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Compact Size

High quality

Low cost

high-quality adhesive

Masking for corrosion-free

2400-2500 MHz 3dBi 3G/4G LTE PCB Antenna

Wide Supply Range: 2.0v To 5.5v

Low Current Consumption

Continuous Mode: Only 150µa Single-shot

Auto Shut-down

Programmable Data Rate: 8SPS to 860SPS

It has Internal low-drift voltage reference

ADS1115 16-Bit I2C ADC 4-Channel Programmable Gain Amplifier Module

Dual channel stereo, high output power (3 w + 3 w power @ 5V and 4 ohms load)..

Double panel wiring solves crosstalk.

Super mini design allows it to be easily placed in a variety of digital products.

3W Output at 10% THD with a 4ΩLoad and 5V Power Supply.

Filterless, Low Quiescent Current and Low EMI and Low Noise.

Short Circuit Protection and Thermal Shutdown

5V Two-channel Stereo Mini Class-D 3W+3W Audio Amplifier

On board TDA2030A Audio amplifier Board

Mono channel 18W Power amplifier circuit design

On board horn socket

On board 10 k adjustable resistance, can adjust the volume of the amplification

On board power indicator light

Chip has lead to the main pin, can directly input audio signal

Working voltage:6-12V

TDA2030A Audio Power Amplifier Module

11.1V 10A Lithium Battery Charging And Protection Module

Max Charge Current: 10A

Max Discharge Current: 6A

Charging Voltage: 16V to 18V

Overcharge Protection

Over Discharge Protection

Short Circuit Protection

3S 10A 11.1V Lithium Ion Battery Charging And Protection Module – BMS

3S 11.1V 12.6V 20A 18650 lithium battery protection board (comes with recovery function-AUTO Recovery).

Application: Nominal voltage of 3.6V, 3.7V lithium battery (including 18650.26650, a polymer lithium battery).

Continuous discharge current (upper limit): 20A (if the cooling environment is not good, please reduce the load current use).

Continuous charge current (upper limit): 20A.

Suitable for the drills with starting current below 80A, power below 135W

20A 18650 Lithium Battery Protection Board 11.1V 12V 12.6V

Over-Discharge Detection Voltage: 2.3-3.0V0.05V.

Maximum Working Current: 3A.

Transient Current: 5A.

Operating Temperature : -40-50C.

Internal Resistance: Less than 45m .

B+ B-: The interface of battery core.

P+ P-: The connector of the battery board.

MB: The connection point between the batteries.

2S 3A Li-ion Lithium Battery 7.4V 8.4V 18650 Charger Protection Board Module

4-level LED lamp display power, not working state intelligent automatic shutdown;

The built-in lithium battery protection IC, over-current, overpressure, under-voltage protection;

Dual USB output ports.

Input requirements: 5V constant voltage power supply can do charge input power, the most matching charger for 5V 1A above

Compatible Batteries: 18650 batteries, cell phone batteries, flat-panel batteries, MP3 batteries, etc. 3.7v-4.2V polymer Lithium battery.

Dual Micro USB 3.7v to 5V 2A Power Bank DIY Charger

Charging voltage: 3.7V

Overcharge Detection Voltage: 4.25 ± 0.05V

Overcharge release voltage: 4.23 ± 0.05V

Over discharge detection voltage: 2.45 ± 0.1V

Upper Limit Continuous Current: 5A

1S 3A BMS BATTERY MANAGEMENT SYSTEM LITHIUM CHARGER 18650 PROTECTION MODULE

BAT Discharging Stop Voltage:2.9V

Discharging Efficiency:85%(input 3.7V output 5V/1A)

Charging and discharging indication

Internally installed charging and discharging power MOS

Preset 4.2V charging voltage, precision ±1%

Max 8uA standby current

Integration charging management and discharging management

Intelligent temperature control and overtemperature protection

Integration output overvoltage protection, short circuit protection, overload protection

5V Step-Up Power Module Lithium Battery Charging Protection Board USB For DIY Charger

he smallest 802.11b/g/n Wi-Fi SOC module

Up to 160MHz clock speed

Built-in 10 bit high precision ADC

Supports UART/GPIO/IIC/PWM/ADC