Preview – INA3221 Power Monitor
Three-channel shunt resistor measurements are possible with the INA3211. The values can be read out via the I²C bus.
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Arduino Nano 33 BLE
I ordered an Arduino Nano 33 BLE Sense Rev2 from Christkind, but I received a Nano 33 BLE. Well, „man“ takes what „man“ gets ;) . No, I'm not going to gender-neutralise this here because it would distort the facts. Before I wander off any further, I've had the thing unpacked in its box since the year before last...
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Temperature and humidity sensor DHT22
The DHT can measure humidity with an accuracy of 2%RH and temperature with an accuracy of +/-0.5°C. The values are output on the OneWire bus.
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Arduino Nano 33 IoT
In a shopping frenzy, I couldn't resist and ordered the new power pack from Arduino. The 33 IoT is in the form factor of the Nano but has Wi-Fi. It also has an integrated IMU with which acceleration and spatial orientation can be determined. More about this amazing board in the following sections. …
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Preview – Arduino Motor Shield with L298P
Found another motor shield on AliExpress, this one has an L298 motor driver. What's interesting is that the braking function and current measurement are brought out. What is a preview: As I'm losing track of the ordered hardware more and more, I'll write a small preview after ordering. Then, when I get to the hardware...
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Preview – Arduino Mega Logger Shield
Add-on board with SD card slot and brought-out pins. On AliExpress for around 8€. What is a preview: Since I'm losing more and more track of the ordered hardware, I will write a short preview after ordering. When I get to the hardware, I will replace the corresponding preview with the actual post. Thus…
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Preview – Prototype Shield for Arduino Mega
The prototype shield, already known from the Uno, is now also available for the Arduino Mega. For around €6 on AliExpress. What is a preview: Since I'm losing track of the ordered hardware more and more, I will write a small preview after ordering. When I get to the hardware, I will release the corresponding preview...
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Preview – Arduino Nano Add-on Board
Expansion board for the Arduino Nano, various ports are brought out with additional power supply. Ordered from quick Ali for around €1. What is a preview: As I'm increasingly losing track of the hardware ordered, I'll write a short preview after ordering. When I get to the hardware, I'll do the…
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Preview – Arduino Mini ATMEGA328P 328
A tiny ATMEGA board. I've ordered the 3V and 5V versions here for around €6 each from the fast Ali. What is a preview: Since I'm increasingly losing track of the hardware I've ordered, I will write a short preview after placing an order. When I get to the hardware, I will then...
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Wemos C3 Mini
The WEMOS C3 is the latest in the D1 Mini format. A USB Micro connection, a reset button, and two built-in LEDs on the ESP are the only peripherals. In terms of its dimensions, it is rather small, with only a few pins brought out externally. However, the ESP32-C3 with its RISC-V CPU features Bluetooth 5.0. Interesting how...
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