Dr. Claus Kühnel (7)

13-07-2026 | DPTechnics's Walter is an open-source IoT system-on-module that combines an ESP32-S3, LTE-M/NB-IoT connectivity, and GNSS in a single board....

1-07-2026 | The Belgian company DPTechnics BV offers a range of IoT building blocks, including a remarkable board called Walter. The controller board is...

24-03-2025 | You can use a Raspberry Pi RP2040 MCU to measure air quality. It acquires data from a CO2 sensor and then transmits it via an ESP8266 to the...

1-11-2024 | Autonomous sensor nodes require both wireless communication and a self-sustaining power source. This solar-powered LoRa node project introdu...

1-09-2024 | Autonomously operating sensor nodes need wireless communication as well as an autonomous source of power. This article will introduce you to...

1-11-2022 | At the beginning of 2021, the Raspberry Foundation announced the Raspberry Pi Pico. As the readers of Elektor magazine know, this is not jus...

1-09-2022 | From a circuit point of view, a LoRaWAN node combines a microcontroller and LoRa transceiver. Although there are numerous commercial LoRaWAN...