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Arduino Uno R3

Arduino UNO in Bangladesh The Arduino Uno is a microcontroller board based on the ATmega328 (datasheet). It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz ceramic resonator, a USB connection, a power jack, an ICSP header, and a reset button. It contains everything needed to support the microcontroller.

Price BDT 399
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TP4056 Lithium Battery Charger Module With Protection Dual Functions
  • TP4056 Lithium Battery Charger Module With Protection Dual Functions

TP4056 Lithium Battery Charger Module With Protection Dual Functions

Micro USB 5V 1A 18650 TP4056 Lithium Battery Charger Module Charging Board With Protection Dual Functions

BDT 49
rating Read the 4 reviews
Average rating: 4/5 - Number of reviews: 4
Quantity
In-Stock

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Description
  • Charge module- Linear charging.
  • Current- 1A adjustable.
  • Charge precision- 1.5%.
  • Input voltage- 4.5V-5.5V.
  • Full charge voltage- 4.2V.
  • Led indicator- red is charging Green is full charged.
  • Input interface- micro USB.
  • Work temperature- -10° to +85°.
  • Inversed polarity- NO.
  • Size- small to 25X19X10mm.

NOTE:

1. Ampere meter can only be connected to 5v input end of the module.
2. It is better that the charging current is 37% of the battery capacity. If you charge to the battery of 1000mAH, current of 400 is enough.
3. The connection wire should not be too thick.
4. Make sure the connect point is good.
5. If the input voltage is too high, like 5.2v, the current will be less than 1000mA, it is normal. It is protection function, auto-substract the charging current to avoid burn damage to chip.
6. NO Reveral polarity.

Product Details
38 Items

Click here to leave a review

Great product
rating
06/08/2019
Tahmid ahmed
One of the battery charging board os not working but great product.
good
rating
04/08/2019
iran
Good not bad
Good
rating
10/07/2019
Hasnine
Very good
Average quality.
rating
18/06/2019
Rifat Haque Amit
Feels very lightweight. Overall average.
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