blog
- 2019/12/28 OctoPrint on an Atom N270 with a USB Webcam and Serial Port DTR Control
- 2019/12/07 Glass bed and heater rewire mods to Monoprice Select Mini v2 3D printer
- 2018/02/24 XL6019 boost/buck DC-DC converter unboxing
- 2018/02/08 3D Printing with 3D MARS white PLA: pass-through wallplate, paper towel holder, right-angle spool holder, shower curtain rings, and a prototype case
- 2018/01/28 Powerful Function LTCMD720NIR CCD Camera teardown
- 2018/01/27 DT420T microwave/PIR motion sensor to ESP32
- 2018/01/22 3D printing with the Monoprice Select Mini v2: first impressions and prints: a saddle, knob, guard, guide, spinner; a cube and clip; squeezer, holder, dish; case, stand, fingers, and carousel
- 2018/01/15 USB connector replacement on STM32 blue pill development board
- 2018/01/14 Capacitive discharge welder with 350 farad supercapacitor
- 2018/01/14 Youyue 858D hot air gun first look
- 2018/01/13 pill_6502: 8-bit 6502 CPU and 6850 ACIA emulation on the STM32 blue pill to run Microsoft BASIC from 1977
- 2018/01/12 Sanyo LM3364K dynamic RAM (DRAM) pinout decoding
- 2018/01/09 AT&T 1739 Digital Answering Machine teardown and resuscitation attempt
- 2018/01/08 USB breakout boards for supplying power to your projects
- 2018/01/07 ESP32-based wireless ticker display for Minecraft server activity: pushing up against the fourth wall
- 2018/01/07 Pioneer SD-P453S Rear-Projection (RPTV) teardown: inside an 80s vintage big screen TV
- 2018/01/06 Constructing and experimenting with the STM32-O-Scope
- 2018/01/05 A blast from the past: Kinyo 1-way VHS Rewinder UV-428 teardown
- 2018/01/05 Building an Amazing $10 Oscilloscope with an STM32 blue pill, LCD touchscreen, and STM32-O-Scope software
- 2017/12/27 Pill Duck: Scriptable USB HID device using an STM32 blue pill, from mouse jigglers to rubber duckies
- 2017/12/23 Triple USB-to-serial adapter using STM32 blue pill (pill_serial)
- 2017/12/23 JTAG/SWD debugging via Black Magic Probe on an STM32 blue pill and blinking a LED using STM32CubeMX, libopencm3, and bare metal C
- 2017/12/17 Espressif IDF IoT Development Framework on the WEMOS LOLIN32 ESP32 to drive an SSD1305 OLED display over SPI without Arduino
- 2017/12/16 Custom laptop charging: adding a USB charging port and module
- 2017/12/14 Assembling a HX3208 DIY FM radio kit
- 2017/12/12 STM32 Blue Pill ARM development board first look: bare metal programming
- 2017/12/09 The smart bulb / smart switch dilemma: smartening up a dumb wall switch
- 2017/12/06 Custom laptop power management: external activity, power on button, graceful power off, hard power switch
- 2017/12/02 Custom laptop upgrades: internal breadboard, power indicator, and larger case
- 2017/11/12 Building a small custom Raspberry Pi Zero laptop in a cardboard box
- 2017/11/11 Enabling long range mode on a VL53L0X Time of Flight sensor in Arduino
- 2017/11/10 Monochrome 2.7” and 2.42” 128x64 OLED displays on a Raspberry Pi Zero
- 2017/11/03 Routefinder RF102S dual serial router + 4-port 10/100 Ethernet switch teardown