Viewtek KS0087 Arduino Kit for DYI Electronic Scale up to 5 kg With Uno R3 Board Booklet with Assembly and Schaltplänen Codes, Video and Tutorial
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Viewtek KS0087 Arduino Kit for DYI Electronic Scale up to 5 kg With Uno R3 Board Booklet with Assembly and Schaltplänen Codes, Video and Tutorial

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Introduction

Electronic scale is commonly seen in daily life, with function of weighting. Professional scales on market have more functions and its precision is higher. Is there any possibility for enthusiasts to DIY their own electronic scale with what they have learned? Absolutely you can! It is easy to make an open source electronic scale. You just need a weighting module, an AD chip (hx711) specialized in weighting, and Arduino with corresponding library. Everything becomes so easy!

 

Principle

Electronic scale weigh force according to slight deformation causing by pressing metal. It uses the most commonly used strain gauge to measure deformation. In a typical application, utilize the strain gauge adhered on face of this sensor, to measure the force bore by the sensor. 
HX711 is a chip of 24 bit A\D converter, designed for high precision weighing sensor. Compared with other same-type chips, this chip features high integration, quick response and strong anti-interference, integrated external circuit needed by other chips including stabilized voltage supply and on-chip clock oscillator. It decreases cost of complete machine of the scale, and in the same time improve its performance and reliability. The interface and programs of this chip and MCU chip are very simple. All control signals are driven by pins, without programming register of inner chip. Input and select switch to choose arbitrarily channel A or B, connecting it to a low-noise programmable amplifier. The gain in channel A is 128 or 64 bit, and its corresponding amplitude of different input signals in full loaded is respectively ±20mV or ±40mV. The gain in channel B is fixed 32, used to detect system parameters. Stabilized voltage supply offered by chip can directly supply power for external sensor and A\D converter, there no need for additional analog power on main board. Clock oscillator doesn't need any external device. Automatic reset simplifies initialization when opening up.

Parameters

1. Channel A or B can choose different input.
2. The gain is 64 or 128 in the low-noise programmable amplifier.
3. Stabilized voltage supply offered by chip can directly supply power for external sensor and A\D converter.
4. Clock oscillator doesn't need any external device. If necessary, it can use external crystal oscillator or clock.
5. Automatic reset function
6. All control signals are driven by pins, without programming register of inner chip.
7. Alternative 10Hz or 80Hz of output data rate

Shipping list 
 

1. keyestudio UNO Board*1

2. I2C 1602 LCD*1

3.keyestudio Digital Push Button*1

4. keyestudio HX711 Weighing Module*1

5. 5KG Rheostat Sensor*1

6. Tabula BoardUpper Board)*1

7. Tabula BoardBottom Board)*1

8. keyestudio R=120mm Bearing Acrylic Board *1

9. keyestudio 15*11*4 Acrylic Board 10. 4mm Spacer  *1

11. 50g Weight *1

12. 100g Weight Self-adhesion 3M Crashproof Transparent Colloidal Particle 10*5(4 Granules*1

13. M3*6MM Round Head Screw *23

14. M3 Nickeling Nut *22

15. M4*10MM Flat Head Screw *2

16. Hexagonal Copper Fistular M3*10MM *8

17. Hexagonal Copper Fistular M3*40MM *3

18. Female to Female Dupont Line15CM *20

19. USB Cable *1

20. 18650 Battery Case *1

Introduction

Electronic scale is commonly seen in daily life, with function of weighting. Professional scales on market have more functions and its precision is higher. Is there any possibility for enthusiasts to DIY their own electronic scale with what they have learned? Absolutely you can! It is easy to make an open source electronic scale. You just need a weighting module, an AD chip (hx711) specialized in weighting, and Arduino with corresponding library. Everything becomes so easy!

 

Principle

Electronic scale weigh force according to slight deformation causing by pressing metal. It uses the most commonly used strain gauge to measure deformation. In a typical application, utilize the strain gauge adhered on face of this sensor, to measure the force bore by the sensor. 
HX711 is a chip of 24 bit A\D converter, designed for high precision weighing sensor. Compared with other same-type chips, this chip features high integration, quick response and strong anti-interference, integrated external circuit needed by other chips including stabilized voltage supply and on-chip clock oscillator. It decreases cost of complete machine of the scale, and in the same time improve its performance and reliability. The interface and programs of this chip and MCU chip are very simple. All control signals are driven by pins, without programming register of inner chip. Input and select switch to choose arbitrarily channel A or B, connecting it to a low-noise programmable amplifier. The gain in channel A is 128 or 64 bit, and its corresponding amplitude of different input signals in full loaded is respectively ±20mV or ±40mV. The gain in channel B is fixed 32, used to detect system parameters. Stabilized voltage supply offered by chip can directly supply power for external sensor and A\D converter, there no need for additional analog power on main board. Clock oscillator doesn't need any external device. Automatic reset simplifies initialization when opening up.

Parameters

1. Channel A or B can choose different input.
2. The gain is 64 or 128 in the low-noise programmable amplifier.
3. Stabilized voltage supply offered by chip can directly supply power for external sensor and A\D converter.
4. Clock oscillator doesn't need any external device. If necessary, it can use external crystal oscillator or clock.
5. Automatic reset function
6. All control signals are driven by pins, without programming register of inner chip.
7. Alternative 10Hz or 80Hz of output data rate

Shipping list   

1. keyestudio UNO Board*1

2. I2C 1602 LCD*1

3.keyestudio Digital Push Button*1

4. keyestudio HX711 Weighing Module*1

5. 5KG Rheostat Sensor*1

6. Tabula BoardUpper Board)*1

7. Tabula BoardBottom Board)*1

8. keyestudio R=120mm Bearing Acrylic Board *1

9. keyestudio 15*11*4 Acrylic Board 10. 4mm Spacer  *1

11. 50g Weight *1

12. 100g Weight Self-adhesion 3M Crashproof Transparent Colloidal Particle 10*5(4 Granules*1

13. M3*6MM Round Head Screw *23

14. M3 Nickeling Nut *22

15. M4*10MM Flat Head Screw *2

16. Hexagonal Copper Fistular M3*10MM *8

17. Hexagonal Copper Fistular M3*40MM *3

18. Female to Female Dupont Line15CM *20

19. USB Cable *1

20. 18650 Battery Case *1

Shipping

Locally we ship via courier services. For orders for overseas  please contact our sales department before placing an order for an offer on shipping cost.

 

Returns and Refunds

We have a 7-day return policy, which means you have 7 days after receiving your item to request a return.

To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.

To start a return, you can contact us at sales@intercyprus.com. If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

You can always contact us for any return question at sales@intercyprus.com.


Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.


Exceptions / non-returnable items
Certain types of items cannot be returned, like perishable goods (such as food, flowers, or plants), custom products (such as special orders or personalized items), and personal care goods (such as beauty products). We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item.

Unfortunately, we cannot accept returns on sale items or gift cards.


Exchanges
The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.


Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.

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