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 …
Category: DIY
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.
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. …
Real-Time Youtube Subscriber Count
Another simple project to make more my daughter motivation. Using led matrix 4x MAX7219 and ESP32, it’s connect to youtube API and Alexa so we can turn on and turn off the display via Alexa command.
Very Simple Electronic Workbench Tools
This is very simple and cheap electronic workbench tools. It’s using LCR meter and XL4015 Step-Down DC Module with CV CC Control. I am replace the original multiturn potentiometer to common potentiometer. It’s modular and can be added as long …
Convert Smart Wall Switch to ESPHome
Not all smart wall switch can be convert to ESPHome easily. SONOFF smart switch, you can convert it relatively easy since it has flash pin already on the PCB. I bought BARDI smart wall switch and unfortunately it doesn’t has …
DIY Smart Perfume Dispenser
Tired to turn on and turn off Perfume Dispenser to save the perfume? Here is the solution. I modified it using ESP8266 and mosfet to control the motor. Flashing it using ESPhome and connected to HomeAssistant.
Queue Caller
I made Queue Caller prototype using Nextion LCD and ESP8266. It’s simply just send next, recall and call specific queue. Easy to move anywhere since it’s wireless and use USB charger for powering it.