Pms132b single chip microcomputer TWS digital tube Bluetooth charging chamber program development

PMS132B Single chip microcomputer TWS Development of digital tube Bluetooth charging chamber scheme

TWS Development of charging box scheme for digital tube headphones ;
 Direct technical support from the original factory ;
 Stable supply ;
 existing 20+ A ready-made solution ;
 Program advantages ： Ready made solutions , Sufficient chips , You can use the sketchpad directly ,
 It can also be customized according to the needs of customers .

TWS Digital tube solution provider ;
 There is a good supply of goods ;
 There is no price increase for direct supply from the original factory ;
 A lot of experience in developing charging silos ;
a.18 General purpose IO 
b.18 road ADC 12 Bit accuracy 
c.4 road PWM 
d.1 road UART 
e.1 road IIC 
f.1 individual 8 Bit timer   
g.2 individual 16 Bit timer  
i.4K-FLASH 256BYTE-RAM 
j. Support any IO Wake up by mouth   The timer wakes up   watchdog 
k. Power consumption during sleep is as low as 3uA  Power consumption during operation 5mA 
 Resources used ：
1.ADC Measure the battery voltage ;
2.ADC measurement NTC voltage , Realization OTP function ;
3.ADC Measure the negative terminal voltage of headphones , Realization OCP function ;
4. drive LED Display battery status ;
5. Use PWM drive LED, Show breathing effect ;
6. measurement USB voltage , Realization OVP function ;
7. Send pulses to interact with headphones , Turn off the headset ;
8. Send serial port data to headphones , Realize pop-up window 、 pairing 、 To turn it off 、 Charging chamber power display function ;
9. drive 188 Nixie tube , Displays the battery level ;