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5V-24V 555 Timer Adjustable Delay Relay Control Module

SKU: B2421
R33.00
No tax

5V-24V Micro USB Powered Adjustable Delay Relay Timer Control Module

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Product Description:

A USB powered timer circuit. PCB has a START-button and a multiturn pot for adjusting the delay timer for 0.1 to ~ 24 seconds.
Start timer input does not re-trigger, once time starts it will run a full timer cycle and then return to off condition where the trigger is active again.
PCB provides additional Solder points for external Supply and trigger inputs. 
 
NOTE:
If you need more time, you can replace the larger capacitor (C2) or potentiometer.
Delay time Time = 1.1 x R(ohm) x C(micro farad)

Operating mode:

Relay OFF in the initial state.
Providing a low pulse signal, or touch trigger key,
relay and indicator lights ON
After 0-24 seconds (this time can be adjusted according to your needs) relay will switch off and wait for next trigger.
Length of timing adjustment by potentiometer: 0-24 seconds.
Specifications:
  • Working voltage: 5 ~ 24V (on-board 5V regulator)
  • Time adjusted with 20 turn POT 
  • Relay ON - RED LED indicator.
  • USB Micro power input
  • Relay switch: 10A / 250VAC, 10A / 30VDC load.
  • Dimensions: 5.4 * 1.9 * 1.8cm (L * W * H)
B2421

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