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max1_ma

Pan MA

@max1_ma

Software and hardware development

China
Chinese, English
About me
I live in Shenzhen, China. I have more than 15 years working experience. Good at hardware product development. 1.Developed products include: power adapter; Environmental monitoring unit; LoRa gateways and sensors, etc. 2.Involves technologies include: RS232/485, USB2.0/3.0,100/1000M ethernet, DDR3/4/5, WIFI, BLE, LVDS,MIPI,PCIE,AI,DI,DO etc. 3.Involves tools include:Cadence,PADS,AD and JLCEDA to design Schematic and PCB. 4.I can also provide prototype production and testing verification. ... Read more

Skills

m
max1_ma
Pan MA
Offline • 
Average response time: 1 hour

See my services

Printed Circuit Boards (PCB)
I will stm32f1 f4 series schematic pcb and firmware design
From$330 / projectMore details
Printed Circuit Boards (PCB)
I will cat1 or lora rtu or gateway schematic pcb and firmware design
From$110 / projectMore details

Portfolio

Work experience

Hardware engineer

ZTE Corporation (Shenzhen) • Full-time

Jan 2010 - Aug 2014 • 4 yrs 7 mos

a.Development of solar MPPT module; b.Hardware development of single boards for communication site monitoring systems; c.Development of hybrid energy power supply systems for communication sites (mains power, generator, solar energy, wind energy storage, battery hybrid power supply system) d.Hardware development of single boards for communication site monitoring: Mainly completed the detection and control of environmental quantities such as system voltage inspection, current detection, temperature, humidity, smoke, water immersion, input and output dry contacts, etc., as well as the circuit design of external communication interfaces such as RS232, RS485, 100M Ethernet, USB2.0, and on-board communication interfaces such as CAN, IIC, SPI, etc.