I had most of my part assembled last weekend, turned out gears meshed pretty well to each other, all critical parts are successfully soldered on board[……]
Author Archives: Green
a easier way to use pulse control for IR sensor
Since pulse controlled are getting pretty popular these days, emitter need to be turned on with a current higher than forward current at a relatively[……]
a smarter way to write micros()
For those who use arduino before must know the function micros() returns system time in microseconds. AVR based arduinos use TIMER0 in MCU(such as ATM[……]
PCB delivered :)
some updates for motor mount gearing system
I received some new ball bearings last week since my old ball bearings bought last year wore already.
In order to simplify the the ball bearing ins[……]
How to config interrupts priorities for STM32
I am testing nested interrupt recently on my STM32 dev board in order to ensure the relationships between nested interrupts are clear for me. I’ve rea[……]
how to make a simple auto download circuit for STM32
For those who know successfully downloaded code to STM32 through built in ISP must remember that you have to hold boot0 button(assume boot1 is already[……]
new idea on a updated design
Printed Motor Mount Assembling Trial
I got chance to salvage my old fauhalber 1717t motor from my mouse last year so I don’t need to purchase new one. All the holes for shaft and mounting[……]
PCB design sent
I finally submitted my PCB design to fabrication company this Monday after being lazy for the entire winter. Differ from by previous plan, I decided n[……]

