2R Hardware & Electronics

Saturday, April 11, 2015

Dekko PS3020Q switch mode variable power supply

Specifications:

Output rated value: 0-30VDC/ 0-20Ampere
Input Power Voltage : 110/220VAC +/- 10% at 50/60Hz
Digital Display
Digital voltage and Current adjustment
Application: Laboratory, industrial electronics, etc

Cadik540 high quality soldering iron

Cadik540 High Quality multipurpose soldering iron with long life tip , input 220-240VAC, made in Taiwan

Dekko HS5205 Digital insulation meter

Checking the insulation of high-voltage electrical equipment (electric motor, transformer, and cable, etc.)

Specs:

250V~2500V Voltage to Test Target
Insulation Measured Resistance can be up to 100GΩ
Short Current up to 3mA
Automatically calculates PI (Polarization Index) and DAR (Dielectric absorption ratio)
AC/DC Voltage Measurement and Continuity Test
Display Back Light and Auto Power Off

Dekko HS5203 Digital insulation meter

Checking the insulation of high-voltage electrical equipment (electric motor, transformer, and cable, etc.)

Specs:

50V~1000V Voltage to Test Target Insulation
Measured Resistance can be up to 10GΩ
Short Current up to 1.8mA
Automatically calculates PI (Polarization Index) and DAR (Dielectric absorption ratio)
AC/DC Voltage Measurement and Continuity Test
Display Back Light and Auto Power Off

RK3188-SOM-EVB

REFERENCE DESIGN FOR RK3188-SOM WITH HDMI, 100MB ETHERNET, 4X USB HOSTS

RK3188-SOM-EVB is a reference design of a 2-layer board for RK3188-SOM. It expands the features of RK3188-SOM by adding HDMI, LCD, 100Mb Ethernet, USB-OTG, 4 USB hosts, and 0.1'' GPIO headers. The hardware sources are available as Eagle CAD files, so everyone can modify and tailor according to his needs.

Reference design of a 2-layer board comaptible RK3188-SOM that adds HDMI, 100MB Ethernet, USB-OTG and 4x USB HS/FS/LS hosts, RTC with backup battery. The RK3188-SOM-EVB board also adapts the 0.05'' step GPIO headers to 0.1'' step headers so you can easily attach an LCD or UEXT module. Its hardware design is open source and available as Eagle CAD files, so everyone can modify and tailor it according to the specific needs. Templates for RK3188-SOM receiptacle are available for Eagle and KiCAD.

FEATURES

Includes RK3188-SOM-4GB
RK3188-SOM(-4GB) matching connectors
Power barrel jack, +6V to +16V DC
HDMI video output with a standard connector
LCD video output on a 40 pin at 0.1" step connector (compatible with Olimex LCD displays)
100Mb Ethernet interface with a connector
2 × UEXT connectors
USB-OTG with power control and current limiter
4 × USB host
LiPo Battery connector with battery-charging capabilities
2 × GPIO connectors × 40 pin @ 0.1" step
Power LED
Dimensions of the SOM part: (3.2×1.8)'' ~ (81×56)mm
Dimensions of the EVB part: (5.45×3.35)" ~ (138×85)mm

RK3188-SOM

SYSTEM ON CHIP MODULE, WITH RK3188 QUAD CORE CORTEX-A9 PROCESSOR

RK3188-SOM is System on Chip module, which contains of RK3188 Quad Core Cortex-A9 processor, Power managment Unit AC8846, 1GB DDR3 memory. All RK3188 signals are available on 5 connectors x 40 pin with 0.05" step. RK3188-SOM have UART console connector and SD-card.

FEATURES

Rockchip RK3188 quad core Cortex-A9 processor, each core typically running at 1.6GHz
1GB DDR3 memory
AC8846 PMU IC
MicroSD card
UART debug pins exposed
3 × user LEDs
Power LED
3 × buttons – POWER, RESET, RECOVERY
5 GPIO connectors × 40 pin at 0.05" step
Dimensions: (3.2×1.8)'' ~ (81×56)mm

Friday, April 10, 2015

A20-SOM

SYSTEM ON CHIP MODULE, WITH A20 DUAL CORE CORTEX-A7 PROCESSOR

A20-SOM is System on Chip module, which contains A20 Dual Core Cortex-A7 processor, Power managment Unit AXP209, 1GB DDR3 memory and optional 4GB NAND Flash. All A20 signals are available on 6 connectors x 40 pin with 0.05" step. A20-SOM have UART console connector and SD-card.

Reference design for A20-EVB with VGA, HDMI, Audio In/Out, 2 Mpix Camera, Gigabit Ethernet, SATA, USB-OTG and 2 USB hosts is available with Eagle CAD files, so everyone can modify and tailor to his needs. Templates for A20-SOM receiptacle done in Eagle and KiCAD are available.

FEATURES

Allwinner A20 dual core Cortex-A7 processor, each core typically running at 1GHz
1GB DDR3 memory
AXP209 PMU IC
MicroSD card
UART console
Status LEDs
RESET, RECOVERY buttons
6 connectors x 40 pin 0.05" step
Dimensions: (3200 x 2200)mil ~ (81.28 x 55.88)mm