Posts by Year

2023

Back to top ↑

2022

Solar harvesting Wi-Fi camera

8 minute read

An ESP32-CAM module is a low-cost device based on ESP32-S module, an OV2640 image sensor and Micro SD slot. The module is not designed for low energy consump...

Ground station for LoRa satellites

5 minute read

The arrival of small satellites that used LoRa for telemetry data has meant that less technically qualified persons, with a very low budget, can receive thei...

Back to top ↑

2021

Halloween talking clock based on Rpi Pico

5 minute read

Halloween talking clock that plays sounds every O’clock hour. Only a few external components (easy to source and solder) needed. The single side board could ...

USB Pedal based on Rpi Pico

5 minute read

USB pedals (or any other momentary switches) who emulates keyboard keypress or combination of keys. Handy to use with video edition software to pause/play wi...

WiFi controlled waterproof LED string

5 minute read

Decorative lights suitable for Halloween, Christmas, parties, etc. Not only controlled over internet but, also completely reprogrammed wirelessly using OTA ...

Back to top ↑

2020

Back to top ↑