Hign-concerned Chemical : None Compatible With : other Accessory Type : Flat Wire Cable Brand Name : CHENJ Origin : Mainland China Function and Design description: 1. Connect the circuit according to the requirements and set the time resistance and supply voltage; 2. The output end is high before the power-on is not triggered. 3. The trigger end "falling edge" trigger is effective, and the output end immediately becomes low after triggering while the circuit starts timing; 4. The output end restores to high level after the set timing time, and waits for the next "falling edge" to trigger; 5. The chip is not triggered repeatedly, meaning that if it continues to trigger during the low level of the chip output after triggering, the trigger is invalid; 6. The "falling edge" trigger at the trigger end refers to the moment of change from high level to low level; 7. Generally, high level refers to VCC voltage, low level refers to 0-0.3v or GND, as long as it meets the level requirements; 8. The trigger end can trigger the ground touch switch or the MCU IO port or other digital circuits to produce "falling edge" can be effectively triggered; 9. It can be designed to be triggered by power-on, only need to short-circuit the trigger end to the ground, and it will be triggered by power-on, and the output will be restored to a high level after the time is up, waiting for the next one Falling edge triggers again. Chip features: 1. CMOS process low power consumption, lead-free environmental protection. 2. Output low level can be pushed directly LED(please add current limiting resistance), output high level can be pushed transistor (please add current limiting resistance). 3. The resistance can be used to adjust the timing time, with 8*N(N=0.1.2.3) times timing selection, the time can be adjusted from 2s-1000h. 4. Select the trigger timing and power-on timing for the trigger terminal grounding. 5. The standby output high level, the falling edge is triggered, the output low level after triggering, and the high level is restored after the delay is over Specifications: Material: Other Packaging: 10Pcs Size: As picture Note: Due to manual measurement, please allow an error of 1-3mm. Please ensure that you do not mind before bidding. Due to the differences between different monitors, the images may not reflect the actual color of the item. Please refer to the actual image received. Thank you very much.