First steps with the M5Stack IoT EduKit. Nice package and decent instructions.
Using a logic analyzer is a new experience for me. And it seems I got a really good one which is also very programmable.
Use the real time clock PCF8583 with Espruino
Use openLRSng TX/RX to move a servo.
M5Stack and LEGO+ module DC Motor to control an old NXT LEGO Motor.
Reflashing Xiaomi Mijia LYWSD03MMC allows you to read the environment data easily via BLE. Here is are 2 small Nodejs programs to simplify this a lot.
After the short excurse with Blynk in the previous post I wanted to do the same without a company between. After all, controlling an LED is rather simple. So back to basics: MQTT it is. Got a Mosquitto instance on the Internet with the following docker-compose.yml definition: Very basic configuration. No TLS, but I definedContinue reading “ESP8266 and LEDs”
Using my M5Stack with Blynk makes sense: it has plenty sensors and a display and LEDs. Update M5Stack firmware to v1.7.0 via the M5Burner Have ampy installed Download BlynkLib.py from https://github.com/vshymanskyy/blynk-library-python Set your M5 into “APP Mode” to be able to use the REPL reliably (boot, hit Setup button, select mode, reboot) Upload BlynkLib.py: NowContinue reading “Blynk and M5Stack”
Yesterday I read an article about blink(1) which is essentially a USB connected and controlled RGB LED light. I got some ESP8266 and some WS2812 LEDs to do the same, and it even can connect via WiFi and the Internet. So that’ll what do on Sunday. Somehow I arrived at Blynk which is a totallyContinue reading “Blynk IoT Platform”
I forgot I bought one of those a while ago! To flash Espruino software on it: Files from https://www.espruino.com/binaries/espruino_2v05_esp8266/. Source: http://forum.espruino.com/conversations/319660/ although that speaks of 40MHz. I have not seen any issues with 80MHz. Needless to say, it works fine: