Unfortunately my Garmin Vivoactive HR got into the water and died. So here it is in pieces… Sadly the Vivoactive is not made for swimming which I forgot because I also have the Garmin Forerunner which is Ok in the water. Otherwise, the Garmin Vivoactive HR is a great watch and very useful. The screen […]
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Category: gadget
Mosquito repeller by ultrasounds
This mosquito repeller is producing high frequency noise (a high pitched beeeeeeeeeepppppppp) to scare mosquitos away. Does it work? I still have to make sure it works by going to a mosquito infested area 🙂 mosquito repellent device with solar charger. Post Views: 18
Digital multimeter dismantled and best 2...
This is an old digital multimeter bought in Japan. It is certainly not as accurate as a Fluke but worked well. On a 2 level pcb The encoding wheel of the digital multimeter. LCD screen Here the best multimeters for 2018 Fluke 87-V Digital Multimeter. Innova 3320 Autoranging Digital Multimeter. … Extech EX330 Autoranging Mini […]
USB hub, card reader
Small and useful USB hub with sd card reader On the right the small weight to make it more heavy and stable. Also the 2 blue leds that light it up and make it look cool. Blue LEDs The 3 USB connectors connected to the card reader. Usb driver and blue Leds Post Views: 6
LCD Touch screen alarm
This is a small lcd alarm clock with a resistive touch screen Not a lot to see. The chip is encapsulated. There is a small capacity and the battery. Post Views: 10
5Volt USB power supply
This is a usb powersupply for iphone or samsung. this is the 5volt power supply once opened. You can see the capacitor to the left, in the middle is the coil and to the right the usb plug The plug, the yellow part is a transformer and the usb plug on the right The standing […]
TP-Link powerline adapter for wireless a...
This is a tp-link powerline adapter commonly used to connect your computer to the internet we are the power line You will have one box connected to your router and the other box will in the room situated fat from your router. They are especially useful when Wi-Fi network don’t go through don’t reach far […]
Wireless bicycle computer
This is a Wireless bicycle computer On the left you can find the circuit board and on the right the back of the LCD screen The white area is where you put the battery normally a 2032 button battery Post Views: 7
Tennis racket bug zapper
Just found this interesting bug zapper in the shape of a tennis racket. This bug zapper can be used easily to catch a mosquito flying. Let’s see what the bug zapper contains A very simple circuit containing low voltage to a high-voltage Transformer See the wikipedia link for technical details https://en.wikipedia.org/wiki/Bug_zapper If you touch the […]
Dynamo flashlight
This is the rest of my Dynamo flashlight after it fell on the ground On the bottom left you can see the winding of the Dynamo this is a fixed part and it’s connected to the LED and on the top right you can see the batteries that are charged by the Dynamo The left […]