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58 Results for "Reverse Engineering Blood Glucose Monitors"

  • Analysing the code

  • As we've established in prior tutorials, every program written with the ESP SDK needs to have a function called user_init(). This function is called by the SDK once it has finished the boot process. Much of the code in our example revolves around getting...
  • Mechanicals

  • In previous projects we spent a lot of time designing and building the mechanical systems and we really wanted to short cut all the hard work by using a ready made system that could be bought reasonably cheaply 'off the shelf'. We looked at mobility...
  • analog2pi

  • Build it like this. Orange and purple are inputs, black is ground.CALIBRATIONNOTE: These instructions are for a character device kernel module. I will re-write them when I finish a proper sound device kernel module. They're also horribly confusing -...
  • ps2pi

  • BUILDING ITYou'll need a mini DIN 6-pin socket to connect to the keyboard. It can be scrounged from an old keyboard adapter, or you can eliminate it altogether by cutting the connector off the keyboard cable and wiring it directly to the interface. Refer...
  • pi2meter

  • FINDING THE RESISTOR VALUESolder a 10K resistor to the Zero's header connector hole at pin 12, and connect the other end to the meter plus terminal. The meter minus terminal is connected to pin 14. To test it type the following: sudo gpio -g mode 18...
  • Switch on your soldering iron, it's time to...

  • All the parts (except screws, some SMD parts, wires)R3: 33kR1, R2, R4, R5: 10k U1: xc6206p332mrC1: 1uFU2: ESP-12F Push down the plastic part on the 2.54mm 1 x 8 pin header to not stick out from the back side of the PCB. J5: GY-521 Pay extra attention...
  • Parts Details

  • Raspberry Pi B+: The Raspberry Pi 3 Model B+ is the final revision in the Raspberry Pi 3 range. Broadcom BCM2837B0, Cortex-A53 (ARMv8) 64-bit SoC @ 1.4GHz1GB LPDDR2 SDRAM2.4GHz and 5GHz IEEE 802.11.b/g/n/ac wireless LAN, Bluetooth 4.2, BLEGigabit Ethernet...
  • Code Explanation

  • setup(): This function is called once when the Arduino starts.It sets up the pin modes for the "Next" and "Previous" buttons, initializes serial communication, and attaches interrupt service routines to these buttons.It initializes the DFPlayer module,...
  • Battery Tutorial for SG circuit

  • Greetings fellow Enthusiasts Let me introduce myself. I'm Bones MacGyver. I like to make sparks.I'm going to do my best to help out the community with their battery woes.By no means am I a battery expert. But I have used and abused MANY Ni-Cd cells (and...
  • Finish the mechanical build.

  • Insert five additional wires through the grommet on the top cover of the box. I cut over-sized wires so I can cut them to size later. The colors do not matter, but I like to have one red wire for the positive connection. On the top cover of the Raspberry...