diy – wattnotions

Tenma 72-7735 DMM: Serial interface with Python

Shane Ormonde8 years ago8 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 Ormonde8 years ago8 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…

Mikhail Grushinskiy on OpenWave : Development of an Open-Source and Low-cost wave sensorMarch 6, 2023
I’ve wrote something similar: Estimating wave height from IMU accelerometer on a moving boat https://bareboat-necessities.github.io/my-bareboat/bareboat-math.html code: https://github.com/bareboat-necessities/wave_height_from_IMU
Artsy on Laser cut carboard planetary gearJanuary 30, 2023
I absolutely love this! Thank you for making this video and sharing your file. I will be making projects with…
Raffi on Matchbox Car v2 (fail)December 11, 2022
You could just resolder another ATtiny? Cool Blog, thanks for putting your stuff out there!
irfan on atmega16u2 virtual serial example using LUFA LibraryMay 28, 2021
this device is used for what
wattnotions on OpenWave : Development of an Open-Source and Low-cost wave sensorFebruary 28, 2021
Hi Alex, Once I had the vertical acceleration to displacement script working, I could use it on any set of…