Recently [mit41301] wondered about increasing the data capacity of QR codes, and was able to successfully triple the number of bits using color. He chose the new rectangular micro QR code (rMQR) ...

Abstract: Wheelchairs are essential for people with physical disabilities, the elderly, and those who are temporarily incapacitated due to illness or accidents. However, traditional wheelchairs ...

ASSA ABLOY Standard Reader & BLE – Pigtail Wiegand Output Bluetooth Low Energy capability Wiegand 37-bit output and pigtail lead matching the colours on the Reader Module enable quick and simple ...