Barometric (Altitude Dependant)
Initiation Device; Engineered for Artillery
Sunday - Look into some of the available Barometric Pressure Sensors
Review Supporting Libraries and sample code for each
Scrutinize Datasheets - less precise might be better.
Design a board for an ATtiny85
Establish a Testing Methodology
Monday - Supplier Holiday
Tuesday - 12:15am - DPS310 Ordered
Tuesday - 12:15am - DPS310 Ordered
Wednesday 9:16 - DPS310 working
Libraries won't compile for an ATtiny85; redesign for a NANO
The decision portion of the code.
Wednesday 9:59 - NANO and DPS310 don't draw enough power
75mA at boot
25mA running
30mA active
25mA running
30mA active
Wednesday 10:02 - Stand Alone
A NANO has a built in 5V and 3.3V regulator
It will run on Used Smoke Detector batteries
It will run on Used Smoke Detector batteries
Thursday 12:16am
Too late to trim the board
Thursday
Yes, it's Tinkercad.
Thursday 9:58 - Hardware and Software Change
Variable sensitivity mode on boot.
Thursday 10:37
Trimmed the board while waiting on The Robot to print
Friday 12:17am
Thank you Robot.
Thursday 12:37am
Calibration board finished
Different colour headers on the sensors.
Different colour headers on the sensors.
Finished very early Friday Morning
Delivered Friday Evening.