For Dummies: Arduino tutorial blink without delay | Review & Prices

  • KEYESTUDIO 4 Channel Relay Shield 5V for Arduino Controller R3 ARM PIC AVR STM32 Raspberry Pi HIGH Level Trigger Relay Module Expansion Board
    It integrates 4-channel 5V relay module, and is fully compatible with R3 control board. The 4-channel relay module shield is active at HIGH level. Relay Terminals: high-power, high-current high voltage can be connected to the device. Separately connect the 4-channel relay to digital port 4, 5, 6, 7 on the R3 control board, then through controlling output HIGH or LOW to control the relay on and off. How to use: search for "keyestudio wiki ks0251" in Google Chrome to get the wiki online tutorial for this product.
  • DC 12V/24V Adjustable Cycle Time Delay Relay Module, Delay On/Off Timer Delay Switch Module 6 Types Optional (DC24V 0-15mins)
    STABILITY: it is a timer relay module with high precision, stable and reliable performance 2 MODES: support 2 modes, mon mode(once) and cycle mode, and you can simply switch mode by adjusting the jumper USAGE: connect 2 wires of “Key ”if you need module to work recurrently after power on ADJUSTABLE DELAY TIME: there are many voltage and time range for your choice, both “on” time and “off” time are adjustable APPLICATION: widely used on timer operating equipment, machine repetitive test circuit, fish tank intermittent pump, etc
  • AC100V~250V Infinite Cycle Delay Timer Timing Switch Relay Turn On Off Module 0.5s ~ 1000min Adjustable Time Delay Switch
    AC100V~250V voltage, can be used for 100V/110V/ 120V/ 127V/220V/230V/240V power 0.5s~1000min wide adjustable time range, you can adjust the delay time both at "RUN" time and "STOP" time Module enters into an infinite cycle mode when power on, and stops working automatically after the setting time, easy to operate Can be used to control the reciprocating stroke, or repetitive power on and off for equipment and products burn-in test Suitable for timer operating equipment, machine repetitive test circuit and fish tank intermittent pump
  • DZS Elec 5V-30V 1 Channel Wilde Voltage 0-24s Adjustable Delay Internal/External Trigger Relay Board with Timer Delay Conduction Delay Circuit Switch with USB to Micro USB Power Line
    Can adjust 0-24 seconds delay time with potentiometer, which is convenient to complete. Two Trigger Mode: Provide an external signal by TRIG, or light touch trigger button. 5-30V wide work voltage, with terminal and micro USB two power supply modes. With over current protection, pull-up and filter circuit designed mode signal terminal block, strong ability of anti-jamming, suitable for industrial control. With relay pull indicator light, can directly reflect the current work status.
    7.89 $
  • DC 6-30V Cycle Delay Timer Switch LED Display Delay On/Off Relay Module Trigger 0.1s to 999min adjustable
    ★ Specification: Supply voltage: DC 6-30V, Trigger signal: High level (3.0V-24V) (The signal and system don't use the same GND port), Output capacity: DC 30V/5A, AC 220V/5A, Static current: 20mA, Working current: 50mA, Working temperature: -40~85℃. ★ Module highlights: 1. Wide voltage power supply (6~30V) supports micro USB 5.0V power supply. 2.The interface is clear and simple, powerful, easy to understand. 3. One button emergency stop function (STOP button), with reverse polarity protection to prevent burn-out. ★ Parameter setting and saving, Different OP, CL, LOP parameters can be set. These parameters are independent of each other and saved separately. All setting parameters are automatically saved after power-off. ★ How to Set Timing Range: After setting the parameter value at mode selection interface, short press "STOP" button to set the timing range; ①XXX. - timing range: 1 second to 999 seconds. ②XX.X - timing range: 0.1 seconds to 99.9 seconds. ③X. X. X. - timing range: 1 minute to 999 minutes.
    10.39 $
  • DC 12V Delay Relay Board Delay Turn On/Turn Off Switch Module with Timer
    The product is registered Trademark by GERI® . With 8 time ranges selected shortest 0.1s most up to 1 hour Protection against power reversal protection diode, better protection module Can be accessed by a large current load (250V ac 10A or 30V dc 10A) With delay adjustment potentiometer clockwise adjustment time longer
    18.50 $
  • HiLetgo 2pcs Trigger Time Delay Switch Relay Module Adjustable Time Delay Control Swtich Trigger Delay Conduction Relay Switch Module Wide Voltage Delay Relay DC 5V-30V Micro USB Power
    Trigger Time Delay Switch Relay Module Adjustable Time Delay Control Swtich MicroUSB 5.0V power supply with an input port, easy to use, 5 ~ 30V wide supply voltage. Adjusting the potentiometer can set the length of time. Anti-interference ability, the relay at various interference will not misoperation, suitable for industrial control.
    6.09 $
  • 12V DC Delay Relay Delay with Timer Turn on / Delay Turn off Switch Module (12V)
    12V delay turn on or delay off module With 8 time ranges selected shortest 0.1s most up to 1 hour Can be accessed by a large current load (250V ac 10A or 30V dc 10A) Protection against power reversal protection diode, better protection module With delay adjustment potentiometer clockwise adjustment time longer
    11.09 $
  • Timer Control Relay, 3V - 7.4V Adjustable Cycle Time Delay Switch Module for Automotive and Lamp Accessory Applications, Relay Module
    ◇【Working current】-This time delay relay can be powered with low voltage, minimum to 3V. DC 3V~7V ◇【Ascendancy】-Output optical coupling isolation improves anti-interference ability. ◇【Power】-Commonly-used 3.7V lithium batteries, 5V power banks, switching power supply can be used to power this board. ◇【Widely used】-This Timer Relay Module Widely used to control motors, light bulbs, LED belts, DC motor, small pumps, etc. ◇【Description】-The module uses industrial level circuit board, and set parameters will be saved after power failure.
    7.29 $ 7.79 $ -6%
  • 1pc DC 5V/12V/24V Adjustable Times Switch Module Delay On/Off Timer Delay Switch Module 6 Types Optional Time Delay(DC12V 0-60mins)
    STABILITY: it is a timer relay module with high precision, stable and reliable performance 2 MODES: support 2 modes, mon mode(once) and cycle mode, and you can simply switch mode by adjusting the jumper ADJUSTABLE DELAY TIME: there is a wide time range that you can set, both on time and off time are adjustable GREAT TO CHOOSE: it is great to control the reciprocating stroke, or repetitive power on and off for equipment and products burn-in test APPLICATION: widely used on timer operating equipment, machine repetitive test circuit, fish tank intermittent pump, etc
    9.79 $

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