Simple resistive load
Sometimes we need to use a resistors that without capacitance or inductance. We always use the carbon resistors. But some working to need the resistor that has also many high power. Which we cannot use...
View ArticleMake children table for modeling clay
Chayapol want to build a table for younger sister to using a modeling clay. We are very fortunate to be able to buy wood chips easily and cheaply. Chayapol as homeschool boy loved so much artificial...
View ArticleBuilding the electronics workbench table by Chayapol
We moved to a new office up more space. I have a large work desk, length 220cm, width 85 cm, height 80 cm. Fit for the room. We like this desk, but expensive. so want to build myself. Can fit into the...
View ArticleMake a PIC Programmer Box case with My son’s LEGO
My son is learning the microcontroller. He told The PIC programmer Without Box. So maybe we will catch part of its circuit. It may be damaged He likes to play LEGO much. It created as the box case. For...
View ArticleDIY Make Solderless Flexible Breadboard Jumper Wires by Chayapol
DIY Make Solderless Flexible Breadboard Jumper Wires by Chayapol A jumper wires in the experiment electronic circuits labs on Breadboard is indispensable. Normally we can buy them from general...
View ArticleModem wireless router overheating troubleshooting
This is Modem wireless router overheating troubleshooting by Chayapol. If your Internet is very slow in the daytime is The modem wireless router is overheat. My son measure its temperature was about 55...
View ArticleDIY pocket pack solder
This is DIY pocket pack solder. To portable and lightweight with the division lead to shorter. Normally we always to buy big lead because worthy than small. My son buy new solder; DIA: 0.8mm 1LB...
View ArticleMake Lamp as power load
We like to test the functionality of a high current power supply by simple power load. It is 12V lamp 50 watts. But it had a high temperature. Require a docking station proper on long time trials....
View ArticleHow to fix unclear the 7 segment led display
I’ve bought a cheap digital frequency counter kits. It works great, can measure frequency up to 1GHZ in 19$ only. It use 8 the LED 7 segment display. But it’s a little brighter so cannot clearly read...
View ArticleIdea to build simple frequency meter from old calculator
This circuit use a simple ideal is the calculator count a frequency within range 1 second. This time base is generated by IC-555,on astable multivibrator form. How it works The number on the...
View Article
