low frequency, the LED flashes) 12. The output frequency range is selectable: LF file: 1Hz ~ 50Hz IF file: 50Hz ~ 1kHz High-frequency file: 1KHz ~ 10kHz HF file: 10kHz ~ 200kHz 13.The output duty cycle can fine-tune; duty cycle and frequency is not separately adjustable; adjusting the duty cycle will change the frequency Package included: 5 x NE555 Pulse Frequency Duty Cycle Adjustable Module

FAST AFFORDABLE COURIER SHIPPING TO SOUTH AFRICA Description: 1. The EasyDriver is a simple to use stepper motor driver, compatible with anything that can output a digital 0V to 5V pulse. (or 0V to 3.3V pulse if you solder SJ2 closed on the EasyDriver) 2. EasyDriver requires a 7V to 30V supply to power the motor and can power any voltage of stepper motor. 3. The EasyDriver has an on board voltage regulator for the digital interface that can be set to 5V or 3.3V. Connect a 4-wire stepper motor and a microcontroller and you've got precision motor control! EasyDriver drives bi-polar motors, and motors wired as bi-polar. I.e. 4, 6, or 8 wire stepper motors. 4. It provides much more flexibility and control over your stepper motor, when compared to older versions. The microstep select (MS1 and MS2) pins of the A3967 are broken out allowing adjustments to the microstepping resolution. The sleep and enable pins are also broken out for further control.cjmcu made. Features: 1. MS1 and MS2 pins broken out to change microstepping resolution to full, half, quarter and eighth steps (defaults to eighth) 2. Compatible with 4, 6, and 8 wire stepper motors of any voltage 3. Adjustable current control from 150mA / phase to 750mA / phase 4. Power supply range from 7V to 30V. The higher the voltage, the higher the torque at high speeds 5. Distribution pin, not welded, this module is open source Note: Do not connect or disconnect a motor while the driver is energized.This will cause permanent damage to the A3967 IC. Chip data: https://www.alldatasheetcn.com/datasheet-pdf/pdf/83571/ALLEGRO/A3967.html Package included: 5 X A3967 easy driver stepper motor driver board 5pcs DC 7V To 30V 150mA To 750mA A3967 Easy Driver Stepper Motor Driver Board For Arduino 5pcs DC 7V To 30V 150mA To 750mA A3967 Easy Driver Stepper Motor Driver Board For Arduino 5pcs DC 7V To 30V 150mA To 750mA A3967 Easy Driver Stepper Motor Driver Board For Arduino

Description: 1. The use of synchronous rectifier converter design, high efficiency, high current work doesn't require additional heat sink, the output is smooth DC (no pulse), direct drive output design. 2. Can support all 12V 5A within the fan, including brush DC motors, pumps, light bulbs, etc. Can't exceed the maximum current conditions can work more than one fan in parallel, a soft-start power. 3. Can be adjusted by rotating the board any manual speed control resistor. 4. With four-zone automatic temperature control variable speed function, plug in the temperature control probe automatically after the entry into force, temperature control will manually adjust the speed to the lowest speed, the highest speed is 12V through. The linear speed of the middle speed change. 5. With the work monitoring function of a channel, can support a way with a speed wire (such as three-wire fan) stop monitoring alarm, when the speed is less than 450 rpm sound and light alarm (need to be equipped with buzzer). Specifications: Working voltage: DC 12V Circuit load capacity: maximum current per output 5A, the bus current up 9A Output range: the first channel: 20%-100% or 40%-100% (TFL = ON); the second channel and the third channel: 10%-100%; (Note: above range only for PWM range, the actual control effect will vary depending on the fan) Temperature probe parameters: 50K B=3950 Thermostat temperature zone error: error depending on the temperature probe, generally 3%-5% Stall alarm minimum speed: 700-800 rpm Circuit board size: 50 x 49 x 15mm Center distance of locating hole: 44 x 43mm, diameter: 3.2mm Setting switch description: TFL(No.1): the lowest temperature channel PWM setting, when ON state FAN1 PWM minimum is 40%, when OFF the minimum PWM of FAN1 is 20%,. TP1 TP2(No. 2, 3): temperature channel control temperature zones are interpreted as follows(need to use with the temperature probe) TP1 TP2 Accelerating temperature Full speed temperature OFF OFF 35￢ﾄﾃ 45￢ﾄﾃ ON OFF 40￢ﾄﾃ 55￢ﾄﾃ OFF ON 50￢ﾄﾃ 70￢ﾄﾃ ON ON 60￢ﾄﾃ 90￢ﾄﾃ Package included: 5 x DC 12V 5A PWM fan speed controller 5 x Temperature probe 5 x Buzzer

Specification: Operating Voltage: DC 6-90V This engine speed control switch can control the engine speed from 0%-100%. It is widely used in industrial production. Comes with a button to control the speed of the motor Easy to handle Comes with a button to control the speed of the motor Easy to handle Controlled Power: 0.01-1000W Max. Current: 15A Quiescent Current: 0.005 A (Standby) PWM Duty Cycle: 0% -100% PWM Frequency: 15KHz Control Voltage: 0-5V Module Size (L x W x H): approx. 64 x 59 x 22mm Notice: It must be connected with load to adjust speed. With the power supply reverse connection protection, over-voltage protection, 15A fast fusing ceramic fuse. It can be controlled directly by PLC voltage. Package included: 5 x DC motor speed controller