2011年12月26日 星期一

The fail diy diary -3


Estimate coil ability of generate power.


Buy a wood plate and find a position to set up turntable rack.



Turntable rack inner picture.



Finish  Turntable rack setup.


Setup magnetic plate bottom layer.



Setup magnetic plate Top layer and estimate inner coil dimension.

Check have any object interference.

2011年12月12日 星期一

Wind/Solar power BMS controller Rev 2.0


Wind power/Solar power BMS controller with MPPT function.
Build-in Lead Acid battery charger and 12V/24V battery voltage auto-detect.
Build-in KW/h meter readout feature.
Also could read out  battery voltage,current,temperature,SOC,output current.
Through Built-in PC serial interface could monitor BMS controller status.


Real wind power generator testing platform test BMS controller.

Verify strong wind BMS controller safety operational capability.

2011年12月3日 星期六

The fail diy diary -2


Prepare two plastic turntable ,copper roller and drill holes
 for mount magnets installation on bottom side.


Top side insert magnets and setup magnetic pole.


Buy a cooking pot and modify it for suitable assembly turntable later.


Modify pot to be a magnet mount rack. 12 pcs alnico magnets will on this rack.


The magnet rack drill a big circle for embed a plastic turntable.



Embed together to find screw hole distance.


Finish assembly.



Try turntable rolling on magnetic floating platform and estimate distance of float.

2011年11月29日 星期二

The fail diy diary -1


Wood-make wire wound rack.


Screw fix wire wound rack.


Wire wound coil.



Check coils net list.

2011年8月15日 星期一

Wind/Solar power BMS system





Wind/Solar power BMS system



Top View.



Wind/Solar  power generation.




System installation

2011年7月6日 星期三

Li-ion BMS and Wind/Solar power BMS system



Li-ion BMS module Front View.
Each module 24V/10A max. power output.


Li-ion BMS module rear View.
Each battery module could read out  voltage,current,temperature,SOC,output current.
Charger build-in and have charge balance function.

Wind/Solar power BMS system
Wind power/Solar power BMS controller with MPPT function.
Build-in Lead Acid battery charger 12v/24V.
Build-in KW/h meter.
Also could read out  battery voltage,current,temperature,SOC,output current.

With PC utility could monitor BMS status.

2011年5月6日 星期五

ToyX project EQ Linearizer study ....Add Output transformer

Attach modify schematic drawing.
Fix impedance for better audio matching.

Modify R channel wire connection and add OTP.


Modify L channel wire connection and add OTP.



First time just modify one channel and after A-B test decide to replace two channel together.
響應較佳 ,音像刻化, 音場,音色線條深刻都有更進一步, 自然.

走過咖啡店早年歲月

咖啡店從無到有... 從有到無... 歲月的流逝 ,剩下的祇有記憶.

從無到有--- 舊店設立.
從有到無--- 拔營....牧咖啡的咖啡人.....移址, 啡客...........的遷徙.

咖啡店=咖啡+音樂

咖啡=日式咖啡+美式咖啡
日式咖啡=日式單品+日式花式咖啡
美式咖啡=美式單品+美式花式咖啡
.........."請不要找茶".

音樂=古典音樂+真空管