Heltec offers a low-power board with LoRa in a miniature format here. The price is around €13 on the usual platforms. What is a preview: As I am increasingly losing track of ordered hardware, I will write a small preview after ordering. When I get to the hardware, I will then...
Continue reading "Preview – Heltec Cube Cell Board mit LoRa Wan"
There is no need to worry about swallowing this pill because it is too large. Nevertheless, it is very small for a microcontroller. With the right casing and a dedicated selection of sensors, it offers everything your heart desires. LoRa and a low-power chip complete the overall picture. It is available from...
Continue reading "Preview – Blue Pill von Heltec (Cube Cells)"
An add-on board for the ESP32. Currently available for around €9 on the usual platforms, which is a bit expensive. What is a preview: As I'm losing track of the hardware I've ordered more and more, I'll write a short preview after ordering. When I get to the hardware, I'll replace the corresponding preview with the actual...
Continue reading "Preview – ESP32-IO Schild für Arduino ESP32 Wroom Core Board"
INMP441, if you can believe the specifications, a highly accurate microphone for the I²C bus. For around 3€ on the usual platforms. What is a preview: Since I'm increasingly losing track of the ordered hardware, I'll write a short preview after ordering. Then, when I get to the hardware, I'll do the corresponding...
Continue reading "Preview – Omnidirectionales I²C Mikrofon"
An ESP32 with an adapter board for a breadboard. It needs to be soldered together by yourself and is available for around €5 on the usual platforms. What is a preview: Since I'm increasingly losing track of the hardware ordered, I'll write a small preview after ordering. When I get to the hardware, I will then...
Continue reading "Preview – ESP-WROOM-32 Rev1 Steckbrett Adapterplatine "
Soldering board for soldering an ESP module for around €1 from fast Ali. What is a preview: As I am increasingly losing 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. This way, you will receive…
Continue reading "Preview – 7x9CM Prototyp Platine zum Löten für ESP8266, ESP-12E, ESP-12F, ESP32"
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…
Continue reading "Preview – Arduino Mega Logger Shield"
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...
Continue reading "Preview – Prototyp Schild für Arduino Mega "
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…
Continue reading "Preview – Arduino Nano Zusatzplatine"
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...
Continue reading "Preview – Arduino Mini ATMEGA328P 328"