X100 Raspberry Pi Expansion Board Adds VGA Output, RTC and More

Suptronics X100 is an expansion board that connects on top of the Raspberry Pi in order to add VGA output, RTC, four USB ports, a micro SD card slot, an RS232 DB9 connector, and an 8-channel servo port. Key features of X100 expansion board:   Input Voltage – 6V to 23V converted to 5V, 3A via step-down DC/DC converter to power the Raspberry Pi. VGA – HDMI to VGA converter supporting up to UXGA (1600×1200) and 1080p with 10-bit DAC USB – self-powered USB hub with 4 ports Storage – micro SD card reader RTC – NXP PCF2127AT / PCF2129AT with included CR2032 battery Debugging – RS232 DB9 connector (via MAX3232) to be used with a null-modem cable. I/Os – Reset switch for RPi reset, headers to access S1 & S5 on top of the Raspberry Pi Servo support – 8-channel Darlington driver chip  (ULN2803) allowing to control electronic circuits […]

HDMI to VGA Adapters Now Cost About $10

I remember when the Raspberry Pi first got out, many people wanted to connected it to a VGA display, and at the time, a cheap HDMI to VGA adapter would have cost $30, about the same price of the low-cost ARM11 board. Since then things have changed since it’s possible to find HDMI to VGA adapters for less than $10, and even less than $7 on Aliexpress. The one linked and pictured above has an HDMI male connector and a VGA female connector, and the following  features listed in buyincoins: Support 1080p and 720p. Built-in chipset. No external power required, power supply from HDMI signal. Don’t support audio output. Can use for connecting devices with VGA port to HDTV. HDMI – standard type A port male. VGA – VGA video port, female. The title seems to imply it’s an HDMI to VGA adapter, but the description tells you it’s for […]