Category Archives: Electronics

Recently bought on b6ac on ebay. did some lipo charging and discharge. it did eventually had the auto discharge 1S then over voltage problem loop and all four buttons not responding. after i did the STOP/Enter button while powering. ( … Continue reading →

using windows 10. initially the ufsbox to ftdi didnot seem to work. but after reboot it did. i can start testing it with nokia 5110 lcd.

Finally a brand new laptop! core m 5y10c 4GB 256SSD I can restart my mcu projects 🙂

atmega8 / atmega8A / atmega8L • Operating Voltages – 2.7V – 5.5V (ATmega8L/A) – 4.5V – 5.5V (ATmega8) • Speed Grades – 0 – 8MHz (ATmega8L) – 0 – 16MHz (ATmega8/A) mega128 / MEGA128L / MEGA128a – 2.7 – 5.5V … Continue reading →

I have these for testing ; Data Sheet  HC – High-speed CMOS, similar performance to LS, 12 ns. 2.0–6.0V. HCT – High speed, compatible logic levels to bipolar parts. Using as Output. ino part using arduino sketch void setup(){ pinMode(11, … Continue reading →

last 2 weeks ago. an old friend and me when to shop. we bought those LED bulb. was so expensive 2 yrs ago. now it’s cheaper. then we saw a battery tester. and bought it. nice toy. it works!

A laptop webcam.   from Acer laptop. cam module pinout it wont work since my asus netbook gives 5v on usb. to make it work you need to make it 3.3v. but if you will use the connectors on the laptop … Continue reading →