PCB Laser and CNC Milling
In the previous post, i was made PCB using CNC milling, the result is satisfying, but the problem is the bit is often replaced. So i upgrade my CNC to add laser cutting. The laser use for mark the pcb …
ESP32 IOT Control
IOT Control let you turn on/off devices wirelessly. Using ESP32 for MCU
Robot Arm
There are many DIY robot arm available in the GitHub or Thingiverse. But i decide to design by myself. I’m using timing belt to make smoother.
Mengganti Analog Gamepad
Analog gamepad ketika sering dipakai lama-kelamaan rusak. Untuk itu harus diganti. Cara menggantinya pun cukup mudah. Buka semua baut penutup gamepad. Lepas tutup gamepad Dengan menggunakan solder attractor, buang semua timah yang menempel di kaki analog. Pastikan bersih dari timah …
PWM Controlled
Take control the PWM duty cycle using arduino
External DAC vs Internal DAC
This is my experiment with DAC. First i am using external DAC. I am using PCF8591 I2C using STM32F103 and arduino framework. The result is terrible. It just got 10Hz with 100 resolutions. Unfortunately, i don’t have SPI DAC so …
L293D VS A4988 Stepper Motor Driver Comparison
The L293D motor driver can be use for stepper motor driver, but i wouldn’t recommend. First, it’s only draw maximum 600mA. Second, it doesn’t have current limiter. Here is L293D using AccelStepper library: Here’s using A4988 using same AccelStepper library. …
DIY BlackMagic Probe
I love to trying and experiment new technology. Even i’ve stlink and jlink debugger, i like to try blackmagic probe. There are blackmagic probe on some store but it’s expensive. Fortunately using bluepill STM32F103 we can us it for BlackMagic …
DIY Wireless Printer
I’ve old LaserJet Printer: HP M1132 MFP. It’s B&W and has scanner on it. I’m happy to use it since it easy to use, cheap cartridge and less maintenance. But since i’m my MacOS to Mojave, the driver stopped working. …
Climate Control System
Climate Control System for controlling room/cage. With temperature and humidity sensor and has 7 output for controlling fan, heater, cooling and alarm. With simple menu and easy to use.