There are plenty of lovely e-readers out on the market that come with an nice big e-paper display. There aren’t nearly as many that come with two. [Martin den Hoed] developed the Diptyx ...

What do you look for in a travel keyboard? For me, it has to be split, though this condition most immediately demands a carrying solution of some kind. Wirelessness I can take or leave, so ...

& USB-connection with the SPI-Protocol, so you can read ROM and read / write to RAM. The new configured software and custom PCB is compatible with +5V (mostly USB) Arduino Nano or similar.

Abstract: An electrochemical zinc oxide (ZnO) pH sensor is proposed and prototyped using a flexible printed circuit board (FPCB). The device is resistant to acidic and alkaline solutions and exhibits ...

Abstract: This article presents a comparative experimental study of the transient dose rate effect (TDRE) between the system-in-package (SiP) SZ0501 and its prototype printed circuit board (PCB). The ...