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. 1. rotating led clock 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. 2. shortwave transmitter kit 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. 3. mini pir sensor 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. 4. mini solderless breadboard 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.
http://www.bizbilla.com/
This one is sold at a price of $ 8.3. 2. shortwave transmitter kit 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. 3. mini pir sensor 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. 4. mini solderless breadboard 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.http://www.bizbilla.com/
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