Category: ESP8266

Programming STM32F boards

I got three versions of STM32F boards, one Cortex-M3 and two Cortex-M4’s:STM32F103C8T6 Arm Cortex-M3 MCU, 80 DMIPS, 64KB Flash / 20KB RAM, 72 MHzSTM32F401CCU6 Arm […]

7 August 2021

OpenMQTTGateway

OpenMQTTGateway delivers a gateway, in this example between Bluetooth to MQTT.Prerequisite: ESP32 Download the four files from the list of binaries and upload them to […]

24 May 2021

Control a 12V led string

The 12V Christmas lights needed be powered and controlled. I chose to buy a Mean Well RS-50-12 that delivers 12V up to 4.2A (50W) and […]

29 December 2020