diy – wattnotions

Tenma 72-7735 DMM: Serial interface with Python

Shane Ormonde9 years ago9 years ago1415 mins

The Tenma 72-7735 is a lower end DMM that comes with quite a few handy features including an opto-isolated serial output. This serial communication is over a cable with a male db-9 rs-232 serial connector on one end and a connector housing a photo-diode that fits into the multimeter on the other end. Here is…

Using a mini-oven for making homemade PCBs

Shane Ormonde9 years ago9 years ago25 mins

The oven used for this is a value range mini-oven sold at Argos for €38.99. It is a 1000 watt oven with two elements ( one upper one lower ) and a temperature range of 100-230 degrees. Here is a picture of the aforementioned toaster oven: From looking at how other people on the internet…

wattnotions on Messing about with trilaterationSeptember 27, 2023
Not unnecessarily complicated enough :D
Mikhail Grushinskiy on Messing about with trilaterationSeptember 26, 2023
Why don’t you just use GPS with 2 cm accuracy which is achievable with RTKLib?
Maria on Low power magnetic hold and release mechanismAugust 25, 2023
From where i can read out more about it. Do you have any suggestive readings?
Mikhail Grushinskiy on OpenWave – take 2May 28, 2023
You would also need fast Fourier transform to find out waves frequently to use it as reference point to give…
Mikhail Grushinskiy on OpenWave – take 2May 28, 2023
You would need wind sensor real-time data. You would need to tilt compensate wind data from real time IMU data.…