Amazon Dash Button (Rev.2) Modification Plan
Introduced in 2015, the Amazon Dash Button took the world by storm with its simplicity of ordering products with a si ...
[Verification] How Much Do the Crystal and MEMS Versions of the DS3231 Drift? A 1-Week Comparison Test
To improve the time accuracy of my homemade data logger, I purchased a few of the classic RTCs, the “DS3231R ...
Verification: Measuring SD Card SPI Write Speeds on RP2350 (Pico 2 Compatible)
We acquired an RP2350-equipped development board compatible with the Raspberry Pi Pico 2 and conducted write speed ve ...
【RP2350】No SD Card Module Required! Read and Write Data by Reusing a Spare Conversion Adapter
Following our setup of the RP2350 board last time, today we’ll take on the challenge of reading and writing dat ...
[RP2350] Blinking an LED in Arduino IDE with the Pico 2-compatible “16MB Ultimate Edition”
While window shopping on AliExpress, a development board with a built-in USB Type-A male connector suddenly caught my ...
Blinking a 100-Yen LED Decoration Light with an Oscillation Circuit
I am a beginner camper with only two camping trips under my belt, but one thing became painfully clear to me very ear ...
Overcoming Parallel Import mBot Troubles! Building a Custom Bluetooth RC Car with Raspberry Pi Zero W
I purchased an mBot educational robot kit on Amazon. It had a reputation for being ideal as an introduction to visual ...
[With Technical Conformity Mark] Utilizing a Ultra-Cheap Bluetooth Analog Stick Controller
When trying to operate an mBot obtained through parallel import, it turned out that the Bluetooth module lacked the T ...
[Resolved Case] Detecting a Defective st7789 Display Purchased on AliExpress! Verification Report on Defective vs. Working Units
This time, I purchased two types of displays for just under 500 yen each on AliExpress.
One has no CS pin and a ...
Building a Tetris-Style Game with MicroPython and RP2040-Zero
In this article, we introduce a Tetris-style game program implemented in MicroPython using ChatGPT, an RP2040-zero, a ...