WioAirMonitor is a smart device, able to monitor air quality and send collected data to cloud services via the MQTT protocol. Part list SeeedStudio WioTerminal SeeedStudio Grove Laser Dust Sensor SeeedStudio Grove GPS Module Description WioAirMonitor, as the name suggests, it is built around the WioTerminal device from SeeedStudio. This device – compatible…
Here’s a new promo for the Fusion PCB service by SeeedStudio: from today untill September 21st, you can order 3 PCBs for 1$ (excluding shipping costs) To take advantage of the offer, simply enter the order from the dedicated page of their website. The offer includes PCBs with the following characteristics: [checklist] 1/2 layers max size of 10x10cm…
On this site I’ve already posted about the CH340G chip, manufactured by a chinese company and often adopted as a cheap solution when a USB -> serial converter is needed. As the chip package (SOP16) is quite easy to solder, I ordered some ICs from AliExpress and I designed a minimal demoboard, based on the reference schematics: You can download Eagle files (both schematics…
SeeedStudio has just announced an important price reduction for its PCB prototyping service, Fusion PCB: You’ve no more excuses to try and design your own PCBs, perhaps following my guide about how to export the needed Gerber files 😉