PCB manufacturer and Electronics Calculator
Hi,I'm a Electronic hobbist, doing PCB related job. Usually i'm using PCB from local product. Worried about their product quality, usually i'm working on 4 layar PCB. Now i'm looking World best PCB...
View ArticlePlease help...
Can any one please help he how to compile a C program on the ARM processor ?? Thank you very much in advance, Regards,Timothy
View ArticleSplit core current transformers
Hi, all. I'm looking for split core current transformers at a reasonable price. This will be formonitoring circuits in my home. The Magnelab SCT-400 and SCT-750 series look good because they come in...
View ArticleProgramming C+
I took a programming class in which we used the Board of Education. I really enjoyed the challenge of programming & would like to continue learning it. My instructor mentioned many times that he...
View ArticleLED - Resistor Circuit Design Question
I have several types/colors of LEDs, both 3mm and 5mm, that specify a range for Forward Voltage (such as 3.2-3.5V) and/or a range for Current (such as 20-25 mA). I'm using some of the free online LED...
View ArticleLooking to build a wireless sensor network (low cost and low power coin cell...
Folks, I am looking at implementing a very low cost temperature sensor module (module cost less than 10$)I wish to install these low cost sensors to sample the temperature and humidity on a highway...
View ArticleRemote controlled robot snow plow - DIY + Video
DigiKey uses CUI's VHK200W DC-DC converter to create a remote controlled robot snow plow, the snowbot. Snowbot uses motors pulled off an old electric wheelchair and deep-cycle marine batteries.
View ArticleSplit core current transformers
Hi, all. I'm looking for split core current transformers at a reasonable price. This will be formonitoring circuits in my home. The Magnelab SCT-400 and SCT-750 series look good because they come in...
View ArticleWhat parts are most worth salvaging from old tech?
Do you guys ever both salvaging your old tech? What's the oldest equipment worth bothering with before Moore's law renders it completely useless?
View Articleoptical sensor switch (photoelectric?)
I am trying to build an optical sensor switch for a small toy motor, but I am not sure where or how to start. I would like to make a photoelectric switch, or some type of optical switch that will...
View Articleoperational amplifier and comparator
Hello, I've learnt that op-amp can be used as a comparator ,so why there are components that they are reffered to as only comparators not an op-amp ,for example in isis proteus simulation program there...
View ArticleController for reservoir sluice gate
I am the engineer for a small HOA that owns/manages a 40 acre lake with 6 sluice gates. The sluice gates were installed to prevent the operation/destruction of the flashboard system originally...
View ArticleHow to balance parallel MOSFET's
I want to place several mosfets in parallel to handle more current, but am confused about the Gate resistors and something refered to as a "balance" resistor. From what I've read, this balance...
View ArticleReservoir sluice gate controller
I am the engineer for a small HOA that owns/manages a 40 acre lake with 6 sluice gates. The sluice gates were installed to prevent the operation/destruction of the flashboard system originally...
View Article