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ExpressCard to M.2 Wireless Network Card Adapter Compatible with ExpressCard34 and ExpressCard54 Interface
$18.87
YSKJ-49 Mini Portable Handheld Tesla Coil 180W Artificial Lightning Generator Arc Gun (Black Shell + Golden Coil)
$70.20
YSKJ-49 Mini Portable Handheld Tesla Coil 180W Artificial Lightning Generator Arc Gun (White Shell + Blue Coil)
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Description:
- ROCK3 is a series of Rockchip RK3568 based SBC(Single Board Computer) . It can run android or some Linux distributions.
-
ROCK3 comes in two models, Model A and Model B, Model A has 2GB, 4GB,
8GB ram options, Model B has 4GB and 8GB options. For detailed
difference of Model A and Model B, please check Specifications.
-
ROCK3 features a quad core Cortex-A55 ARM processor, 32bit 3200Mb/s
LPDDR4, up to 4K@60 HDMI, MIPI DSI, MIPI CSI, 3.5mm jack with mic, USB
Port, GbE LAN, PCIe 3.0, PCIe 2.0, 40-pin color expansion header, RTC.
Also, ROCK3 supports USB PD and QC
General
1. What's the difference between ROCK 3A and 3B?
3A and 3B comes in different form factor, 3A is credit card size while 3B is 2.5inch SBC, gives more features and provides other advantages such as heat dispatching. Check hardware revision page for the detail difference.
2. Why doesn't ROCK 3A boot ?
Check the following one by one.
Power supply
The ROCK 3 is powered by Type-C port and has a wide range of input voltage, from 9V to 21V. ROCK 3 supports USB Type-C PD 2.0 with 9V/2A, 12V/2A, 15V/2A and 20V/2A. Besides, the Pi supports QC 3.0/2.0 with 9V/2A and 12V/1.5A. The Type-C cable you using needs to support data communication. We call it USB Type-C charging data cable.
Short-circuit the FSPI_CLK pin and GND pin to make SPI Nor flash unavailable.
Please note that you should short-circuit pin#1 and pin#2 always when spi nor flash is not used. Like the yellow left hat.
