Hiroshi Nakajima

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It is easy to set up the power supply for the bread-board with a USB PD. The output voltage is from 3.3V to 20V.
Bread Board Power Alligator
195
The Digitally Controlled Electric Load is an electronic load device that is controlled by the ESP32-S3 microcontroller using PID control.
Digitally Controlled Electric Load
301
The TIME LEAP CAM is a battery-operated autofocus camera for long-term time-lapse photography, and it can be monitored by GPT-4o mini.
Time Leap Cam - Time-Lapse Cam and Monitoring by OpenAI
2.7K
This is the small control box that can wake up the PC using Wake On LAN. You can just push a button, PCs will wake up from the power off.
Wake PC Box - Wake On LAN Packet Transmitting Box
684
When the network is not available, data can easily be exchanged on a shared USB memory with a single touch button.
Share USB Memory with One-touch Switching Between Two Device
246
This tool provides logging function that gets data on voltage, current and power consumption for 0 to 85V DC.
High-resolution Voltage-Current Digital Logger
258
Logging temperature and sending data to InfluxDB server. You can see a temperature graph on the dashboard.
Temperature Data Logger for K-Type Thermocouple
1.0K
This tool provides a convenient and quick change of a SW image of a device that has an SD Card interface from a remote.
SD Image Writing Tool for Raspberry Pi and Remote Control
268