Yellow Rabbit

Yellow Rabbit Blog


From model to the real thing

From model to the real thing

The process of modeling and manufacturing parts from start to finish. Was used 6mm thick plastic, single-flute cutter 3.175mm. [more...]

Fixing the Pen of the Huion Graphic Tablet

Fixing the Pen of the Huion Graphic Tablet

When using a graphic tablet, you need to be very careful with the pen. I was convinced of this on my own sad experience (as usual :smile:). [more...]

Logical Level Converter

Logical Level Converter

There is such a chip Max 7219, which is a seven-segment indicator controller. It not only allows to control eight such indicators, but also allows cascading connection with the same controllers, which allows to arbitrarily increase the bit capacity. [more...]

Storing Temperature in the Database

Storing Temperature in the Database

Never hurts to have the database, let’s try to store data about temperature measurements. Let’s see if we can use influxdb on Raspberry Pi. [more...]

Raspberry Pi and 1-wire Devices

Raspberry Pi and 1-wire Devices

1-wire - is a system of communication between devices, developed by Dallas Semiconductor Corp, which provides low-speed data exchange and power by a single wire. A distinctive feature of this bus is the ability to use only two wires: data and ground. To achieve this, the device includes a 800pF capacitor for storing power and powering the device when using the data line. Let’s look at one of these things that I found at hand: DS18B20. [more...]