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Formpie - formaldehyde data logger with MQTT and Home Assistant integration

Finally, I’m starting to finish projects with parts I’ve been buying from Core over the years

Here’s a link to the first one, which I’m calling formpie:

https://github.com/GeoffWilliams/formpie

Meshtastic UART decoding and integration

Ive got it working

By configuring the Meshtastic device to LOST_AND_FOUND mode which will periodically broadcast position as a message. Unlike the Detection Sensor module packets the message from lost and found is recognised by your micro python script and can be used as a trigger


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Solar powering a rover

Hey all,

Just wanted to post one more quick question here now I have made some progress. I have designed and made a custom solar charging module using a CN3722 chip and have successfully got it working with a 2s BMS module.

My question is, now that I am wiring everything up, is it best to connect the output of the charging module and power rail going to the buck...


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GPS Tracker Project with ESP32-S3 (Heltec V4) and Reyax RYS352A GNSS Module

Hi everyone,

I wanted to share a recent project I’ve been working on using the Heltec WiFi LoRa 32 V4 (ESP32-S3) and the Reyax RYS352A multi-GNSS module.

The aim was to build a standalone GPS tracker that doesn’t depend on cloud services or paid subscriptions. Instead, the ESP32 hosts a small web server that allows any device on the same Wi-Fi network to view th...


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Project by Alexander201199; Micro:bit based GlowBit Car

Awesome project! I really like how you’ve combined the micro with the GlowBit LEDs to create a fun and interactive robot car. Projects like this are a great way to learn about programming, electronics, and hardware integration all at once.

One thing that’s often overlooked in DIY electronics is the use of the right power connections, especially as projects become more ...


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