Ultrasonic range finder design DIY font b electronic b font course production STC89C51 52
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Ultrasonic range finder design DIY font b electronic b font course production STC89C51 52

Ultrasonic range finder design DIY electronic course production STC89C51/52

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Price:  US $9.80 / piece
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DIY parts: In the form of parts, you need to weld by yourself finished product: Welding will be completed before the shipment, you do not need to solder.

MCU + minimum system + digital tube display module + digital tube driver module + ultrasonic ranging module + button module
1. Ultrasonic module ranging, measuring range: 0.02m-6.5m;
2. The four-in-one digital tube displays the measured distance in real time.
3. The characteristics of this design: wide measurement range, stable, easy to operate, can be used as a reversing radar for automobiles.
parameter:
1. Use voltage: DC5V
2. Quiescent current: less than 2mA
3. Level output: high 5V
4. Level output: bottom 0V
5. Sensing angle: no more than 15 degrees
6. Detection distance range: 2cm to 400cm (including 10~400cm 5~350cm, etc.)
How the module works:
1. Use IO trigger ranging to give a high level signal of at least 10us;
2. The module automatically sends 8 40khz square waves to automatically detect whether there is a signal return;
3. There is a signal return, a high level is output through the IO, and the high level duration is the time from the transmission to the return of the ultrasonic wave.
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Shipping Company Shipping Cost Estimated Delivery Time
DHL 3 - 7 days
UPS Expedited 3 - 7 days
EMS 5 - 14 days
Post Air Mail Free Shipping 15 - 45 days
Return Policy If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.

N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
Seller Service On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).

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Price:  US $9.80 / piece
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