Inside a $10 phone

Inside a $10 phone

Last week I bought a cheap china phone as my primary phone went to service center for 3 days. It's this: http://icellmobiles.com/product_detail.php?&getID=133 I got the phone for Rs.500 (~US$8.4) including…
USB li-ion charger built by Jamie

USB li-ion charger built by Jamie

Jamie Navarro built a USB li-ion charger on breadboard. Now he is working to get it fine tuned to accurate voltage levels. He scored a free PCB for this. Wish…
Failed Prototype: VAmeter v3

Failed Prototype: VAmeter v3

Just a few days ago the PCBs for VAmeter v3 came in. VAmeter is a simple board that connects to your existing power supply and shows the volatge, current, etc.…