JDY-25 JDY-25M 5.0 Master-slave Transparent Transmission UART 1.9-3.6V 80M Distance Module – OKY3375-13 – OKYSTAR

Product Model:

OKY3375-13

JDY-25 JDY-25M 5.0 Master-slave Transparent Transmission UART 1.9-3.6V 80M Distance Module

Product Description

100% Brand & High Quality

JDY-25M Networking Generally, You Only Need To Configure The Networking NETID And Short-Circuit Address, The Module Will Be Automatic, When The Networking Module Communicates With The APP, It Is Equivalent To Transparent Transmission, Which Greatly Facilitates The User To Develop App Compatible With The Old Product APP

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Product Details

Product Description

Description:

Working voltage: 1.9-3.6V
Working temperature: -40-85°C
3. Maximum transmit power: +4dbm
4. Communication distance: 80m
5. Compatible Version: BLE5.0
6. Antenna: PCB onboard antenna
7. Antenna gain: -3dbi
8. Receiving sensitivity: -96dbm
9. Weight:0.7g
10. Size: 20*15mm

Package Include:

1 xJDY-25 BLE MODULE

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Product Model: Solar Kit 004

Potato Clock Green Science Project Experiment Kit kids Lab Home School Kit

Product Description

100% Brand & High Quality

How It Works:
1.The metal strips and potato make a simple battery that creates electricity to operate to operate the clock. Each potato works as a device called a electrochemical cell. It converts the chemical energy stored in the metal strips intoelectrucal energy.Two potatoes are needed to make electricity strong enough to run the clock.
2.A cell works because of the chemical properties of the metals inside (in this case the copper and zinc).The different properties cause tiny particles charged with electricity .
(called ions) to move between the the two strips of metal. This flow is an electric current. The potato contains the particles that allow the current to flow,but it stops the metals touching.Electric current also flows along the wires between the zinc and copper strips and the clock. This current makes the clock work.
Put some soft drink into the pots provided.Insert the copper and zice plates into the pots, as shown in the diagram.
Taking care that the metal pates do not touch each other.The clock should now start to work.
You may experiment with different liquids like salt water,fruit juices. Or fruit like lemon, ,tomato etc.The fun is unlimited.
Cup Size: 5.5cm x 5.5cm x 6.8cm – 2.17inch x 2.17inch x 2.68inch.
Clock Size:6.7cm x 3.2cm x 1.2cm – 2.64inch x 1.26inch x 0.47inch.

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Product Details

Product Description

Description:

100% Brand & High Quality
How It Works:
1.The metal strips and potato make a simple battery that creates electricity to operate to operate the clock. Each potato works as a device called a electrochemical cell. It converts the chemical energy stored in the metal strips intoelectrucal energy.Two potatoes are needed to make electricity strong enough to run the clock.
2.A cell works because of the chemical properties of the metals inside (in this case the copper and zinc).The different properties cause tiny particles charged with electricity .
(called ions) to move between the the two strips of metal. This flow is an electric current. The potato contains the particles that allow the current to flow,but it stops the metals touching.Electric current also flows along the wires between the zinc and copper strips and the clock. This current makes the clock work.
Put some soft drink into the pots provided.Insert the copper and zice plates into the pots, as shown in the diagram.
Taking care that the metal pates do not touch each other.The clock should now start to work.
You may experiment with different liquids like salt water,fruit juices. Or fruit like lemon, ,tomato etc.The fun is unlimited.
Cup Size: 5.5cm x 5.5cm x 6.8cm – 2.17inch x 2.17inch x 2.68inch.
Clock Size:6.7cm x 3.2cm x 1.2cm – 2.64inch x 1.26inch x 0.47inch.

Package Include:

1 x Potato Clock Toy Set

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