5Pcs DIY FLA-1 Simple Flashlight Circuit Board Electronic Kit
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Ventajas: Muy interesante con fines didácticos y para practicar la iniciación a la soldadura de componentes. El circuito es fácil de realizar y la linterna alumbra bastante. Gracias al tipo de circuito (ladrón de Joule) es capaz de extraer energía incluso de pilas bastante gastadas. Existe un pack de 20 unidades más económico. Desventajas: El agujero frontal es demasiado pequeño para el LED, por lo que es necesario limar a cortar el plástico a mano. No incluye ningún tipo de instrucciones de montaje ni explicación del circuito.
My 9 year old grandson found this little kit to be perfect for learning how to weld. The result is a small lamp with very satisfactory lighting.
this diy kit was just as described. i am totally happy and i will order it again. i use it on teaching electronics to my students and they are all impressed.
works fine. But it came with 4 x 47 ohm resistors, the board only need 1 the resistor controls the brightness of the torch, 47 ohms is to high in value and the light output is very low, I see that some kits were supplied with 22 ohm resistors so I changed mine to 22 ohms and the light output is now useful. Overall I am happy with the project.
i like these little flash lights i got 5 and i keep one every where i keep a lot f stuff like junk drawl or in the car comes in handy all the time 5 star s for sure
Отличный набор для начинающих электронщиков, и полезная вещь :)
ok
The kits came super fast to the UK. all items as described. perfect for a rainy Saturday soldering project. going to give them to my friends when we go camping.
Good quality. Good present for my kids
Excellent produit MERCI