1-Slot 18650 Battery Holder Case
₵10.00 Original price was: ₵10.00.₵8.00Current price is: ₵8.00.
1-slot 18650 battery holder case for powering small DIY electronics, Arduino, sensor, LED, and portable battery-powered projects.
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The 1-slot 18650 battery holder case is designed to hold one 18650 rechargeable lithium battery for powering small electronic circuits and DIY projects. It provides a simple way to connect an 18650 battery to your project without soldering directly onto the battery terminals.
This battery holder is suitable for Arduino projects, sensor circuits, LED projects, portable electronics, school practicals, robotics prototypes, and low-power embedded systems. It keeps the battery firmly in place and allows easy battery replacement during testing or project development.
For rechargeable lithium battery projects, always use the correct charging module and protection circuit where required.
Key Features:
- Holds 1 piece of 18650 rechargeable battery
- Suitable for 3.7V DIY electronics projects
- Easy battery insertion and replacement
- Useful for Arduino, sensors, LED, and small electronic circuits
- Helps avoid direct soldering on battery terminals
- Compact and lightweight design
Applications:
- Arduino and sensor projects
- Portable DIY electronics
- LED circuits
- School and STEM practicals
- Robotics prototypes
- Mini power supply projects
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Female to Female jumper wires 40pcs-20cm DuPont cable
Connect sensors directly to your board. These wires have female connectors on both ends, making them perfect for connecting pin headers to other pin headers. Essential for Raspberry Pi GPIOs and sensor modules.
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Quantity: 40 Wires (Peelable Ribbon)
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Length: 20cm
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Connectors: Female to Female
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Best For: Raspberry Pi, HC-SR04 Sensors, and Bluetooth Modules.
MAX30102 Pulse Oximeter & Heart Rate Sensor Module (SpO2) – Arduino Compatible
The MAX30102 is a high-precision integrated pulse oximetry (SpO2) and heart-rate monitor biosensor module, perfect for DIY health tracking and wearable IoT devices.
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Sensor: MAX30102 (Upgraded from the older MAX30100)
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Measurements: Heart Rate (BPM) & Blood Oxygen Saturation (SpO2)
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Interface: I2C (Standard protocol)
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Operating Voltage: 3.3V – 5V
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Current: Ultra-low power consumption (ideal for battery wearables)
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Application: Fitness trackers, medical monitoring projects, STEM research

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