System's Engineering 2019

Hey, Some extra safety measures in our work shop are our first aid box which can provide basic first aid to fix minor cuts and abrasions, we have a evacuation plan in case of any emergency and also an emergency shut off switch on either wall of the workshop to isolate the power-points in case an incident has occurred or the system needs to be shut down to prevent further injury or machine damage. Thanks for reading, Perry

Hi guys, Just touching base as I haven't shared an update in a while. SO! I have used the SIM5320 and have had some issues with it. I have consulted so MANY online sources and used plenty of different codes to try and work it. I have been able to run some basic AT commands that allow me to try and send a text/ make a phone call. But I found out that my sim card (Hologram) is only registered for data/ roaming. So that allowed me to turn on GPRS not GPS, I have tested this by using the tracking software given by SIMCOM and I was able to get a fixed reading to a satellite. Thanks for reading and I hope to be checking in more often as I am coming to the end of my project :( :)

Hi again and welcome back to my blog, It has come time to begin diagnostic testing my project and evaluation its efficiency. To start I am testing out how much energy is consumed per opening of the RFID solenoid lock. To do this I connected a multi-meter in series (ammeter) and one in parallel (voltage), by multiplying these two values I can determine the power then multiply that by the time the solenoid is open for (4 secs or delay(400)) and that gives me the total energy (joules). By calculating that the system draws a current of 0.5848 ohms and 3.384 Volts. The energy used is a total of 7.9159 Joules per opening. I have 3x 18650 cells with each having 2.5 Amp hours and 3.7 Volts each so a total of 9.25 Watt Hours to get that to seconds we multiply it by 3,600 we determine the joules to be 33,300 for each cell (a total of 99,900 Joules for the 3 cells). Now if we divide 99,900 joules total energy by the amount of joules used each turn (7.9159J) we can find how many times it can be