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Reference: RBD-1354
Length: 8 inches/20 CM (Long) Material: Copper Plated Pin Spacing: 2.54mm.
Reference: RBD-0351
Contactless transmission of data and supply energy (no battery needed) Operating distance: Up to 100mm (depending on antenna geometry) RoboticsBD Operating frequency: 13.56MHz Data transfer: 106 kbit/s Data integrity: 16 Bit CRC, parity, bit coding bit counting Anticollision Typical ticketing transaction: <100 ms ( including backup management)...
Reference: 0245
Choose your desire Resistor value from below:
Reference: 0031
3 Types Available (Please select from option) 1. Male to Male 2. Male to Female 3. Female-Female
Reference: RBD-0768
Size: 5mm Color: RED Head Shape: Round Lens Appearance: Transparent
Reference: 1353
Length: 12.5 inches/30 CM (Long) Material: Copper Plated Pin Spacing: 2.54mm.
Reference: RBD-0761
Breadboard friendly Mounting Style: Through Hole Mounting Direction: Vertical
The KA2284 Power Level Indicator Module is a logarithmic voltage level indicator that provides a visual representation of static or dynamic voltage levels using 5-segment LED indicators. This module is versatile, supporting both AC and DC voltage monitoring, making it ideal for applications such as battery level monitoring, audio VU meters, and power supply indicators.
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The KA2284 Power Level Indicator Module is a logarithmic voltage level indicator that provides a visual representation of static or dynamic voltage levels using 5-segment LED indicators. This module is versatile, supporting both AC and DC voltage monitoring, making it ideal for applications such as battery level monitoring, audio VU meters, and power supply indicators.
Equipped with the KA2284 LED Dot Level Meter Driver IC, this module features a built-in rectifying amplifier and a single-turn potentiometer to adjust the voltage range for display. It includes a jumper setting to switch between AC and DC voltage monitoring, adding flexibility for different applications.
✔ Uses KA2284 5-Dot LED Level Meter Driver with built-in rectifying amplifier
✔ Adjustable voltage range with an LED display
✔ Supports both AC and DC voltage monitoring
✔ 3.5V to 16V wide operating voltage range
✔ 5-segment LED Indicator (3 green, 1 yellow, 1 red) for visual representation of voltage levels
✔ Logarithmic scale for accurate voltage level representation
✔ Compact and easy to integrate into circuits
| Parameter | Specification |
|---|---|
| IC Chip | KA2284 |
| Operating Voltage | 3.5V – 16V |
| Input Type | AC / DC (Jumper Selectable) |
| Number of LED Indicators | 5 (3 Green, 1 Yellow, 1 Red) |
| Display Type | Logarithmic LED Level Indicator |
| Potentiometer | Single-turn for range adjustment |
| Jumper Setting | ON = DC Mode, OFF = AC Mode |
| Connections | VCC, IN (Input Signal), GND |
| Module Dimensions | Compact PCB Layout |
Power the Module:
Set the Measurement Mode:
Connect the Voltage Source:
Adjust Sensitivity:
Read Voltage Levels:
✔ Battery Level Monitoring – Display the voltage level of DC power sources such as batteries.
✔ Audio VU Meter – Monitor audio signal strength for stereo systems and amplifiers.
✔ Power Supply Indicator – Measure voltage levels of power supply outputs.
✔ Industrial Equipment Monitoring – Used for voltage status indication in industrial circuits.
✔ DIY Electronics & Robotics – Provides visual voltage feedback in embedded systems.
✅ Accurate & Reliable – Uses a logarithmic LED display for precise voltage level indication.
✅ Versatile Usage – Works with both AC and DC voltage monitoring.
✅ Adjustable Sensitivity – Potentiometer allows customized voltage range settings.
✅ Easy-to-Use – Simple connections with VCC, GND, and IN pins.
✅ Compact & Durable – Small form factor for easy integration into projects.
The latest price of KA2284 Power Level Indicator Module in Bangladesh is BDT 250 You can buy the KA2284 Power Level Indicator Module at best price from our RoboticsBD or visit RoboticsBD Office.
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Reference: RBD-0282
Specifications: - 3.3V and 5V dual power output- 3.3V and 5V IO compatible- USB2.0 protocol- BitBang mode ready- Easily connected to PC via mini USB cable- Support XBee-setting with software X-CTU
Reference: RBD-3141
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Reference: RBD-1953
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Reference: RBD-2512
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Reference: RBD-1067
Length: 1.0M Diameter: 3 mm. Color: Black Material: PE/PVC/ABS Micro-USB
Reference: RBD-1560
Support charging and discharging at the same time Large current Small size High efficiency Support short circuit protection
Reference: RBD-2787
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Reference: RBD-3274
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Reference: RBD-0406
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Reference: RBD-1871
5V single power supply. Wave frequency adjustable 0-400Hz adjustable frequency pure sine wave. Unipolar and bipolar modulation mode. External 12MHz crystal oscillator. PWM carrier frequency 23.4KHz. Voltage, current, temperature feedback real-time processing. Overvoltage, Undervoltage, overcurrent, overheating protection function. Pin set soft-start mode...
Reference: RBD-1309
Input Voltage (V): 100 ~ 280 VAC @50 ~ 60Hz. Input current (mA): 100. Output Power: 5V 3A. Load regulation (%): ±5. Input Plug: 2-Pin EU type. Output Plug: Micro USB Plug. Compatible with: Raspberry Pi B+, 2, 2B, 2B+,3 ,3B+, Zero, Zero W. It has a switch so you can easily power off the device without having to unplug it right from the socket.
Reference: RBD-2457
Regulates 4.5 – 40V input to a 1.25 – 37V output @ up to 1.5A
Reference: RBD-2173
High current 3A charging board for Type-C USB input Adjustable charging current through resistance adjustment Optional cut-off voltage of 4.2V or 4.35V Efficient working effects with a polymer ternary lithium battery Note: No power indicator or battery protection function included
Reference: RBD-0963
Current and voltage display in turn, easy and comfortable to use. Small and portable, do not need other power supply. Measuring range: DC 3V – 9V / 0 – 3A (up to 5A ) Portable Device Interface: USB2.0, USB3.0 Product Weight: 0.025 kg Two output ports
Reference: RBD-1559
Support charging and discharging at the same time Large current Small size High efficiency Support short circuit protection
Reference: RBD-1690
ON/OFF switch button on the power adapter. Very convenient for use. 5V 3A standard power supply for Raspberry Pi 4 Model B. There is CE certification for the power adapter. Best Adapter for Raspberry Pi 4
Reference: RBD-3290
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Reference: RBD-2108
Multiple Outputs: 5V+9V+12V Constant DC output, long backup time up to 6 hours Intelligent circuit design with over-charging, over-discharging and short circuit protections Suitable for 95% DC/USB digital products, such as: modem, router, CCTV camera, mobile phone etc.
Reference: RBD-0494
Input Voltage (V): 100 ~ 280 VAC @50 ~ 60Hz. Input current (mA): 100. Output Power: 12V 2A. Input Plug: 2-Pin USA type. Output Plug: 5.5mm DC plug. RoboticsBD Model: STD-120200
Reference: RBD-0388
Input voltage : 4.5V ~ 5.5V. Input Interface: Micro USB port. Charging method: linear charge. A full charge voltage: 4.2V. RoboticsBD Power: 4.2 w. Charging accuracy: 1.5%. Operating Temperature: -10 to +85ºC Charging indicator: Blue LED charging, Red LED full Check out New Product TP4056 Lithium Battery Charger Module With Protection Dual Functions
Reference: RBD-2370
Non-isolated buck-boost CC/CV power supply for solar and wind energy charging. Versatile module for 4V, 6V, 12V, 14V, and 24V battery charging. Ideal for solar panel and wind generator voltage regulation and car power supply. Supports constant current up to 2A and maximum output current of 4A. High-power LED driver capability for DIY energy solutions....
Reference: RBD-3287
The XL6009 DC-DC Buck Boost Power Module is a high-efficiency voltage regulator that can step up or step down the input voltage while maintaining a constant and adjustable output voltage. This makes it ideal for applications where a stable power supply is required, despite fluctuating input voltages.
Reference: RBD-2356
Seamless UPS Functionality: Automatically switches between external power and battery power during outages. High-Efficiency Boost Circuit: Delivers 12V output with a peak power of 20W and efficiency up to 96%. Integrated Lithium Battery Protection: Guards against overcharge, overdischarge, overtemperature, and overcurrent. Type-C Interface: Handles up to...
Reference: RBD-0919
Dimension: 25 x 19 x 10 (LxWxH)mm. Input interface: micro USB. Current Protection: Yes Charging mode: Linear charging. Current: 1A adjustable. Charge precision: 1.5%. Input voltage: 4.5V-5.5V. Full charge voltage: 4.2V.
Reference: RBD-3102
The USB Type-C 2A Lithium Battery Fast Charge Module is a versatile and efficient charging and step-up module designed for 3.7V lithium-ion batteries, such as 18650 or polymer batteries. This charger board features a DC-DC step-up boost capability, adjustable output voltage, and comprehensive protection features, making it suitable for various DIY and...
Reference: RBD-1769
Input Voltage: 4.5V – 28V Output Voltage: 0.8V – 20V Output Voltage Adjustment: On-board potentiometer Output Current: 1.8A (typical), 3.0A (max). Ceramic Capacitor Stable Internal Soft-Start Internally Set Current Limit without a Current Sensing Resistor
Reference: RBD-1414
Input Voltage (V): 100 ~ 270 VAC @50 ~ 60Hz. Input current (mA): 100. Output Power: 5V 4A. Load regulation (%): ±5. Input Plug: 2-Pin US type. Output Plug: DC Jack 5.5mm.
Reference: RBD-1505
Input Voltage: 230V AC Output Voltage: 12V or 0V Output Current: 0.6 Amp Soft Iron Core. 0.6 Amp Current Drain.
Reference: RBD-2849
ALOEU Parameter setting: 1. Press and hold the set key to enter the parameter setting interface; 2. After entering the parameter setting interface, short press the set key to switch the set parameters; 3. After the parameters are , they can be set by up / down key. Short press and long press are supported; 4. If you want to set other parameters, repeat...
Reference: RBD-2447
Ultra small module converts 4.5 – 24V input down to a 0.8 – 22V output @ up to 2A.
Reference: RBD-2728
Temperature controller module for both heating and cooling applications.
Reference: RBD-2728
Temperature controller module for both heating and cooling applications.
The KA2284 Power Level Indicator Module is a logarithmic voltage level indicator that provides a visual representation of static or dynamic voltage levels using 5-segment LED indicators. This module is versatile, supporting both AC and DC voltage monitoring, making it ideal for applications such as battery level monitoring, audio VU meters, and power supply indicators.
