2 Bit Display Pulse Counter Electronic Diy Parts

US $3.80

shenzhen GD, China
Jan 29th

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2 Bit Display Pulse Counter Electronic DIY Parts Main parameters: Supply voltage: DC-3V--5V Count range: 0--99s Digital clock frequency up to: 30HZ HQS1312 is a 2-bit decimal counter and decoder.when the detected pulse rising edge, the counter value plus 1, count up to 99 and then the buzzer FMQ starting alarms at the same time, the timer now counts up to 99 and the buzzer is still in alarm mod, ten it repeats . Whenever AN1 zero key is pressed, HQS1312 internal count is zero. When powered on and press the zero key, the buzzer beep a sound used to signal is switched on or has already pressed the zero key. R1, Q1 units digital power-driven, R2, Q2, composed of ten digital control power driver. Digital display uses four 2-seven segment digital tube anode. Schematic Diagram: ********************* Note: The package include the DIY Parts. Not the Finished Module. Need soldering by yourself. 100% Brand New 1PCS X 2 Bit Display Pulse Counter Electronic DIY Parts Circuit diagram Worldwide Shipping.(Except some countries and APO/FPO). Orders will be shipped within 1-2 business days after the payment verification. SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays.Transit times may vary,particularly during the holiday season. If you have not received your shipment within 30 days from payment,please contact us.We will track the shipment and get back to you as soon as possible with a reply.Our goal is customer satisfaction! Items will be marked as " Gift " in low value. Delivery time (Business days) Default shipping by China Post/HK Post Air Mail Need faster shipping way, please contact with us before you buy it. Shipping Way Post Air Mail HK Post EMS DHL Fedex UPS Delivery Time 12-35 12-35 5-10 4-8 3-6 4-8 You have 7 days to contact us and 30 days to return it from the date it was received. Both Replacement and Money Return are accept. Return shipping fee afford with buyer. 12 months Manufacturer's limited warranty for defective items(excluding Man-made damage).Accessories come with a 3-month warranty. Defective item MUST BE reported and returned within the warranty period. We maintain high standards of excellence and strive for 100% customer satisfaction. Feedback is very important,We hope you can contact us immediately before you give us neutral or negative feedback. If you have any questions, our Customer Service staffs welcome you to email or call us. We strive to answer all questions and resolve any problems as quickly as possible. Powered by eBay Turbo Lister The free listing tool. List your items fast and easy and manage your active items. Notice: All the package send to USA with tracking number. The Other Country, you can choose Economy Int'l shipping(Without tracking number) or Standard Int'l shipping(with tracking number).