Tuesday, April 7, 2020

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5pcs XH-M609 DC12-36V Voltage Protection Module Lithium Battery Undervoltage Low Power Disconnect Output Board
5pcs XH-M609 DC12-36V Voltage Protection Module Lithium Battery Undervoltage Low Power Disconnect Output Board5pcs XH-M609 DC12-36V Voltage Protection Module Lithium Battery Undervoltage Low Power Disconnect Output Board5pcs XH-M609 DC12-36V Voltage Protection Module Lithium Battery Undervoltage Low Power Disconnect Output Board



Parameter:

Product name: Battery over-discharge protection module
Product model: HCW-M635
Power supply voltage: DC12-36V
Output voltage: equal to the supply voltage
Control accuracy: 0.1V
Power consumption: <1.5W
Use: various storage batteries / lithium batteries
Net weight: 28g
Product size: 57 x 42 x 19mm

Set to stop below 12.5V and start above 14V:

Set the protection value: press "+ 一次 once to display the protection value, double-click" + 〃 ", the decimal point flashes, and then press" +,-"to change the value to 12.5. After no operation for 3 seconds, the module will automatically save and exit the setting mode.
Set the hysteresis value: press "-〃 once to display the hysteresis value, double-click" -〃, the decimal point will flash, and press "+,-" to change the value to 1.5. After no operation for 3 seconds, the module will automatically save and exit the setting mode.

Set to stop below 10V and start above 15.5V:

Set the protection value: press "+ 一次 once to display the protection value, double-click" + 〃 ", the decimal point flashes, and then press" +,-"to change the value to 12.5. After no operation for 3 seconds, the module will automatically save and exit the setting mode.
Set the hysteresis value: press "-〃 once to display the hysteresis value, double-click" -〃, the decimal point will flash, and press "+,-" to change the value to 1.5. After no operation for 3 seconds, the module will automatically save and exit the setting mode.

Reset:

When the power is off, press and hold both buttons at the same time, and then power on. At this time, "888" is displayed on the screen to indicate that the factory reset is successful.
Factory set protection value: 12V, return difference: 2V

Scope of application:

Suitable for all electric two-wheel tricycle batteries in the applicable voltage ;
Car battery and new energy electric vehicle battery discharge protection;
Over-discharge protection of various batteries;
Solar, wind and other power supply systems.

Instructions:

When the new battery is used for the first time, the rated voltage value is close to the actual value, and the stop discharge voltage can be judged. A reasonable discharge voltage value can be obtained according to the normal voltage calculation method of the battery.
When the old battery is used, the actual voltage value and the rated voltage value are quite different. You need to measure the termination voltage value in actual use yourself.
Slow charging is usually used for battery charging (in the case of fast charging, the voltage and current are relatively large, but the battery is easily damaged.) The slow charging voltage is 1.2 times the rated voltage, and the charging current is adjusted to about 2/10 of the rated capacity current of the battery. For example, the charging voltage of a 6V50Ah battery is about 7.2 volts, and the charging current is adjusted to 10A.
Reference formula: charging voltage = rated voltage X1.2, charging current = rated current X0.2

Package includes:

5 x Battery over-discharge protection module

5pcs XH-M609 DC12-36V Voltage Protection Module Lithium Battery Undervoltage Low Power Disconnect Output Board

5pcs XH-M609 DC12-36V Voltage Protection Module Lithium Battery Undervoltage Low Power Disconnect Output Board

























5pcs XH-M609 DC12-36V Voltage Protection Module Lithium Battery Undervoltage Low Power Disconnect Output BoardSee detail


Monday, April 6, 2020

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SSY Components + PCB Board + 2 Battery Boxes KT0837 FM Radio Kit Electronic DIY Production Kit Training Welding Parts
SSY Components + PCB Board + 2 Battery Boxes KT0837 FM Radio Kit Electronic DIY Production Kit Training Welding PartsSSY Components + PCB Board + 2 Battery Boxes KT0837 FM Radio Kit Electronic DIY Production Kit Training Welding PartsSSY Components + PCB Board + 2 Battery Boxes KT0837 FM Radio Kit Electronic DIY Production Kit Training Welding Parts



Description:

This circuit is tailor-made according to the characteristics of KT0837. The circuit selection and volume are controlled in both directions. In addition, the power supply is directly connected to the power supply terminal (pin 1) of the chip, and the switch on pin 10 is used to control the standby state. When in standby, the circuit consumes only a few microamperes and has a radio memory function. That is, when the IC works again, it will stop at the frequency it received last time. It shows that this circuit is not suitable for speaker playback, and is most suitable for headphones, because the headphone cable can be used as an antenna.

Specification:

Voltage:DC3V
Board size: 35mm x 53mm

Component name

Quantity

 

Component name

Quantity

 

Resistance 10K

1

At the touch of a button

4

Color ring inductor 1uH

2

Crystal 32.768K

1

Ceramic capacitor 20pF

1

3F07 Headphone Holder

1

Ceramic capacitor 101

1

switch

1

Ceramic capacitor 104

1

Battery box

1

Electrolytic capacitor 33uF

1

PCB board

1


Package includes:

1 x Training Welding Parts






SSY Components + PCB Board + 2 Battery Boxes KT0837 FM Radio Kit Electronic DIY Production Kit Training Welding PartsSee detail


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47 Amp Kit Portable Headphone Amplifier Hifi Amp Board DIY Kit Single Power Supply Version
47 Amp Kit Portable Headphone Amplifier Hifi Amp Board DIY Kit Single Power Supply Version47 Amp Kit Portable Headphone Amplifier Hifi Amp Board DIY Kit Single Power Supply Version47 Amp Kit Portable Headphone Amplifier Hifi Amp Board DIY Kit Single Power Supply Version



Specification:

Output voltage:  DC9V-24V 
The kit adopts FR-4 spray-painted high-quality PCB for easy soldering, new components, and high quality.
Good performance, simple circuit, small size, easy to use.
PCB board size: 80mm (length) x 40mm (width)

Package includes:

 1 x  Headphone Amplifier Hifi Amp Board DIY Kit 






47 Amp Kit Portable Headphone Amplifier Hifi Amp Board DIY Kit Single Power Supply VersionSee detail


Sunday, April 5, 2020

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Peacefair PZEM-019W-100A LCD DC Digital Power Meter DC0-100A 30KW Electric Vehicle Power Meter
Peacefair PZEM-019W-100A LCD DC Digital Power Meter DC0-100A 30KW Electric Vehicle Power MeterPeacefair PZEM-019W-100A LCD DC Digital Power Meter DC0-100A 30KW Electric Vehicle Power MeterPeacefair PZEM-019W-100A LCD DC Digital Power Meter DC0-100A 30KW Electric Vehicle Power Meter



Feature:

Brand: Peacefair
Model: PZEM-019W-100A

Direct power measuring range: DC8-300V, DC0-100A, 0.16-30000W
Separate power supply
(DC5-12V) measuring range: DC0-300V,DC0-100A, 0-30000W
Accuracy: ± 1%
Display format: <10W display such as 9.99W, <100W display such as 99.9W, <1000W display such as 999W, >=1000W display such as 3.00KW, <10000W display such as 9.99KW, >10000W display such as 30.0KW
Industrial-grade appearance
Round VA LCD screen
Backlight control
Reverse voltage protection
Strong current weak circuit board, strong anti-interference
Separate wiring terminals independently, the wiring is simple and does not interfere with each other.

Package included:

1 x DC0-100A 30KW Electric Vehicle Power Meter






















Peacefair PZEM-019W-100A LCD DC Digital Power Meter DC0-100A 30KW Electric Vehicle Power MeterBuy Now


,
Peacefair PZEM-024V Round LCD AC Digital Voltmeter AC30-500V AC Voltage Monitor
Peacefair PZEM-024V Round LCD AC Digital Voltmeter AC30-500V AC Voltage MonitorPeacefair PZEM-024V Round LCD AC Digital Voltmeter AC30-500V AC Voltage MonitorPeacefair PZEM-024V Round LCD AC Digital Voltmeter AC30-500V AC Voltage Monitor



Feature:

Brand: Peacefair
Model: PZEM-024V
Measuring range: AC30-500V
Accuracy: ± 1%
Display format: <100V display such as: 99.9V, >=100V display such as: 300V  
Industrial-grade appearance
Round VA LCD screen
Backlight control
Reverse voltage protection
Strong current weak circuit board, strong anti-interference

Package included:

1 x AC30-500V AC Voltage Monitor




















Peacefair PZEM-024V Round LCD AC Digital Voltmeter AC30-500V AC Voltage MonitorBuy Now


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