Hello, my dear blog readers! This time, what I wanna share you are about the Arduino diy kits. All of them are cheap price, which are suitable for the enthusiasts and beginners. If you are interested in them, you could read as follow.
Description:
Size: 81 mm x 81 mm x 1.6 mm
PCB thickness: 1.6 mm
Materials: FR4 military level
PCB color: blue
DigitalTube display: red
Power supply voltage: miniUSB, external connection 5V ,3V button battery for clock chip on the board of the standby power supply
This one is sold at a price of $ 8.3.
This kit is a classic low-power transceivers. This is a very small volume of simple 40 meter band micro-power amplitude telegraph transceiver uses a 9V square battery. The reception is good, highly readable code, is the entry of the most junior amateur radio choice!
It is sold at a price of $ 4.16.
Features:
Weight: 7g (approx)
Color: White + Green
Dimension: 3.2cm x 2.4cm x 2.8cm (approx)
Infrared sensor with control circuit board
The sensitivity and holding time can be adjusted
Working Voltage Range: DC 4.5V- 20V
Current drain:<60uA
Voltage Output: High/Low level signal:3.3V TTL output
Detection distance: 3--7M(can be adjusted)
Detection range: <140°
Delay time: 5-200S(can be adjusted, default 5s +-3%)
Blockade time: 2.5 S (default)
Trigger: L: Non-repeatable trigger H: Repeat Trigger (default)
Work temperature:-20-+80°C
Trigger Method: L unrepeatable trigger / H repeatable trigger
This one costs you the price of $ 1.82.
Specifications:
One Terminal Strip, Tie-point 300
Two Distribution strip, Tie-point 100
Materia: ABS plastic
Completely reusable
Coloured coordinates for easy component placement
Metal spring clips
Size:8.2cm x 5.5cm x1cm (3.27inch x 2.16inch x0.39inch)
If you like it, you just need to spend on $ 2.73.
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